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Full-Stack Java Engineer

LighthouseLondon, United KingdomOnsite
This job is no longer open

At Lighthouse (formerly OTA Insight), we’re on a mission to reimagine commercial strategy for the hospitality industry. Our commercial platform simplifies data, transforming complexity into confidence with actionable market insights, business intelligence, and pricing tools that maximize revenue.
We successfully raised 80 million in series of B funding, we welcomed four companies to our organization and want to grow over 100 million in ARR in 2024. With more than 560 teammates illuminating the way, representing 34 nationalities living in 35 different countries of which 175 in Belgium alone, we are a fun, collaborative and committed team that works hard to achieve amazing results. Ready to take off and join this rocketship in revolutionizing the hospitality sector? 🚀

What you will do:


We are looking for a Full-stack Java Engineer! Are you passionate about development, scalable data architectures, complex data transformations, and handling large data streams on the fly - all to deliver the best BI solutions in the hospitality industry? Great, then read on!

Where you will have impact:


  • Research and test data processing methodologies, tools and frameworks
  • Implement streaming and batch data processing pipelines
  • SaaS and microservices architectures
  • Clean, analyse and extract datasets from external sources
  • Guarantee data integrity and quality by extending our logging, monitoring and outlier detection systems
  • Deploy and monitor applications in a reproducible and scalable way
  • Experiment, think about, and take ownership of a piece of our tech stack/infrastructure and find ways to improve it
  • Provide support to your team members and other teams in the company. We have a very open and flat structure and have a very short feedback loop on both internal and customer questions

About our team:


We are a small but high functioning team of 6 versatile engineers including 2 DevOps engineers. We support, build and maintain the Distribution Insight product within Lighthouse. Our product consists of many components. We monitor TCP packets within our customer’s data centres, decrypt and reconstruct these into transactions which are then sent on to an ETL component which feeds our in-house built and maintained BI tool. The team is responsible for building, maintaining, supporting and deploying all of these components for our customers to be able to process billions of transactions across our install base and trillions of data points extracted from those transactions, all in real-time to be reportable within 10 minutes of them originally occurring. This data allows our customers to analyse their whole business from booking errors to response times of search results, realtime channel continuity, monitoring the impact of upgrades and partner management to name a few!

Technologies you will work with:



  • Java, web frameworks (such as Ember, JSF, AngularJS), Google cloud, SQL, Docker, UNIX, C, Kafka, Python, Elasticsearch, AWS Lambda, Gitlab, Gitlab-CI, JIRA, Sonarqube, Snyk, Grafana, Zabbix

 (feel free to ask us why these are the best fit for us)

What's in it for you:


  • A flexible working environment where you can work from home or, if you live nearby, at one of our seven offices around the world
  • Ease of mind as we truly care about our team, e.g. by offering private health insurance from AXA for yourself and your family
  • Unlimited time off: we believe in providing our employees with the flexibility and autonomy to manage their work-life balance effectively
  • A compensation that values your work and which we will proactively keep competitive
  • A motivation to deliver your best work as we have built a high-bar and very talented team of individuals that are friendly, creative, open-minded and passionate about what they do
  • Workshops and frameworks that help employees realise their full career potential
  • A mandate to operationalize and democratise research through tools, training, and processes
  • The opportunity to shape the products that more than 85,000 users rely on worldwide
  • We know not everyone relaxes the same way; therefore, we’ve opted to support your general wellbeing by subsidising up to 80% of your monthly ClassPass subscription
  • A referral bonus scheme when you bring new talent to our #bestteamever!

Who you are:


  • Bachelor or Master degree in a software engineering field
  • Experience writing Java code
  • Fluency in SQL
  • Affinity with big data
  • You set a high bar for yourself, and expect others to do the same. You’ll find we have an exceptionally talented team and are constantly looking for the best people to join
  • You are passionate about what you do. What unites us is our passion for technology and applying it to solve hard problems.
  • You are creative, entrepreneurial and open to innovation. We strongly believe that everything can be improved. We expect you to think and learn about new technologies, and take initiative to try and suggest new things
  • You are a critical thinker who understands that perfect is the enemy of the good. We don’t over-engineer, but we do whatever it takes to achieve our goals.
  • You work well in a team, but don’t mind getting your hands dirty. You’ll quickly learn that we have a very open culture where everyone can be reached out to for help, ideas, feedback and much more. But everyone takes responsibility for their own work.
  • Fluent in English

We welcome:


  • Experience with any cloud platform;
  • Experience with UNIX based OSs;
  • Experience using web frameworks;
  • Good experience or an interest in processing large volumes of data;
  • Experience with TDD;
  • Knowledge of the most recent Java features (e.g. Record classes)

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 not just a policy; it's part of our culture.If you share our passion for innovation and teamwork, we invite you to join us in shaping the future of the hospitality industry. At Lighthouse, our guiding light is to be an equal opportunity employer, and we encourage individuals from all walks of life to apply.We value the unique perspective and talents that you bring, and we're excited to see how your light can shine within our team.

We can't wait to meet you and explore how we can grow and succeed together, illuminating the path towards a brighter future for the industry.

This job is no longer open

Life at Lighthouse

Lighthouse simplifies the complexities of ediscovery and information governance by the use of our intuitive technology solutions and comprehensive service offerings. Through our best-in-class expertise, Lighthouse stands apart as a leader in industry best practices and workflows. Our proactive, high-touch approach has enabled us to build enduring partnerships with the most respected corporations and law firms around the globe.
Thrive Here & What We Value* Flexible working environment with options for remote/office-based work (7 locations)* Unlimited time off, promoting healthy work-life balance* Motivation and support for high-quality work through a talented team* Opportunities to shape products used by over 85,000 users globally* Competitive compensation program valuing employee contributions* Extensive health insurance packages for employees/families* Referral bonus scheme for recruiting new talent* Commitment to diversity and inclusivity with equal opportunities* Tailored mobility options, including remote work arrangements or transportation (Belgium-specific)* Collaborative team focused on reimagining hospitality industry strategies
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