Senior Backend Developer

Code; Barcelona; A distancia; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A tech company in Barcelona is seeking a Senior Backend Developer to lead technical initiatives and own the full lifecycle of product development. The role requires strong experience in Kotlin or Java and AWS, with a focus on scalable API design. Candidates should be fluent in English and passionate about building product-centric solutions. This position offers remote work opportunities within Spain and various other benefits.

Servicios

€2,200 per year in social benefits

€2,000 per year in trainings

Daily Snacks

Flexible working hours

26 days of vacation

Access to the best technology

Nice located offices

Formación

• Experience leading technical initiatives.
• Strong experience with Kotlin or Java + Spring.
• Solid AWS experience.
• Expertise in testing.
• Experience with deployment strategies: microservices, modular monolith.
• Passion for building product-centric solutions.
• Fluent English to thrive in a multicultural environment.

Responsabilidades

• Own the full lifecycle from shaping product ideas to go-live.
• Design and build scalable APIs and systems using Kotlin.
• Apply testing best practices and ensure system reliability.
• Deploy, monitor, and maintain services on AWS.
• Co-create features with Product and Design.
• Drive backend improvements and mentor fellow engineers.

Conocimientos

Experience leading technical initiatives

Strong experience with Kotlin or Java

Solid AWS experience

Expertise in testing

Infrastructure as Code

Familiarity with SQL / NoSQL databases

Fluent English

Herramientas

AWS

Terraform

CloudFormation

CDK

Descripción del empleo

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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 promote healthy living habits. You will find many nuts, fresh fruit, salads, etc., in our canteen.
• Flexible working hours: We understand the importance of work-life balance.
• 26 days of vacation.
• Access to the best technology for your needs.
• Nice located offices.
• English as the official language.

Minimum Requirements

• 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 monolith.
• Familiarity with SQL / NoSQL databases.
• Passion for building product-centric solutions.
• Fluent English to thrive in a multicultural environment.

Nice to have

• Event-driven architectures.
• CQRS.

Seniority level

• Associate

Employment type

• Full-time

Job function

• Information Technology

Industries

• Information Services and Software Development

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