Back End Developer
12 hours ago
Paris
Backend Engineer (Golang) — 3-Month Contract | Onsite in Paris Duration: 3 months (with possible extension) Location: Onsite – Paris, France Rate: Up to €400 per day (depending on experience) Start Date: Immediate We’ve partnered with a fast-growing European tech company in Paris building secure, large-scale digital communication and user verification infrastructure used by millions globally. They’re looking for a backend-focused Golang Engineer to join their team onsite for an initial 3-month contract (renewable). This role is strongly backend-oriented, with minimal frontend involvement. Role Overview As a Backend Engineer (Golang), you’ll design and build high-performance backend systems powering secure, large-scale platforms. You’ll focus on scalable APIs, distributed services, and infrastructure reliability in a production environment serving global users. Frontend exposure (React) is helpful but secondary — this is a backend-first role. Key Responsibilities • Design, build, and maintain backend services and APIs in Golang (primary focus)., • Develop scalable, high-performance systems with strong emphasis on concurrency and clean architecture., • Optimize system performance, reliability, and security., • Work with Node.js services and integrate with distributed systems., • Write clean, modular, well-tested Go code., • Participate in architecture discussions, code reviews, and sprint planning., • Troubleshoot production issues and improve backend observability and resilien