First Connect Insurance - Senior Back end Engineer (Poland, Remote)

• Architect Data Pipelines: Design and own the systems responsible for processing massive datasets from 130+ different carriers, ensuring high availability and reliability • Master Data Complexity: Build robust logic to handle various data configurations, ensuring accuracy in our crucial commission and platform features • Ensure Data Quality: Implement advanced patterns and monitoring to identify and resolve data quality issues before they impact the business • Scale Asynchronous Systems: Optimize our event-driven architecture to ensure seamless, real-time data processing at scale • Cross-Functional Ownership: Collaborate with Finance and Business teams to translate complex data requirements into scalable technical solutions • We might be a match if: • You have 6+ years of commercial experience with a heavy focus on backend systems and complex data processing • You have a data-heavy expertise: Proven experience in building systems that handle large, diverse datasets and complex integrations • You have technical Mastery: Proficiency with Node.js, TypeScript, NestJS, and PostgreSQL • You gained architectural Excellence: Strong background in asynchronous system architecture and a sharp eye for good design patterns • You have a Startup Mindset: High ownership and the ability to navigate ambiguity. We are looking for people who want to build and grow, not just maintain • You are based in Poland with flexibility for partial US time zone overlap • You’ll get extra points for: • Interest in mentoring others and stepping into a lead role • Advanced SQL & Optimization: Deep knowledge of PostgreSQL performance tuning, indexing strategies, and handling large-scale datasets • Recruitment process: • Our goal is to be thorough while respecting your time. • Send us your CV – it's the best way for us to get to know you. • Meet Karolina, our Recruiter for initial interview • Meet our team for a live coding interview • Talk with Michał, our Hiring Manager • Wojtek • ... and welcome aboard! 👋