Technology & Programming Projects

opportunity

WordPress site maintenance

I need someone to maintenance my eshop in Wordpress. I need someone who can make: - Regular updates (WordPress core, themes, plugins) - Security monitoring - Backups - Minor fixes - Basic performance check - If for some reason my website will be crash or is down to fix it. The price in the offer is per year...

Improvements of wordpress e-commerce

only who can guide me with zoom meeting - Fix mobile navigation overlap issue with cookies button and live chat button - Rebrand all Klaviyo emails/letters under “gottosei” branding - Setup customer signup and login system in the pages sections there a lot pages that need to be cancelled and leave only the one important Fixing incorrect redirects and links to proper pages - Check entire gottosei.com website for additional issues and fix them - Ensure full website branding consistency under “gottosei” name -mini cart design and color button -elementor pro plugin to set up well -other issues if come out

Accessories and 3D PRINTING

Seeking an experienced accessories and 3D printing specialist to manufacture and assemble a smart mobile phone/tablet carrier. Project details will be disclosed progressively upon NDA execution. Strong English communication is essential; identity verification such as passport or driving licence may be required. Comprehensive operating procedures, manufacturing documentation, and transcripts will be supplied. Testing of the finished product is required. PCB production is currently available for eventual integration. Reliable, detail-oriented professionals encouraged to bid just the carrier needed ATM and material required will be advised on winning bid.

Smart Contract Developer - Blockchain Defi APP

The future of Web3 starts with you — join us as a Blockchain / Web3 Developer! Requirements 3+ years of software development experience 1–2+ years of experience in blockchain, Web3, crypto, or DeFi projects Strong experience with Solidity and smart contract development in the EVM ecosystem Good understanding of Ethereum / EVM architecture, gas optimization, token standards, and smart contract security Experience with Web3 tools such as Hardhat, Foundry, Remix, MetaMask, Ethers.js, Web3.js, Viem Experience deploying and maintaining smart contracts on testnet and mainnet Knowledge of DeFi: AMMs, staking, lending, bridges, oracles, stablecoins, and liquidity pools Backend integration experience: APIs, indexers, event listeners, wallets, or transaction services Understanding of common blockchain security risks Experience with JavaScript, TypeScript, Python, Node.js, or similar backend technologies Familiarity with Git, CI/CD, testing frameworks, code reviews, and documentation Responsibilities Design, develop, test, and deploy smart contracts for Whitechain and Web3 products Build blockchain features for DeFi platforms, wallets, GameFi, and ecosystem tools Write secure and gas-efficient Solidity code Create unit tests, integration tests, and deployment scripts Integrate smart contracts with backend services, frontend apps, wallets, APIs, and blockchain infrastructure Review existing smart contract code and suggest improvements Support audits, security reviews, and vulnerability remediation Monitor deployed contracts and help resolve production issues Research new blockchain protocols, DeFi mechanics, and EVM improvements Contribute to technical documentation and best practices Nice to Have Experience with L1 / L2, rollups, bridges, validators, nodes, or RPC infrastructure Experience with audit tools such as Slither, Mythril, Echidna, Tenderly, or OpenZeppelin Defender Knowledge of The Graph, SubQuery, custom indexers, or blockchain analytics pipelines Experience with account abstraction, cross-chain protocols, or oracle integrations Open-source Web3 contributions or a public GitHub portfolio Understanding of tokenomics, staking, governance, or protocol economics Experience in fintech, crypto exchange, DeFi, wallet, or Web3 infrastructure companies If you are passionate about Solidity, EVM, DeFi, and building reliable Web3 products, we would be happy to hear from you.

opportunity

UK B2B Data Scraping Expert 2

We need a UK B2B data scraping expert to extract business contact details from public online directories. Target sectors: Construction and building contractors, car dealerships, solar and renewable energy companies, estate and letting agents, recruitment agencies, aesthetics and cosmetic clinics, mortgage brokers and financial advisors, double glazing and home improvement companies, plumbing, electrical and HVAC contractors, security companies, waste management and skip hire, dental practices and private healthcare, hotels and hospitality businesses, solicitors and law firms, personal injury and no win no fee solicitors, gyms and fitness studios, driving schools and training companies. Target criteria: UK limited companies only, nationwide, an estimated 10 or more employees or staff would be ideal but not essential. Data points required for each business: Business name which must be a Limited company Decision maker name where available Job title where available Mobile phone number beginning 07 Email address Website URL Facebook URL Industry The URL link where the information was obtained from online which must show the companies mobile phone number 1. Please state in your proposal how many records you can deliver and at what cost. 2. Please provide a small sample so we can see if the project has been understood. 3. Due to a high level of time wasters, please do not bid on this project if you cannot do it exactly as described in the project description as you will not be hired. Thanks

opportunity

COBOL Developer - Legacy System Migration Assessment (1 week)

We're evaluating a legacy COBOL system for a migration project and need someone who can review the existing codebase, document the business logic, and assess complexity. The system handles financial transaction processing. Looking for: Production COBOL experience (mainframe or distributed) Familiar with financial/banking/insurance systems Can document business logic from existing code Available this week This is a short assessment engagement.

