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    2,000 java api tutorial jobs found
    Urgent React Native Bug Fixes
    6 days left
    Verified

    ...React Native app that needs a quick round of fixes affecting both Android and iOS. The most pressing problems are: • Login screen fails to redirect after successful authentication. • Intermittent crash on Android when users move between screens. • UI does not refresh in real-time after an API call, pointing to a state update issue (Context API). • Small layout shift on the profile screen. The codebase runs on the latest public Expo SDK and uses React Navigation, Axios for API calls, and the Context API for global state. Everything is pushed to a private Git repository and can be shared as soon as we start. What I need from you 1. Diagnose each bug quickly, explain the root cause, and push clean, well-commented fixes. 2. Verify...

    $235 Average bid
    $235 Avg Bid
    99 bids
    Enhance Selenium Tests
    23 hours left
    Verified

    I'm seeking an experienced developer to improve my existing front-end tests using Java, Selenium, and Cucumber. Key tasks include: - Analyzing current test suite - Identifying and resolving inefficiencies - Enhancing test coverage and reliability Ideal skills and experience: - Proficiency in Java, Selenium, and Cucumber - Strong background in front-end testing - Experience with test optimization and debugging Looking for someone detail-oriented, with a strong problem-solving mindset.

    $189 Average bid
    Urgent
    $189 Avg Bid
    51 bids

    ...Back end • .NET 6/7 API endpoints that the React front end can consume • Clean separation of concerns, dependency injection, and unit tests Data layer • MySQL schema creation and optimisation • Secure queries or stored procedures, parametrised to prevent SQL injection Node.js familiarity is a bonus because I may introduce a lightweight real-time notification service later in the roadmap. Deliverables 1. Source code for React front end, .NET APIs, and MySQL scripts 2. A short README with setup, build, and deployment steps 3. Passing unit / integration tests for critical flows 4. A deployed demo on any cloud or staging server for review Acceptance criteria • Every UI element matches the Figma design within a 2-pixel tolerance on common...

    $27 / hr Average bid
    $27 / hr Avg Bid
    191 bids

    Job Description:
 We’re looking for a skilled and detail-oriented QA tester based in South Africa to help us test the API functionality of our payin and payout systems. You will play a key role in validating the reliability and accuracy of our payment processes, ensuring everything runs smoothly from start to finish. Scope of Work: * Conduct end-to-end testing of API-based payin and payout transactions * Monitor and record the full transaction process, including responses and behavior at each stage * Identify and report bugs or unexpected results with clear documentation * Work closely with developers to replicate issues and verify fixes * Offer suggestions to improve testing coverage and process reliability Requirements: * Must be physically located in South Africa ...

    $21 Average bid
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    11 bids

    ...reliability, with clean separation between frontend, backend, and data layers. I am looking for a full-stack developer (or small team) to build this end-to-end product. Responsibilities include: * Translating business requirements into a scalable system design and architecture * Building a modern, responsive frontend (preferably React or ) * Developing backend services and APIs (Node.js or Java preferred) * Designing and implementing the database schema (PostgreSQL or equivalent) * Implementing task workflow logic, role-based dashboards, and admin controls * Integrating payment systems (e.g., Stripe or similar) * Setting up cloud infrastructure and deployment (AWS, GCP, or equivalent) * Ensuring security best practices and performance optimization Nice-to-have experience inclu...

    $1080 Average bid
    $1080 Avg Bid
    60 bids

    I have raw footage for an educational tutorial aimed at adult learners and I need it shaped into a clear, engaging final cut. Your task is to trim unnecessary parts, add concise on-screen text or graphics where a concept needs emphasis, balance the audio, colour-correct the footage, and deliver a ready-to-publish file in HD (MP4 or MOV). The style should be straightforward and professional—think clean transitions, readable lower-thirds, and a pace that holds an adult audience’s attention without feeling rushed. If you prefer Adobe Premiere Pro, Final Cut, or DaVinci Resolve, that works for me; just let me know which you’ll use so I can provide any project files you might need. Deliverables • One polished tutorial video (final export + project file) &b...

