Senior Backend Engineer We are looking for a Senior Backend Engineer to join the Identity & Access Management (IAM) team at DataSnipper!In this role, you'll be responsible for designing and building core platform systems that power authentication, authorization, and access across our entire product. You’ll play a key role in shaping the architecture of our platform and enabling other teams to build on top of it.You’ll also contribute to new initiatives such as usage and credit management systems, supporting our AI-powered product at scale.About DataSnipper:Audit and finance are still massively manual — and we’re changing that.DataSnipper is a $1B, bootstrapped unicorn with 600,000+ users across 180+ countries, already embedded in the daily workflows of top audit and accounting firms. Now, we’re taking things further with our Excel Agent — bringing AI directly into where the work actually happens.Unlike generic AI tools, we don’t sit on the sidelines. Our AI operates inside Excel, with access to real documents and audit evidence — meaning it doesn’t just generate answers, it does the work, with full traceability.We’re not just applying AI — we’re redefining how audit gets done. If you want to build something category-defining at scale, this is the place.What you will do:Design and build scalable, secure IAM (authentication, authorization, access management) platform servicesOwn and drive architecture decisions for backend systemsLead development of usage & credit management systemsWork across teams to enable identity and access flows across the platformEnsure high reliability, performance, and securityHandle ambiguous, high-level problems and turn them into structured solutionsCollaborate with stakeholders and communicate technical decisions and risks clearlyParticipate in an on-call rotation (second line after tech support)What you bring:7+ years of backend development experience (C#, Java, Python, TypeScript, etc.)Strong experience with cloud platforms (AWS or Azure)Proven track record of building scalable, reliable systemsExperience with system design and architectureStrong communication skills and ability to work across multiple stakeholdersBias to action and sense of ownershipAbility to work independently on complex and ambiguous problemsExperience with CI/CD pipelines and modern development practicesProficiency with AI-assisted development toolsWealth of experience around testing and various methodologiesPreferred Qualifications:Experience with Identity & Access Management systemsStrong understanding of security and authorization modelsExperience with microservices architectureFamiliarity with container services (e.g. Docker, Kubernetes)Experience working in platform teamsExperience working in startups or scaleupsWhat We Offer:Be part of one of the fastest-growing, profitable unicorn scale-ups in the Netherlands with a global impactEquity (Stock Appreciation Rights) to share the company's success and growthExcellent salary package, competitive for top tech talentPension plan with a 6% contribution on top of your base salary28 vacation days per year (full-time) to support your work-life balanceHybrid work model with at least 3 days onsite in our dynamic Amsterdam officeDaily, freshly prepared lunches by our in-house chef to keep you energizedParking and NS card for easy commuting to the officeAccess to continuous learning and development initiatives to grow your skillsEngage with a vibrant international team spread across five global officesCompany-wide events like DataSnipper GO where global teams come togetherAccess to OpenUp, a mental health and wellness platform supporting your wellbeingFriday drinks and various social activities are designed for team bonding and fun