Finance Intern
TLDR
Early-career internship in a global finance team, blending accounting operations with AI-driven workflow improvements and cross-functional support.
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
- 💼 Finance
- 📍 Spain - Barcelona
- 🕜 Full-Time/Hybrid
What you will do
You'll support the Accounting team with core day-to-day finance operations and month-end activities, helping keep processes accurate, organized, and moving smoothly. This is an early-career internship designed for someone who wants hands-on exposure to accounting operations, reconciliations, and cross-functional finance support in a fast-moving global company. What makes this different: you'll join at a moment where Lighthouse is actively exploring how AI can improve finance workflows. Alongside learning the fundamentals of accounting operations, you'll gain exposure to a team that is focused on process improvement, automation, and smarter ways of working.
Where you will have impact
- Support the day-to-day accounting operation.
- Contribute to accurate processing, organization, and follow-through across routine finance activities.
- Assist during month-end close: provide hands-on support with close-related work, including bank reconciliations, account reconciliations, and other tasks tied to monthly reporting cycles.
- Work across multiple entities and systems.
- Use AI thoughtfully in your day-to-day work and contribute ideas for making processes more efficient.
About our team
You will join the broader Lighthouse finance team, an international group of 35+ professionals. Day-to-day, you'll work within a 15-person team worldwide and collaborate closely with our Spain team in Barcelona. You'll work with experienced teammates, gain exposure to real accounting processes, and see how a global finance organization balances operational excellence with ongoing systems and automation improvements.
What's in it for you?
- A truly international workplace with 35+ nationalities.
- Offices in the heart of Barcelona.
- Healthy work-life balance with flexible hours and a remote-friendly policy.
- Impactful work: Shape products relied on by 85,000+ users worldwide.
Who you are
- You are in the final stage of your degree, or recently completing it, and are looking for an entry-level opportunity to build experience in accounting and finance operations.
- Currently pursuing a Bachelor's or Master's degree in Business, Finance, Hospitality, or a related field.
- Available for a 30–40 hour/week internship of 4 to 5 months, starting September 2026.
- You bring a strong willingness to learn, a proactive mindset, and the energy to support the team wherever needed.
- Detail-oriented and highly organized, with the ability to meet deadlines in a fast-moving environment.
- You communicate clearly and professionally in Spanish and English, both in writing and verbally.
- A collaborative team player with a positive, can-do attitude.
- You are curious about AI and new technologies, and you already use or explore tools like Claude or similar in your studies or personal projects.
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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Benefits
Flexible Work Hours
Healthy work-life balance with flexible hours and a remote-friendly policy.
Work impacting 85,000+ users worldwide
Impactful work: Shape products relied on by 85,000+ users worldwide.
Remote-Friendly
Healthy work-life balance with flexible hours and a remote-friendly policy.
Lighthouse builds a powerful AI platform designed to transform hospitality's commercial strategy. We turn vast amounts of hotel data into actionable insights, enabling businesses to make informed decisions that drive revenue. Our unique approach empowers hoteliers to unlock their full revenue potential with real-time intelligence.
- Founded
- Founded 2012
- Industry
- Hotels, Restaurants & Leisure