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    1,500 classifiers data mining java code jobs found

    I need a developer who can put together a simple, static website in Java for my new packaged drinking-water venture. The visual direction is already set: a classic, elegant look that reflects purity and trust. All logo files and brand assets are in hand, so you can jump straight into layout and coding without waiting on design collateral. Scope of pages • Home • About Us • Product • Contact Us • Query Form (basic enquiry capture) The site will be hosted in the cloud, and I’d like the hosting plan and domain secured for the first 12 months as part of the job. Clean, well-commented code is important because I may expand the site later. Deliverables 1. Fully functional static Java website with the five pages above 2. Deploym...

    $81 Average bid
    $81 Avg Bid
    38 bids

    I need an experienced engineer who has already worked inside Oracle Agile PLM (E6) to pull out Product data and Document data cleanly and reliably so that I can load it into Siemens Teamcenter. The engagement is entirely about safeguarding data integrity—I am willing to trade speed for absolute correctness. The work involves: • Understanding the E6 database schema, metadata tables, and file vault structure • Writing repeatable PL/SQL / SQL Plus queries or custom Java-based utilities that can scale to the full production volume • Exporting BOMs, items, revisions, attributes, attachments, and related files in a format Teamcenter import tools will accept (XML, CSV, JT, bulk-load packages, etc.) • Logging, error handling, and recon...

    $9 / hr Average bid
    $9 / hr Avg Bid
    5 bids

    ...step in, review the as-built drawings and on-site installations, and issue a formal approval letter (with stamp/seal) confirming full compliance with the 2024 International Residential Code. Scope • Examine the completed MEP and structural systems against the 2024 IRC. • Flag any non-conformities and outline corrective actions, if required. • Once everything satisfies the code, provide signed and sealed documentation acceptable to my local building department (digital + hard copy if requested). What you should bring When you respond, include examples of past work where you have performed similar code reviews and approvals. Demonstrating successful sign-offs for residential projects under recent IRC editions will strengthen your proposal. ...

    $199 Average bid
    $199 Avg Bid
    2 bids
    Trophy icon QR Code Activites fetching
    2 days left

    I already have the CR QR code for my business and now I want it turned into a clean, single-page document. The page must reproduce every detail—fonts, images, spacing—exactly the same in three separate files: PDF, DOC, and HTML. All content, including the full company profile, needs to sit on that one page; please don’t push anything into a side menu or secondary section. The look and feel should remain consistent across the three formats so someone opening any version sees identical typography, graphics, and layout. Deliverables • A print-ready PDF • A fully editable Word document (DOC) • A standards-compliant HTML file with embedded styles/images Send the finished files along with any source assets you create so I can update them later...

    $10 Average bid
    Guaranteed
    $10
    16 entries
    I want code
    6 days left
    Verified

    ...The hardware design is locked, so the code must make full and reliable use of every on-chip peripheral we have allocated. Core requirements • Communication stacks must be solid and non-blocking for: – CAN (Controller Area Network) – UART – SPI • All timing-critical routines must meet the real-time constraints spelled out in my spec sheet. • The finished code should compile cleanly in Code Composer Studio using TI’s C28x compiler and be ready for flash programming through the standard TI on Code Composer Studio ,Ghidra ,Hex Workshop,TI Hex Utility Deliverables 1. Well-commented source code, organised by module. 2. Compiled binaries and accompanying linker files. 3. A brief test report showing that each protocol ...

    $89 Average bid
    $89 Avg Bid
    6 bids

    Project Title: Virtual Assistant for Internship Application Data Entry (CompE, SWE, ML, Data Science) Budget: $150 USD / Month Target Goal: 200 Applications / Month Hours: 3-5/week Project Description: I am a university student seeking a reliable, detail-oriented Virtual Assistant to help me apply for summer internships and co-ops. My focus is on Computer Engineering, Software Engineering, Data Science, Machine Learning, and Telecommunications. I have all of my application materials perfectly prepared. Your job is strictly administrative: finding matching roles, filtering them for relevance, and completing the data entry for the applications. I estimate each application will take very little time, as you will be copying and pasting from my prepared documents. ...

    $122 Average bid
    $122 Avg Bid
    19 bids

    Overview: I need a system for managing dynamic URLs used with NFC and QR code products. Each item will have a unique short URL that can be updated after creation and must track usage (scans/taps). Core Requirements: Dynamic URL System Generate unique short URLs (e.g. {code}) Each URL redirects to a destination URL Destination must be editable at any time Must log each scan/tap event (timestamp minimum) Must support 1,000+ URLs initially and scale to 100,000+ Admin Tools Bulk generate URLs (1,000+ at a time) Export CSV of URLs (for external use) Assign URLs/items to users Customer Dashboard (Simple MVP) User login (email/password or magic link) Each user sees only their assigned items Dashboard must include: List of items Per item: total scans/taps last activity current

    $136 Average bid
    $136 Avg Bid
    211 bids

    ...looking for an experienced developer who can help recover or reconstruct the source code of a mobile game that is currently published in my Google Play Console. Unfortunately, I no longer have access to the original editable source files. My understanding is that it may be possible to reverse engineer the published APK or app bundle from Google Play into a readable codebase (likely C++ or another compiled format), and then rebuild it into a usable project that can be edited again. The goal of this project is to: Extract or reconstruct the existing app’s code from the Google Play version Convert it into an editable development project (Android Studio or similar) Fix any issues within the recovered code Rebuild the app as a new updated version Replace ass...

    $127 Average bid
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    78 bids

    I urgently need an experienced mobile app developer to resolve a persistent OTP issue in my application, where the system always sends the phone number with country code (+92) regardless of the user’s actual selection—for example, if someone chooses Iraq (+964) or Kuwait (+965), the app still defaults to +92. The job requires thoroughly checking and correcting the country code picker and phone input logic, ensuring the chosen country code is passed correctly to the backend or API, fixing the OTP sending process for all countries, and testing with multiple international numbers to guarantee proper functionality on both Android and iPhone (where applicable). I’m looking for someone skilled in OTP integrations (Twilio, Firebase, MSG91, WhatsApp API, etc....

    $79 Average bid
    $79 Avg Bid
    53 bids

    ...out smoothly across both properties. For the Android side, you’ll handle UI design, coding in Kotlin or Java (your call), device-compatibility testing, and deployment to Google Play. On the web side, I need a modern, responsive site that mirrors the app’s core functions and brand style. Feel free to recommend the stack—React, Vue, Laravel, Django, or another framework you’re confident will scale. To keep things clear, here’s what I expect at hand-off: • Production-ready website on my hosting • Signed Android APK live (or ready to publish) in Google Play Console • All source code in a private repository, well documented • Basic admin panel or CMS so I can manage content without touching code If you have experience ...

    $537 Average bid
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    243 bids

    Role Description : MERN Stack Instructor + Java Instructor conducting an internal LDP program for a company Ideal Instructor Requirements for MERN Stack : JavaScript / TypeScript React / Node.js Basics / MongoDB Ideal Instructor Requirements for Java: Java Basics / Spring Boot / JUnit (Testing) REST APIs Coding conventions / best practices Support for workshop / hackathon Compensation: 60k-70k per month Job location : Bangalore (5 days in office ) 5hrs

    $695 Average bid
    $695 Avg Bid
    36 bids

    I’d like a self-contained, Maven-driven demo that shows how a Wildfly 20 Java servlet can talk to three separate mobile authenticators—Microsoft Authenticator, Google Authenticator and Duo Authenticator—and report back the outcome of each challenge. Scope • Focus exclusively on “second-factor” calls: how the servlet initiates a push / TOTP / Duo prompt (the “sending signal” part) and how it parses the success, timeout or failure response that comes back (“receiving results”). • No UI polish is necessary; a simple JSP or REST endpoint that prints JSON or plain text is fine as long as the code flow is clear. • Keep the sample lean but complete: working source, config files, and any required libraries or...

    $250 - $750
    Sealed
    $250 - $750
    138 bids

    required experienced professionals with strong expertise in VAPT patching and secure infrastructure practices. The ideal candidate will have hands-on experience in cloud environments, automation, and secure application deployment. Required Skills: Azure Terratorm Python Docker Shell Scripting Java GitHub Collaboration Linux-based OS Good to Have (Optional Skills): Packer FastAPI Spring Boot Key Responsibilities: Perform vulnerability assessment and patching (VAPT) Manage and secure cloud infrastructure (Azure) Automate deployments using Terraform and scripting tools Collaborate with development and DevOps teams via GitHub Ensure secure coding and deployment practices Eligibility: Minimum 4+ years of relevant experience in the above skill set Strong problem-solving and communica...

