Full stack developer – clouddm (english)

Vacant; Rotterdam; On-site; EUR 190,000 - 230,000; Full time

Job summary

Vacant seeks a full stack developer to rebuild a business-critical mainframe application into a cloud-native, AI-driven platform using Python, Vue.js and PostgreSQL with a strong focus on security and auditability.

You will work across backend and frontend, contribute to DevOps in AWS/Kubernetes, and guide AI agents to achieve project goals. Start asap, finish 28-2-2027; 32–40 weekly hours; hourly rate up to €103 ex. VAT.

Qualifications

• Hands-on AI-driven software development experience, preferably with Spec-kit or intent-based development.
• End-to-end development experience for enterprise-grade applications (backend and frontend).
• Strong infra/DevOps knowledge with AWS and Kubernetes.

Responsibilities

• Rebuild a business-critical mainframe application into cloud-native architecture.
• Develop across Python, Vue.js, PostgreSQL and cloud infrastructure.
• Contribute to DevOps and security practices in AWS/Kubernetes environments.
• Instruct and direct AI agents to deliver correct results.

Skills

AI-driven development

End-to-end development

AWS & Kubernetes infra

Production environments

Hands-on experience

Tools

Spec-kit

GitHub Copilot

Claude Code

AWS Kiro

Claude agents

Kubernetes

Python

Vue.js

PostgreSQL

Job description

Job Description

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.

Qualifications

• 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

Additional Information

Start: asap

Finish: 28-2-2027

Weekly hours: 32 - 40

Hourly rate: max €103,00 excl. BTW