API Developer – .NET Customer Success (Valencia)
At a glance
Mid-level Customer Success role at Vitrolife Group. Paterna.
Pay not stated
Growth Roles summary, based on the employer's posting.
What you'll do
- Shape the API architecture, including contracts, versioning, security, and observability
- Turn product features into technical tasks, then build REST or gRPC services with thorough testing
- Keep CI/CD pipelines, monitoring, and operational readiness in working order
- Work with Platform, Security, and Enterprise Architecture teams while addressing risks, dependencies, and technical debt
- Support incidents, investigate root causes, and mentor teammates on engineering quality
What you bring
- Substantial hands-on experience developing .NET APIs as a senior engineer or API specialist
- Strong ability to design, build, and consume REST or gRPC APIs using OpenAPI/Swagger and contract testing
- Practical cloud experience with Azure or AWS, alongside DevOps, CI/CD, automated testing, and observability
- Clear communication across Product, Platform, Security, and Enterprise Architecture teams
- Working knowledge of security, privacy, and audit considerations for API data
Who this fits
You’ll suit a hands-on API specialist who wants ownership of an API surface and influence over technical standards. The role is based in Paterna, Valencia, with hybrid work and flexible hours. You’ll collaborate in English with international Product, Architecture, Security, and Platform teams.
From the employer
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)
We’re seeking a hands-on API Developer who loves turning product goals into robust technical solutions. You’ll craft high-quality .NET APIs, champion API-first practices, and collaborate 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
Regulatory/compliance exposure is a plus but not required
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.
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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