    $2030 Average bid
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    25 bids
    Odoo Code Tester & Guide
    6 days left
    Verified

    ...specified in the README. While testing you will note any unmet dependencies, warnings, or tracebacks, then commit fixes or create merge requests for the team to review. Communication is part of the job: the developers on my side want to understand the exact steps you follow, so after each test cycle you will post concise updates explaining how you pulled, installed, upgraded, or rolled back the code. Basic instructions are enough—think clear terminal commands, key configuration settings, and any gotchas a fresh developer should know. Deliverables • A short daily summary in our Git issues board describing what you tested, results, and next actions • A final “Getting Started” note (max two pages) that lets any team member reproduce your setup from ...

    $10 / hr Average bid
    $10 / hr Avg Bid
    94 bids

    ...need a full-featured public website built entirely with Java. The visual energy and smooth navigation of and capture the style I’m after, so please treat those sites as design and UX benchmarks while still giving my brand its own voice. Core scope • One primary section focused on Product Information, because the site’s main job is to present the services my startup offers. • Each service page must carry two clear elements: a concise service description and transparent pricing information. That content will be ready for you in a document; your task is to integrate it cleanly. Technical expectations • Java stack only—Spring Boot, Jakarta EE, or a JSP/Servlet approach is fine as long as the final code deploys smoothly on my ...

    $86 Average bid
    $86 Avg Bid
    51 bids

    ...immediately so you can dive straight into the code. What I need you to do • Review my bug list, confirm reproducibility, and patch each item. • Build, test and supply release-ready AAB/APK packages for both apps. • Handle versioning, signing with my existing keystore, and complete the Play Console rollout (including the changelog update). Acceptance criteria 1. Every bug on the supplied list is resolved and verified on at least Android 8–14 emulators or devices. 2. Both apps pass Google Play pre-launch report with no new critical issues. 3. Updated versions are live in the same tracks as their current releases. I use Git for source control and will grant access to separate repos for each project. The codebases are in Kotlin with a few Java...

    $76 Average bid
    $76 Avg Bid
    60 bids

    I need a single QR code that will live on my printed materials and, whenever it’s scanned from an Android device, open a specific webpage in the phone’s browser. Stability is everything—the graphic must remain valid for years—so the method you use has to account for possible future moves or updates I might make to the destination without forcing me to reprint the code. You will receive the final URL as soon as we start. From there, please create the code, test it with the usual Android scanning apps, and hand back artwork I can drop straight into flyers, packaging and any other promotional assets. Deliverables • QR code supplied in scalable SVG plus a 300 dpi PNG • Proof it resolves correctly on at least three mainstream...

    $24 Average bid
    $24 Avg Bid
    94 bids

    ...integrations) Drive context extraction from legacy systems (code, DB, flows) Own PR-based workflows for both generated code and configs Set up shadow deployments and parity validation Work with infra/security teams on deployment and approvals Drive observability + feedback loop (logs, metrics, iteration) Must-Have Experience Built and deployed microservices / APIs in production Worked on legacy modernization or refactoring projects Hands-on with CI/CD + cloud (AWS / Azure / GCP) Strong experience with code reviews, branching, PR workflows AI / Modern Dev (Mandatory) You must have real experience using AI in development, not just awareness: Daily use of tools like: GitHub Copilot / Cursor / Claude Code / ChatGPT Experience: Generating production code us...

    $2015 Average bid
    $2015 Avg Bid
    51 bids

    ...tools to generate services, tests, and workflows. This role is about building with AI, not just integrating APIs. What You’ll Do Build AI-assisted pipelines for: Code generation Test generation Context extraction Work with large codebases to create AI-readable context Generate backend services and APIs using AI tools Support parity validation and test automation Contribute to feedback loop (improve outputs via iteration) Must-Have Experience Hands-on with LLMs in real projects (not just POCs) Built something using: LangChain / LlamaIndex / custom pipelines (or equivalent) Experience working with: APIs backend systems structured data AI Tools (Strong Expectation) You should actively use: Claude / ChatGPT / Gemini Cursor / Copilot / AI coding tools Prompt engineering i...