    $13 Average bid
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    10 bids

    ...polished in React while communicating seamlessly with an existing Java-based REST API. The goal is a fast, responsive, component-driven front end that speaks the same language as the Java services behind it, so a solid grasp of both React (hooks, context, modern tooling) and core Java concepts is essential. Scope of work • Set up the project scaffold (Create React App or Vite, ESLint, Prettier, Jest). • Implement authentication against the provided Java endpoints, handling token storage and refresh. • Develop a reusable component library and page layouts that match supplied Figma designs. • Integrate REST calls for dashboard widgets, handle loading/error states gracefully, and ensure state management via Redux or Context ...

    $359 Average bid
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    84 bids
    API work -- 3
    9 days left

    Would do the work as discussed with the client

    $42 Average bid
    $42 Avg Bid
    1 bids
    API work -- 2
    9 days left

    Would do the work as discussed with the client

    $46 Average bid
    $46 Avg Bid
    1 bids
    API work
    9 days left

    Would do work as discussed with client

    $49 Average bid
    $49 Avg Bid
    1 bids
    Mobile app development
    6 days left
    Verified

    Hi i want mobile app both android and iOS App functions we have API,SDK s of brands gift cards selling we need to integrate it and give starch card to every successful order and they get our own coins in app in their app wallet Can put cash to account or digital gold buying option with that coins We also provide api for this digital gold We prefer telugu team for better understanding Thank you

    $457 Average bid
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    56 bids

    The task is to build a complete Android utility-style mobile app, taking it from initial architecture through to a polished Google Play–ready release. I need one person who can comfortably handle both the client side (Kotlin / Java, Jetpack components, adaptive UI) and the server side—API design, database schema, and cloud deployment—so every layer meshes smoothly. Core expectations • Clean, modern Android codebase with clear separation of concerns • Secure backend (Node.js, Django or similar is fine) exposed through REST/GraphQL endpoints • Basic authentication, settings storage and offline data caching typical of a productivity or tool-oriented app • Unit tests plus concise build & deploy documentation Deliverables 1. Fu...

    $122 Average bid
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    29 bids

    My Android application is already live, but a lingering bug keeps mis-displaying the user’s Name and Referral No. I need an experienced Android developer who can dive into the existing codebase, trace the root cause, and push a clean, well-documented fix to Git (or your preferred VCS). Scope of work • Review the current Kotlin/Java code (the project uses standard Android Studio tooling). • Identify why the Name and Referral No. are not updating or showing correctly. • Implement a solid fix, test it across the latest Android OS versions, and supply an APK or bundle for verification. • Leave concise inline comments so future maintenance is straightforward. Deliverables 1. Updated source code with the bug resolved. 2. A brief change-log summarising what was ...

    $637 Average bid
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    139 bids

    I already have the core footage recorded; what I need now is your editing expertise to reshape it into a polished, lecture-style educational tutorial that will be used for staff training. The raw video is complete in terms of content, but it still feels like “raw footage.” Your job is to turn it into a seamless learning experience: tighten the pacing, remove stumbles or dead air, add clear section headers and lower-thirds, smooth the audio, and insert any light graphics or screen captures that reinforce key teaching points. The final product should flow like a lecturer walking learners through concepts step by step—clean cuts, consistent audio levels, simple transitions, and an unobtrusive intro/outro. Please deliver the mastered MP4 (1080p) plus the editable pr...

