Senior Full-stack Software Engineer (Integrations)

We are looking for a Senior Full-Stack Engineer to join the Integrations team at DataSnipper. The Integrations team builds connectors for ERPs, accounting systems, and general ledgers. You will work across the stack: C#/.NET, TypeScript/React, and Python for AI-powered services.

• Build and maintain connectors and services in C#/.NET, TypeScript, and Python
• Design data models and mappings that turn each source system's schema into a consistent shape
• Own new connector integrations end to end: research API and auth, build connector and agent tools, test against real customer data, support after launch
• Build tooling and observability to keep connectors reliable as source systems change APIs
• Implement authentication and data handling controls that meet customer security expectations
• Write robust, well-tested, production-ready code (unit, integration, end-to-end tests)
• Participate in code reviews as both author and reviewer
• Participate in on-call rotation
• Use AI-assisted engineering effectively and responsibly
• Partner with product managers, designers, ML engineers, and QA to refine requirements and ship features
• Break down stories, estimate work realistically, and deliver against sprint commitments
• Contribute to technical design discussions and propose pragmatic solutions

• Minimum of 5 years of experience building applications using a modern stack built with .NET
• Hands-on experience with TypeScript and a modern front-end framework
• Proficiency with AI-assisted engineering tools
• Experience with relational and document-based databases
• Strong experience building, deploying, and maintaining APIs
• Experience with Azure and Docker is required
• Knowledge of Event-Driven Architecture and DDD principles
• Passionate about high-quality coding standards and testing of code
• Entrepreneurial mindset with ability to work in a scale-up environment
• Strong communication and collaboration skills in English
• Nice-to-have: Experience building or integrating with AI agentic applications in production (LLM orchestration, RAG, evals, prompt engineering)
• Nice-to-have: Experience with document processing (OCR, PDF extraction, Azure Document Intelligence, layout parsing)
• Nice-to-have: Domain experience in audit, accounting, or fintech
• Nice-to-have: Exposure to Event-Driven Architecture and Domain-Driven Design principles

• Being part of one of the fastest-growing scale-ups in the Netherlands
• Make an impact by disrupting the audit industry
• 28 vacation days
• Excellent salary
• Pension plan
• Stock participation plan
• Hybrid work (Amsterdam-based)
• International team and environment
• Daily lunch
• Mental health support (OpenUp)
• Social events and team activities