Full Stack Developer – SitecoreAI Migration

About the role

Nish Tech BV is looking for a Full Stack Developer to support Elia Group in migrating an internal platform to SitecoreAI. You will work on modern web applications, ensuring they are secure, performant, and scalable while collaborating with architects, DevOps, and security teams.

Key responsibilities

• Migrate the existing platform to SitecoreAI.
• Develop, support, and maintain full‑stack applications.
• Conduct code reviews with a focus on performance, scalability, and security.
• Optimize performance through caching, database tuning, and CDN/WAF improvements.
• Enhance monitoring, logging, and alerting using Azure Monitor and Application Insights.
• Participate in SLA/OLA, incident, and change management processes.
• Document technical and security changes according to governance standards.
• Collaborate with architects, DevOps, IT Security, and project teams.

Required profile

• 1+ year experience with Python and FastAPI.
• 2+ years experience with React (Next.js a plus).
• 2+ years experience with Node.js (NestJS preferred).
• Experience with a Node.js headless CMS (TypeScript a plus).
• Cloud deployment experience and familiarity with CI/CD pipelines.
• Strong communication and collaboration skills.
• Bachelor's or Master's degree in Computer Science, IT, or equivalent.
• Fluent English; French or Dutch preferred.

Required skills

• Python
• FastAPI
• React
• Next.js
• Node.js
• NestJS
• TypeScript
• Node.js headless CMS
• Cloud platforms (e.g., Azure)
• DevOps
• CI/CD pipelines
• Azure Monitor
• Application Insights
• Caching
• Database tuning
• CDN
• WAF
• SitecoreAI (advantage)

What we offer

• Work on a digital transformation project for a leading European transmission system operator.
• Contribute to the energy transition with innovative, sustainable technologies.
• Collaborate with experienced architects, DevOps engineers, and IT security professionals.
• Gain hands‑on experience with SitecoreAI, cloud platforms, and enterprise‑scale web applications.
• Inclusive, collaborative workplace that values continuous learning and employee well‑being.
• Opportunity to be part of a diverse team committed to a greener future.