    $22 Average bid
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    8 bids

    I run a WhatsApp-based clothing business where I receive 300–1000 customer messages daily. I want to build a fully automated WhatsApp sales system using WhatsApp Business API, AI chatbot, and CRM automation. The system should do the following: 1. Automatically reply to customer messages in natural language (like a sales assistant). 2. Show product categories, prices, and images based on customer queries. 3. Handle common questions like price, size, availability, and delivery automatically. 4. Use AI (ChatGPT/OpenAI integration) to understand free-text customer messages and respond intelligently. 5. Collect customer details (name, address, order info) and store them in a CRM (Google Sheets or Airtable). 6. Automatically identify “hot leads” and transfer them to hu...

    $339 Average bid
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    48 bids

    ...self-contained engine that reliably boosts my Twitter presence through a controlled mix of real users and well-managed bot accounts. The goal is to lift raw follower count while also driving up engagement rate and daily profile visits so the growth looks organic and reinforces itself over time. Here is the flow I have in mind. A back-end script (Python, Node, or similar) interfaces with the Twitter API and supporting services, rotates proxies to avoid rate limits, and schedules follow/like/retweet actions that attract genuine users. Parallel to that, a smaller pool of custom bot profiles should be created, warmed up, and blended into the campaign to guarantee momentum during quiet periods. I will feed you target keywords, competitor handles, and posting windows; the engine shoul...

    $29 Average bid
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    23 bids

    ...screens feel consistent and modern. • Implement secure token-based authentication and persist sessions locally without compromising user privacy. • Ship the full, well-documented Kotlin/Java source, a signed release APK, and a short README explaining build and deployment steps. This is primarily an E-commerce app, so flawless product browsing, smooth cart operations, and responsive checkout flow are non-negotiable. I’m comfortable iterating in milestones: product catalogue first, cart and payments next, polishing and optimisation last. I will review the code style, stability on a range of devices (API 24+), and adherence to the above acceptance criteria before marking each milestone complete. If you’re confident with Android Studio, Retrofit/Vol...

    $152 Average bid
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    50 bids

    I need a complete web platform where visitors can sign up with a simple email-and-password flow, browse a catalog...receive the credentials they need to start calling the endpoints. Core flow 1. Registration & login handled through a secure email/password system (no social or 2FA at this stage). 2. Product pages listing each Gaming API with pricing tiers and basic usage docs. 3. Checkout that accepts the leading crypto payment gateways and, upon confirmed payment, automatically provisions an API key. 4. A lightweight user dashboard showing active subscriptions, remaining quota, basic call analytics and a quick “regenerate key” button. 5. Admin area for me to upload new API plans, set prices, view orders, revoke keys and download reports. Poi...

    $400 Average bid
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    8 bids

    I want to turn a fresh idea into a polished desktop application I can sell and use to support my family. I’m starting from the ground up, so I need a developer who can guide me through the full lifecycle—defining a viable concept, choosing the best tech stack, coding, testing, and packaging the final installer. You’re free to work in a language you’re most comfortable with—whether that’s C#, Java, Python, Electron/JavaScript, or something comparable—as long as the result runs smoothly on Windows and can later be adapted for macOS or Linux if sales demand it. Robust error handling, an intuitive UI, and clean, well-commented code are must-haves so I can maintain or expand the product later. Deliverables • A brief proposal outlining tw...

    $376 Average bid
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    14 bids

    Мне требуется автоматизировано выгрузить данные о зарегистрированных компаниях с биржи грузоперевозок через её официальное API (лицензия на доступ будет оплачена) и аккуратно свести их в одну рабочую книгу Excel. Сначала из ATI нужно получить: - наименование компании, - страну регистрации, - статус в системе (перевозчик / грузовладелец / экспедитор), - контакты всех сотрудников (Ф. И. О., телефон, e-mail), - рейтинг надёжности, - количество сотрудников, - корпоративный сайт. Далее, пройдя по каждому корпоративному сайту, в эту же таблицу добавляются: - парк подвижного состава с указанием типа, - профиль перевозимых грузов, - регионы деятельности, - краткое описание деятельности компании. Ключевым для меня остаётся корректное заполнение имени и контакт...

