N-iX is a global software development service company that helps businesses across the globe create next-generation software products. Founded in 2002 we unite 2400+ tech-savvy professionals across 40+ countries working on impactful projects for industry leaders and Fortune 500 companies. Our expertise spans cloud data AI/ML embedded software IoT and more driving digital transformation across finance manufacturing telecom healthcare and other industries. Join N-iX and become part of a team where your ideas make a real impact. Our client is a fast-growing European fintech company in the business spend management space - corporate cards and related financial products - serving SME and mid-sized business customers across the EU and UK in a regulated environment with GDPR compliance obligations. Engineering is organized into cross-functional squads with platform/enabling teams providing shared tooling horizontally. The client already runs an AI-native engineering practice Claude Code and GitHub Copilot are used daily supported by a growing library of shared versioned Skills embedded in key repositories enabling an end-to-end flow from ticket to implementation testing and PR in several codebases. AI tool/connector rollout follows an approved-list and pilot process. The client is AWS-first overall for data platform and analytics workloads it also runs GCP with BigQuery as the primary data warehouse. Day-to-day coordination is Slack-first with Linear for ticket tracking GitHub for code/PR review and Notion as the knowledge base. We're looking for a Senior Front-End Engineer who owns feature delivery end-to-end in React TypeScript and styled-components comfortable collaborating directly with product and design stakeholders. Key Responsibilities Own feature delivery end-to-end in React TypeScript and styled-components. Apply AI-native delivery practices across implementation testing and code review. Maintain design systems accessibility and component tooling (e.g. Storybook). Collaborate directly with product and design stakeholders. Multiply the output and quality of the squad you join and share patterns/practice beyond your immediate team so adoption compounds across the organization. Embed directly into a client squad as a hands-on Individual Contributor (not a coaching/managerial role). Must-Have Skills React TypeScript styled-components. AI-native delivery practices applied across implementation testing and code review. Design-systems experience and accessibility (a11y). Component tooling e.g. Storybook. Comfort collaborating directly with product and design stakeholders. AWS experience Nice-to-Have Skills HTML5/CSS3 We offer Flexible working format - remote office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program tech talks and trainings centers of excellence and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits not applicable for freelancers