Software Engineer jobs in United Kingdom

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FCM - part of the Flight Centre Travel Group family - are transforming the business travel industry. Based in Barcelona and paired with market-leading technology from our very own FCM LAB, we manage a wide portfolio of national and multinational clients in this niche market. Together, we are united by a single mission: developing and ensuring the best services and technology products to support business travellers in their trips around the globe.

We're looking for a Mid-Level Software Engineer to build and evolve AI-native products that power travel experiences for clients worldwide. You'll work in agile squads following DevOps best practices, with the autonomy to make technical decisions and the support to grow your skills.

You will join a team working on traveller workflow and automation products, including:

• AI-powered content retrieval and search
• Intelligent quotation systems
• Automated booking processes
• Travel assistance and recommendation features

All products are designed AI-native from the ground up.

• Design, build, and maintain backend services and microservices
• Develop and integrate LLM-powered features (intelligent search, travel recommendations, document processing, personalised content)
• Write clean, testable code following best practices
• Participate in code reviews and contribute to architectural decisions
• Own features from design through deployment and monitoring

• Engineer effective prompts and prompt chains for travel-related use cases
• Integrate LLM APIs to enhance user experiences and automate workflows
• Build RAG systems for intelligent content retrieval
• Evaluate LLM outputs for accuracy, cost-efficiency, and user value

• Implement CI/CD pipelines, IaC, and containerised deployments
• Monitor application performance and respond to incidents
• Work in agile/Scrum squads with international team members
• Mentor peers and share knowledge across teams

• Frontend: React + Typescript
• Backend: Ruby on Rails (latest versions)
• Databases: PostgreSQL, Redis
• Cloud & Infrastructure: Azure, Docker, Kubernetes
• Automation: GitHub Actions, Terraform
• Testing: Playwright, RSpec
• Monitoring: DataDog
• Collaboration: Slack, Notion, Azure DevOps

We're always open to new technologies and improvements!

• 3-5 years of professional software development experience (backend focus)
• Strong proficiency in backend development in Ruby on Rails preferably
• Experience with containers and API design
• Familiarity with DevOps practices: CI/CD, containers, IaC, automated testing
• Comfortable working in English within an international team
• Experience integrating LLM APIs (OpenAI, Anthropic, etc.) into production applications
• Ability to design effective prompts and evaluate AI-generated outputs
• Team player with strong communication skills and reliability

• Knowledge of AI safety, prompt injection prevention, and LLM cost optimisation
• Fluency in French or Spanish
• Contributions to open-source projects
• Experience in travel tech or related domains

✅ Flexibility: Choose full remote, hybrid, or on-site work in Poblenou (Barcelona's tech district)
✅ Growth: Dedicated training hours each sprint, plus course budgets and conference allowances
✅ Modern Practices: True agile methodology, DevOps culture, cutting‑edge tech
✅ Impact: Build AI-native products used by thousands of business travellers worldwide
✅ Innovation: Work at the forefront of AI integration in travel technology
✅ Community: Collaborative, international team as part of a global engineering organisation

• Tick destinations off your bucket list with our discounts on travel and accommodation.
• Enjoy 25 Days Off per year plus 5 Compensation days!
• Learn a new language with our free language learning platform (Global Exam).
• Employee Retention Share Scheme through Equate Plus.
• Various social events to promote networking, the celebration of wins, and sometimes just for fun! (Global Gathering 2024 - Portugal).
• Enjoy our discounts with GymApp.
• Complementary coffee, drinks, snacks and fruits at our Barcelona office location.
• A strong focus on professional development to support you in the evolution of your career.

As part of Flight Centre Travel Group, our is toopen up the world for those who want to see.

We encourage you to DREAM BIG through collaboration and innovation, and make sure you are supported to make incredible ideas a reality. Together, we deliver quality, innovative solutions that delight our customers and achieve our strategic priorities.

Irreverence. Ownership. Egalitarianism.#LI-CS2#FCMBL#LI-Hybrid