Backend Engineer, Node.js, TypeScript

This is a fully remote position, open to applicants in Europe.

📋 Description

• Develop and manage Node.js/TypeScript services supporting the Nexoya application

• Create the GraphQL API, integrate ad channels, and facilitate data ingestion

• Construct innovative LLM- and agent-based functionalities

• Take ownership of features from initial design through to production

• Deploy backend functionalities end to end on a Kubernetes-based Azure cloud platform

• Enhance the GraphQL API by establishing clear schemas and maintaining stable contracts

• Create dependable ad channel integrations and manage data ingestion using MySQL and RabbitMQ

• Develop AI-driven features such as the in-app assistant employing tool calling, retrieval, and structured outputs

• Implement evaluation, monitoring, and safety measures for AI functionalities

• Contribute to the evolution of the agent harness

• Elevate standards for testing, reviews, and documentation

• Engage in architectural decisions, conduct code reviews, and participate in rotating internal support duties

⛳️ Requirements

• Over 3 years of experience as a Backend Engineer specializing in Node.js and TypeScript

• Strong background in API design (GraphQL or REST)

• Proficiency with MySQL

• Familiarity with message brokers

• Experience deploying services using Docker, Kubernetes, and a major cloud provider, with a preference for Azure

• Enjoy engaging in written discussions regarding design trade-offs

• Commitment to writing maintainable code

• Proficient in English

• Bonus: Experience with ad platform APIs (Google Ads, Meta) or attribution systems

• Bonus: Involvement with AI or agent functionalities in production, including Anthropic/OpenAI APIs, MCP, or RAG

• Bonus: Knowledge in LLM evaluation or observability

• Bonus: Team experience with Claude Code or equivalent tools

• Bonus: Familiarity with data pipelines

• Bonus: Proficiency in German

🏝️ Benefits

• Direct influence on how enterprise marketers allocate their budgets

• Genuine ownership in a team that prioritizes engineering quality

• An authentic AI-first culture: experiment, automate, and share knowledge

• A transparent culture that promotes open dialogue

• Regular team-building events

• Strategy Days held twice a year where the entire team contributes to shaping the company's strategy

• Flexible remote work opportunities within the European Economic Area