Senior Backend Developer

SET Europa·Barcelona, Spain

What they ask for

  • Have the right to work in Spain

    SET Europa doesn't mention sponsorship in the ad.

  • Speak fluent Spanish

    Listed as a requirement in the ad.

  • Work in English

    English is required, per the ad.

  • Work on-site in Barcelona

    No relocation package mentioned.

  • Have 5+ years of experience

    Senior-level role.

Pulled from the advert automatically — the full ad is what counts.

Added 24 days ago
Read the full advert

What you'll do

· Participate in the evolution of the application, contributing to the migration from a hybrid architecture on AWS to a serverless architecture.

· Design, develop, and deploy scalable backend services and APIs with Node.js and NestJS.

· Implement event-driven services using AWS, prioritizing modularity, resilience, and cost efficiency.

· Model, integrate, and optimize data in MySQL and DynamoDB, ensuring efficient, maintainable, and secure data flows.

· Promote development quality through rigorous code reviews and testing.

· Train and provide technical support to other engineering team profiles.

About the company & team

The client company is an innovative startup in the health-tech sector, focused on improving the quality of life for people with polymedicated treatments through solutions that simplify the daily organization of medication. It is a growing environment, with a small team and a project with social impact, in an expansion phase and with a dynamic, innovation-driven work culture.

REQUIREMENTS

· University degree in Computer Engineering or similar field.

· Minimum 5 years of experience in backend development with JavaScript or TypeScript.

· Solid experience with Node.js and NestJS.

· Demonstrable experience with serverless architectures on AWS.

· Knowledge of services such as Lambda, API Gateway, and RDS.

· Mastery of relational databases, especially MySQL.

· Knowledge of SQL and T-SQL.

· Experience with NoSQL databases, especially DynamoDB.

· Experience in data schema design and query optimization.

· Knowledge of DevOps best practices and CI/CD.

· Conversational level of Spanish and English.

· Ability to work in Agile or Scrum environments.

· Residence in Barcelona or availability to work on-site in the city.

PERSONAL SKILLS

· Profile passionate about technology and focused on continuous improvement.

· Ability to collaborate effectively with multidisciplinary teams.

· Good communication skills.

· Analytical mindset and focus on scalable solutions.

· Proactivity to drive the technical quality of the product.

· Interest in mentoring and developing talent within the team.

· Adaptability to work in a growing startup environment.

This job was automatically translated to English, .

About the company

SET Europa

SET Europa

Recruitment and IT Services