Responsibilities

  • Build and enhance frontend applications and backend services supporting treasury workflows.

  • Develop React/TypeScript single‑page applications and reusable UI components.

  • Design and implement ASP.NET Core REST APIs with scalable pagination and filtering models.

  • Optimize performance across the stack, including APIs, serialization, rendering, and large data grids.

  • Collaborate with business stakeholders, quant teams, and product managers to deliver user‑focused solutions.

  • Drive engineering best practices including code reviews, testing, CI/CD, and production support.

  • Investigate production issues and improve observability and platform reliability.

  • Mentor engineers and contribute to technical growth within the Warsaw team.

Requirements

  • 5+ years of software engineering experience building production systems.

  • Strong experience with C#/.NET ecosystem and ASP.NET Core.

  • Strong frontend experience with React and TypeScript.

  • Experience building REST APIs and handling large datasets efficiently.

  • Hands‑on experience with ag‑Grid, Highcharts, or similar UI/data visualization libraries.

  • Strong understanding of authentication, authorization, and serialization mechanisms.

  • Experience working with relational databases and performance optimization.

  • Strong communication skills and ability to work directly with business stakeholders.

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