Java programming bandung jobs

Hello, I am looking for an expert in Siemens PLC and SCADA programming using TIA Portal to deliver a complete technical package for a "Smart Plant Care System with SCADA Monitoring". I will provide a Reference Sample to follow regarding the report structure and formatting. Deliverables Required: Comprehensive Technical Report: Professional academic writing including high-quality images, data tables, and mathematical equations. Detailed step-by-step explanation of the Ladder Logic and SCADA interface. PLC & SCADA Programming: Delivery of the original TIA Portal project file (including HMI/SCADA screens). (System logic will be discussed in private chat). PowerPoint Presentation (PPT): A professional PPT covering all project aspects. Simulation Video: A ...

I need a Kinco PLC program developed in the D-Tool suite to handle three core tasks: logging key process data to non-volatile memory or an external database, pushing that data to a remote dashboard for live monitoring over TCP/IP, and executing closed-loop automated control of the machine. The program must support standard TCP/IP for plant network connectivity, CANopen, and raw CANbus frames for communication with field devices and a supervisory gateway. The PLC will gather readings from temperature, pressure, and proximity sensors, as well as motor-RPM feedback for speed regulation. Clean tag structures, well-commented code, and clear HMI naming are essential for scalability. Deliverables: - Complete Kinco PLC project file (.plc) with fully commented ladder/SFC logic - D-Tool HMI projec...

...plans, optimizing partitioning and clustering, and reducing cost and runtime—while also getting guidance on Tableau best practices like efficient layouts, calculated fields, and extract vs. live strategies, along with some light support in Python (Pandas) for data preparation. I’m looking for someone who can work with me through daily, plus deeper weekly sessions, using screen sharing or pair programming, and also be available for quick ad-hoc questions during work. This is a long-term collaboration where I need a practical mentor who can help me directly with my daily tasks, explain performance trade-offs clearly, and help me build scalable workflows end-to-end. Budget is $15,000–$20,000 bi-weekly depending on experience, and consistent availability for daily c...

...coordination. Users must be able to create and view patient records, assign or accept caregiving tasks, exchange status updates in real time, and track outcomes. All data must move securely between the web portal, the two mobile apps, and the database layer without duplication or loss. Technical expectations I am open to modern frameworks—React or Vue for the web front end, Swift/Objective-C and Kotlin/Java (or a cross-platform solution such as Flutter or React Native) for the mobile layer, and a scalable REST or GraphQL API behind it. Containerised deployment on AWS, Azure, or GCP with automated CI/CD, monitoring, and routine backups is essential so maintenance stays predictable. Key deliverables • Production-ready web application (health & social care focus...

...experience from a technical perspective * Rapidly iterate MVP (Minimum Viable Product) to support early user growth * Integrate third-party services (authentication, cloud services, push notifications, etc.) * Support app store submission (App Store / Android markets) for name reservation and deployment ⸻ Requirements Must-have (Core Skills) * Proficiency in at least one major programming language (JavaScript / Python / Java / Swift / Kotlin) * Experience with web or mini program development (e.g., WeChat Mini Program, H5) * Understanding of basic full-stack architecture (APIs, databases, user systems) * Ability to independently build features with a 0→1 mindset Nice-to-have (Any of these is a plus) * Experience in mobile app development (iOS / Android / Flutter...

...easy-to-pick-up game, I’m open to both paths. The key is that it must be fully store-ready: clean code, no policy violations, and attractive enough to earn downloads. Per finished project that meets the criteria below I can release ₹1,500 – ₹2,000, so feel free to pitch multiple ideas if you work fast. Deliverables • Signed release AAB or APK, ready for upload • Complete source code (Android Studio Java/Kotlin or Unity/C# are both fine) • Simple icon, screenshots, and a short store description • Confirmation that all assets are licence-free or originally created . Need to publish the app on the playstore too. Acceptance checklist • Compiles without errors or warnings • Runs smoothly on current Android API levels • ...

... ×, ÷, %) Scientific calculator (functions like sin, cos, tan, log, sqrt, etc.) Smooth and responsive UI as per Figma design Accurate calculation logic Proper error handling (divide by zero, invalid inputs, etc.) Important: I will provide the Figma design link after you request access Please review the design before finalizing your bid Requirements: Strong experience in Android development (Java/Kotlin) Experience building calculator or math-based apps (preferred) Ability to follow UI designs precisely Clean and optimized code Deliverables: Fully functional Android app Source code Proper testing to ensure accuracy Budget & Timeline: Please share your best price and estimated timeline after reviewing the Figma If you have built similar apps before, please...

