Synthflow AI is an enterprise AI agent platform that unifies customer operations across voice, chat, and messaging. Our agents handle routine interactions at scale so teams can focus on high-value work.
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Over 20M hours of operations automated
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60% more calls answered vs. non-AI operators
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150M interactions handled, 99.99% uptime
Backed by Accel, Atlantic Labs, and Singular. Trusted by 1,000+ customers. Recognized as one of the most promising companies in Germany.
About the role:
We’re looking for a Senior Python Engineer to craft reliable, production-ready software and backend systems, with a strong emphasis on databases, scalable APIs, and engineering fundamentals.
Your responsibilities will include:
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Develop and maintain our backend infrastructure, focusing on scalability, performance, and reliability.
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Design and evolve data models and persistence layers with a strong focus on PostgreSQL and database best practices (schema design, migrations, query performance, indexing, transactions).
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Build and maintain enterprise-grade APIs (e.g., FastAPI), including versioning, authentication/authorization, and observability.
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Engage in pair programming to improve code quality and collaboration.
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Manage deployments and environments using Kubernetes and GitOps practices (ArgoCD).
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Conduct code reviews, providing constructive feedback and upholding best practices.
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Contribute to product delivery end-to-end, including occasional work on front-end features when needed.
You have:
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5+ years of experience as a Python developer, shipping production systems.
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Strong experience building scalable and extensible data infrastructure.
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Deep familiarity with relational databases, especially PostgreSQL (performance tuning, migrations, transactions).
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