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Senior Backend Engineer (Python)
  • Warsaw
Senior Backend Engineer (Python)
Warszawa, Warsaw, Masovian Voivodeship, Polska
DevsData LLC
3. 3. 2026
Informacje o stanowisku

technologies-expected :


  • Python
  • AWS
  • SQL

technologies-optional :


  • Lambda
  • EC2
  • IAM
  • VPC
  • PostgreSQL

about-project :


  • 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.

responsibilities :


  • 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

requirements-expected :


  • 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

benefits :


  • remote work opportunities

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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