AI-native React Native Engineer (freelance)

Shape the future of software with Witted Witted matches top-tier software and tech talent with the most ambitious projects in the market. We’re now looking for experienced AI-native React Native Engineers to join our client projects as freelancers through Witted Partners. You’ll get to work on impactful client projects on competitive terms, as part of a community of top experts. We’re looking for AI-native React Native Engineers for two client projects Our clients in cybersecurity and retail industries are looking for new consultants to join their teams. If you have around 7+ years of relevant work experience, ideally including previous consulting experience with large Finnish organizations, and client references that wow us - check out the details of these projects below and apply. 1.project: New product development in cyber security Our client in the cyber security field is extending its product family. The new product builds on a recently completed greenfield platform and reuses its guidelines, best practices and native integrations. You’ll be the frontend-focused RN engineer in a small team, working closely with design and backend to make sure the product is built well. Part of the project is greenfield, so the pace is fast and the concept is iterated daily. Start: as soon as possible Duration: until the end of year, extension possible Language: English, and ideally also Finnish Location: Helsinki, on-site 4-5 days per week What we expect from you: Strong React Native experience, including the ability to advise on architecture Strong AI-native development skills using Claude Strong TypeScript / JavaScript experience Some understanding of iOS and Android development Some knowledge of Node.js on the backend A proactive team player who wants to work closely with backend and design Excellent communication and people skills A startup mentality and experience from greenfield or new product development / 2.project: Grocery shopping app in retail A large retail client is looking for a senior level RN Engineer to join the product area that builds the customer apps for their grocery business. The main focus is the mobile app of their online grocery store, but there’s web and backend work too. You’ll take a strong role in product development and technical improvements and actively spar the team on how it works. Start: December 2026 or January 2027 Duration: approximately 6 months, extension likely (3-month contract periods) Language: English, and ideally also Finnish Location: Helsinki, at least 2 days per week at the office (more at the beginning) What we expect from you: Extensive, senior-level experience in React Native mobile development, plus fullstack skills for the occasional web and backend work A track record of taking on and solving technically demanding problems Experience with the stack: React Native & Expo, React, Next.js & OpenNext, Playwright, GraphQL & Node.js, AWS Used to AI-assisted development and able to help the team improve its AI-assisted coding practices (current tools: GitHub Copilot and Amazon Kiro) Willingness to actively spar the team on its ways of working Nice to have: proven results in e.g. improving React Native app performance or developing test automation The path to joining our network: Send us your application. We’ll review it, and if everything looks good, we’ll invite you for a chat. Let’s get to know each other through a remote meeting. Inviting you to our network, setting up your profile in our internal system and working on a project specific CV together. Introduction to the client: we’ll introduce you to the client and support you through their interview process. Welcome aboard: once the project is confirmed, we’ll sign a freelance agreement together. This is where our journey begins - join us!