    $1227 Average bid
    $1227 Avg Bid
    54 bids

    I need an experienced developer to integrate the Sharekhan Trade Tiger API. The primary function is accessing 20 years of historical data. Additionally, I need real-time market data for the equity market. Key requirements: - Access to 20 years of historical data - Real-time market data for equities - Proficiency in working with financial APIs - Experience in data handling and integration - Strong programming skills, preferably in Python or Java Please provide examples of previous similar work.

    $76 Average bid
    $76 Avg Bid
    21 bids

    ...Angular and Java. The core of the platform will be written in Java on the server side, exposing RESTful endpoints, while the client side must be a clean, responsive Angular interface that feels fast even when large data sets are moving through it. You should have at least four years of hands-on experience with: • Modern Angular (v10+) components, services and state management • Java (preferably 11+) with Spring Boot or a similar framework for rapid API development • Secure, token-based authentication and role management • Relational databases and basic schema design What I need from you: 1. A modular codebase that cleanly separates concerns so future features are simple to plug in. 2. A working proof-of-concept that allows us to ...

    $12 / hr Average bid
    $12 / hr Avg Bid
    66 bids

    Project Title: Fix OTP Country Code Issue in Mobile App (Wrong Country Code Sent) Project Description: Hello, I need an experienced mobile app developer to fix an OTP issue in my application. Problem: When users select their country and request OTP verification, the app always sends the phone number with country code +91 (India) instead of the country code chosen by the user. Example: If user selects Iraq (+964), Kuwait (+965), or any other country, the app still sends OTP only with +91. What I Need: - Check and fix country code picker / phone input logic - Make sure selected country code is passed correctly to backend/API - Fix OTP sending process for all countries - Test with multiple countries - Ensure app works properly on Android / iPho...

    $130 Average bid
    $130 Avg Bid
    174 bids

    ...different accent colors --- ## TECHNICAL REQUIREMENT * Must use Elementor (no full hardcoding) * Must not rely on default WooCommerce layout * Should be lightweight and fast --- ## IMPORTANT * Do NOT use default theme product page * Build custom template using Elementor Theme Builder * Match design as close as possible to reference --- Note - Theme is installed , Elementor Pro , ACF and WP code plugin installed. Please share similar work before starting....

    $86 Average bid
    $86 Avg Bid
    35 bids

    ...are looking for a highly skilled Java Full Stack Developer with 5+ years of hands-on experience in designing, developing, and deploying scalable applications. The ideal candidate should have strong expertise in Core Java, Spring/Spring Boot, RESTful web services, MySQL, and REACT. Experience with Liferay is added advantage. ⸻ Key Responsibilities • Design, develop, and maintain Java-based backend services and RESTful APIs • Work on full-stack development, including front-end components and integration with backend systems • Develop efficient database queries, procedures, and schemas using MySQL • Collaborate with cross-functional teams to deliver high-quality software solutions • Troubleshoot, optimize, and improve application performance &b...

    $3 / hr Average bid
    $3 / hr Avg Bid
    33 bids

    Code-Shift (Native European Spanish Speakers) Audio Recording (Dual-Channel) Recording Approach We will deliver natural bilingual conversations in a contact-center (agent–customer) format with strict adherence to code-switching requirements. Audio Format * Dual-channel WAV (Agent / Customer separated) * Native 8kHz and 16kHz recordings (50/50 split) * Single recording per conversation with clear channel separation Code-Switching Implementation We support both required patterns: Type 1: Bilingual Agent–Customer Interaction** * Agent: 100% secondary language(English) * Customer: 100% primary (European Spanish) language * ~50% code-switching at conversation level * Natural conversational flow (no forced switching) * Single audio + single transcr...

    $17 / hr Average bid
    $17 / hr Avg Bid
    3 bids

    ...Google-style map view, coupled with dynamic ETA calculations so users always know how many minutes remain until the next stop. Key workflow • Passengers open the app, pick a route, watch buses move on the map, and receive push notifications when their chosen bus is running late or is about to arrive. • Drivers log in to update their status, start or end a trip, and automatically stream location data in the background. • Administrators access an in-app dashboard (or a lightweight web console, if that is easier) to add routes, manage schedules, and monitor fleet performance. Must-have features 1. Live bus tracking on an interactive map with smooth marker animation. 2. Accurate estimated-time-of-arrival alerts based on real-time traffic and current speed. 3...

