Fintech Backend Engineer - ASP.NET Core

Codespot PSA; Polska; On-site; PLN 90,000 - 140,000; Full time

Job summary

Codespot PSA is seeking an ASP.NET Core Developer to maintain and expand the backend components of a fintech platform. You will design APIs, build services, and collaborate with a seasoned team to deliver reliable, scalable software.

Ideal candidates have strong C#, ASP.NET Core, and Entity Framework experience, plus familiarity with PostgreSQL or MongoDB, Visual Studio, Git, CI/CD, and Docker. A passion for code quality and continuous learning is essential.

Qualifications

• Proficient in ASP.NET Core and C# with focus on backend development.
• Experience with Entity Framework and MVC pattern.
• Knowledge of PostgreSQL and MongoDB databases.
• Familiarity with Visual Studio, Git, and CI/CD pipelines.
• Basic Docker knowledge for containerized deployments.
• Experience implementing REST APIs and secure data transmission.
• Strong problem-solving and performance optimization skills.

Responsibilities

• Maintaining, designing and developing server-side components (backend/service) of a larger fintech platform: APIs, workers, integrations, etc.
• Evaluate tools, frameworks, and processes to determine the best fit for our products.
• Assure the highest code quality and performance.

Skills

ASP.NET Core

C#

Tools

Entity Framework

MVC

PostgreSQL

MongoDB

Visual Studio

Git

CI/CD

Docker

Job description

Codespot PSA is seeking an ASP.NET Core Developer to maintain and expand the backend components of a fintech platform. You will design APIs, build services, and collaborate with a seasoned team to deliver reliable, scalable software.

Ideal candidates have strong C#, ASP.NET Core, and Entity Framework experience, plus familiarity with PostgreSQL or MongoDB, Visual Studio, Git, CI/CD, and Docker. A passion for code quality and continuous learning is essential.