Full Stack Developer – CloudDM (English)

Kpn

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Rotterdam, ZH, Netherlands Full-time Posted 3d ago

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As a full stack developer, you'll help rebuild a business-critical mainframe application, with AI-driven development as the starting point. You'll work across both back-end and front-end, and actively help shape the infrastructure the new environment runs on.

Help build the CloudDM application with feature parity to the existing mainframe DM application
Apply AI-driven, intent-based development (e.g. via Spec-kit or a comparable approach)
Work with GitHub Copilot combined with Claude Code, AWS Kiro and Claude agents
End-to-end development in Python, Vue.js and PostgreSQL
Contribute at infra and DevOps level within a cloud-native environment (AWS, Kubernetes)
Work within an environment with high standards for quality, auditability and enterprise security

Must-have

Extensive, demonstrable hands-on experience with AI-driven software development, preferably with Spec-kit or intent-based development
Experience with end-to-end development of enterprise-grade applications, both back-end and front-end
Solid knowledge of infra and DevOps, with a strong understanding of AWS and Kubernetes at infra level
Demonstrable experience with production environments (development and DevOps), at least on medium-sized projects
A formal diploma is not decisive: hands-on experience and proven ability weigh more heavily

Nice to have

AWS and/or Kubernetes certification
Knowledge of enterprise security and experience following up on findings
Experience with Python, Vue.js and PostgreSQL

Competencies

Independent and structured; able to instruct and direct AI agents in the right way of working
Resilient under pressure and results-driven within a project with a hard deadline
Quality-conscious, given the financial scale and the audit requirements (accountant/annual report) around the application

Apply before: 29th of september 16:00
Start: asap
Finish: 28-2-2027
Weekly hours: 32 - 40
Hourly rate: max €103,00 excl. BTW

Wil je meer weten? Neem contact op met onze recruiter Antoine van der Maas via 06 – 30167124 of [email protected].

Posted by Kpn on their own careers page — you apply directly, no recruiter in between. View original / apply →