NET Staff Platform Engineer

As a key member of the team, you will be responsible for:

Platform & Architecture Leadership

• Contribute to the definition and evolution of the backend and API platform architecture.
• Drive technical decisions related to microservices, APIs, integration patterns, and data access.
• Define and promote platform standards, best practices, and architectural guidelines.
• Ensure architectural consistency and technical quality across teams.

Hands-on Engineering

• Remain hands-on in critical platform components and complex technical areas.
• Design, build, and evolve C# / ASP.NET Core microservices used across the platform.
• Review complex changes and support teams on design and implementation decisions.
• Drive high standards in testing, performance, reliability, and maintainability.

API & Integration Platform

• Contribute to the technical evolution of the API Platform.
• Define best practices for API design, versioning, governance, and lifecycle management using tools such as Gravitee.
• Support teams in designing efficient and consistent APIs and integrations.

Cross-team Collaboration & Enablement

• Work closely with backend, frontend, DevOps, and infrastructure teams to improve platform capabilities.
• Act as a technical mentor and reference for engineers across multiple teams.
• Provide guidance without direct people management responsibilities.
• Participate in technical discussions, reviews, and architecture forums.

Cloud & Platform Strategy

• Promote cloud-first and container-first architectures.
• Collaborate with DevOps and Infrastructure teams on CI/CD, observability, security, and cost optimization.
• Contribute to long-term platform and infrastructure evolution.

Continuous Improvement

• Stay up to date with backend, cloud, and platform engineering trends.
• Identify platform bottlenecks, technical debt, and improvement opportunities.
• Propose and implement improvements to architecture, tooling, and workflows.
• Contribute to technical documentation and knowledge-sharing initiatives.

Do you have experience in Relational databases?, * Minimum 8 years of experience in backend or platform engineering.

• Proven experience building and maintaining scalable backend platforms.
• Previous experience as Senior Engineer, Staff Engineer, Tech Lead, or equivalent.
• Hands-on experience with AI development tools and configuration (GitHub Copilot, Cursor, Claude Code).
• Experience working in cloud environments such as Azure, AWS, or GCP.

Languages

• Fluent in English (mandatory).
• French language proficiency is a plus.

(Interview will be conducted in English)

Communication

• Strong communication skills, both verbal and written.

Technical Skills

• Strong proficiency in C# and .NET Core.
• Deep experience with microservices architectures and API platforms.
• Experience with API gateways and management platforms (Gravitee, Kong, Azure APIM).
• Experience with relational databases at scale.
• Solid understanding of SOLID principles, design patterns, and modern architectural styles.
• Strong knowledge of containerization (Docker, Kubernetes).
• Strong experience with Azure and/or AWS.
• Experience with AI-assisted development tools.

Interpersonal Skills

• Ability to collaborate in a diverse and dynamic environment.
• Strong analytical and problem-solving skills.
• Ability to influence technical decisions without formal authority.
• High ownership mindset and ability to drive initiatives end to end.

We understand that flexibility and trust are essential for our teams. Here are some of the benefits we offer:

• Remote Work: Up to 3 days a week!
• Work-life balance: We have flexible entrance and departure time.
• Summer schedule on Fridays: Start early your weekends!
• Referral Bonus: €1500 for every talent you refer (after 6 months).
• Flexible Remuneration: COBEE platform.
• ️ Private Medical Insurance: Adeslas.
• Continuous Learning: Access to our internal platform for continuous development.
• Vacation: 23 vacation days plus an intensive schedule in July and August.
• Teambuilding: Our afterworks and activities are memorable!

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. We believe in the value of every team member, offering opportunities for you to develop and contribute to meaningful solutions. So… What does it mean to be a #Nextlaner? * Be part of a growth-oriented culture. * Collaborate with colleagues from all over the world. * Believe in the Power of ideas and the diversity of thought. * Be committed to provide an environment where you can learn, grow, and collaborate on projects that make a global impact. Our success is measured not just by results, but also by the growth and satisfaction of those who are part of our company. At Nextlane, you'll have the opportunity to innovate, push boundaries, and work on solutions that are transforming the automotive world.