    $29 / hr Average bid
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    57 bids

    ... • Prevent deletion if assigned to employees. • Changes must sync with attendance, payroll, and reports. 3. Attendance Management • Company calendar with 12 annual festive holidays. • Daily check-in / check-out system. • Auto calculation of total working hours. • Attendance status: Present, Absent, Late, Half Day, Leave. • Manual editing by HR/Admin. • Biometric integration (CSV/Excel upload or API integration). • Monthly attendance reports (employee & department wise). 4. Leave Management • Leave types (Casual, Sick, Paid, etc.). • Leave application & approval workflow (single & multi-level). • Leave balance auto deduction & restoration. • Monthly and department-wise leave reports. 5. Payroll Manage...

    $20 Average bid
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    16 bids

    We’re looking for a Finland-based freelance developer! Looking for someone experienced in Java and comfortable working with AWS cloud environments to help us maintain and improve our systems. What we need: Strong Java development skills Hands-on experience with AWS (deployment, monitoring, maintenance) Ability to troubleshoot, optimize, and keep systems running smoothly Good communication and ability to work independently Nice to have: Experience with cloud architecture and scalability Familiarity with CI/CD pipelines This is a freelance/contract role with flexible hours. If you’re interested or know someone who might be a great fit, feel free to reach out!

    $41 / hr Average bid
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    102 bids

    Project Description: This is a fast execution project. I need someone who has already done WhatsApp API + CRM integration before. No experimentation. No learning on the job. I need an experienced freelancer to set up a basic WhatsApp Business API system integrated with Zoho CRM for lead generation and client communication. This is a simple, no-overengineering setup — No chatbot, no complex automation, no custom backend. Scope of Work: WhatsApp Setup: • Setup WhatsApp Business API using Interakt (preferred) or WATI • Assist with Meta Business verification/setup (if required) • Create & get approval for 1–2 WhatsApp message templates • Setup shared inbox for handling incoming replies Zoho CRM Setup: • Integrate WhatsApp lead...

    $115 Average bid
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    21 bids

    ...maintainable, and scalable code. Required Skills Strong experience in mobile app development (Android / iOS). Proven experience building real-time messaging systems. Strong understanding of scalable architecture and performance optimization. Experience implementing pixel-perfect UI/UX designs. Familiarity with AI-assisted coding tools (e.g., GitHub Copilot, ChatGPT, Cursor, etc.). Good knowledge of API integrations and backend communication. Preferred Experience Experience working on chat, social, or super apps. Experience building apps that have scaled to large user bases. Experience with WebRTC, socket-based messaging, or real-time communication frameworks. Prior work on consumer-facing mobile apps. Contract Details Duration: 1 months Engagement: Full-time / Dedicated Start:...

    $1699 Average bid
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    65 bids

    ...maintainable, and scalable code. Required Skills Strong experience in mobile app development (Android / iOS). Proven experience building real-time messaging systems. Strong understanding of scalable architecture and performance optimization. Experience implementing pixel-perfect UI/UX designs. Familiarity with AI-assisted coding tools (e.g., GitHub Copilot, ChatGPT, Cursor, etc.). Good knowledge of API integrations and backend communication. Preferred Experience Experience working on chat, social, or super apps. Experience building apps that have scaled to large user bases. Experience with WebRTC, socket-based messaging, or real-time communication frameworks. Prior work on consumer-facing mobile apps. Contract Details Duration: 1 months Engagement: Full-time / Dedicated Start:...

    $1683 Average bid
    $1683 Avg Bid
    59 bids

    ...Listings should appear on an interactive Google Maps view so location becomes immediately clear. I also want integrated payment processing for reservation fees or first-month deposits, plus a straightforward rating & review system so both parties build trust after every transaction. Essential deliverables • Complete UI/UX designs (Figma or similar) • Production-ready Android code (Kotlin or Java) with clean architecture and documented APIs • Admin panel or backend endpoints enabling listing moderation, user management, and payment tracking • Play Store-ready APK, signed and aligned • Source code repository with build instructions and a short demo video that walks through search, profile login, chat, map view, payment flow, and review submis...

