Senior Full-Stack Kotlin Engineer

Netherlands / Germany / Remote (EU)
For our client — a large international tech company building an AI-powered application platform

We are looking for a Senior Full-Stack Kotlin Engineer to join a fast-scaling AI-driven platform that enables automated generation and deployment of web applications.

Tech Stack

• Kotlin, Spring Boot

• PostgreSQL (multi-tenant), Neon

• GKE, Knative

• Terraform, Terragrunt, Helm, Flux

• gRPC, REST APIs, WebSockets, SSE

• React, TypeScript

• Microservices & distributed systems

What You'll Work On

Backend & Platform Engineering

• Design and evolve Kotlin/Spring Boot microservices

• Build scalable multi-tenant architectures (Postgres/Neon)

• Develop distributed systems on GKE & Knative

• Implement APIs (gRPC/REST), async processing & messaging

• Optimize performance and scaling

Full-Stack Development

• Develop dashboards, analytics, billing features

• Integrate React/TypeScript frontends with backend APIs

AI-Powered Development

• Improve LLM-based app generation pipelines

• Optimize templates, build flows & cost efficiency

Technical Leadership

• Contribute to architectural decisions

• Mentor engineers & conduct code reviews

• Collaborate cross-functionally across teams

Requirements

• 5+ years of commercial experience (Kotlin / Java)

• Strong understanding of scalable system design

• Experience with concurrency & clean architecture

• Interest or experience in AI-assisted development — a plus