    $97 Average bid
    $97 Avg Bid
    87 bids

    We need to create webview Mobile app for andorid and ios by this link "" in flutter and app have features app icon, splash screen, Enable Installs Statistics, Enable Java Script, Enable Swipe To Refresh, Load Cache Else Network, Allow HTTP Requests, Add Internet Permission, Add Storage Permissions, Add GPS Permissions, Add Audio Permissions, Add Video Permissions, Enable Firebase setting, Enable Push Notification some more requirement Requirements: • Load a specific URL inside a WebView • Pull-to-refresh support • Error handling (e.g. show a message if no internet connection) • App icon and splash screen (we’ll provide design assets) • Minimal permissions (e.g., allow file/camera upload via browser input type) • Push notifications via fi...

    $82 Average bid
    $82 Avg Bid
    59 bids

    I need a comprehensive online entrance exam software built on Java technology. The software should support multiple-choice questions, essay-type questions, and problem-solving/coding questions. Key Requirements: - User Roles: Students, Examiners/Teachers, Administrators - Features for Exam Creation and Management: - Question Bank: A robust repository of questions - Automated Grading: For efficient evaluation - Timed Exams: To simulate real exam conditions Ideal Skills and Experience: - Proficiency in Java and experience with developing educational software - Knowledge in database management for a question bank - Familiarity with automated grading algorithms - Experience in creating user-friendly interfaces for multiple user roles Looking for a developer who can deliv...

    $2272 Average bid
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    64 bids

    1. Project Overview(Backend Microservices System (SPRING FRAMEWORK ONLY)) We are developing a large-scale, enterprise-level digital commerce platform on a Java-based microservices architecture (Spring Ecosystem). The development phase is "LARGELY COMPLETED". We are not looking for a builder to start from scratch, but rather a "finisher"—a skilled Backend Engineer to take ownership of the existing codebase. The primary goal is to validate current integrations, stabilize the logic, and ensure the system is production-ready through rigorous testing. WE WILL PROVIDE TESTING HELP FROM OUR SIDE TOO. 2. Current Project Status & Scope The following microservices have been developed. Your role is to ensure these services communicate seamlessly, handle edge cas...

    $148 Average bid
    $148 Avg Bid
    64 bids

    Title: Senior Backend Engineer Needed: RBAC + Alibaba Cloud Deployment (Urgent) Description: I have a working AI backend codebase. Need a senior backend engineer to implement code updates as per requirements, RBAC and deploy it on Alibaba Cloud (Saudi region). This is an update + deployment task — not a full build from scratch. Scope: * Implement RBAC (AI agent wise) using JWT * Secure existing APIs (no rewrite) + integration with itsm system * Deploy on Alibaba Cloud ECS (Ubuntu or RHEL or centos) * Configure Nginx + HTTPS * Ensure APIs are production-ready Deliverables based on above mentioned scope: Code updates as per the requirements discussed. Spreadsheet will be shared * Clean RBAC implementation * Live deployed API (Alibaba or huawei cloud) * Minimal docu...

    $100 Average bid
    $100 Avg Bid
    34 bids

    Code-Shift Native Speakers – Hmong (hmn_US) Audio Recording (Dual-Channel) Recording Approach We will deliver natural bilingual conversations in a contact-center (agent–customer) format with strict adherence to code-switching requirements. Audio Format * Dual-channel WAV (Agent / Customer separated) * Native 8kHz and 16kHz recordings (50/50 split) * Single recording per conversation with clear channel separation Code-Switching Implementation We support both required patterns: Type 1: Bilingual Agent–Customer Interaction** * Agent: 100% secondary language(English) * Customer: 100% primary Hmong (hmn_US) language * ~50% code-switching at conversation level * Natural conversational flow (no forced switching) * Single audio + single transcri...