Job Title: Android Java Developer (Camera, Image Processing, USB Integration) About the Role We are building a real-time vision application for a USB-connected glasses device. This role focuses on low-latency camera processing, Android performance optimization, and SDK integration — not AR/Unity development. Key Responsibilities Develop an Android (Java) application for a USB-C connected UVC camera device Display live camera feed in fullscreen on external glasses display Implement real-time image processing features: Zoom (1x–10x) with clarity preservation Contrast enhancement Brightness control Edge detection (outline mode) Color filter modes Integrate OCR + Text-to-Speech (TTS) for real-time text reading Build a minimal, responsive on-screen UI for feature sw...

I’m ready to invest between 20 000 and 30 000 in a results-driven fitness journey that focuses squarely on muscle gai...Macro-aligned nutrition guidance that complements hypertrophy without resorting to extreme bulking diets. • Weekly check-ins, form reviews (video feedback is fine), and simple progress metrics—strength numbers, body-part measurements, and photos. • Clear milestones so I can see the transformation unfold over the agreed timeline. Experience with muscle-building clients, solid knowledge of resistance programming, and fluency in tools like MyFitnessPal or Trainerize will stand out. If you’re confident you can help me add quality muscle within the stated budget range, send over a brief outline of how you’d structure the program an...

...the next several months. The immediate need is to design and implement RESTful APIs that handle user authentication and authorization, data retrieval/manipulation, and a handful of third-party integrations. Most of our existing micro-services are written in Python and Java, with a few high-performance components in Go, so the more comfortable you are jumping between those languages the better. You’ll be expected to: • Draft an endpoint specification we can review together. • Build the services in clean, idiomatic Python, Java, or Go (your choice per module), following REST best practices. • Wire in secure auth (JWT, OAuth2, or similar) and role-based access control. • Integrate external services where required, shielding the core logic behi...

Project Details 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,...

...entirely in KiCad. The board must replicate every feature of the prototype while adding proper power-management circuitry so the system can move smoothly between active, sleep and charging states. Clean routing for the high-current path of the BMS and the low-noise requirements of the ePaper lines is essential. Experience with the DA16600 reference design, its RF keep-out requirements and its programming/boot strapping options will be a strong advantage. What I will hand over • A complete schematic of the current prototype in PDF • Pin-maps, reference designs and mechanical envelope • Notes on measured current draw and power-down behaviour What I expect back • KiCad or EasyEDA schematic captured from my notes, with clearly-named nets • A 2-la...

I need an experienced Siemens PLC developer who can jump straight into a live project and write a fresh program for a 6 kV DC power-supply rig running on an S7-1200 CPU 1212C. The scope is limited to new code only; there is no legacy logic to debug or modify. The program must: • Drive the power-supply output with precise ramp-up, hold and ramp-down profiles • Continuously monitor voltage, current and internal status flags so alarms are raised in real time • Implement hard-wired and software safety interlocks, plus an orderly shutdown routine whenever limits are breached Only written documentation is available, so you will be expected to derive any missing I/O maps or signal diagrams as you go. Remote work is fine provided you can securely take control of the PLC and ...

...logging. • Protection layer: integrate converters, breakers or electronic trippers for automatic cut-off when any limit is breached. • Touchscreen HMI: design screens that present live tension, volts, amps and system status, plus jog buttons and set-point entry. • Field wiring & panels: fabricate, label and terminate every cable, then land everything in a clean, serviceable panel. • PLC programming & hand-over: write, test and document the code, run through all fault scenarios, and stay on site (or remote into the PLC) until the system passes demonstration. Acceptance checklist 1. Smooth pay-in/pay-out under closed-loop tension control. 2. Seamless switching between auto and manual at any time. 3. Verified trips for over-tension, under-t...

...Прилагаю техническое задание на двух языках: русский и английский Need an experienced PCB designer to create a schematic and layout for a base board based on ESP32-PICO-D4. Key features: • ESP32-PICO-D4 • Power supply: 5V–14V input with over-voltage protection and reverse polarity protection • 2x JST connectors for external sensors (5V logic, pulse input) • 3x status LEDs, reset button • FT232RL programming header • microSD card slot (SPI) • Two mezzanine connectors for future expansion (16+ pins and 10+ pins) with free GPIOs routed Deliverables: Schematic, PCB layout (Gerber), BOM with MPN, Pick and Place, 3D STEP file, pinout description. Preferred tool: EasyEDA. Full specification is attached. Please include in your proposal: • Ex...