opportunity

Robotics Localisation /SLAM for Small UAV Navigation Research

We are looking for a robotics localisation / autonomy expert to help us select and validate the right navigation architecture for a small UAV research platform. This is not a drone-pilot, mapping or photogrammetry project. We are looking for someone with hands-on experience in robotics localisation, visual odometry, visual-inertial odometry, SLAM, sensor fusion and UAV flight-stack integration. The initial project is a short technical sprint. You will review our current sensor stack, test data and operating assumptions, then recommend a practical localisation architecture that can be built and tested on low-cost hardware. Relevant experience includes: ROS2 PX4 or ArduPilot MAVLink / MAVROS / MAVSDK Visual odometry / visual-inertial odometry SLAM, including ORB-SLAM3, VINS-Fusion, OpenVINS, RTAB-Map or similar EKF / UKF / Kalman filtering Camera and IMU calibration Optical flow OpenCV Gazebo / PX4 SITL or similar simulation tools Raspberry Pi / Jetson-class deployment Flight-log analysis and trajectory validation The output should be a concise technical recommendation covering: Recommended localisation architecture Candidate algorithms to test Sensor and calibration requirements Data logging requirements Likely failure modes Simulation and field-test plan 30-day implementation roadmap Clear recommendation on what not to do The goal is to produce a practical, buildable roadmap for improving onboard localisation on a small UAV using visual, inertial and map-based cues. Please apply only if you have direct experience with robotics localisation, SLAM/VIO, sensor fusion or UAV autonomy. In your response, please include examples of relevant previous work and briefly explain which approaches you would consider for this type of UAV localisation problem.

Hambox Tech LTD.Co

We are looking for an experienced website developer to build a professional company website for Hambox Tech LTD.Co. The website should have a modern, clean, and responsive design that reflects our brand and services. We need a user-friendly layout with key sections such as Home, About Us, Services, Projects, Contact, and Careers. The ideal developer should have experience in custom website development, UI/UX design, mobile responsiveness, SEO optimization, and fast-loading performance. Knowledge of WordPress or modern frameworks such as React/Next.js is preferred. The project may also include contact forms, social media integration, basic animations, and admin functionality for content updates. We are seeking someone who can deliver a high-quality, scalable, and professional business website within the agreed timeline. Please share your portfolio and relevant experience when applying.

Senior Full stack developer

We work remote by default – focused, efficient, and with full ownership. For larger features, architectural decisions, and real brainstorming sessions, we come together in Berlin – fast, hands-on, and without unnecessary meeting overhead. We use AI to accelerate – not to replace thinking. We design the system, steer the output, and take responsibility for what we ship. Fast where it makes sense. Careful where it matters. Your mission You’ll join our UI Engineering team and take ownership of full-stack projects that power our adtech ecosystem. This isn’t just about coding – it’s about collaboration, technical ownership, and making an impact. Here’s what your day might look like: Build and maintain modern React frontends and Node.js APIs with TypeScript. Design and implement REST or GraphQL APIs that scale efficiently. Collaborate closely with backend engineers, designers, and product owners to translate requirements into elegant solutions. Write clean, maintainable, and well-tested code – with automated tests as a natural part of your workflow. Contribute to architecture decisions and best practices – we value opinions backed by experience. Your skills 5+ years of hands-on experience in full-stack JavaScript development. Deep knowledge of Node.js (framework e.g. Koa, Express or Fastify), TypeScript, React and modern web architectures. Solid understanding of relational databases (e.g. MySQL, MariaDB, PostgreSQL or SQL Server), including database design, SQL querying, and REST API development (GraphQL is a plus). A strong sense of code quality with mandatory hands-on experience in testing, including frameworks such as e. g. Jest, Vitest, or Node’s built-in testing framework – Clean design and automated tests are not optional. Bonus points for experience with: AWS, Jenkins, Grafana, Graylog, Confluence, Jira, Shell scripting

Fluent English-Speaking Web Developer Required

We’re a small software development company. Currently, we are looking for an experienced web developer who is fluent in spoken English. - Include a 2–3 minute Loom video link for self-introduction. Only proposals with a video will be considered. - Fluent English speaking skill (C1 level or higher) is essential. - Must have strong web development experience. If you’re interested in this position and confident in your skills, please submit your proposal along with a short self-introduction video.

opportunity

Basic Wordpress website 5 blank pages

Looking to set up a basic 5 page website without all the details as I can add those myself. I’m just looking for someone who can get me started with the basic structure of a website. No logos or branding required. Just a plain 5 page website to begin with. After that there may be further work required - it all depends how much time I have to do it myself.( I can do website development myself but am a bit rusty these days).

opportunity

Aggregation platform similar to Carslink.ai.

We are looking for an experienced developer or small team to build a vehicle search aggregation platform similar to Carslink.ai. The platform will aggregate vehicle stock from multiple independent car dealer websites using XML/JSON/API feeds and allow customers to search vehicles in one central website. Main requirements: Laravel backend preferred Vehicle feed/API integration Fast vehicle search system Dealer management panel Automatic stock syncing SEO-friendly vehicle pages Mobile responsive design Scalable architecture Important: This is NOT a standard classified website. Vehicles remain on dealer websites and our platform only imports/searches inventory and redirects traffic back to dealers. Please send: examples of similar projects estimated cost timeframe recommended tech stack Automotive marketplace or aggregation experience is a big advantage.

