Senior Full-Stack Engineer (React/.NET) – AI-Driven Risk

Software Mind; Warszawa; A distancia; PLN 223.000 - 446.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Flexible remote cooperation

International projects with global NLP

Private healthcare and life insurance

Language classes

Knowledge-sharing initiatives

Multisport card

Descripción de la vacante

Software Mind is seeking a senior software engineer in Warsaw to own C#/.NET services and REST APIs, collaborating with a small AI-first delivery team. You will design, implement, and test APIs, ensure security and PCI-safe data handling, and contribute to frontend work using React and TypeScript.

The role embraces flexible and remote cooperation options with international projects and a non-corporate atmosphere, offering private healthcare and language learning benefits.

Formación

• 7+ years of commercial software development experience.
• 5+ years of production-grade C#/.NET (ASP.NET Core, async, DI, EF Core or Dapper).
• Strong API design with REST, OpenAPI, versioning.
• Proficient in React and TypeScript for end-to-end features.
• Hands-on use of agentic AI coding tools and production-grade testing.

Responsabilidades

• Design, build and ship production C#/.NET services and REST APIs under PCI DSS constraints.
• Own API contracts with the front end and versioning.
• Write efficient data access against relational databases at analyst-scale volumes.
• Implement authentication, authorization, audit logging and PCI-safe handling.
• Contribute to React/TypeScript front end and review frontend code.
• Use AI coding tools to accelerate development with solid test coverage.
• Maintain Dockerfiles, Compose configs and support AKS deployments.

Conocimientos

C#/.NET

ASP.NET Core

API design

OpenAPI contracts

React & TypeScript

Docker & Kubernetes

CI/CD

SQL / Relational DB

Testing (xUnit/NUnit)

AI coding tools

Herramientas

Docker

Docker Compose

Kubernetes

Azure DevOps

GitHub Actions

EF Core / Dapper

Testcontainers

SQL Server

Descripción del empleo

Software Mind is seeking a senior software engineer in Warsaw to own C#/.NET services and REST APIs, collaborating with a small AI-first delivery team. You will design, implement, and test APIs, ensure security and PCI-safe data handling, and contribute to frontend work using React and TypeScript.

The role embraces flexible and remote cooperation options with international projects and a non-corporate atmosphere, offering private healthcare and language learning benefits.