I’m building a small hydraulic test rig and I want to master the entire Delta PLC + DIAView SCADA workflow while we bring the machine to life. I already have basic PLC programming skills, but SCADA is new territory for me, and I’m looking for a mentor rather than a “just-send-me-code” solution. System hardware on my bench • Delta PLC managing one hydraulic cylinder through a proportional speed valve • RS-485 indicators tied into the PLC for a 100 kg load cell and an LVDT position sensor Functional goals we’ll implement together 1. Auto-zero when the load cell reads 5 g 2. Capture and store position at 20 kg, 40 kg and 60 kg 3. Run three complete test cycles from a single START command 4. Allow pause / resume at any point in tra...

Java Spring Boot Microservice — ITR Portal Login + AIS & 26AS Data Fetch Project Type: Backend Microservice Development Timeline: 4–6 Weeks (MVP) Date Posted: April 2026 Project Description Looking for an experienced Java developer to build a backend microservice that: Logs into the Income Tax e-Filing portal ( ) programmatically ( We have python based script we will share the script to login) Extracts the session token post-login Fetches AIS (Annual Information Statement) and Form 26AS from the TRACES portal ( ) Exposes the data via a REST API secured with JWT The service must handle OTP/MFA relay, auto token refresh, and be built to scale horizontally. Key Requirements Java 21 + Spring Boot 3.x Redis for encrypted session/token caching (TTL-managed)...

...responsiveness. Connection stability, automatic reconnection, and graceful handling of Bluetooth state changes are essential because the app will often run in the background. Deliverables • A self-contained React Native module (TypeScript or modern JS) that wraps all BLE operations and exports easy-to-use hooks or callbacks. • Native bridge code where needed (Swift/Objective-C for iOS, Kotlin/Java for Android) so the same JavaScript API works on both platforms. • Clear documentation and a short demo screen that prints live weight values, connection status, and battery level if the scale exposes it. • Unit tests or a simple test script proving that the module reconnects automatically after signal loss and remains within ±200 ms latency for updates...

... current quiz scores, and weekly streaks; teachers or parents should be able to glance at the same data on a lightweight dashboard. Think Firebase or an equally quick cloud back-end for syncing, but I’m open to the stack you prefer as long as the data stays secure and the UI remains snappy on entry-level Android phones. Core deliverables (acceptance criteria): • Android APK + source (Kotlin or Java) compiled against the latest stable SDK • Audio-first lesson player with play / pause / seek and buffered streaming for low-bandwidth connections • Gesture-friendly interactive activities (drag-and-drop, tap to match) that tie directly to the audio content • Quiz engine supporting multiple-choice, fill-in-the-blank, and picture-based prompts, with real-...

...it has to be, but polished enough to feel professional. Core workflow • Patients open the app, review each doctor’s profile (photo, specialty, brief bio, available hours). • They pick an open slot and confirm the booking. • A push notification reminds them as the appointment approaches. That’s the heart of it. I am open to your preferred stack, yet an Android-native build in Kotlin or Java via Android Studio will likely keep things straightforward. If you already have experience wiring notifications through Firebase Cloud Messaging—or a comparable service—please mention it. Deliverables 1. Full Android source code with clear project structure. 2. Debuggable APK for testing and a signed release build. 3. Short hand-off guide ...

need to record audio, save the file after 2 minutes, create new file, save the file after 2 minutes and so on. must run only in background. need to use Android Studio and Java. Not Kotlin

...to arrive?" and the chatbot answers instantly, using artificial intelligence. Everything is automatic and it only takes a few minutes to set it up. Let me show you exactly how it's done. 1:00 – 1:30 → WHAT YOU WILL LEARN In this video we will do 3 simple things: 1. Create a flow in Manychat 2. Send the user's message to ChatGPT 3. Display the automatic response in the chatbot You don't need programming. Everything is done visually, step by step. 1:30 – 3:30 → SETUP MANYCHAT We enter Manychat and go to Flow Builder. We create a new flow and add a message. Here we ask the user to write their question. We add a User Input and select the Text type. We save the user's message in a field, which we call "user_question". This wil...