Implement a HTML code into my squarespace website.

I have built a new website with a HTML code but squarespace wont let me add or save it to my current website/domain. I just need someone who knows how to do this

Next.js Frontend Support

We’re currently expanding an existing web platform and are looking for a React / Next.js developer who enjoys improving real products rather than starting from scratch. The project is already up and running, which means you’ll be working on something tangible-refining the frontend, improving user experience, and helping shape features that are actively being used. This role is well-suited for someone who prefers clear, structured work over vague requirements. Tasks are defined in advance, expectations are realistic, and the focus is on steady, meaningful progress instead of rushed delivery. You’ll be improving UI components, enhancing responsiveness, and integrating with existing APIs, while also having the opportunity to contribute to new features as the platform evolves. We value developers who take ownership of their work, communicate clearly, and care about writing clean, maintainable code. If you’re someone who enjoys polishing details and making interfaces feel smooth and intuitive, you’ll likely find this project a good fit. Experience with Tailwind CSS, TypeScript, or performance optimization is a plus, but not a strict requirement. The engagement is expected to last around two months, with an hourly rate between $25 and $50 depending on your experience. Work is managed directly through the platform with clear task breakdowns, and there are no unpaid test assignments-just a straightforward, professional collaboration from the start.

Zoho Creator Developer Needed – Healthcare App

We are a small startup healthcare service looking for a reliable and cost-effective Zoho Creator freelancer to develop a simple custom operational application integrated with our existing WordPress website. The application is intended for internal healthcare workflow management and field staff operations. We prefer a clean, practical, mobile-friendly, and scalable solution suitable for a growing service-based organization. Requirements: • Experience in Zoho Creator • Experience integrating with WordPress • Mobile-friendly workflow development • Simple dashboard & reporting experience • Good communication and long-term support availability Preference: • /Healthcare/service industry workflow experience is an advantage • Cost-effective startup-friendly developers preferred Please share: • Similar projects completed • Portfolio/demo links • Approximate timeline • Estimated budget We are looking for practical and user-friendly solutions rather than complex enterprise systems.

Blockchain Development Guidance & Support

I am learning blockchain development and building a project step-by-step using tutorials and hands-on implementation. I seek a skilled, reliable Blockchain Developer to provide development support and mentorship. Current scope is fixed: bug fixes and integration assistance. Responsibilities include Solidity smart contract development and debugging, deployment and testing with Hardhat or Foundry, frontend integration using React/Next.js and ethers.js, wallet connection and transaction flows with MetaMask, resolving contract/frontend interaction issues, and offering code quality, best-practice, and security-focused recommendations.

SEO equipped website design

We need to develop a website, search engine optimized for online retail and Internet presence. You would design a fully functioning website with the cart on everything to run for sale. Credit card point of sale set up 5-7 pages Must be search engine optimized capability. If you do not know how to do such engine on the website do not respond. Fast, reliable, professional, fast turnaround, daily updates, Five days to complete this project

opportunity

App ready for finalisation

I am seeking an experienced React Native + Expo mobile app developer to assist with the final deployment and publishing stages of an already-developed mobile application. The application has already been built using AI-assisted development and the majority of the codebase is complete. I am specifically looking for someone experienced in mobile deployment, debugging, build configuration, and App Store submission workflows. Required Skills: * React Native * Expo / EAS Build * iOS deployment * Apple Developer / App Store Connect * TestFlight * Firebase or Supabase familiarity * Build debugging * Dependency management * Environment variable configuration * App signing / provisioning profiles Tasks May Include: * Reviewing existing codebase * Resolving build/dependency issues * Configuring EAS Build correctly * Preparing iOS production builds * Assisting with Apple Developer setup * TestFlight deployment * App Store submission support * Troubleshooting App Store review issues if required Important: * This is NOT a “build an app from scratch” project. * The app already exists and is functional. * Looking for someone efficient, technically strong, and experienced with modern React Native/Expo workflows. Please provide: * Examples of React Native / Expo apps you have deployed * Experience with App Store publishing * Your availability * Estimated hourly/project rate Long-term collaboration possible for future updates and maintenance.

A Full-Stack Developer for AI-Powered Review Management tool

We need a full-stack developer to help build Phase 2 of the product. Current stack: Next.js NestJS PostgreSQL Prisma OpenAI API Main responsibilities: Build AI-powered review analysis features Create clean mobile-first dashboards Implement review damage detection systems Build recovery tracking and analytics Improve frontend UX/UI Work with Google Business Profile APIs Requirements: Strong Next.js + NestJS experience SaaS dashboard experience AI/OpenAI integration experience Clean UI/UX skills Strong backend architecture knowledge. Task sheet attached so please quote after viewing the task sheet, thanks

N8n developer

Experienced n8n developer required for approximately 2 days of support to repair an integration between an e-commerce platform and an ERP system.