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October 13, 2026

Staff Backend Engineer (Submission Processing)

Senior • Remote

588,165 - 725,403 PLN/yr

Warsaw, MA, Poland

Quick Facts

  • Role: Staff Backend Engineer (Submission Processing)

  • Focus: Backend systems for LLM-based submission processing in insurance

Description

You will design, build, and scale LLM-based systems that process billions of unstructured data points daily to extract precise information and surface insights for high-stakes insurer decisions. This Staff engineer role sits at the intersection of AI and backend engineering, with major ownership over architecture and technical direction under ambiguity.

Responsibilities

  • Design backend systems and make architectural calls under uncertainty

  • Build and scale LLM-based processing pipelines for large-scale, unstructured data

  • Take end-to-end ownership of outcomes with minimal oversight

  • Debug, improve reliability, and iterate based on measurable results

  • Collaborate proactively with stakeholders and keep them informed of progress and blockers

Requirements

  • 8+ years of software engineering experience

  • Strong system design, debugging, and problem-solving fundamentals

  • Proven experience with LLMs in production and deploying at scale

  • AWS and serverless experience (Lambda, EC2)

  • Experience with asynchronous workflows and cloud environments

  • Python proficiency (primary stack)

  • Relational database experience, ideally PostgreSQL

  • Comfortable experimenting (test, measure, iterate)

  • Proactive communication and strong ownership

  • Bonus: document pipeline experience and processing large volumes of data

Benefits

  • Competitive salary based on experience level

  • Significant equity options package

  • 20 days PTO per year

  • Global team offsites

  • Healthy living/gym stipend and mobile phone bill stipend

  • Continuing education credits

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