    $416 Average bid
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    57 bids
    Flutter App Developer Needed
    6 days left
    Verified

    ...tasks and fix the issues which missing on app as per given below points. 1. Module M12 (Stripe Connect): youI will audit the Stripe Connect onboarding for musicians and ensure the 10% platform commission is correctly deducted from the payout intent before funds reach the musician’s bank account. 2. Module M09 (Zoom Integration): you will verify the "Give Zoom Meeting" action to ensure the send-link API is correctly triggering the automated notifications to students upon booking acceptance. 3. M01 Role-Based Auth: you will check the session persistence and role selection (Student/Musician) to ensure no data leaks between the two dashboard environments. 4. Required to add lessions for artist musician. The Booking session group session 1 on 1 session has to be perfe...

    $28 Average bid
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    9 bids

    ...REST or GraphQL endpoints without lag or layout shifts. • Contact and feedback forms – both forms already post to Strapi; the Nuxt version should keep that flow, provide client-side validation, and send success / error messages to the user. Key expectations – Nuxt 4 project scaffolded with TypeScript support and a clear components / composables structure. – Environment variables and Strapi API calls wired through the Nuxt runtime config. – Reusable map component that accepts location data from Strapi and plots pins, clusters, polygons and pop-ups exactly as now. – Two Vue form components (Contact, Feedback) that submit JSON to the relevant Strapi endpoints and display a friendly toast on success. – SSR enabled and a production...

    $226 Average bid
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    170 bids

    I’m building a school IT project that needs to pull basic business details from the Indian GST system. The flow is simple: a user enters a GSTIN, your PHP code hits the official government API, parses the JSON it returns, and then writes those basic details into a local MySQL table. Here’s what I’m expecting from you: • A clean, well-commented PHP script that takes a GSTIN as input, calls the API, handles errors such as invalid IDs or network time-outs, and prevents duplicate inserts. • A MySQL schema (CREATE TABLE) matching the fields the API provides for basic business details—GSTIN, legal name, trade name, registration status, address, last updated date, etc. • A short README explaining how to set up any needed keys, c...

    $31 Average bid
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    25 bids

    ...alguien que combine copywriting persuasivo, automatización de flujos y la potencia conversacional de GPT-4o para lograrlo. Lo que necesito • Guiones de copywriting claros y orientados a conversiones que reflejen el tono de mi marca. • Diseño del flujo conversacional (bienvenida, preguntas frecuentes, objeciones, cierre) optimizado para respuestas automáticas. • Integración de GPT-4o con la API oficial de WhatsApp Business, Twilio o la solución que recomiendes, garantizando latencia baja y respuestas naturales en español. • Etiquetado y reglas básicas que califiquen leads y deriven conversaciones especiales a un humano cuando sea necesario. • Pruebas end-to-end, ajustes finos y breve guía de ...

    $14 Average bid
    Guaranteed
    $14
    11 entries

    I’m Erwin, 34, and I want to bring my idea to life as a native Android app. Right now the concept is open, so I’ll lean o...feature set and interface while keeping the build clean, fast, and future-proof. What I need • Collaborate with me to refine the core idea and user flow. • Design a simple, modern UI that follows Google Material Design guidelines. • Develop the full Android application, including any required API calls or local data storage. • Deliver the complete, well-documented source code and a release-ready APK. Please include • Links to Android apps you’ve developed. • Your preferred tech stack (Kotlin, Java, Flutter, etc.). • Estimated timeline and any questions you need answered before starting. I&...

