Senior Full-Stack Engineer (Angular & C#/.NET)

About the Role

We are looking for a talented and experienced Senior Full-Stack Engineer to join our R&D team at Colmex, a company operating in the dynamic financial markets industry.

This is an opportunity to take a meaningful role in a growing technological environment, work on challenging projects, and contribute to the evolution of our digital solutions.

We are looking for a hands-on engineer with strong expertise in both frontend and backend development, who thrives on technical challenges, takes initiative, and enjoys building scalable, high-quality solutions.

Key Responsibilities

• Design, develop, and maintain scalable, high-performance Angular applications.
• Build responsive, user-friendly interfaces for desktop and mobile devices.
• Develop and maintain backend services and REST APIs using C# and ASP.NET Core.
• Independently deliver end-to-end features across frontend, backend, API integrations, and automated testing.
• Collaborate with R&D team members to design and deliver reliable, maintainable solutions.
• Take ownership of features from initial requirements through production delivery.
• Contribute to technical decisions, code quality, and continuous improvement.

Requirements

Requirements

• 5+ years of professional software development experience, with strong hands-on expertise in Angular and TypeScript.
• Strong hands-on experience with C#, ASP.NET Core, and REST API development.
• Proven ability to independently design, develop, and deliver features across both frontend and backend.
• Strong knowledge of HTML, CSS, responsive design, frontend architecture, and performance optimization.
• Experience working with relational databases and SQL.
• Solid understanding of authentication, authorization, and secure API development.
• Strong problem-solving, debugging, and analytical skills.
• High level of independence, accountability, and ownership.
• Excellent communication and collaboration skills.

Advantages

• B.Sc. in Computer Science, Software Engineering, or a related field.
• Experience with Docker, CI/CD pipelines, and GitHub Actions.
• Experience using AI-assisted development tools such as GitHub Copilot, Cursor, Claude Code, or similar.
• Experience in FinTech, trading platforms, or payment systems.