> Markdown version of [/jobs/ext/2962011-frontend-engineer](https://www.wearedevelopers.com/jobs/ext/2962011-frontend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Frontend Engineer

- **Company:** SITA - Société Internationale de Télécommunications
- **Location:** Barcelona, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Microsoft Azure, Code Review, Continuous Integration, Data as a Services, DevOps, Distributed Systems, Hibernate (Java), Identity and Access Management, Python (Programming Language), OAuth, RabbitMQ, Secure Coding, Software Engineering, Transport Layer Security, Spring-boot, Software Security, Backend, AngularJS, Kubernetes, Apache Kafka, Non-relational Database, Front End Software Development, Restful APIs, Docker, Microservices
- **Published:** September 17, 2026
- **Apply:** https://www.buscojobs.com.es/frontend-engineer-en-barcelona-ID-372273968

## About the Role

principales7+ years of software development experience with proven senior/lead deliveryStrong Java expertise (Spring Boot, Hibernate) and solid Python experienceUnderstanding of microservices, REST APIs, distributed systems and system designExperience with cloud platforms (AWS, Azure or GCP), Docker and CI/CD practicesSolid knowledge of software security fundamentals (IAM, SSL/TLS, OAuth/JWT) and secure coding; compliance exposure is a plusExperience with relational and non-relational databases and observabilityNice to have: Angular, Kafka/RabbitMQ, Kubernetes, AI/ML familiarity, MLOpsAviation/OCC domain exposure is a strong advantageleadership and team mentorshipcollaboration across cross-functional teamscommunication and code review disciplineJavaPythonSpring Boot

## Description

OverviewAs Lead Software Developer at SITA, you will steer the design and delivery of scalable, secure software in a fast-moving aviation tech environment.You will collaborate with product, data, and AI teams to build high-performance applications, guiding architecture and engineering best practices.Your work enables AI-enabled components and robust backend services that scale across the air transport ecosystem.This role offers impact through leadership, modern tech, and a mission to make flight operations more sustainable and efficient.Compensaciones / Beneficiosflex week: work from home up to 2 days/weekflex day to fit life and plansflex-location: up to 30 days/year remote workEmployee Wellbeing programs (EAP, Champion Health)professional development via LinkedIn Learningcompetitive benefits adapted to local marketResponsabilidadesLead design, development and delivery of scalable software (Java/Python) and AI-enabled componentsArchitect and maintain backend services, APIs and microservices (e.G., Spring Boot)Drive scalability, security, observability and performance improvementsOversee AI/ML component integration and data services interfacesLead engineering delivery: estimation, planning, code reviews, debt management and CI/CD improvementsMentor engineers, set quality standards and promote knowledge sharingCollaborate with Product, DevOps and data/AI teams in an Agile environmentRequisitos principales7+ years of software development experience with proven senior/lead deliveryStrong Java expertise (Spring Boot, Hibernate) and solid Python experienceUnderstanding of microservices, REST APIs, distributed systems and system designExperience with cloud platforms (AWS, Azure or GCP), Docker and CI/CD practicesSolid knowledge of software security fundamentals (IAM, SSL/TLS, OAuth/JWT) and secure coding; compliance exposure is a plusExperience with relational and non-relational databases and observabilityNice to have: Angular, Kafka/RabbitMQ, Kubernetes, AI/ML familiarity, MLOpsAviation/OCC domain exposure is a strong advantageleadership and team mentorshipcollaboration across cross-functional teamscommunication and code review disciplineJavaPythonSpring Boot


## Related Videos

- [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide)
- [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect)
- [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered)
- [Shifting Stress to Progress— Understanding DevOps to do DevOps Better](https://www.wearedevelopers.com/videos/268-shifting-stress-to-progress-understanding-devops-to-do-devops-better)
- [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready)
- [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue)

## Related Articles

- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)
- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss)