About the Role
Our client is building a next-generation AI platform that powers large-scale, real-time voice AI agents. Their platform sits at the core of the business, orchestrating LLMs, speech recognition, text-to-speech, telephony, and business logic in ultra-low latency environments.
They are looking for a Senior Software Engineer with 5+ years of backend experience to help evolve and scale this platform. This is a hands-on engineering role with a strong focus on Python, while also requiring solid proficiency in Go. You'll work across the backend stack, helping address current capacity needs and pushing the platform toward enterprise-grade scale and reliability.
Responsibilities
- Design, develop, and maintain backend platform services with a strong focus on scalability, performance, and reliability
- Help break down an existing monolithic system into high-performance, well-owned services with stronger test coverage
- Push the platform toward being fully enterprise-grade, including observability, compliance, multi-region deployments, and robust deployment processes
- Build and maintain real-time AI orchestration pipelines, coordinating LLMs, ASR, text-to-speech, telephony, and business logic within tight latency constraints
- Improve developer experience and platform velocity by contributing to tooling and workflows
Requirements
- 5+ years of experience as a backend software engineer
- Strong, hands-on experience with Python in production environments
- Proficiency in Go, with the ability to work confidently across the backend stack
- Experience building and operating high-throughput, low-latency systems
- Strong understanding of backend architecture, APIs, and distributed systems
Benefits
- Competitive salary range of €100,000 - €140,000 plus equity
- Visa sponsorship and relocation support where applicable
- Opportunity to work on highly technical, real-time AI systems at scale
- Flexible work model: Hybrid (Berlin) or Remote (with quarterly travel to Berlin)