Senior Full-Stack Engineer

Senior Full-Stack Developer – React / Cloud / AI We are looking for a senior developer to join a modern digital development environment combining web and mobile development, cloud technologies, and AI-assisted software engineering. What we are looking for Solid professional experience building modern web applications with ReactStrong knowledge of Next.js and TypeScript, with a good understanding of contemporary frontend developmentHands-on experience developing mobile applications with React Native; Expo experience is a plusAbility to contribute to server-side development using Node.js and GraphQLPractical experience working with AWS cloud servicesUnderstanding of server-side rendering, web performance, and application infrastructureExperience using AI-powered development tools as part of everyday software engineeringAbility to contribute to technical decisions and work independently within a development team Experience with large-scale digital services, e-commerce platforms, or consumer-facing mobile applications is considered an advantage. Familiarity with tools such as GitHub Copilot, Copilot CLI, Amazon Kiro, or similar AI development solutions is also a plus. Technology environment: React, Next.js, TypeScript, React Native, Expo, Node.js, GraphQL, AWS Assignment: 100% | Start as soon as possible | Until the end of 2026 (with possible extension) Location: Helsinki, hybrid – approximately 2 days/week in the office Working language: English About IsoSkills IsoSkills is an IT consulting company that brings experienced technology professionals and leading organizations together. We provide our consultants with opportunities to work on interesting, challenging projects across software development, cloud, testing, project management and digital transformation. We focus on building long-term relationships with both our consultants and customers, and finding assignments where your skills and experience can make a real impact. We believe in matching experienced professionals with assignments where their skills and expertise can make a real impact. If you are an experienced developer looking for a new consulting opportunity in a modern technology environment, we would be happy to hear from you.