    $27 / hr Average bid
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    123 bids

    ...performance * Document workflows and system architecture for internal use Required Skills & Experience: * Proven experience with GoHighLevel (GHL) automation and CRM systems * Hands-on experience with VAPI (or similar AI voice platforms) * Strong background in prompt engineering for conversational AI * Experience building AI voice agents that sound natural and handle real-world scenarios * Knowledge of API integrations, webhooks, and automation logic * Experience with chatbot development for SMS and web chat * Ability to map out and implement complex conversational flows Preferred Qualifications: * Experience working with agencies or lead generation systems * Familiarity with sales processes (especially appointment setting) * Understanding of insurance or local service busi...

    $683 Average bid
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    142 bids

    I want to showcase a new, developer-centric API testing platform through a small series of videos— I’ll provide: • Full demo to the tool and what ever information you need. Bonus if you have: Experience with developer tools (Postman, Insomnia, Hoppscotch, etc.) Audience interested in backend, APIs, or web development If the videos perform well, there’s strong potential for long-term collaboration and more projects. Looking forward to working with a passionate tech creator!

    $17 Average bid
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    PROJECT OVERVIEW I am building a supplier-readiness SaaS platform (DHML IQ) using: - Frontend: WeWeb (partially complete) - Backend: Xano (database + APIs already structured) This project is NOT for designing a system. This is a strict execution role. You will implement features based on fully defined specifications, API contracts, and UI expectations that I will provide. IMPORTANT: ROLE EXPECTATION This is not a product design or architecture role. You are responsible for: - implementing UI in WeWeb - connecting to Xano APIs - ensuring data flows correctly You are NOT responsible for: - defining logic - designing system behavior - making assumptions about functionality STOP and ask if anything is unclear; do not infer. CURRENT STATE - WeWeb frontend is partially built - Xano ...

    $687 Average bid
    NDA
    $687 Avg Bid
    78 bids

    I’m building a d...library—accuracy must stay above 95 % in normal lighting. • Simple enrolment screen so customers can capture or upload a reference photo when they schedule the appointment. • Secure local storage or encrypted API calls for facial templates; privacy compliance is a must. • Event hooks so our existing customer-service software can receive check-in status, start a VoIP or chat session, and log the visit. • Clear build instructions and a short test suite that proves identity match, mismatch, and spoofing attempt handling. I’ll be ready to supply UI wireframes, sample data, and API endpoints the moment we kick off. Let me know which facial-recognition stack you prefer and any licensing constraints so we can keep the...

    $838 Average bid
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    146 bids

    ...practical way to spin up a brand-new WhatsApp group that I own and silently populate it with every member of another group where I am only a participant. What I lack is the workflow or tool that can take those numbers and place each person into my new group automatically—no manual invites, no forwarding links one by one. Ideally the solution relies on a small script, macro, or API-based workaround (WhatsApp Business API, Selenium, or another proven method) that: • Creates or lets me create a fresh group where I’m the sole admin • Adds the full contact list in one action, or as close to one action as WhatsApp will allow • Provides clear setup instructions so I can repeat the process later without developer assistance Please advise on any te...

    $38 Average bid
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    32 bids

    ...must support traditional email-and-password sign-up, popular social log-ins (LinkedIn, Google, Facebook, etc.), plus enterprise-grade single sign-on using SAML or OIDC so larger clients can connect their identity providers without friction. Beyond the public-facing features, I need an administrative console to moderate listings, manage user roles, and pull basic analytics. A clean REST or GraphQL API that mirrors all major functions will keep future mobile or partner integrations simple. Please plan to deliver: • Interactive wireframes or mock-ups for the main flows • Normalized database schema and ERD • Fully implemented authentication/authorization layer • Source code in a Git repository with clear setup instructions • Deployment scripts or Do...

