API Engineer

* Before applying for this role, please note that this job must be performed in Spain. Only candidates currently residing in Spain or willing to relocate will be considered. Are you ready to be inspired, challenged, motivated to do your best, and have fun while you're at it? We're on the lookout for an Async API Specialist to join our team at Mimacom, where we play off each other's strengths to create exciting digital products for customers all over the world. At Mimacom, we stay ahead of the curve. We develop digital products that enable businesses to achieve faster, easier, and more impressive results — whether it's in banking, retail, manufacturing, life sciences, or beyond. Right now, our software touches the lives of 50 million users every single day. Behind every one of our products is a brilliant group of people who share the same values, working collaboratively to create real solutions for real problems. Join us at Mimacom as an Async API Specialist, and let's create something amazing together What You'll Do You will design and govern APIs (REST and asynchronous), ensuring quality, security, and alignment between business and technology. Your work will promote best practices and drive the adoption of event-driven architectures. Your responsibilities will include: Design and document APIs using Swagger/OpenAPI and AsyncAPI, ensuring consistency and scalability. Model events and define schemas (Avro) for event-driven architectures. Govern the full API lifecycle: versioning, monitoring, documentation, and deprecation. Implement quality validation, automation, and CI/CD pipelines for API development. Promote API and EDA adoption through workshops and evangelization, bridging business and technology. What You'll Need We're looking for a proactive and detail-oriented API Engineer passionate about designing and governing high-quality APIs that connect business and technology. Ideally, you bring: 4+ years of experience in API design, definition, and governance (REST and asynchronous). Proficiency in Java, Kotlin, or Python (at least one is mandatory). Strong knowledge of API documentation standards and tools (Swagger/OpenAPI, AsyncAPI). Understanding of event-driven concepts: events vs commands, orchestration vs choreography, SAGA patterns. Experience with CI/CD pipelines, automation, and API quality validation. Advanced security implementation: OAuth, JWT, IdP, certificates, and mTLS. Fluency in English and Spanish (written and spoken). Experience with Kafka and Schema Registry is a plus. Even if you don't check off every one of these boxes, we'd love to hear from you. Talk to one of our recruitment team to discuss what you might be able to bring to our projects. What to Expect Your personal and professional growth is important to us, and we offer a range of benefits and opportunities to support your journey. Here's what you can expect when joining our team: Holidays & Flextime: You will enjoy 30 days of vacation. We understand that while you love your work, it's just one part of a whole person. That's why we allow you to work in a way that accommodates your lifestyle and other commitments. Work from anywhere in Spain: No matter where you are, be part of the team. Beat the commute and join us from the comfort of your own home with this remote position. Or, if you wish, come to any of our offices in Madrid, Valencia, Barcelona or Gijón. Career Growth: We work hand-in-hand with you to create a plan that fuels your professional development and helps you make an impact on your projects. Hardware Budget: We offer your choice of hardware packages, providing you with the tools you need to do your best work. Team Get-Togethers: From sharing a meal to team retreats, we invest in the things that make you feel part of a community. You don't have to come, but it'd be great to have you there. At Mimacom, we know that creative minds thrive on exciting projects. Join our team and be part of a lively community that's all about working together, growing together, and coming up with innovative ideas and technologies Our company is committed to fostering a diverse and inclusive workplace. We encourage candidates from all walks of life to apply, as we believe in providing equal opportunities to everyone.