Introduction36 hours per weekStart: 24 August 2026Duration: 31 December 2026Extension is possibleHybrid way of workZZP is not allowedRelocation is not allowedJob descriptionYou build and evolve the payment infrastructure behind one of the Netherlands' most-used apps with 11M+ users, real transactions, zero margin for error.As a senior engineer, you design end-to-end: from architecture and solution design to deployment and continuous optimization. You influence technical direction, raise the bar on engineering quality, and help fellow engineers grow. The work spans frontend and backend, with a strong focus on cloud-native resilience and scalability in a regulated payments environment.We build on AWS. We ship on GitHub. We use AI-assisted development not as an experiment but as standard practice.RequirementsYou have:— Senior-level experience in large-scale digital products or platforms— Payments domain experience: processing, transaction flows, PSD2, acquiring, gateways and/or wallets— Deep experience designing microservices architectures in production— Strong AWS hands-on: CloudFormation, ECS, Lambda, DynamoDB, SNS, SQS— Proficiency in TypeScript, Node.js, React, Java/Spring Boot, AWS CDK— Experience with Agentic Engineering or AI-native development practices— Day-to-day use of GitHub Copilot or comparable AI coding tools in a professional team— GitHub Actions and AI-assisted delivery workflows as part of your standard process— Background in banking and/or fintech Who you areYou challenge assumptions, drive improvement, and communicate clearly with both engineers and stakeholders. You're not looking for a safe role; you're looking to shape something important that will make an impact on society.

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Senior AWS Cloud Engineer