Senior Backend Engineer (Python)

Nasze wymagania: At least 5+ years of experience in software development Strong proficiency in Python; experience with other object-oriented languages is acceptable Experience designing, implementing, and maintaining external-facing APIs and service integrations Experience with AWS-based infrastructure, including compute and networking primitives (e.g., Lambda, EC2, IAM, VPC) Strong SQL skills and experience working with relational databases; PostgreSQL preferred Familiarity with schema design, migrations, and query optimization Experience writing automated tests and maintaining CI/CD pipelines Experience operating services in cloud environments, including deployment, monitoring, and debugging in production Solid understanding of backend system design, including scalability, reliability, and performance tradeoffs Mile widziane: Experience with distributed systems and service-to-service communication Experience working with LLMs, generative AI APIs, or ML-backed services O projekcie: The company is building AI infrastructure for commercial insurance underwriting, replacing fragmented, manual workflows with production-ready intelligence. The team brings experience from leading technology companies and is backed by top-tier investors. The product is already delivering measurable improvements for insurers operating at scale. Zakres obowiązków: Design, implement, and maintain external-facing APIs that support customer-facing and partner-driven workflows Build and evolve backend services that integrate with third-party platforms and data sources Own API endpoints end-to-end, from data modeling and business logic through deployment and production support Improve database schemas, queries, and data access patterns to support performance and scale Translate product requirements into reliable, testable backend functionality Investigate, debug, and resolve issues affecting customer integrations and production systems Monitor and optimize service performance, reliability, and cost in a cloud environment Collaborate with engineers across backend, frontend, data, ML, and infrastructure to deliver scalable platform features Contribute to architectural decisions that improve the maintainability and extensibility of the platform as it grows