API Developer - .NET (Valencia)

We’re seeking a hands-on API Developer to join our API Team in Valencia, Spain, working within the Labs Domain or another internal domain depending on the assignment. Reporting to the Platform Engineering Manager or equivalent, the role follows a hybrid working model aligned with the needs of the team. You’ll turn product goals into robust technical solutions, craft high-quality .NET APIs, champion API-first practices, and collaborate closely with Product Owners, Architects, Security, and Platform teams to deliver reliable, scalable services., Your mission will be to develop and take ownership of the API surface supporting the domain’s applications, enabling the team to deliver efficiently, safely, and sustainably. You will balance the need for rapid delivery with the long-term health, scalability, and maintainability of the APIs.

What You’ll Do

• Design and evolve the API architecture; define contracts, versioning, security, and observability
• Break down features into technical tasks and actionable work
• Implement REST and/or gRPC APIs; ensure thorough testing (unit, integration, contract)
• Lead or contribute to sprint planning and technical refinement
• Maintain DevOps pipelines, CI/CD, monitoring, and operational readiness
• Collaborate with Platform, Security, and Enterprise Architecture teams
• Mentor peers and raise the technical bar across the team
• Identify and mitigate technical risks, dependencies, and debt
• Support incident resolution and root cause analysis

• Strong hands-on experience as a .NET API developer
• Proven expertise designing, building, and consuming APIs (REST and/or gRPC)
• Deep knowledge of API tooling: OpenAPI/Swagger, contract testing, API gateways, security best practices
• Cloud experience with Azure or AWS
• Experience with DevOps, CI/CD, automated testing, and observability
• Strong collaboration and communication skills; able to work with DPO/EA/security teams
• Awareness of security, privacy, and audit considerations in API data

Nice to Have

• Experience with interoperability standards or cross-domain integrations (non-FHIR)
• Regulatory/compliance exposure is a plus but not required
• LIMS or enterprise SaaS experience
• Containerization and orchestration (Docker, Kubernetes)
• Observability tooling and APM solutions
• Spanish would be a plus, * Strong background as a senior engineer or API specialist
• Experience delivering API-centric products in agile teams
• Proficient with cloud platforms, modern architectures, and DevOps practices
• Ability to collaborate with Enterprise Architecture on standards

At the Vitrolife Group, we work every day to unlock the full potential of science and technology to reduce the barriers towards building a family. Together we help our customers and their patients to fulfill the dream of having a healthy baby.

Vitrolife Group is a global provider of medical devices and genetic services. Based on science and advanced research capabilities, we develop services and products for personalized genetic information and medical device products. We support our customers by improving their clinical practice for the patient’s outcome of fertility treatment.

Build Things the Right Way (Together), Why Join Us?

• Work on real-world products where technology has a direct impact on the business, laboratory operations, and ultimately patient outcomes.
• Join an IT organization that is investing in modern technologies and giving engineering teams a strategic role in the company’s growth.
• Have a clear mandate, ownership, and the opportunity to influence technical decisions and ways of working.
• Collaborate closely with Product Owners, Architects, Security, and Platform teams in an international environment.
• Be part of a culture that values engineering quality, innovation, collaboration, and sustainable development.
• Benefit from a hybrid working model, flexible working hours, and private health insurance.

Please note that the interview process will be conducted in English.

Vitrolife Group is an equal opportunity employer. We welcome and encourage applications from people with disabilities.

Applications will be reviewed on an ongoing basis, so please submit your application as soon as possible.

We are currently approximately 1 130 colleagues worldwide, with headquarters in Gothenburg, Sweden. Vitrolife Group’s products and services are available in more than 110 countries through our own presence in 30 countries and a network of distributors. Vitrolife Group is a sustainable market leader and aims to be the preferred partner for IVF-clinics by providing superior products and services with the vision of fulfilling the dream of having a healthy baby. The Vitrolife share is listed on Nasdaq Stockholm.

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