Senior software developer (.Net + React)

GATX Rail Europe is a leading, full-service railcar lessor offering a high quality and diversified fleet to over 20 European countries. With an experienced, service-oriented team, they focus on making railcar leasing and rail transport simple, efficient, and seamless. The company has strategically located offices across Europe.

• 5+ years of experience as a full-stack software developer in international projects
• Strong proficiency in C# / .NET (8+), ASP.NET Core Web APIs, and Entity Framework Core
• Solid frontend expertise with React, TypeScript, and modern build tools (e.g. Nx, Vite, pnpm)
• Experience designing and optimizing relational databases (PostgreSQL or equivalent)
• Hands-on experience with AWS and cloud-native architectures (compute, networking, security, observability)
• Strong DevOps mindset with experience in Docker, Terraform, and CI/CD pipelines (e.g. GitHub Actions)
• Experience with automated testing (unit, integration, API, and/or E2E testing)
• Strong analytical mindset with the ability to understand, decompose, and solve complex business and technical problems
• Ability to translate business requirements into robust technical solutions
• Fluency in English

Nice to have:

• Experience with Azure AD / Entra ID, OData, Redis, or OpenTelemetry
• Exposure to AWS multi-account setups, hybrid/on‑prem integrations, or ERP systems
• Familiarity with Jira, Confluence, and agile development methodologies

• Design, develop, and maintain frontend, backend, and infrastructure code of a cloud-based ERP solution
• Contribute to solution architecture and technical design with a focus on scalability, maintainability, and performance
• Implement data replication mechanisms, messaging patterns, and integrations across systems
• Design, maintain, and optimize relational database schemas, queries, and migrations
• Build, operate, and enhance CI/CD pipelines, Docker images, and Terraform-based infrastructure
• Ensure high software quality through automated testing, code reviews, and adherence to best practices
• Monitor, troubleshoot, and support production systems; contribute to observability and incident resolution
• Collaborate with international, cross-functional teams to ensure end-to-end process integration and documentation