Senior .NET + React Engineer — Cloud ERP, Flexible Hours

GATX Rail Europe; Województwo mazowieckie; Hybrid; PLN 212,404 - 318,606; Full time

Benefits offered by this job

Flexible working time including home office model

Professional development with wide range of trainings

Attractive workplace in the city centre

Job summary

GATX Rail Europe is looking for a Senior Software Developer (.NET + React) in Poland. The role involves designing and maintaining a cloud-based ERP solution, with a focus on software quality, automation, and scalability. Candidates should have 5+ years of experience, strong C# and React skills, and a DevOps mindset. GATX offers flexible working hours, opportunities for professional development, and a collaborative international working environment.

Qualifications

• 5+ years of experience as a full-stack software developer in international projects.
• Strong proficiency in C# / .NET (8+), ASP.NET Core, and Entity Framework Core.
• Solid frontend expertise with React, TypeScript, and modern build tools.

Responsibilities

• Design, develop, and maintain frontend, backend, and infrastructure code.
• Contribute to solution architecture with a focus on performance.
• Implement data replication mechanisms and integrations across systems.

Skills

C# / .NET

React

DevOps

AWS

PostgreSQL

Automated testing

CI/CD pipelines

TypeScript

Tools

Docker

Terraform

GitHub Actions

Jira

Confluence

Job description

GATX Rail Europe is looking for a Senior Software Developer (.NET + React) in Poland. The role involves designing and maintaining a cloud-based ERP solution, with a focus on software quality, automation, and scalability. Candidates should have 5+ years of experience, strong C# and React skills, and a DevOps mindset. GATX offers flexible working hours, opportunities for professional development, and a collaborative international working environment.