Senior Backend Developer

About Zeven: Zeven is a well-funded startup revolutionizing the sports industry with AI-powered solutions. We are dedicated to unlocking human potential and redefining the sports experience through innovation and technology. We are building a brand new platform that requires a Senior Backend Developer to help shape our backend architecture.<p><p>Key Responsibilities:<p><p>• Lead and shape the backend architecture of our brand new platform.<p><p>• Design and implement REST APIs.<p><p>• Implement key application functionality involving maps and relational databases (PostgreSQL).<p><p>• Design and implement infrastructure using AWS and SST.<p><p>• Integrate backend systems with third-party services, including authentication providers, payment gateways, and messaging queues.<p><p>• Optimize backend system performance, scalability, and reliability.<p><p>• Work closely with engineering and product teams for seamless integration and deployment.<p><p>Requirements:<p><p>• 5+ years of experience in backend engineering, focusing on web application development.<p><p>• Proficiency in TypeScript, JavaScript, or Python.<p><p>• Knowledge of relational database management systems (e.g., PostgreSQL).<p><p>• Experience with RESTful API design and development.<p><p>• Strong command of DevOps practices, including CI/CD.<p><p>Nice-to-Have:<p><p>• Experience with cloud infrastructure (AWS), serverless computing, and high-performance clusters.<p><p>• Exposure to scalable web applications with a large user base.<p><p>• Familiarity with machine learning frameworks and tools, especially large language models.<p><p>Tech Stack:<p><p>• TypeScript for web (Node.js + Bun)<p><p>• Python for ML<p><p>• PostgreSQL (with PostGIS)<p><p>• React + TanStack (frontend)<p><p>• AWS and SST for cloud infrastructure.<p><p>• GitHub Actions for CI/CD.<p><p>What We Offer:<p><p>• Competitive salary and stock options.<p><p>• Pension plan bonus and 25 days of paid vacation.<p><p>• Modern office in Zurich with a fully-equipped kitchen.<p><p>• Top-notch equipment, including MacBook Pro laptops.<p><p>• Company outings and sport events.<p><p>Why Join Us:<p><p>• Be part of a well-funded startup revolutionizing the sports industry.<p><p>• Own a piece of the company with equity options.<p><p>• Work with a talented, multilingual team.<p><p>• Make an impact on products that reach millions of users.<p><p>• Opportunity for professional growth in a rapidly evolving company.<p><p>If you’re a motivated and experienced backend engineer with a passion for sports and technology, we’d love to hear from you. Please email your CV to alex@zeven.ai