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Opis oferty

Senior Python Engineer w Warszawa, Polska

SQUARE ONE RESOURCES sp. z o.o.

  • KontraktUmowa czasowa lub freelancing

130,00 – 170,00 zł

Warszawa, Polska

Your responsibilities

  • Design and ship backend services, APIs, data flows, and background processing for production systems.
  • Turn vague requirements into concrete technical plans, trade-offs, and execution.
  • Own services after launch: reliability, observability, performance, and incident follow-through.
  • Instrument what you ship and use production signal to iterate.
  • Make sound decisions around system boundaries, data models, interfaces, and scaling paths.
  • Work closely with product, frontend, and platform engineers to deliver end-to-end outcomes.
  • Improve engineering leverage with AI tooling, automation, and internal workflows.
  • Raise the quality bar through code review, design review, and pragmatic technical leadership.

Our requirements

  • Strong senior-level backend engineering experience in production systems.
  • Strong Python skills and the ability to design clean, maintainable backend code.
  • Good distributed systems judgment: concurrency, failure handling, data consistency, async work, and service boundaries.
  • Hands-on experience with cloud infrastructure such as AWS, GCP, or Azure.
  • Comfort with database schema design and performance tuning for real-time and high throughput scenarios.
  • A security-conscious approach to engineering: handle sensitive data carefully and consider security implications.
  • Ability to go from problem statement to design to production rollout with real ownership.
  • Clear written and verbal communication.
  • AI-native working style; already use AI tools in daily engineering workflow.

Optional

  • Experience building agentic systems: AI agents, tool-calling, orchestration, retrieval, or LLM-backed infrastructure in production.
  • Working knowledge of TypeScript or the ability to contribute across the stack when needed.
  • Experience shaping technical direction for other engineers, even without formal management responsibility.

What we offer

  • High level of autonomy and real impact on technical decisions
  • Career growth in system design and architecture
  • Collaboration within a small, experienced engineering team
  • Opportunity to develop AI-native engineering practices
  • Medicover
  • Medicover Sport
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