Backend Engineer
Transparent
Software Engineering
Barcelona, Spain
Posted on Jun 2, 2026
Our Mission: Why Lighthouse?
At Lighthouse, we’re on a mission to revolutionize commercial strategy as hospitality’s most powerful AI platform. We take the world's largest hotel data network and transform it into real-time intelligence that drives action. We don't just deliver insights; we empower businesses to make decisions that move revenue.
With $370M in Series C funding and over $100M in ARR, we are scaling at lightspeed. Our 850+ teammates across 35 countries aren't just building software—they are leveraging cutting-edge AI to help hoteliers be the first to act. Tens of thousands of hotels across 185 countries trust Lighthouse to execute their commercial strategy, including every one of the top 15 global chains and thousands of independent hotels that consistently outperform their markets. With Lighthouse AI, the intelligence gets deeper. Decisions get smarter. Actions get faster. We help hoteliers be first to act.
Lighthouse Values: Our guiding light
We are Lumineers. Our shared values keep us on a collaborative path fostering a cultural and customer centric environment
- Pursuit of greatness: We’re innovators who care deeply about our customers’ success. Our team brings their best work, stays curious, and delivers excellence through attention to detail
- Meaningful work matters: We make every moment count by knowing what to deliver, why it matters, and how it drives Lighthouse forward
- Elevate each other: We don’t just work together - we grow together. What unites us is understanding each other as people and working toward shared goals
We’re more than just a workplace – we’re a community. Collaborative, fun, and deeply committed, we work hard together to revolutionize the hospitality sector. Are you ready to join us and shine brighter in the industry’s most exciting rocket-ship? 🚀
Job Details
- 💼 Engineering
- 📍 Belgium - Ghent
- 🕜 Full-Time/Hybrid
What you will do
As a Backend Engineer, you will build the high-performance APIs that transform terabytes of data into valuable insights for over 100,000 hotels worldwide. You will help support our existing BI customer base and develop features to attract new customers. You are passionate about writing clean, readable, and scalable code to help our customers make well-informed decisions. You will work in close collaboration with our product team and a talented group of software engineers, DevOps engineers to drive key initiatives forward.
Where you will have impact
- Architect, code, and maintain new and existing Python and Go microservices.
- Deploy and monitor services in a reproducible and scalable way.
- Crunch large amounts of data on the fly in API implementations and data processing jobs to master our complex datasets.
- Take ownership of our codebase and infrastructure, finding ways to improve performance and structure, including the use of AI tools to accelerate development.
- Ensure high-quality deliverables through extensive testing as part of your development process.
- Collaborate within product scrum teams to create high-performing and efficient APIs for new feature developments.
About our team
You will join a highly skilled engineering team that manages services for the largest set of hotel metadata in the hospitality industry. We design, implement, and integrate the entire landscape that supports our business-critical processes, working on features for our BI tools and new performance plans. Our team architects the core abstractions and backend components that empower other engineering teams, playing a vital part in exposing data points to our internal services. You'll be part of a dynamic team with hubs in Ghent and Barcelona, collaborating with other engineers and business power users.
What's in it for you?
- Flexible time off: Autonomy to manage your work-life balance.
- Alan Flex benefits: 160€/month for food or nursery.
- Flexible retribution: Optional benefits through tax-free payroll deductions for food, transportation and/or nursery.
- Wellbeing support: Subsidized ClassPass subscription.
- Comprehensive health insurance: 100% Alan coverage for you, your spouse, and dependents.
- Impactful work: Shape products relied on by 85,000+ users worldwide.
- Referral bonuses: Earn rewards for bringing in new talent.
Who you are
- Strong professional experience in a similar Backend Engineer role.
- Strong experience writing Python and/or Go for microservice architectures on a cloud platform like GCP (or any public cloud provider).
- Proven experience dealing with large datasets in a NoSQL environment and a passion for performance optimizations.
- Strong architectural thinking with a clear opinion on API design and architecture.
- Hands-on experience with AI coding tools like Claude Code, with a positive attitude and a clear opinion on their application.
- A proactive, self-learning mindset with a strong sense of ownership and excellent communication skills.
- Fluent in English.
We welcome
- Experience with the other language (Python or Go) you have less experience in.
- A product-minded approach to engineering.
- Familiarity with Elixir/Elm.
Technologies you will work with
Google Cloud, Kubernetes, Python, Django, Go, BigQuery, Spanner, Claude Code.
Diversity, equity, inclusion, and belonging
Thank you for considering a career with Lighthouse. We are committed to fostering a diverse and inclusive workplace that values equal opportunity for all. We welcome candidates from all backgrounds, regardless of age, gender, race, religion, sexual orientation, and disability. Our commitment to equality is part of our culture. If you require reasonable accommodation at any point during the application or interview process, please notify your recruiter.
Not ticking every box? No problem! We value diverse backgrounds and unique skill sets, and we encourage individuals from all walks of life to apply. If your experience looks a little different from what we've described, but you're passionate about what we do and are a quick learner, we'd love to hear from you!
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