Senior Full Stack Developer React & .NET Core

About the Role

We are seeking a highly experienced Senior Full Stack Developer with deep expertise in React on the frontend and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, and a solid understanding of capital markets—particularly in credit risk and market risk domains. Experience with Python (pyspark)for data-driven workflows and a strong command of CI/CD,microservices, and event-driven architectures is essential.

Required Skills & Experience

Domain Knowledge

• Understanding of capital markets, specifically:
• Credit risk(PD, LGD, EAD, credit exposure modeling, counterparty risk).
• Market risk(VaR, sensitivities, stress testing, pricing concepts).
• Familiarity with regulatory frameworks (e.g., Basel, FRTB, IFRS9) is a strong advantage.

Offer:

• Location:Poland, remote + equipment pick up in Warsaw/Wrocław
• Zatrudnienie:przez apreel na zasadach B2B
• Start:asap
• Rate:up to 155 zł netto/ h

Technical Skills

• 10+ years of professional software development experience.
• Front-end:
• Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, hooks, and modern UI patterns.
• Back-end:
• Expertise in C# .NET Core, C#, REST APIs, Web APIs, and microservices-based development.
• Python (pyspark):
• Hands-on experience with distributed data processing, data pipelines, and analytic transformations.
• Power BI:
• Extensive experience developing dashboards, data models, DAX calculations, and enterprise-grade BI solutions.
• Strong understanding of data modeling, performance tuning, and governance in Power BI.
• Architecture:
• Strong knowledge of microservices,API design,event-driven architectures, and distributed systems.
• DevOps / CI/CD:
• Experience with Azure DevOps, GitHub Actions, Jenkins, or similar.
• Strong understanding of automated builds, testing, deployment, and monitoring.
• Cloud Platforms:
• Experience with Azure or AWS(Azure preferred).
• Databases:
• Proficiency with SQL Server, PostgreSQL, or other relational databases; NoSQL knowledge a plus.
• Containerization:
• Experience with Docker, Kubernetes, container orchestration.

Soft Skills

• Strong analytical and problem‑solving abilities.
• Excellent communication skills and ability to interact with technical and non-technical stakeholders.
• Collaborative, agile mindset with experience in Scrum/Agile environments.
• Ability to work independently and lead technical solutions end‑to‑end.

Remote work