Android Developer Projects

Senior Full-Stack Developer

Full Job Description Overview: This position will work directly with Technology project teams, business users, and development teams to apply technical solutions in support of identified business challenges. You will be responsible for monitoring systems, interfacing with business owners, triaging issues, and developing solutions. This role requires working with limited supervision and providing after-hours system support as needed for a range of applications including Java, .NET, Visual Basic, and Oracle. Responsibilities: Design, develop, execute, deliver, and maintain Software Development and Maintenance projects. Participate in an Agile Software Development team with remote onshore and offshore development members. Attend project and client meetings, representing the team. Provide technical advice on solutions, performance issues, and project objectives. Contribute to Agile processes while maintaining efficient delivery. Deliver high-quality, secure, scalable, and maintainable production software. Adhere to coding standards. Maintain and create documentation (technical, functional, troubleshooting). Interact with Business Owners to understand business requirements and communicate technical decisions to non-technical users. Collaborate with other IT teams, including Enterprise Architecture, Security, DevOps, and Infrastructure to remove blockers and follow industry best practices. Foster effective, ongoing team interaction and communication. Qualifications: Bachelor’s Degree in Computer Science or equivalent experience required. Minimum of 5+ years’ experience designing, developing, and maintaining large-scale enterprise systems. Experience working on Agile software development teams with both onsite and remote members. Knowledge of the full software development lifecycle, including design, architecture, development, testing, deployment, and maintenance. Understanding of web services and APIs. Strong Oracle database knowledge. Forward-thinking with the ability to anticipate project, technology, and team solutions. Strong problem-solving skills and the ability to drive technological issues to resolution with minimal guidance. Self-motivated and able to thrive in a fast-paced, remote or onsite environment. Required experience with Spring Boot, REST APIs, and database connectivity. What We Offer: Pay Range: $40000 – $50000 / year, plus corporate bonus incentives. Benefits: Comprehensive medical, dental, and vision coverage, 401(k) with company match, HSA contributions, Paid Time Off, Personal/Sick Time, Paid Parental Leave, and more. Award-winning culture: We prioritize our company values: We Care; We Do the Right Thing; We Strive for Excellence; We Think BIG; We Take our Work Seriously, Not Ourselves.

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CAD / CNC Specialist – Tube Slide Pattern Development

We’re looking for an experienced CAD / CNC specialist to work with us on developing accurate cutting patterns for tube slide sections that will be machined on our Mantech CNC flatbed router (specs and machine info attached). This is not a one-off file handover – we’re looking for someone who can work collaboratively with our in-house team via Doncaster, helping us build confidence that our machinery, setup, and workflow are optimised and production-ready. The first project may involve hands on work in Doncaster. The Project We design and manufacture tube slide components that are formed from CNC-cut patterns, primarily using MDF, model board or polystyrene. These parts are then assembled into smooth, continuous slide sections, so accuracy, fit, and repeatability are critical. You’ll help us: - Convert 3D geometry into flattened, CNC-ready cutting patterns - Optimise layouts for material efficiency and clean assembly - Ensure compatibility with our Mantech CNC machine and tooling - Validate tolerances, joints, and seam alignment for real-world fabrication What We’re Looking For - Strong experience in CAD to CNC workflows (Fusion 360, SolidWorks, Rhino, or similar) - Proven understanding of flattening curved or cylindrical geometry into manufacturable patterns - Hands-on knowledge of CNC routing for MDF / model board / sheet materials - Comfortable collaborating via Doncaster or similar technical review platforms - Able to advise on feeds, tooling strategy, and machining best practices What Success Looks Like - Clean, reliable pattern files that cut accurately on our machine - Clear documentation and guidance for our operators - Confidence that our internal team can repeat and scale production independently Nice to Have - Experience with composites, laminated assemblies, or formed sheet structures - Background in play equipment, slides, architectural fabrication, or complex curved assemblies How to Apply Please share: - Examples of similar CAD/CNC pattern or flattening work - Your preferred CAD/CAM software - A brief overview of how you typically collaborate with production teams This is an opportunity to become a long-term technical partner, not just a freelancer on a single task.