...birth, ID numbers, etc.) has to be filled. Basic validation—presence checks and simple format rules—is sufficient; anything more can stay out of scope for now. • The end result should feel native: once the API call succeeds, the user sees the customer screen with every mapped field in place and can immediately continue the usual onboarding process. Deliverables I expect: 1. Integration code (Java / PL-SQL wrapper or preferred Flexcube extension) committed to a Git repository. 2. Mapping document that shows each JSON field and its corresponding Flexcube column. 3. Simple test script or Postman collection proving the end-to-end flow. 4. Brief deployment notes so our ops team can move it from UAT to production without a hitch. If you’ve worked wi...

...creators/instructors to develop high-quality, engaging, and easy-to-understand training content across a wide range of programming and web development technologies. This project is focused on building a comprehensive learning platform designed for beginners starting from age 8, as well as students with no prior technical background. The goal is to make complex concepts simple, interactive, and enjoyable to learn. Scope of Work: Create structured video tutorial series for one or more of the following technologies: HTML, CSS, JavaScript, jQuery PHP, MySQL, WordPress React, Angular, Node.js C, C++, Java Oracle, PostgreSQL, MongoDB React Native, Android Development Other relevant programming technologies Key Requirements: Ability to explain concepts in a simple, cl...

...analytics Create conversion and retention metrics Optimize queries for performance and scale AI-Ready Architecture Prepare backend pipelines for: Spam & abuse detection Fake profile scoring Behavior-based alerts Ensure modular design for future AI integrations Required Skills Must Have Strong experience with Python Hands-on experience with FastAPI Solid understanding of REST APIs & async programming Experience with PostgreSQL Knowledge of Redis (cache, Pub/Sub) JWT authentication and role-based access control WebSocket or realtime system experience Nice to Have Experience with admin dashboards or SaaS platforms Background jobs & task queues Experience in social, dating, or real-time apps Familiarity with analytics systems Basic DevOps or deployme...

I need targeted, instructor-led coaching on Schneider Electric’s Modicon M580 PLC, focused exclusively on software programming and logic development. My current skill level is intermediate, so the sessions should move quickly past the basics and concentrate on practical, plant-ready techniques. The core areas I’m looking to master are: • Developing and refining programs in basic Ladder Logic • Building equivalent routines using Function Block Diagram (FBD) We will be working in EcoStruxure Control Expert (Unity Pro). I want to leave each session with runnable example code, clear explanations of best practices, and short assignments that prove I can apply what we covered. A mix of live walkthroughs, screen-sharing, and hands-on exercises will suit me best,...

I need an experienced SolidWorks designer to take my hand-drawn and dimensional sketches of a small mechanical component and turn them into production-ready CAD files. The end goal is full-scale manufacturing, so every radius,...deliverable. To keep things moving, I’ll share reference photos, critical dimensions, and any GD&T requirements during our kickoff. I’m happy to jump on a quick call to clarify intent before you start. Turnaround within a few days would be ideal; accuracy and manufacturability come first. Deliverables • Native SolidWorks file (.sldprt / .sldasm if assemblies) • Final STEP file ready for CNC programming • Short PDF drawing with key dimensions and tolerances (optional but appreciated) If this sounds like a quick wi...

...Chatbots, text classification, sentiment analysis, summarization, embeddings, vector search. Generative AI LLM integration, prompt engineering, RAG systems, AI assistants, content generation workflows. Automation & AI Agents Workflow automation, API integration, autonomous agents, task orchestration. Data Engineering Data cleaning, preprocessing, pipelines, ETL, analytics dashboards. Programming & Tools Python, PyTorch, TensorFlow, LangChain, FastAPI, Docker, SQL, REST APIs. What I Can Build for You Custom AI models tailored to your business Chatbots and virtual assistants (customer support, sales, internal tools) AI‑powered automation for repetitive tasks Data analysis and predictive modeling Document processing and intelligent extraction Recommendation...

...videos, draft thumbnails or descriptions, and keep an eye on comments and revenue without leaving the app. A clean Material-you interface, smooth performance on the latest Android releases, and Play-Store-ready compliance are all must-haves. For this first engagement I’m looking for a developer who can: • translate the concept into a solid feature roadmap, • build the Android app in either Kotlin or Java (your preference), • integrate the necessary YouTube OAuth flow and API endpoints, • deliver well-commented source code, an installable APK, and brief setup documentation. The work will be considered complete once the source compiles without errors, the main dashboard successfully pulls a user’s channel analytics, and the basic upload/schedule fu...

