Senior AI-Native Fullstack Engineer (m/w/d)

Overview

Job description We are building modern, customer-facing software for the temp-staffing industry, integrating capabilities from multiple ERP systems and countries into reliable applications, workflows, services, and reusable platform components. We are looking for a product-minded senior fullstack engineer who can turn ambiguous business requirements and complex existing systems into production-gra

What you'll do

• Job description We are building modern, customer-facing software for the temp-staffing industry, integrating capabilities from multiple ERP systems and countries into reliable applications, workflows, services, and reusable platform components.
• We are looking for a product-minded senior fullstack engineer who can turn ambiguous business requirements and complex existing systems into production-grade backend services, APIs, integrations, internal tools, and intuitive user interfaces.
• TypeScript is central to our technology landscape.
• Experience with .NET and C# is strongly valued, while engineers with a background in strongly typed languages such as Java are also welcome.
• Comfort working across different stacks and languages is essential.
• AI and LLM tooling are central to how we work.
• You should use AI-native workflows to explore faster, build in parallel, validate assumptions, and ship high-quality production solutions.
• You should care about correctness and maintainability, understand integration and business edge cases, choose simple and robust solutions, and own outcomes from exploration to production.
• Your tasks Fullstack Product Engineering: Build customer-facing applications, backend services, APIs, internal tools, admin interfaces, automation, job runners, and configurable workflows Backend & Domain Logic: Design maintainable services, APIs, business logic, asynchronous processes, validation rules, and reusable components Frontend Engineering: Build intuitive and maintainable user interfaces using TypeScript and modern frontend frameworks Integrations: Connect applications with ERP systems, internal platforms, external APIs, databases, queues, files, and third-party services Cloud & Production Ownership: Deploy and operate reliable cloud solutions, preferably AWS, owning monitoring, alerts, failure handling, security, performance, cost, and operational reliability Your profile Hands-on with Claude Code, Codex, and agent-based workflows; GitHub Copilot-style autocomplete alone is not enough Familiar with worktrees, subagents, MCP, structured prompts, harness engineering, parallelization, and validating AI-generated code and analysis to production quality Strong fullstack/backend experience, ideally with .NET and TypeScript Able to build production-grade services, APIs, scripts, tools, automation, and clean interfaces; comfortable with version control, r.

Requirements

• Practical experience with TypeScript, Go, Java, AWS.
• Relevant academic or project background for a Senior AI-Native Fullstack Engineer (m/w/d) role.
• Strong written and verbal communication in English.
• Comfortable working on-site in DE | München.

Skills