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# Fullstack Engineer

- **Company:** Hays
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Agile Methodology, Cloud Computing, Continuous Integration, Github, MongoDB, Scrum Methodology, Query Optimization, TypeScript, ReactJS, Grafana, Indexer, Backend, Event Driven Architecture, Infrastructure Automation Frameworks, Graphql, Front End Software Development, Api Design, Terraform
- **Published:** August 11, 2026
- **Apply:** https://es.trabajo.org/oferta-5001-f624a61ef23c9ff7c0c8fbcd6a87ccdf

## About the Role

plus * Hands-on experience with MongoDB (schema design, indexing, query optimisation) * Experience working with GCP and infrastructure-as-code tools such as Terraform * Experience with CI/CD tools, especially GitHub Actions * Familiarity with event-driven architectures (e.g., Pub/Sub systems) * Experience with observability tools such as Grafana * Strong testing practices (unit, integration, and end-to-end) * Strong communication skills and ability to collaborate across teams * Fluent or advanced level of English What will you get in return * Permanent contract, directly with the final company * Competitive gross salary in line with your experience * Flexible working hours * Offices located in Barceloneta or El Prat de Llobregat * 27 days of vacation per year * Training budget and language classes * Young and dynamic tech environment with strong collaboration culture * Long-term professional development plan and exposure to cutting-edge technologies Your next

## Description

Managing and improving cloud infrastructure on GCP, including provisioning, configuration, and maintenance of shared environments * Optimising and maintaining CI/CD pipelines using GitHub Actions to ensure stable and efficient delivery processes * Enhancing observability by implementing and refining monitoring, alerting, and dashboards (e.g., Grafana) * Writing clean, well-tested, and maintainable code, promoting best engineering practices * Supporting and mentoring engineers across teams, sharing knowledge on platform, infrastructure, and architecture * Participating actively in Agile ceremonies such as refinement, sprint planning, and retrospectives What will you need to fit in it * 4-6+ years of experience as a Fullstack Engineer * Strong experience with TypeScript and Node.js in production environments * Frontend experience with React, being able to build and maintain interfaces end-to-end * Solid experience working with GraphQL (API design, queries, mutations); Apollo is a


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