Excel Data Analysis & Reporting – Skilled in transforming raw data into clear, actionable insights with charts, pivot tables, and dashboards. - C++ Programming Expertise – Experienced in writing efficient, well-structured code for academic and technical projects. - Professional Word Formatting – Ability to convert handwritten or image-based assignments into polished Word documents with proper structure and design. - Mathematics & Discrete Structures – Strong foundation in advanced mathematics, operating systems, and discrete structures, useful for academic and technical problem-solving. - Visual Dashboards & Presentations – Capable of preparing concise reports and integrating Excel analysis into Word for impactful presentations. - ...

...screen reader) is active. Here is what I expect: • Add or correct contentDescription attributes, accessibility labels and hints so that controls are spoken in a logical order. • Ensure state changes—errors, success messages, toggles—are conveyed via accessibility events without relying on visual cues alone. • Keep visual layout untouched; all work should sit cleanly in the XML and Kotlin/Java layers. • Provide a short video or emulator capture showing TalkBack reading through a typical form flow, plus the updated source files or a merge request. If you regularly validate with TalkBack, Accessibility Scanner or Espresso accessibility tests, this will be a straightforward engagement. Let me know the Android versions you usually test aga...

I maintain a Java-based backend that exposes a small REST interface for sensor and other device data. A few legacy issues are breaking current GET and POST calls and I also need several new endpoints added. Each confirmed bug you resolve is paid at ₹1,200, and the same rate applies if you prefer to log time hourly instead. Scope • Diagnose and fix existing errors in the REST layer, services, or related model classes. • Add clean, well-documented GET and POST endpoints so devices can reliably push data and consumers can pull it back. • Ensure responses follow our current JSON schema and return the correct HTTP status codes. • Provide concise unit or integration tests that demonstrate each fix or new endpoint working end-to-end. Acceptance criteria A pu...

I’m a university student working on a project that relies entirely on Python, and I want to make sure the code is both clean and fully functional. The task is strictly programming and development—no copy-writing, layout, or graphic work is involved—so every hour can go straight into writing, refining, and explaining Python code. Here’s what I need from you: • Review the modules I already have, spot weak points, and suggest or implement improvements. • Add any missing functionality so the program meets its intended purpose. • Comment the final code clearly and walk me through the key decisions you make; I need to understand the logic well enough to answer follow-up questions at university. • Provide runnable, error-free files that ...

I’m rolling out a new feature that touches both ends of our stack. On the backend we run Java 21 with Spring Boot micro-services, alongside a small Node.js/Python layer that exchanges events through Kafka. The frontend is split between an older Angular module and a newer React interface. The job is to design and code the complete feature, wiring it cleanly into every affected service and UI surface. You will: • Extend (or create) the relevant Spring Boot endpoints, making sure they publish and consume the right Kafka topics. • Update the Angular dashboard and the React SPA so the user experience is seamless across both frameworks. • Keep code idiomatic, unit-tested, and pushed to our Git repo via pull requests. Acceptance criteria • All API tests p...

I am putting together a full-featured wellness application for Android that mirrors the experience of HealthifyMe, but focused on my own brand and feature set. The core of the build revolves around live tracking linked to three pillars: calorie tracking, detailed exercise logging, and personal...with live update capability • Scalable backend with documented API endpoints and basic admin access • Source code, build instructions, and a short hand-off walkthrough Acceptance criteria: each listed module must store data locally when offline, sync seamlessly when a connection returns, and maintain <1 s latency on messaging under typical loads. If this aligns with your expertise in Kotlin/Java, real-time databases, and fitness-oriented UX, I’m ready to review your...

I’m a university student working on a project that relies entirely on Python, and I want to make sure the code is both clean and fully functional. The task is strictly programming and development—no copy-writing, layout, or graphic work is involved—so every hour can go straight into writing, refining, and explaining Python code. Here’s what I need from you: • Review the modules I already have, spot weak points, and suggest or implement improvements. • Add any missing functionality so the program meets its intended purpose. • Comment the final code clearly and walk me through the key decisions you make; I need to understand the logic well enough to answer follow-up questions at university. • Provide runnable, error-free files that ...

