Senior Backend Developer

Job details

Work model

Not provided by source

Salary

Not listed by source

Location

Berlin

Job description

About the Role A fast-growing, Series A-backed AI search analytics company in Berlin is looking for a Senior Backend Developer to architect and build the systems that power its AI-driven recommendations platform. You'll work at the intersection of scalable backend engineering and cutting-edge AI integrations, collaborating closely with product, data, and frontend teams to deliver reliable, high-performance insights for marketing teams worldwide. Formal degrees or fixed years of experience are not required - demonstrated excellence and the ability to move fast are what matter most. What You'll Do • Architect and build backend systems powering AI-driven recommendations. • Design, implement, and maintain scalable APIs, data pipelines, and databases delivering reliable analytics insights. • Collaborate with product, data, and frontend teams to translate requirements into robust technical solutions. • Develop and maintain automated tests and CI/CD pipelines to ensure quality and rapid delivery. • Integrate with AI model APIs (OpenAI, Claude, Perplexity, Gemini, Llama) to support real-time recommendations. • Ensure security, authentication/authorization, and data privacy across backend services. • Implement end-to-end changes across backend services with clean, maintainable code. • Build and scale REST/GraphQL APIs and data models to support AI-driven product features. • Actively leverage AI-assisted developer tools (e.g. Cursor) to enhance productivity while keeping committed code concise and clear. What We're Looking For Required: • Deep proficiency in TypeScript. • Hands-on experience with the core stack: GCP (Cloud Functions, Cloud Tasks), PostgreSQL, Firestore. • Experience integrating with AI model APIs such as OpenAI, Claude, Perplexity, Gemini, and/or Llama for real-time use cases. • Strong system design and architectural decision-making abilities. • Experience designing and building scalable REST and/or GraphQL APIs, data pipelines, and data models. • Experience implementing automated testing (unit/integration) and CI/CD pipelines. • Solid knowledge of security best practices, authentication/authorization, and data privacy. • Ability to match the code style of an existing codebase and implement changes end-to-end. • Excellent collaboration skills across product, data, and frontend teams. • A demonstrated track record of exceptional performance or notable achievements in past projects. • Willingness to work on-site full-time in Berlin, including extended hours when needed. Compensation & Benefits • Salary: €75,000 – €120,000 per year, depending on experience. • Work at the cutting edge of AI and search analytics in a high-growth, well-funded startup environment. Location • Berlin, Germany - fully on-site, 5 days per week in the office. • Visa sponsorship is not available for this role. Find Jobs in Germany on Arbeitnow

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