Senior Full-Stack Software Engineer

True North Ltd — Netherlands · Posted ~3 hours ago

Senior Full-time €5250-€6500

Skills

full-stack development frontend development backend development accessible UI development software modernization AI-assisted development Claude Code agentic workflows acceptance criteria automated testing runtime verification evaluation rollback strategies MCP

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Summary ✨ AI‑Generated

Join a senior engineering team modernizing a widely used knowledge platform. The role spans polished accessible interfaces and reliable backend systems, while using AI coding agents as a primary development collaborator. You will define requirements, orchestrate agents, design verification strategies, and own the quality of delivered outcomes.

Highlights

Strong senior compensation, flexible 32–40 hour schedule, full-stack ownership, and an AI-native engineering environment focused on modernization, experimentation, verification, and continuous learning.

Description

Senior Software Engineer | Delft | 32-40h | €5.250 - €6.500 | Hbo/Wo The Client 800+ colleagues, 11 offices, 10M+ users. 30+ years building service management software for education, healthcare, government & manufacturing. Now reinventing ITSM/ESM for the agentic era. The Role Senior Software Engineer building and modernising the Knowledge Base - a product used by millions daily. Full-stack: polished accessible UI one day, fast reliable back-end the next. This is NOT a traditional senior role with AI bolted on. You work with Claude Code as your primary collaborator - framing problems, orchestrating agents, and owning verification. You are part of the teams setting the AI-native operating model for the whole org. What you'll do: Ship product + legacy modernisation via agentic workflowsWrite briefs & acceptance criteria before invoking agentsCurate context: CLAUDE.md, subagents, MCP toolsDesign verification first: tests, runtime checks, evals, rollbackOwn the outcome - spot when AI output is architecturally wrongBuild reusable patterns, subagents & evals for the wider org Stack: Claude Code | Legacy: Java, MS SQL | Modern: TypeScript, Vue, Postgres, Azure, K8s, Terraform | Multi-agent workflows, shared prompt/eval libraries You: 5+ years Java, strong production engineerDaily hands-on agentic delivery - Claude Code / Cursor / Aider - you can show itExp. in at least one: TS/Vue, Postgres, Azure, TerraformStrong engineering judgement, testing & operational mindsetComfortable in ambiguity & legacy code Interested? Apply below.