Senior Backend Developer en Barcelona o en remoto

At SEAT CODE, we're looking for a Senior Backend Engineer who combines technical excellence with a strong product mindset. You won't just write code—you'll own features from ideation to go-live, working hand in hand with product managers, designers, and fellow engineers.

You'll join a cross-functional team with real impact, while also helping to shape backend practices across the company through initiative, mentoring, and collaboration 💡

What will you do 🤔

• End-to-End Ownership: From shaping product ideas to go-live and observability—you own the full lifecycle
• Backend Engineering: Design and build scalable APIs and systems using Kotlin
• Testing & Observability: Apply testing best practices (unit, integration, acceptance) and ensure system reliability via logs, metrics, alerts
• Cloud Infrastructure: Deploy, monitor, and maintain services on AWS
• Product Collaboration: Co-create features with Product and Design, balancing tech and business needs
• Technical Leadership: Drive backend improvements and mentor fellow engineers

What we offer 🤩

• Possibility to work remotely within Spain (you can work from any city of Spain ) 😎
• 2.200€ per year in social benefits
• 2.000€ per year in trainings
• Daily Snacks: We try to promote healthy living habits. You will find in our canteen many nuts, fresh fruit, salads, ...
• Flexible working hours: We understand the importance of work-life balance
• 26 days for your vacations
• Best technology for your needs
• Nice located offices
• English as the official speaking language.
• Salary: 60.000-67.000

What we are expecting from you (must have) 🥰

• Experience leading technical initiatives
• Strong experience with Kotlin or Java + Spring
• Solid AWS experience
• Expertise in testing
• Infrastructure as Code (Terraform, CloudFormation, CDK)
• Experience with deployment strategies: microservices, modular monolyth
• Familiarity with SQL/NoSQL databases
• Passion for building product-centric solutions
• Fluent English to thrive in a multicultural environment

• Event-driven architectures
• CQRS