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Senior Full Stack Engineer

OpenTableKaunas, LithuaniaPosted 1 Nov 2026

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About this role

Senior Full Stack Engineer Location : Kaunas, In office 2 days per week With millions of diners, 70,000+ restaurant partners and 25+ years of experience, OpenTable, part of Booking Holdings, Inc. (NASDAQ: BKNG), is an industry leader with a passion for helping restaurants thrive. Our world-class technology empowers restaurants to focus on what matters most – their team, their guests, and their bottom line – while enabling diners to discover and book the perfect restaurant for every occasion.

Every employee at OpenTable has a tangible impact on what we do and how we do it. You’ll also be part of a global team and its portfolio of metasearch brands. Hospitality is all about taking care of others, and it defines our culture. About the Job Our Diner Growth - AdTech team owns the systems that carry conversion and revenue signals from OpenTable’s diner experiences to marketing partners. We work closely with our marketing partners to enable a wide range of Marketing technology, from attribution, email, CRM and analytics.

We’re a distributed team, and this hybrid role is based in Kaunas, Lithuania, with two days in the office each week. We’re improving how campaign, consent, booking, and revenue data move from the diner journey through web applications, backend services, and data pipelines. We partner closely with product, commercial, marketing, and engineering teams to make those signals accurate, timely, and privacy-aware. As a Senior Full Stack Engineer, you’ll help evolve our consumer web tracking and conversion event service, build new partner integrations, and work in related reservation systems when needed to close data gaps and improve reliability and scale.

Responsibilities Build consent-aware tracking across web booking journeys, preserving campaign identifiers and conversion data from entry points through reservation confirmation. Extend the conversion event service to process booking events and deliver reliable, partner-specific conversion and revenue signals. Build or improve integrations with external partners as priorities evolve, such as Sojern, Amadeus, Meta, Google, TikTok, Snapchat, and Reddit.

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Trace and improve data flows across frontend systems, backend services, and data pipelines to ensure attribution, reservation status, and revenue remain accurate throughout partner delivery. Work in related services, including reservation systems, when changes are needed to close data gaps for measurement. Partner with product, commercial, marketing, and engineering teams to define measurement needs, test end-to-end behaviour, and monitor data quality and delivery in production.

Minimum Qualifications At least five years of full-stack software engineering experience. Ability to develop and maintain backend services written in Java and TypeScript. Experience building user-facing applications with React. Working knowledge of GraphQL microservices. Experience integrating external services through their APIs and SDKs. Preferred Qualifications Experience with paid media measurement, conversion tracking, or marketing attribution.

Experience with event-driven services and data pipelines. Familiarity with privacy-aware tracking and consent signals. Experience ensuring data quality or debugging reliability issues across multiple services. Benefits and Perks Generous paid vacation + time off for your birthday: 20 days of paid vacation Enhanced paid parental leave Health and life insurance coverage through Compensa Work from (almost) anywhere for up to 20 days per year Focus on mental health and well-being: Company-paid therapy sessions through SpringHealth Company-paid subscription to Headspace Annual company-wide week off a year - the whole team fully recharges (and returns without a pile-up of work!) Focus on your career growth: Development Dollars Leadership development Access to thousands of on-demand e-learnings Travel Discounts Employee Resource Groups There are a variety of factors that go into determining a salary range, including but not limited to external market benchmark data, geographic location, and years of experience sought/required.

The salary range for this Kaunas located role is €50,000-52,500. In addition to a competitive base salary, this role is eligible for equity and an annual performance bonus in accordance with local law and company policy. Work Environment & Flexibility At OpenTable, we pride ourselves on fostering a global and dynamic work environment. As a team member with us, you will benefit from a schedule tailored to accommodate a global workforce operating across multiple time zones.

While the majority of your responsibilities may align with conventional business hours, there will be instances where you are expected to manage communications - via calls, Slack messages, or emails - outside of regular working hours to effectively collaborate with international colleagues, respond to restaurant partners, and/or address urgent matters. OpenTable will always abide by and consider local laws and regulations.

Inclusion We’re committed to creating a workplace where everyone feels they belong and can thrive. We know the best ideas come when we bring different voices to the table, so we're building a team as dynamic as the diners and restaurants we serve—and fostering a culture where everyone feels welcome to be themselves. If you need accommodations during the application or interview process, or on the job, we’re here to support you.

Please reach out to your recruiter to request any accommodations. #LI-Hybrid #LI-LT1

Source listing: greenhouse_opentable

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