Technical Lead & Lead Architect responsible for developing scalable backend solutions. Working with AI technologies for a digital financing assistant in a leading fintech company.
Responsibilities
You are responsible for the architecture and technical target state of our serverless applications on AWS (Lambda, API Gateway, DynamoDB, S3)
You design and develop a scalable, secure backend architecture for our assistant products
You work hands-on on production backend services in Node.js/TypeScript (approx. 50–60%)
In the spirit of “You build it, you run it” you provision and operate infrastructure using Infrastructure as Code
You enjoy being 50–60% hands-on with the product
You develop our application full-stack (Node.js, TypeScript, React)
You create the technical foundation for AI-powered product features
You ensure quality, scalability, performance and security across the entire lifecycle
You work closely within the Product Trio (Product, Tech, Design)
You empower the team technically, provide engineering leadership to developers, and give clear direction
You use AI tools in engineering in a reflective and productive way (e.g., Claude Code, GitHub Copilot, ChatGPT Codex)
Requirements
Several years of experience as an Engineering Manager, Technical Lead, or Lead Architect
Expert knowledge of Node.js, TypeScript and React (experience with React Router, Redux and Material UI is a plus)
Solid, hands-on experience with AWS technologies (Lambda, API Gateway, DynamoDB, S3)
Experience with event-driven architectures (e.g., SQS, RabbitMQ)
Experience with Infrastructure as Code, ideally with AWS CDK
Strong architecture and system-design understanding for scalable systems
Experience coaching and mentoring developers
Strong product thinking and a high sense of ownership
Experience with security and compliance requirements in production environments
Experience designing and operating APIs, ideally also for agent- or LLM-based systems (e.g., MCP)
Very good German skills (at least C1) and professional English skills
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