    $1034 Average bid
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    181 bids

    ...you’ll handle data fetching, API orchestration, and integration workflows that keep the storefront running smoothly. A big part of the role involves integrating third-party services—things like CMS platforms, search tools, subscriptions, and personalization systems—so experience wiring together multiple systems is important. You’ll also spend time optimizing performance across the stack (client, server, and edge), improving Core Web Vitals, and making sure everything is accessible, SEO-friendly, and stable across browsers. What you’re expected to bring You should have strong full stack experience, especially with React and server-side JavaScript or TypeScript. Prior work with headless Shopify setups is important, particularly using Hydrogen and t...

    $20 / hr Average bid
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    166 bids

    I need every official MSC Adams training tutorial—basic, intermediate, and advanced—translated step-by-step into AVL Excite so the simulations match the original Adams results one-for-one. Scope of work • Work through all published Adams tutorials (those bundled with the software, plus any found on YouTube or the MSC site). • Re-build each exercise in AVL Excite, verifying that plots, animations, forces, and convergence behave the same as in Adams. • Document each recreated tutorial in a PowerPoint deck that uses standard slides with text only (no call-outs, annotations, or voiceover inside the deck). • For every tutorial, record a screen-capture video of the Excite workflow. The video must feature on-screen text annotations that exp...

    $187 Average bid
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    5 bids

    ...Progress graph Daily check-in button Motivation message Similar to Quittr dashboard where users track streaks and progress visually 3. Habit / Streak Tracking System Daily check-in (Yes / No) Streak counter (auto reset if failed) History tracking Analytics (weekly / monthly) 4. AI Chat / Support System Simple AI chatbot (like therapist / coach) User can chat anytime Pre-trained responses OR API integration (OpenAI etc.) Quittr also uses AI support for guidance 5. Content Blocking Feature Block specific websites/apps (optional advanced feature) Basic version: allow user to list “triggers” Advanced version: system-level blocking (if possible) Quittr uses blocker to avoid triggers 6. Learning / Content Section Articles / lessons (admin controlled) Categories ...

    $887 Average bid
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    241 bids

    I want to use WhatsApp Business purely for marketing campaigns that deliver personalised product recommendati... and schedule broadcasts without violating daily limits. I also want basic tracking in place—open rate, click-through to product pages, and resulting purchases—so that performance can be measured and iterated. Deliverables: • Campaign strategy and segmentation plan • Approved message templates for product recommendations • Automation workflow configured inside WhatsApp Business (or via the API) • Step-by-step launch checklist and test run report • Simple performance dashboard or exportable report template The work is complete when a live test shows messages reaching the correct audience segment with the correct products, and m...

    $14 Average bid
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    6 bids

    ...front end, so you’ll need to be comfortable diving straight into that codebase. What I need next: • Crypto payment processing that works seamlessly with Bitcoin and Ethereum from day one, and is architected so we can plug in additional coins without a full rewrite. • A secure user-authentication flow using standard email-and-password login backed by robust Two-Factor Authentication. • Solid API integration work—some endpoints are already documented, others will need to be explored together—so the site can talk to external services in real time. Key expectations • Clean, well-documented PHP (Laravel experience is a plus but not mandatory). • Modern JavaScript practices for any front-facing logic you touch. • Security-fi...

    $233 Average bid
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    37 bids

    I am developing a Java-based billing system and my immediate need is rock-solid payment processing. Your task is twofold: first, build the core payment module in clean, well-structured Java; second, document the work in a clear, professional report. Scope of the build The application is centred on secure, reliable payment handling—think card transactions, error recovery, and accurate balance updates. While payment processing is the top priority, a design that leaves room for future add-ons such as invoice generation or basic customer records would be ideal. I will supply detailed specs, UI sketches, and any gateway credentials once we get started. Report requirements Alongside the code, I need a concise technical report that explains the overall architecture, key clas...

