Senior Backend Engineer (B2B SaaS Startup)

As a Senior Backend Engineer at traide AI, you'll play a pivotal role in building robust, AI-powered backend services and infrastructure that drives value creation for customers. Your main expertise lies in backend technology but you should not be afraid to contribute to other parts of the application.

What you'll do

• Own the end-to-end delivery of new features and improvements in our web application across the whole stack: shaping everything from technical design to production release
• Write both client-side and server-side code within our well-established codebases
• Analyse and communicate trade-offs in technical designs in RFC style discussions, drive decisions for your projects
• Be the backend expert in rotating project teams, give feedback on the contribution of other team members within your area of expertise
• Work alongside designers to shape user flows, evaluate feasibility, and improve interfaces and user experience
• Partner with AI engineers to bring cutting-edge research and prototypes into production-ready features
• Set and uphold high standards for code quality, architecture, and best practices within the team
• Share your expertise through code reviews, mentoring, and documentation — helping others level up and ensuring our knowledge grows as the team grows

What you'll need

• 7+ years of hands-on software engineering experience, ideally building complex products in dynamic environments
• Bachelor's degree (or higher) in Computer Science or a related discipline
• Deep proficiency in TypeScript, including advanced type-level programming
• Familiarity with synchronous and asynchronous communication patterns, HTTP APIs (REST and GraphQL), event-driven architecture, and common design patterns
• Solid database skills across both relational and non-relational databases such as Postgres and Redis or similar
• Hands-on experience with cloud platforms such as Google Cloud, and the services that typically come with them
• You embrace AI tools in your workflow and are driven to master emerging technologies
• Strong English skills (C1 or better); German is a plus but not required

Nice to have

• Curiosity about adjacent fields like DevOps, Security, Frontend development, AI Engineering etc.

What they offer

• Hybrid working: office at Senefelder Platz in Berlin Prenzlauer Berg/Mitte, with home office option two days per week
• Urban Sports Club membership
• Regular team events (boot trips, bowling etc.)