Needed to Develop Exhibition Song Waltz /Pop Waltz / Electronic

I am looking for an experienced composer or sound designer to refine and expand an original song created in SUNO for an upcoming art exhibition. The piece is a pop waltz / waltz with a strong emotional narrative, exploring the transition from destruction to peace. The song currently runs at 3.23 minutes, and I would like to extend it to around 5 minutes, enhancing its structure and emotional depth. What I need help with Adding a soundscape of an explosion, followed by silence, heard from the perspective of a person (ear-ringing, muffled sound, emotional pause). Designing the transition from silence into the beginning of the waltz. Improving and balancing the instrumentation (electronic + classical elements). Adding and refining voices / vocal layers. Repeating and strengthening the chorus in a meaningful way. Extending the piece naturally to reach approx. 5 minutes without feeling repetitive. Final mix suitable for gallery / exhibition playback. Style & references Waltz / Pop waltz / electronic waltz Emotional, cinematic, immersive Narrative-driven (destruction → silence → rebuilding → life) Suitable for a contemporary art exhibition space Deliverables Final mastered audio file (WAV) Optional stems (preferred) revised version after feedback About the project This work is part of a multi-sensory art exhibition, where sound, scent, and space interact. Sensitivity, restraint, and emotional intelligence are more important than overproduction. Who this is for Composer / producer with experience in film, theatre, exhibitions, or immersive sound Comfortable working with narrative and emotional pacing Able to collaborate and refine existing material (not starting from zero) Please include: A link to relevant audio work Your estimated turnaround time Your fee for this project

Senior Apple Developer for IAP Issues

We are seeking a senior Apple developer to conduct a quick review of our E-Reader application, which is currently experiencing issues with In-App Purchases (IAP). The primary problem is that the app fails to detect IAP products and encounters errors when attempting to retrieve the products list. Your expertise is essential to diagnose and resolve these issues effectively. The app was developed using Reactive Native + Expo. We want you to handle these tasks: Review the existing app code and configuration Identify and fix issues preventing IAP products from being detected or fetched Ensure full integration and proper communication with Apple’s IAP services Verify that the complete purchase flow (fetch, purchase, restore, and database update) functions correctly Prepare and successfully submit the app to the Apple App Store The project will be considered complete when the entire IAP flow (fetch, purchase, restore, database update, etc.) works correctly while retaining all existing functionality, and the app is live on the Apple App Store. Before completion, we expect proof that the IAP flow is fully functional, provided through screenshots, screen recordings, or TestFlight access for verification. After completion, please provide the updated project files along with clear documentation detailing all relevant changes made.

Full-stack web developer (product-focused)

Need a new portal developed so need someone with experience. The portal is basically a merchandise dashboard so clients can see what they have in stock, reorder, ship etc: Multi-tenant portal (each client/org is isolated) Auth + roles (client admin/approver/viewer, internal admin) Inventory + orders data model (Postgres, audit logs) Integrations (shipping labels + tracking, email, payments if needed) Admin dashboard + client dashboard UI

Frontend developer need

We are seeking a proficient Frontend Developer to enhance our existing application built with React 19 and TypeScript, integrated with Ethers.js for wallet functionality. The project, currently live on the Sepolia testnet, requires real-time game status updates, improved loading states, robust error handling, and a comprehensive display of transaction history. Additionally, we need countdown timers, phase indicators, and mobile responsiveness enhancements. Ideal candidates should possess expertise in React and TypeScript, experience with Web3 technologies, and a solid grasp of state management and responsive design principles.

This is NOT a programing / development job. No coding req

I am the owner of a UK art business with a large private collection of paintings and sculptures. I am looking for a reliable, patient person to help with uploading artwork to my website, adding titles, sizes, and basic descriptions, and organising images. This is ongoing admin work. Clear instructions will be provided. No coding or technical development is required.

Web Developer for WooCommerce/WordPress/Oxygen Expertise Needed

ecom GmbH is a dynamic e-commerce firm specializing in innovative online solutions. Check our website for reference: coversmart.ch. Role Description: We're seeking ambitious, and motivated web developer to join our team on an as-needed, hourly basis. You'll handle WooCommerce integrations, WordPress customizations, and Oxygen Builder developments to drive our projects forward. Key Requirements: Proven expertise in WooCommerce, WordPress, and Oxygen Builder. Strong problem-solving skills and a proactive mindset. Ability to work independently and deliver high-quality results under tight deadlines. What We Offer: Flexible hourly engagements based on project needs. Opportunity to contribute to cutting-edge e-commerce initiatives. Collaborative environment with room for growth. If you're a top-tier talent ready to lead with code, apply now with your portfolio and relevant experience

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Long term reliable developer at fixed salary 750$

Looking for an expert who can work 10 hours a day A- 6 days a week B- Knows wordpress, Shopify, and HubSpot development C- Honest and reliable Wordpress skills should be professional Shopify can implement design HubSpot basic cms development