I’m creating an online store for cosmetic products and want the codebase to feel as professional as anything you would ship to production. The backend must be written in Java with Spring Boot, exposed through well-structured REST endpoints, and persist data in MySQL. On the client side I only need a clean, responsive interface built with plain HTML, CSS and vanilla JavaScript—no heavy frameworks—so that the focus stays on clear architecture rather than flashy UI libraries. Core features I expect: • Role-based authentication for Admin and Customer accounts, supporting registration, login and logout with secure password storage. • Admin dashboards to add, edit and retire products, plus view basic order information. • Customer-facing catalogue with...

I’m expanding several engineering teams for top-tier MNCs and rapidly scaling tech start-ups and need skilled people who can jump in right away. The first seats I must fill are: • Software Developers who are fluent in React, Node, and/or Java. If you can architect front-end components in React, build robust APIs with Node, or craft enterprise-grade services in Java, you’re already on my shortlist. • Data Analysts & Data Engineers able to turn raw data into clean, actionable insights. Solid SQL skills are essential, and if you have experience with Python, Spark, or comparable tooling, that will be an added advantage. • UI/UX Designers who can translate complex product ideas into polished, user-centric interfaces, balancing aesthetics with ac...

...authentication, real-time data synchronisation to our backend, and reliable push notifications. The server side is already live; you’ll consume our REST/JSON endpoints and make the tablet experience fully in step with the web version. Because this is a contract role I need someone who already has at least five years of hands-on APK work under Linux—comfortable with Android Studio, the Android SDK, Kotlin/Java, Git, and typical CI pipelines. You should be able to stand up a clean architecture, guide me on best practices for tablet UI/UX, and hand over production-ready code. Deliverables I’ll sign off on: • Compiled release-grade APK ready for Play Console internal testing • Complete, clean source code in a Git repo with build instructions that wor...

...quick-access buttons to the most-used modules. Smooth pull-to-refresh, badge counts, and Firebase push integration should mimic the existing behaviour exactly. 2. Profile – Students and staff need a tabbed layout that presents personal details, attendance records, and grades/performance, all pulled from our current REST endpoints. Data caching, photo upload, and simple edit forms already exist in Java and must be replicated in Dart without losing validation rules. 3. School Contacts & Calendar – For this first sprint I only need the staff directory portion live. Search, role filtering, click-to-call, and email links should work out of the box. The calendar view may stay read-only for now; it simply has to render the same event feed we already expose in JSON....

...Android-only mobile app from concept to Google Play release. The exact domain is still flexible—e-commerce, social networking, productivity, or another category that makes strategic sense—so I’m looking for a developer who can help me shape the idea as well as code it. Here’s what I need from you: • Discovery & wireframing sessions to refine the core feature set • Clean, maintainable Kotlin or Java code that follows Android best practices • A modern UI built with Material Design components • Integration of essential services such as authentication, push notifications, analytics, and in-app purchases when relevant • End-to-end testing, including unit tests and UI tests, with clear test reports • Assistance with ...

...open—whether the final product supports e-commerce, social networking, education, or another category will be decided once we refine the concept together. Key functionality is equally flexible. Depending on the agreed use-case, the build may include fundamentals such as messaging, user profiles, a news feed, or any other feature set that fits the solution. Code should be written in Kotlin or modern Java within Android Studio, follow current Material Design guidelines, and be structured for easy maintenance and future feature expansion. Deliverables • Fully-tested APK and complete source code • Brief technical documentation outlining architecture, key libraries, and build steps • One walkthrough session to hand over the project and address ques...

...and the practicality of everyday utilities. Think of it as one cohesive product where users can play, chat, share photos, connect with friends, and still reach for built-in tools that make daily life easier. Here is what I already know I need: in-app messaging, seamless photo sharing, and a robust friend-connection system. Because we’re targeting Android only, you’re free to lean into Kotlin or Java and make the most of Google-first services—Firebase for real-time chat and push, Play Games Services for leaderboards or achievements, and any modern Android Jetpack libraries that speed development while keeping the codebase clean. I’ll handle concept art and copy; you’ll take charge of architecture, clean UI/UX, feature implementation, and release-rea...

