About this role
Backend Engineer at Upfront. Location: Rotterdam, Zuid-Holland, Netherlands. Role: building backends, integrating applications, designing architecture Requirements: 3–7 years software engineering experience, backend-first with full-stack capability; experience with scalable systems, AI-agents, startups/scale-ups; strong portfolio and collaboration with business. Category: Software Development Seniority: Mid Level Tools: Python, NodeJS, GCP, Docker, CI/CD, LangChain, NextJS Commitment: Full Time, Contract Workplace: Onsite Languages: Dutch