    $194 Average bid
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    45 bids

    I need my existing chat application’s REST API connected to Zapier so every new conversation, message, and customer detail can flow straight into Salesforce in real time. The chat platform already exposes webhooks for events such as “conversation started”, “message sent”, and “conversation closed”. Your job is to build a Zapier app or a series of Zaps that: • Receive those webhook payloads • Map the data to the correct Salesforce objects (lead, contact, case, or custom objects we agree on) • Push updates back to the chat API when status changes in Salesforce (e.g., case closed) The chat API is fully documented and uses standard JSON over HTTPS with token-based authentication. I have Zapier and Salesforce ...

    $1464 Average bid
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    147 bids

    I am looking for a full time AI engineer we are focused on streamlining government services through automation. We work with various government portals and o...platform, and we’re integrating it with our CRM so we can manage citizen interactions and government workflows in one place. We’re looking for a full-time Automation Engineer to join us and own this integration. You’ll be responsible for automating our government portal processes end-to-end, building APIs to connect SkyVerm with our CRM, and handling all the automation workflows we need. You need solid API integration experience, familiarity with automation platforms, understanding of government systems, and ideally CRM background. You’ll be detail-oriented, work independently, and communicate clearly ...

    $757 Average bid
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    164 bids
    Custom SMM Panel Development
    6 days left
    Verified

    Please send a proposal only if you actually know what an SMM Panel is, otherwise, don't sned. I want to launch a fully-featured social media marketing pane...flexible access-control system where I can define custom roles beyond the standard Admin / Manager / User tiers. • Integrated payments (credit card and PayPal at minimum) with secure handling of transactions, balance updates, and automatic order crediting. • Real-time order tracking that pulls status updates from supplier APIs and shows clear progress indicators on the dashboard. Clean code, API-ready architecture, and a concise setup guide are essential acceptance criteria. If you have prior SMM panel or SaaS experience and can suggest a modern tech stack that scales smoothly, I’m ready to review yo...

    $177 Average bid
    $177 Avg Bid
    39 bids

    ...instantly checks—through an external flight-status API—whether the flight was delayed or cancelled. If the API response confirms a disruption, the user is guided to a short claim form; if the flight landed on time, the app simply returns a polite apology screen and ends the journey. Because I want the experience to feel friction-free, there is no sign-up or login of any kind in this time (maybe later) Scope of work • Build a single code-base targeting both iOS and Android. • Implement right-to-left layout and full Arabic localisation. • Integrate the flight-status REST API (I will supply keys and docs). • Design a modern, sleek interface: clean typography, minimalist colour palette, smooth transitions. • Handle edge ...

    $323 Average bid
    $323 Avg Bid
    155 bids

    ...OUTPUT: Excel spreadsheet — best publicly available price per item, source, savings per unit, total savings. Sorted by savings descending. A separate background file captures URLs and quantity-condition detail not included in the primary report. TECH STACK: I’m open to your recommendation. Many supplier sites use JavaScript-rendered pricing, so the solution must handle fully rendered pages. Claude API (Anthropic) is preferred as the AI reasoning engine for product matching and description parsing. Local execution on macOS. IMPORTANT — ARCHITECTURE AND FUTURE STAGES: This is Stage 1 of a deliberately phased 4-stage system. Stage 1 is the only contracted deliverable, but the developer must understand and design for the full roadmap so that foundational decisions m...

    $3350 Average bid
    $3350 Avg Bid
    84 bids

    ...waiting below, and—within a fraction of a second—decides whether it’s safe to drop the parcel. Here’s what the system must do: • Detect and recognise faces in real time from a moving drone, outdoors, in daylight or at night. • Run on a light edge device carried by the drone (Jetson Xavier NX or similar) or stream efficiently to a ground server if you have a smarter approach. • Expose a clean API that returns the recognised ID, confidence score, and a yes/no flag my flight-control software can act on. • Allow me to enrol new authorised faces quickly—either by uploading images or shooting a short video clip. Deliverables 1. Trained model (TensorFlow, PyTorch, or ONNX) with all weights and source code. 2. Companion-computer...

    $5865 Average bid
    $5865 Avg Bid
    40 bids