    $8 - $15 / hr
    $8 - $15 / hr
    0 bids

    ... hands-on attention. Most of the work centres on supporting and fine-tuning the channels and destinations already in production; performance slow-downs on the older Mirth instances are the issues I meet most often. All access is through AnyDesk screen-share sessions—no direct log-ins or code exports—so you should be comfortable working live while we talk through each ticket. Your background must cover both the classic Mirth interface and the newer BridgeLink tool-set, with enough HL7, JavaScript, Java and SQL knowledge to trace bottlenecks, tweak transformers, and keep message queues flowing smoothly. Typical tasks you’ll handle: • Diagnose and resolve performance issues on legacy Mirth channels • Update or patch existing channels/destin...

    $15 / hr Average bid
    $15 / hr Avg Bid
    142 bids

    ...right out of the gate. Bank-grade encryption, a strict zero-trust architecture, and full OWASP compliance are non-negotiable pillars of the build. Phase 1 – Mobile First • Design and code the core escrow workflow for peer-to-peer and business-to-business payments. • Implement strong customer authentication, role-based access, and end-to-end encrypted data at rest and in transit. • Integrate a modular backend API so we can later expose the same services to a web portal and USSD interface without rewriting business logic. Security & Compliance Every line must pass automated OWASP checks, static code analysis, and peer review. Key vault management, token-based sessions, and granular audit trails are required so the platform is rea...

    $726 Average bid
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    280 bids

    I'm seeking an experienced Rust developer to review and optimize my code, with a focus on enhancing performance. Key Objectives: - Primary goal: Optimize performance - Critical area: Data processing - Main aspect to optimize: Memory usage Ideal Skills and Experience: - Expertise in Rust programming - Strong background in performance optimization - Experience with data processing applications - Proficient in memory usage analysis and reduction - Familiarity with best practices in Rust development Please provide relevant experience and approach in your bids.

    $334 Average bid
    $334 Avg Bid
    40 bids

    ...every phone number shown, and any email address the site provides. Because often hides data behind pagination or pop-ups, I expect a robust scraping approach that can handle dynamic content (Selenium, Playwright, or similar) as well as polite rate-limiting so we stay within acceptable request volumes. Deduplication is essential—if the same company appears under multiple categories or listings, merge the records instead of inflating the count. Deliverables • One clean .xlsx file containing all requested fields, ready for filtering and analysis • A brief text log explaining the scraping workflow, libraries used (e.g., Python–Selenium/BeautifulSoup, Node–Puppeteer, etc.), and any known data gaps • Confirmation that the crawl completed for e...

    $1002 Average bid
    $1002 Avg Bid
    65 bids

    I’m ...back-end that supports real-time data exchange, notifications, and secure user authentication. Clean architecture, thoughtful UI/UX, and solid performance are priorities. I’m open to your recommended stack—Kotlin or Java in Android Studio with Firebase, RESTful APIs, or other proven solutions. Deliverables • Complete Android Studio project with readable, well-commented source code • Signed release APK/AAB ready for Google Play submission • Concise setup & deployment documentation When you reply, please share links to Android social apps you’ve built, outline your proposed tech stack, and give an estimated timeline to first stable release. I look forward to collaborating with someone who can bring this platform t...

    $2122 Average bid
    $2122 Avg Bid
    88 bids

    I run a tender desk that must push out 20–30 fully-compliant RFQ submissions every month across mining logistics, public procurement, and general supply. To keep pace, I need a proven bid writer who can reliably turn around 5–7 quality bids per week without hand-holding. Much of our pipeline sits in the public procurement space, so you’ll need a solid grasp of National Treasury rules, briefing sessions, and portal quirks. Compliance is everything: you must be completely comfortable preparing B-BBEE affidavits and detailed pricing schedules, and you should also know your way around the usual SBD forms and CSD updates so nothing gets flagged non-responsive. The role is remote; being Gauteng-based is a plus for fast collections or site meetings but not a deal-br...

    $448 Average bid
    $448 Avg Bid
    25 bids

    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.

    $137 Average bid
    Urgent
    $137 Avg Bid
    77 bids

    I am building a scalable digital operations platform that enables individuals (primarily job seekers in the US) to outsource repetitive, time-intensive tasks such as job applications and structured data entry to a distributed workforce. The core idea is to create a managed marketplace where tasks are standardized, tracked, quality-controlled, and fulfilled efficiently through human operators. The platform should ensure transparency, reliability, and turnaround time guarantees, while maintaining strong control over quality and worker performance. From a product standpoint, this will function as a two-sided workflow-driven system with three primary roles: clients, workers, and administrators. Clients should be able to onboard, purchase credits or pay for services, submit structured t...

