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.

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 providing an environment where you can learn, grow, and collaborate on projects that make a integral 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.

Your Responsibilities

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

Product‑Level Architectural Modernisation

- Define and enforce architectural standards to reduce coupling, increase modularity, and enhance maintainability.
- Contribute hands‑on to production codebases to validate design decisions and refactoring strategies.
- Drive structural improvements that increase deployment frequency, reduce defects, and improve delivery predictability.
- Establish robust testing practices across unit, integration, and contract testing.

Legacy Decomposition & Structural Simplification

- Lead deconstruction of large monoliths using Strangler Fig patterns and DDD bounded contexts.
- Define service boundaries rooted in domain understanding.
- Design customer‑safe migration strategies that ensure revenue continuity.




- Reduce duplicated logic and redundant capabilities across acquired systems.

AI‑Driven Modernisation Acceleration

- Design and operationalise AI‑assisted code migration frameworks.
- Use AI for static analysis, duplication detection, risk assessment, and code transformation.
- Define governance guardrails for automated refactoring with human‑in‑the‑loop validation.
- Embed AI‑powered test generation and contract validation to reduce migration risk.
- Quantify productivity and quality improvements enabled by AI.

Domain & Service Boundary Authority

- Define domain‑bounded contexts aligned with long‑term platform strategy.
- Ensure clarity in domain ownership to eliminate cross‑team ambiguity.
- Enforce API integrity, versioning discipline, and backward compatibility.

Integration & Interoperability

- Design integration patterns across new services, legacy systems, and OEM platforms.
- Establish event‑driven and messaging standards.
- Reduce integration complexity and operational overhead.

Cloud as an Enabler (AWS)

- Guide application migration strategies (replatform, refactor, rearchitect).
- Ensure AWS usage reinforces clean architecture and maintainability.
- Embed observability, resilience, and security within the application architecture.

Economic & Portfolio Impact

- Identify architectural simplifications that reduce cost‑to‑serve.
- Support prioritisation using economic evaluations of technical debt and migration risks.




- Contribute to legacy system retirement planning aligned with margin and investment discipline.

Experience

What We’re Looking For

- 12+ years of hands‑on backend engineering experience (C#, Java or similar).
- Proven experience decomposing monolithic applications in live production environments.
- Deep expertise in Domain‑Driven Design and distributed systems.
- Experience modernising legacy‑heavy SaaS portfolios in complex settings.
- Comfortable operating in environments with strong capital discipline (e.g., private equity‑backed).
- Bonus: Experience in platform convergence and multi‑country SaaS ecosystems.

Languages

- English required (interviews will be conducted in English).

Communication

- Strong written and verbal communication skills.

Technical Skills

- Architectural modernisation, DDD, service decomposition.
- AI‑assisted code analysis, refactoring, and test generation.
- AWS application architecture.
- Strong testing discipline: unit, integration, contract testing.
- Experience with event‑driven architectures and API governance.

Interpersonal Skills

- Ability to collaborate in a diverse and dynamic environment.
- Strong ownership, autonomy, and decision‑making in complex ecosystems.

Our Recruitment Process

- 15‑minute introductory call with our Talent Acquisition Specialist.
- Technical and architectural interviews with senior engineering and product leaders.
- Case study / system modernisation scenario discussion.
- Final cultural and leadership alignment interview.

What We Offer

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: Flexible entrance and departure times.
- Summer Fridays: Start your weekend early!
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📌 Principal Solutions Architect (Madrid)
🏢 Talent
📍 Madrid