Developer/Designer for Cryptocurrency Faucet WEB

Project Description: We are looking for a professional who speaks Spanish and has experience in web application and cryptocurrency development to create a functional and attractive cryptocurrency faucet, including an administration panel and a wallet payment system. The project will include: Professional UI/UX design: A clean, modern interface adapted for both desktop and mobile devices. Frontend development: Faucet website including forms, claim buttons, user history, and level/reward systems. Backend development: Secure cryptocurrency distribution system, user management, wallet payments, anti-fraud mechanisms, and activity logs. Cryptocurrency integration: Support for Bitcoin or other cryptocurrencies as defined. Admin panel: User management, payment control, statistics, and faucet configuration. Support and documentation: Clear instructions for future management and the possibility of ongoing maintenance. Candidate Requirements: Fluent Spanish (mandatory for communication and documentation). Proven experience developing cryptocurrency faucets or similar projects. Strong knowledge of blockchain, wallets, and cryptocurrency payment APIs. Skills in HTML, CSS, JavaScript/React, PHP, or Node.js. Experience in web security and anti-fraud protection. Ability to deliver proper documentation and post-development support. Extras (Nice to Have): Experience with WordPress or CMS frameworks for easier future administration. Knowledge of gamification, levels, and reward systems within a faucet. How to Apply: Please include in your proposal: Portfolio of previous projects related to cryptocurrencies or faucets. Estimated development time and approximate cost. Technologies you plan to use and how you will ensure the security of user funds.

Full‑Stack Developer Needed + Interview Call Participation

We are seeking a proficient Full-Stack Developer to assist with an upcoming website development project. The ideal candidate will possess extensive experience in modern web technologies such as React, Next.js, Vue, or Angular, alongside strong backend proficiency in Node.js or PHP. Effective communication in English is essential, as participation in a brief interview call to discuss project specifications is required. We offer competitive remuneration above market standards, potential for long-term collaboration, and a supportive environment with clear requirements. If you excel in both technical skills and communication, we invite your application.

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Business Development Manager for a gas and plumbing business

hire a Business Development Manager help with lead generation, partnerships, marketing strategy, or expansion. Growth Manager – Plumbing Services Customer Acquisition Manager in london Market Development Manager Revenue Growth Manager Go-To-Market Manager (Plumbing) in london uk based company only

Full Stack dev Python/ ReactJS for AI Documentation dashboard

Description Experience Level: Expert Estimated project duration: Ongoing Full Stack Developer - AI in Healthcare Project - 0-15 hours per week to strengthen our innovative start-up team. In this position, you will play a key role in the further development of our AI-based software product and work closely with our senior developer. Your core tasks: - Further development of our Flask-based backend architecture - Design and optimisation of the ReactJS frontend interface - Implementation of DevOps practices to improve deployment - Contributing to the redesign of our database structure - Testing and developing the proof of concept for our AI software product - Scaling product usage and performance optimisation Your profile: - In-depth experience in Python development, especially with Flask - Comprehensive knowledge of ReactJS and modern frontend development (OPTIONAL ) - Familiarity with AWS services, especially EC2 - Experience with DevOps tools and practices - Knowledge of VM/US engine technologies is an advantage - Structured and efficient way of working - Proactive communication and teamwork skills Desirable: - German language skills (working language is English) - Experience in developing or improving AI products

WP 260115 - Wordpress/Elementor Developer/Admin/AI eCommerce

We seek a proficient WordPress/Elementor Developer to collaborate on our eCommerce project over ten half days, within a budget of 30€. The successful candidate will demonstrate expertise in WordPress, WooCommerce, and AI tools. Candidates must possess their own URL to showcase their capabilities through a basic draft homepage that aligns with our project's green themes, incorporating three fixed menus and a presentation space. This project may be repeatable up to four times based on mutual satisfaction. Please submit your URL and a brief demonstration of your skills for consideration. Plz, see also https://www.expotv1.com/UoW_wp.html;

Full Stack Laravel + React Developer (AI Tools Experience)

Project Summary: We have an existing sustainability tracking platform (materials, emissions, transport data etc). We need a developer to continue development, extend features, and maintain the platform. Required Skills: PHP Laravel (mandatory) React (mandatory) MySQL (mandatory) AWS deployment experience Git workflow Experience using AI-assisted development tools (Replit AI + OpenAI Codex/GPT) Nice to Have: Experience with carbon emissions or supply-chain data Dashboard development REST API experience Expectation: Work on backend APIs, React UI, MySQL data models, and AWS deployment. Must be able to work independently and use AI tools for faster development. Please share: :heavy_check_mark: Portfolio or GitHub :heavy_check_mark: Relevant Laravel/React work :heavy_check_mark: Availability + hourly rate

