Full Stack Engineer at Lighthouse in Belgium

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? 🚀 What you will do As a Full-stack Engineer, you will dive into the heart of our data operations. You will be instrumental in developing scalable data architectures, managing complex data transformations, and handling large data streams on the fly. Your work will directly contribute to delivering the best business intelligence solutions in the hospitality industry and shaping the future of our Distribution Insight product. Where you will have impact Implement and maintain robust streaming and batch data processing pipelines to handle massive data volumes in real-time. Design, build, and support scalable SaaS and microservices architectures for our industry-leading BI solutions. Guarantee data integrity and quality by extending our logging, monitoring, and outlier detection systems. Deploy and monitor applications in a reproducible and scalable way, taking ownership of parts of our tech stack and infrastructure. Clean, analyze, and extract valuable datasets from various external sources to fuel our insights. Collaborate with and provide support to your team members and other teams across the company to solve complex challenges. Continuously experiment with and improve our technology stack, finding new ways to enhance our products and processes. About our team Join our small but mighty team of six versatile engineers, including two DevOps specialists! We're the powerhouse behind the Distribution Insight product, a critical part of the Lighthouse platform. Our mission is to process billions of real-time transactions, turning complex data into actionable insights for our customers in under 10 minutes. From monitoring TCP packets to building and maintaining our custom BI tool, we own the entire data journey. We thrive on collaboration and have a huge impact, helping hotels analyze everything from booking errors to channel performance. What's in it for you? Flexible working environment: Work from home or at one of our global offices. Flexible time off: Autonomy to manage your work-life balance. Collaborative team: High-bar, friendly, creative, and passionate colleagues. Career development: Workshops, frameworks, tools, training, and processes to realize your full potential. Impactful work: Shape products relied on by 85,000+ users worldwide. Mobility options: Mobility budget or company car (based on your job category). Competitive compensation: Proactively maintained to value your work. Net allowance: to support home office related expenses. Vouchers: lunch vouchers & eco vouchers. Comprehensive health insurance: Extensive coverage for you and your dependents. Pension funding: Group insurance to secure your future. Referral bonuses: Earn rewards for bringing in new talent. Who you are Proven professional experience writing clean, maintainable Java code. Fluency in SQL and experience with database management. A strong affinity for and experience with big data technologies and concepts. A genuine passion for technology and AI tools and applying it to solve complex problems. A creative and entrepreneurial mindset with a drive for innovation and continuous improvement. A commitment to high standards and delivering quality work within a talented team. Excellent communication skills in English and a collaborative spirit. We welcome Experience with cloud platforms like Google Cloud or AWS. Familiarity with web frameworks (e.g., Ember, JSF, AngularJS) and UNIX-based operating systems. Knowledge of modern Java features and Test-Driven Development (TDD) principles. Technologies you will work with Java, Python, SQL, Kafka, Google Cloud, Docker, Elasticsearch, Gitlab. 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! Learn more about our careers and recruitment process | Our company and leadership team | Beware of recruitment scams