    $753 Average bid
    $753 Avg Bid
    87 bids

    I’m building a new web application and the entire user interface needs to be planned, coded, and 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...

    $275 Average bid
    $275 Avg Bid
    104 bids

    ...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. Full Android S...

    $72 Average bid
    $72 Avg Bid
    37 bids

    ...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 altered and why. 3. A compiled release-ready APK/bundle proving the issue is gone. Acceptance criteria...

    $462 Average bid
    $462 Avg Bid
    169 bids

    Code-Shift Native Speakers-Brazilian Portuguese Audio Recording (Dual-Channel) Recording Approach We will deliver natural bilingual conversations in a contact-center (agent–customer) format with strict adherence to code-switching requirements. Audio Format * Dual-channel WAV (Agent / Customer separated) * Native 8kHz and 16kHz recordings (50/50 split) * Single recording per conversation with clear channel separation Code-Switching Implementation We support both required patterns: Type 1: Bilingual Agent–Customer Interaction** * Agent: 100% secondary language(English) * Customer: 100% primary (Brazilian Portuguese) language * ~50% code-switching at conversation level * Natural conversational flow (no forced switching) * Single audio + single t...

    $8 - $15 / hr
    $8 - $15 / hr
    0 bids

    Code-Shift (Native European Spanish Speakers) Audio Recording (Dual-Channel) Recording Approach We will deliver natural bilingual conversations in a contact-center (agent–customer) format with strict adherence to code-switching requirements. Audio Format * Dual-channel WAV (Agent / Customer separated) * Native 8kHz and 16kHz recordings (50/50 split) * Single recording per conversation with clear channel separation Code-Switching Implementation We support both required patterns: Type 1: Bilingual Agent–Customer Interaction** * Agent: 100% secondary language(English) * Customer: 100% primary (European Spanish) language * ~50% code-switching at conversation level * Natural conversational flow (no forced switching) * Single audio + single transcr...

    $12 / hr Average bid
    $12 / hr Avg Bid
    1 bids

    Code Shift (Native Canadian French Speakers) Audio Recording (Dual-Channel) Recording Approach We will deliver natural bilingual conversations in a contact-center (agent–customer) format with strict adherence to code-switching requirements. Audio Format * Dual-channel WAV (Agent / Customer separated) * Native 8kHz and 16kHz recordings (50/50 split) * Single recording per conversation with clear channel separation Code-Switching Implementation We support both required patterns: Type 1: Bilingual Agent–Customer Interaction** * Agent: 100% secondary language(English) * Customer: 100% primary (Canadian French) language * ~50% code-switching at conversation level * Natural conversational flow (no forced switching) * Single audio + single transcri...

    $8 - $15 / hr
    $8 - $15 / hr
    0 bids

    I want a complete Android e-commerce applica...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/Volley, Glide/Coil, and can write maintainable, well-commented cod...

    $141 Average bid
    $141 Avg Bid
    56 bids

    Code-Shift (Native European French Speakers) Audio Recording (Dual-Channel) Proposal: Recording Approach We will deliver natural bilingual conversations in a contact-center (agent–customer) format with strict adherence to code-switching requirements. Audio Format * Dual-channel WAV (Agent / Customer separated) * Native 8kHz and 16kHz recordings (50/50 split) * Single recording per conversation with clear channel separation Code-Switching Implementation We support both required patterns: Type 1: Bilingual Agent–Customer Interaction** * Agent: 100% secondary language(English) * Customer: 100% primary (European French) language * ~50% code-switching at conversation level * Natural conversational flow (no forced switching) * Single audio + sing...

    $14 / hr Average bid
    $14 / hr Avg Bid
    2 bids

    ...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 two or three software concepts and their revenue potential • Approved concept translated into UX mock-ups and a technical architecture overview • Fully developed desktop application with executable installer and complete source code • Basic user manual (PDF)...

    $327 Average bid
    $327 Avg Bid
    20 bids