Senior AI Solutions Engineer for Finance

lighthouse

Barcelona, Spain · Barcelona · Spain

Posted Mar 13, 2026

Full-time
Hybrid
Engineering

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Job description

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 Department
📍 Spain - Barcelona
🕜 Full-Time/Hybrid

What you will do

You will join as a Senior AI Solutions Engineer for Finance, focused on transforming our internal operations. You will be at the forefront of using AI to solve complex business problems, optimize workflows with AI agents, design and build integrations for business scalability. This is a future-proof role where you will build innovative solutions and have a direct impact on how our business operates as a key part of a new, decentralized team of AI specialists.

Where you will have impact

Design and implement AI solutions that solve real-world business problems within our Finance teams.
Collaborate directly with domain experts to deeply understand business challenges, workflows, and opportunities for automation and improvement.
Design, build, and operate AI agent workflows and integrations to optimize our finance operations for scalability.
Act as a key member of the broader cross-functional AI engineering team, sharing knowledge, best practices, and successful patterns.
Work closely with our central AI infrastructure engineers to build robust and scalable solutions.
Pitch your own ideas and co-create the roadmap for AI adoption within your domain, helping us build the perfect solutions.
Drive projects with a solution-oriented and outcome-focused mindset, ensuring technology delivers tangible business value.

About our team

You'll join the Finance Strategy & AI Transformation team - a small, fast-moving team inside Finance with a clear mandate: build and operate AI-native workflows across the full employee lifecycle.

Your key collaborators:

Director, Finance Strategy & AI Transformation: your manager. Sets the strategic direction and gets concepts to prototype stage. You own the how.
Finance Project Manager: your delivery partner. Coordinates across the function and keeps projects on track. You manage technical dependencies and flag risks together.
Enterprise Architect: our advisor on company wide architecture, standards and AI rollout.
AI Solution Engineers: your advisor on integration design, technical frameworks & data governance.
Finance Domain Leads: the owners of the Finance processes you'll be building on across Accounts Payable, Accounts Receivable, and Financial Reporting.

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

A strong background in Software Engineering and Integration Engineering.
Hands-on experience experimenting with various AI tools and building out new, AI-driven workflows in production.
Proven business understanding and experience working in a business-facing role.
A solution-oriented and outcome-driven mindset, focused on solving problems rather than just pure engineering craftsmanship.
A hands-on and curious nature, with an interest in learning and understanding complex business processes.
Fluent communication in English.

We welcome

Familiarity with Finance technology - ERP, financial reporting, expense management tools.
Experience building on top of LLM APIs (Claude, GPT, Gemini) in a production context.
Familiarity with Finance data structures: chart of accounts, cost centres, budgets, financial reporting hierarchies.
Experience with data platforms such as BigQuery or similar.

Technologies you will work with

AI tools, Gemini, Claude Code, Google Cloud Platform, Python, Finance systems.

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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