API Developer – .NET (Valencia)

Vitrolife & Igenomix Brasil, part of Vitrolife Group; Paterna; Hybrid; EUR 45,000 - 75,000; Full time

Benefits offered by this job

Hybrid working model

Private health insurance

Job summary

Vitrolife Group is seeking an API Developer to design and implement robust .NET APIs in Valencia, Spain. You will work within the API team, delivering scalable services, aligning with Platform and Security teams, and driving API‑first practices in a hybrid work setting.

The role focuses on API surface development, maintaining quality, and collaborating with Product Owners and Architects to balance rapid delivery with long‑term API health and security.

Qualifications

• Strong hands‑on experience as a .NET API developer.
• Proven expertise in designing, building, and consuming APIs (REST and/or gRPC).
• Deep knowledge of API tooling: OpenAPI/Swagger, contract testing, API gateways, security best practices.

Responsibilities

• 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

Skills

NET API development

API design and consumption (REST/gRPC)

API tooling (OpenAPI/Swagger)

Security best practices for APIs

Cloud platforms (Azure/AWS)

DevOps/CI-CD/observability

Team collaboration and communication

Tools

OpenAPI/Swagger

API gateways

Contract testing

Docker

Kubernetes

CI/CD tooling

Observability tools

Job description

IT

• Valencia
• Hybrid

API Developer – .NET (Valencia)

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 fulfil 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 personalised 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)

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.

Location:

Parque Tecnológico, Paterna, Valencia, Spain

Your Mission

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

What You Bring

• 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

Background & Experience

• 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

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.

Department IT Location Valencia Remote status Hybrid Employment type Full‑time

About Vitrolife Group

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 personalised genetic information and medical device products. We are supporting our customers by improving their clinical practice and the outcome of the patient’s fertility treatment.

Currently, we are approximately 1,100 people worldwide, headquartered in Gothenburg, Sweden. Vitrolife Group’s products and services are available in more than 125 countries, through our own presence in more than 25 countries and a network of distributors. We are a sustainable market leader and aim to be the preferred partner to the IVF‑clinics by providing superior products and services with the vision to enable people to fulfil the dream of having a healthy baby.

The Vitrolife AB (publ) share is listed on the Nasdaq Stockholm.