Mid-Level and Senior Full Stack Developer (.NET / Angular)

Quantox Technology

3d • Remote

About The Position

We are looking for Mid-Level and Senior Full Stack Developers to join an international engineering team working on a scalable Transport Management System (TMS) used across European markets. This is a long-term opportunity to work on a complex enterprise platform in the logistics and transportation industry, where you'll contribute to both feature development and continuous system evolution. Depending on your experience level, your role will range from hands-on development to architectural contribution and technical leadership.

Requirements

• Mid-Level Candidates: 3+ years of professional experience in .NET-based software development
• Senior Candidates: 7+ years of professional experience in .NET-based software development
• Proven architectural design skills and ability to define technical direction
• Strong expertise in C# and .NET
• Proficient in backend development with REST APIs and database-driven applications
• Experience with SQL Server and/or PostgreSQL (database design and optimization)
• Working knowledge of frontend technologies: Angular, HTML, CSS, JavaScript
• Familiarity with Azure App Services, cloud architectures, and DevOps practices
• Hands-on experience with CI/CD pipelines and automated testing
• Strong analytical and problem-solving skills with attention to code quality
• Fluent English

Nice To Haves

• Experience with technical leadership or mentoring is a plus
• University degree in Computer Science/Engineering or related field is a plus

Responsibilities

• Cover the full software development lifecycle (analysis, design, development, testing, deployment, maintenance)
• Design, develop, and optimize scalable backend and frontend solutions using: C# 14, .NET 10, ASP.NET MVC, Angular, TypeScript, MSSQL / PostgreSQL, Azure DevOps
• Build and maintain REST APIs and integrate system components
• Write clean, maintainable, and efficient code following best practices
• Develop unit and integration tests to maintain high application quality
• Troubleshoot, debug, and optimize application performance
• Refactor and improve existing codebases for better performance and maintainability
• Collaborate with QA, DevOps, and Product Management teams
• Contribute to CI/CD pipelines and deployment automation
• Manage source code using Git and modern branching strategies
• For senior profiles: contribute to system architecture and technical direction

Benefits

• Opportunity to work on a large-scale international software product used across European markets
• Long-term career growth and technical development
• Remote working model
• Collaborative international engineering team
• For senior candidates: opportunity to influence architecture and technical direction
• For mid-level candidates: clear path to grow into senior roles

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed