About Us At Nextlane, we don't just develop software solutions – we create the future of the automotive industry. We are a company that combines advanced technology with a clear vision: simplifying and digitizing every step of the automotive customer journey, empowering manufacturers and dealerships to thrive in a constantly evolving market. What does it mean to be a #Nextlaner?

Be committed to provide an environment where you can learn, grow, and collaborate on projects that make a general impact. Our success is measured not just by results, but also by the growth and satisfaction of those who are part of our company. We are looking for a Senior Backend Engineer with strong expertise in C#/.NET, cloud‐native backend development, and API engineering.

This is a hands‐on engineering role focused on building scalable, secure, and maintainable backend services in cloud environments. The engineer will work closely with Tech Leads and cross‐functional teams to implement high‐quality solutions aligned with established architectural and engineering standards. This role is not a Tech Lead or Architect position.

The expectation is strong technical execution, active contribution to engineering quality, support for architecture compliance, and ownership of backend deliverables. AI‐assisted development practices are a core expectation for this role. Candidates should be comfortable using tools such as Cursor, Claude Code Codex, or similar within their daily engineering workflow.

Backend Development

Design, develop, and maintain backend services using C# and .NET Core. Build secure, scalable, and high‐performance REST APIs. Implement backend solutions aligned with approved architectural patterns and technical guidelines.

Write optimized and maintainable database queries while ensuring data integrity and performance. Troubleshoot and resolve backend and production issues efficiently.



Code Quality and Best Practices Unit tests Integration tests End‐to‐end tests Performance/load tests Participate actively in code reviews and engineering quality initiatives.

Collaboration and Agile Development Work closely with Tech Leads, frontend engineers, QA engineers, and DevOps engineers. Translate technical and business requirements into high‐quality implementations. Provide technical guidance and support to less experienced engineers when needed.

Participate actively in Agile ceremonies and team collaboration activities. DevOps, Cloud and Architecture Work with cloud platforms such as AWS, Azure, or GCP. Containerize backend services using Docker.

Contribute to CI/CD pipelines and automated deployment processes. Support observability and monitoring practices using logging, metrics, and tracing tools. Follow security, reliability, and operational best practices in backend implementations.

Stay up to date with advancements in backend technologies. A minimum of 6 years of experience in backend development.

Experience in developing and maintaining scalable backend services.

Experience writing and maintaining unit, integration and performance tests. Familiarity with Agile methodologies and DevOps practices. Hands‐on experience with GitHub Copilot, Cursor, Claude-Code ... configuration, rule management and use.

Experience working in cloud environments such as Azure, AWS, or Google Cloud Platform (GCP). English (Interview will be conducted in English) Strong proficiency in C# and .NET Core Strong SQL and relational database experience Experience with Docker and CI/CD workflows Experience working with cloud platforms (AWS, Azure, or GCP) Understanding of scalable backend systems, observability, and reliability practices Practical experience using AI coding assistants in day‐to‐day software development (Cursor/Claude Code/Codex/Github Co‐pilot) Fluent in English (mandatory). French language proficiency is a plus.

Remote Work: Up to 3 days a week!

Summer schedule on Fridays: Start early your weekends!

Private Medical Insurance: Adeslas.

📌 Back End Developer Engineer (Galicia)
🏢 Nextlane
📍 Galicia