Freelance Software Development Jobs

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.

Android Developer Needed for Testing & Production Access

Our Android app is fully developed and ready. We’re looking for someone to manage the Google Play closed testing process required to obtain production access. This role is not app development. We need someone to take ownership of the closed testing setup, tester management, and Play Console requirements and make sure everything is done correctly. Scope of Work: Set up and manage Closed Testing in Google Play Console Handle tester sourcing, invitations, and access Ensure all Google Play testing requirements are met Monitor the testing period and address any Play Console flags Guide us through the steps until production access is unlocked

urgent

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

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Full-Stack Mobile Developer for App (iOS & Android)

I am looking for a talented mobile app developer (or small agency) to build Pinvera, a community-driven social mapping platform. The app allows users to report and "pin" real-world social encounters to a map, categorized by specific archetypes (Karens, Chads, Legends, and Safety Warnings). The app features a robust moderation system and a gamified experience where users earn tokens, increase their trust score, and compete on a global leaderboard. Key Features & Functionality 1. User Authentication & Profiles Sign-up/Sign-in via Email, Google, and Apple ID. User profiles displaying "Trust Score," "Level," and "Total Tokens." Streak tracking (e.g., 0-day streak) to encourage daily engagement. 2. Interactive Map Interface (Core Feature) A real-time map view (Google Maps or Mapbox integration). Visual "pins" based on the category of the encounter. Filter system to toggle visibility of different pin types (Karen, Chad, etc.). "Current Location" centering and search functionality. 3. Encounter Reporting ("Add Pin") User-friendly form to submit encounters. Categories: Karen: Annoying or entitled behavior. Chad: Positive or funny encounters. Legend: Wholesome or helpful encounters. Warning: Scams, safety alerts, or warnings. Submission Details: Title, Description, Category selection, and Geo-location (automatic or manual). 4. Moderation & Pending System All submitted pins must go to a Pending Queue. Admin/Moderator capability to review, approve, or reject pins before they appear on the public map. A "Pending" tab for users to track the status of their submissions. 5. Gamification & Leaderboard Token System: Users earn tokens for approved pins. Trust Score: A leveling system (Level 1, 2, etc.) based on the accuracy and frequency of reports. Leaderboard: A dedicated "Board" tab showing top users ranked by Tokens, Trust, or Activity. 6. Categorized Feeds Dedicated tabs for "Karen Sightings," "Chad Encounters," "Nice Legends," and "Warnings." Feeds should include "Most Reported" trends for the week (e.g., "Most reported: Phone scams this week"). Technical Requirements Platform: Cross-platform development (Flutter or React Native) to ensure 100% feature parity on iOS and Android. Backend: Firebase (Firestore, Auth, Functions) or a Node.js/PostgreSQL setup. Geolocation: Deep integration with GPS and mapping APIs. UI/UX: I have existing high-fidelity wireframes/screenshots. The developer must be able to replicate the clean, modern aesthetic shown in the designs (rounded containers, soft shadows, and specific iconography). Timeline & Milestones Phase 1: Backend setup & User Authentication. Phase 2: Map integration & Pin submission logic. Phase 3: Admin Moderation panel & Pending flow. Phase 4: Gamification (Tokens/Leaderboards). Phase 5: QA Testing & Deployment to App Store/Google Play. How to Apply Please provide: Examples of previous map-based or social networking apps you have built. Your preferred tech stack for this project. An estimated timeline for an MVP (Minimum Viable Product).

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

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Senior React Native Developer (Mobile & Web)

Responsibilities Build and maintain high-performance React Native apps (Android-focused, some iOS). Design scalable mobile architecture and reusable components. Bridge React Native with native Android (Kotlin/Java) and iOS (Swift/Obj-C) code. Contribute to our React web app using React and Tailwind CSS. Collaborate with designers, product managers, and backend engineers. Ensure code quality, performance, testing, and CI/CD automation. Mentor developers and help define mobile best practices. Requirements 7+ years mobile development experience (5+ years React Native). Strong React Native internals and native module bridging experience. Solid Android expertise and working knowledge of iOS. Experience with React (web), Tailwind CSS, and modern front-end tooling. Familiarity with Redux Toolkit or MobX, REST APIs, and mobile performance optimization. Experience with CI/CD (Fastlane, GitHub Actions, Bitrise, or EAS). Strong Git skills, communication, and ownership mindset. Bonus E2E testing (Detox, Appium) and unit testing (Jest, Vitest). App Store / Play Store submissions. Expo, EAS, OTA updates, analytics, or SDK integrations.

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.

Convert DWG to Vertex / Create in Vertex

I have a .dwg file (attached) and need it recreated or converted in Vertex. The project involves accurately replicating the design using Vertex software. Please confirm if you have experience with Vertex and CAD/BIM modeling. Looking for precise work and timely delivery.

Urgent UK accountant to file LLP accounts (already done)

Hi, I need a UK account who knows how to submit LLP accounts and have the accurate software to do so. All prepared and ready to file. Thanks for your offers!

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.

Technical Communications Lead (Remote - Part-Time)

POSITION OVERVIEW: We are seeking a highly articulate Technical Communications Lead to support our senior engineering operations. This is a software engineer-level role where you will act as the primary technical interface for our client engagements, handling high-stakes interactions including technical interviews, system architecture discussions, and daily engineering stand-ups. RESPONSIBILITIES: - Attend and lead video/audio technical meetings (interviews, architecture reviews, and sprint syncs) as the primary representative. - Present complex technical updates and answer deep-dive engineering questions regarding system design, implementation, and performance. - Maintain a high standard of professional technical representation in all client interactions. - Collaborate closely with internal technical leads to ensure total alignment on implementation details and delivery status. - Ensure all communications follow U.S. business norms and professional software engineering standards. REQUIREMENTS: - 3-5 years of professional experience in Software Engineering or a related technical field. - Strong grasp of modern development lifecycles and engineering best practices. - Proficiency in discussing full-stack architecture, distributed systems, API design, and common tech stacks (e.g., React, Node.js, Cloud Infrastructure). - Exceptional verbal communication skills with a neutral or professional U.S./International accent. - Professional appearance and a quiet, professional remote workspace for video conferencing. - High level of reliability, punctuality, and responsiveness during U.S. business hours. - Ability to synthesize complex technical briefings and present them confidently to stakeholders. WHAT WE OFFER: - Competitive salary. - Flexible, remote work environment. - Opportunity to work with high-level international engineering talent. CONFIDENTIALITY: Due to the sensitive nature of our business operations, the successful candidate will be required to sign a standard Mutual Non-Disclosure Agreement (NDA). HOW TO APPLY: Please submit your resume along with a short video introduction (1-2 minutes) introducing your technical background and experience in professional communication.

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.