About this role
Senior software Engineer, Internal tools at FLATPAY ApS. Location: Copenhagen, Capital Region, Denmark. Role: designing solutions, leading projects, mentoring engineers Requirements: 5+ years software engineering experience; strong distributed systems and backend platform skills; experience leading technical projects; proficiency with Java/Spring Boot, MySQL, TypeScript/React, Docker, AWS, CI/CD and observability. Category: Software Development Seniority: Senior Level Tools: Java, Spring Boot, MySQL, REST APIs, Event-Driven Architecture, Domain Driven Design, Docker, AWS, TypeScript, React, TanStack Query, Jest, Playwright, i18n, GitHub Actions, CI/CD, AWS ECS, Observability & Monitoring, Feature flags Commitment: Full Time Workplace: Onsite Languages: English