I maintain a Java-based backend that exposes a small REST interface for sensor and other device data. A few legacy issues are breaking current GET and POST calls and I also need several new endpoints added. Each confirmed bug you resolve is paid at ₹1,200, and the same rate applies if you prefer to log time hourly instead. Scope • Diagnose and fix existing errors in the REST layer, services, or related model classes. • Add clean, well-documented GET and POST endpoints so devices can reliably push data and consumers can pull it back. • Ensure responses follow our current JSON schema and return the correct HTTP status codes. • Provide concise unit or integration tests that demonstrate each fix or new endpoint working end-to-end. Acceptance criteria A pu...

I maintain a Java-based backend that exposes a small REST interface for sensor and other device data. A few legacy issues are breaking current GET and POST calls and I also need several new endpoints added. Each confirmed bug you resolve is paid at ₹1,200, and the same rate applies if you prefer to log time hourly instead. Scope • Diagnose and fix existing errors in the REST layer, services, or related model classes. • Add clean, well-documented GET and POST endpoints so devices can reliably push data and consumers can pull it back. • Ensure responses follow our current JSON schema and return the correct HTTP status codes. • Provide concise unit or integration tests that demonstrate each fix or new endpoint working end-to-end. Acceptance criteria A pu...

I’m putting together a small pool of reliable freelancers who can jump in quickly when work arises. At different times I may need help drafting web copy and blog articles, polishing visuals for campaigns, or tackling straightforward programming tweaks on existing sites and apps. To start, I’d like to see: • A short note about the area you’re strongest in—writing, design, or coding—and one recent example link or attachment that shows your best work. • Your typical turnaround time for a task that takes you roughly one working day. • Your preferred tools or languages (e.g., Adobe CC, Figma, WordPress, React, Python, etc.). I assign tasks in clear, self-contained tickets and keep communication focused in Slack or email—whatever y...

...require a complete testing strategy. I need both manual exploratory passes and a solid automated regression pack to ensure every release ships with confidence. Here is what I’m expecting: • Manual coverage first, documenting test cases and edge scenarios that cannot yet be automated. • Automated suites written in Selenium for the web layer, Appium for iOS / Android builds, and JUnit for our Java-based desktop client. • Clear, human-readable reports and logs integrated into our existing CI pipeline (GitHub Actions). • A short hand-off session so my dev team can run and maintain the scripts without you. Acceptance criteria: 1. All critical user flows on every platform are covered by automated checks. 2. Failed test results surface in CI with act...

...play the instrumental track while scrolling the timed lyrics on-screen • let the singer record both audio and video of their performance, saving locally and shareable from within the app • generate a simple score at the end of each song so users can track improvements over time All screens should follow modern Material 3 guidelines and run smoothly on Android 10+. Kotlin is preferred, but Java is acceptable. I will provide the initial batch of instrumental tracks and timed-lyric files; please structure the project so that additional songs can be added later by dropping them into the correct folders or updating a small JSON manifest. Deliverables: 1. Play-store-ready APK and signed AAB 2. Clean, well-commented source code in a private Git repo 3. Brief READ...

I need a copywriter who is comfortable in the Programming & Tech space and can turn complex concepts into clear, instructive prose. The purpose is purely to inform and educate, not to sell, so accuracy and clarity matter more than marketing flair. Here’s what I have in mind: • Research the topic I provide—anything from language fundamentals to framework-specific tutorials. • Draft a 1,000–1,500-word article, walkthrough, or explainer for each assignment, written in plain English with code samples that actually run. • Format in Google Docs or Markdown and optimise basic on-page SEO (headings, meta description, internal links) without sacrificing an educational tone. Acceptance criteria • Technical accuracy: every snippet compiles or...

...ready for review. I’ll be available for quick clarifications while you work and will check progress after the first 5 rows to ensure everything is on track. SUBMITTED TO DATA EXPERT 1. Who developed Python Programming Language? a) Isaac Newton b) Rockefeller c) Guido van Rossum d) nicklin tesla View Answer Answer: c STUDY NOTES: Guido van Rossum developed Python Programming Language. EXPECTED OUTPUT ON EXCEL OF ROW#1( BY DATA EXPERT) (COLUMN #1:SN) 1 (COLUMN #2:STUDY NOTES) :Guido van Rossum developed Python Programming Language (COLUMN #3 Questions):Who developed Python Programming Language? (COLUMN #4: answer#1):Isaac Newton (COLUMN #5: answer#2):) Rockefeller (COLUMN #6: answer#3):Guido van Rossum (COLUMN #7: answer#4):nicklin tesla ...