Blockchain Full stack developer

## Tech Stack - **Blockchain**: Solidity, Polygon (MATIC), Ethereum - **Development**: Thirdweb SDK, OpenZeppelin contracts - **Tools**: Hardhat/Truffle, Remix IDE, MetaMask - **Testing**: Chai, Mocha, Waffle - **Deployment**: Thirdweb Deploy, Polygon Mumbai/Mainnet ## Key Responsibilities - Develop and audit Solidity smart contracts for lottery mechanics - Implement secure random number generation for winner selection - Build gas-optimized functions for ticket purchasing and prize distribution - Create admin functions for lottery operators (draw, refund, commission withdrawal) - Integrate OpenZeppelin security standards and access controls - Deploy and verify contracts on Polygon network - Collaborate with frontend team on Web3 integration ## Smart Contract Features You'll Build - **Ticket Management**: Purchase validation, quantity limits, price calculations - **Random Winner Selection**: Secure randomness using block hash and timestamp - **Prize Distribution**: Automated winnings calculation and withdrawal system - **Commission System**: Operator fee collection and withdrawal mechanisms - **Refund Logic**: Automatic refunds for expired draws - **Access Control**: Role-based permissions for operators and users - **Event Logging**: Comprehensive event emission for frontend integration ## Required Experience - **4+ years** Solidity development experience - **3+ years** smart contract deployment on mainnet - **Expert knowledge** of Ethereum/Polygon networks and gas optimization - **Production experience** with OpenZeppelin contracts and security patterns - **Strong understanding** of DeFi protocols and tokenomics - Experience with Thirdweb or similar Web3 development frameworks - Knowledge of smart contract testing and auditing practices ## Technical Requirements - Write secure, gas-efficient Solidity code following best practices - Implement proper access controls and security modifiers - Handle edge cases and error conditions gracefully - Optimize contract size and gas consumption - Write comprehensive unit and integration tests - Document contract functions and deployment procedures - Conduct security reviews and vulnerability assessments

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Looking for a developer experienced in HTML5, JavaScript

I am looking for a senior developer with proven experience in HTML5, JavaScript and Phaser 3 to build a complete 2D arcade game playable directly in the browser. The project must be lightweight, modular and fully compatible with desktop and mobile. Core features include player movement, jump, attack, hitbox, enemies with simple AI, item and coin collection, multiple levels, progression, a final boss, Game Over screen and local save data. Web3 integration is mandatory. The game must include wallet login on Solana and Polygon using Metamask, Phantom and TrustWallet, with support for NFT ownership reading and unlocking bonuses, skins or items based on NFTs in the wallet. No smart contract development is required only reading and verification. The technical stack must be Phaser 3 or HTML5 Canvas with clean, modular JavaScript, full source code included, and a clear, extendable structure. Compatibility with Chrome, Firefox and Safari is required. I will provide the game concept, character artwork, NFT bonus logic, level structure, UX flow and visual references. Budget: 300–350 USD fixed. To be considered, the developer must provide real, verifiable examples of HTML5 or Phaser work and demonstrate basic Web3 experience. A playable demo is required before any collaboration. The demo can be an existing project, a past work, or a small technical sample. It does NOT need to be related to my game. This requirement exists to verify technical ability not to request free work. Only developers who can deliver clean, testable, browser‑ready code will be considered. If you cannot provide verifiable proof of your skills, please do not apply.

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Developer Needed to Build SaaS Platform

We are a London-based digital product studio developing a new SaaS web platform and are looking for an experienced Full-Stack Developer to join us on a project basis. This is not a simple website build — the platform will include user accounts, subscriptions, dashboards, and real-time business workflows. We already have a clear product concept, user flow, and structure — now we want a professional developer who can help us design, architect, and build the MVP properly from day one. If you enjoy building clean, scalable platforms and want to work with a motivated founder team, we’d love to hear from you.

Survey Data Analysis, Reporting & Dashboard Development

I am looking for a skilled Data Analyst / Monitoring & Evaluation (M&E) specialist to support the analysis and reporting of survey data collected for an NGO-style project. The scope of work includes cleaning and validating datasets collected through tools such as KoboToolbox, performing statistical analysis, and producing clear, well-structured reports to support evidence-based decision-making. Key responsibilities include: Cleaning and validating raw survey data (Excel / CSV format) Conducting descriptive and basic inferential statistical analysis Producing summary tables, charts, and visualizations Developing an Excel or Power BI dashboard to track key indicators Writing a concise analytical report (Word/PDF) with findings and recommendations Deliverables: Cleaned and well-documented dataset Analytical report (5–10 pages) Dashboard (Excel or Power BI) Summary of key insights and recommendations Tools preferred: Excel, R or Python, Power BI, KoboToolbox The project is suitable for a freelancer with experience in data analysis, survey research, and M&E reporting. Clear communication, attention to detail, and adherence to deadlines are essential.

Bug Fixes in React Web App, Experienced Developer Needed

I need an experienced developer in React, Redux and has great skills in custom hooks and bug fixing. Contact me so that i can share further details.