{"id":66513,"url":"https://alion.io/job/kayak-senior-java-software-engineer-platform-team","title":"Senior Java Software Engineer, Platform Team","company":{"id":3573,"name":"KAYAK","domain":"kayak.com","url":"https://alion.io/company/kayak","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"C","score":69,"open_postings":4,"ghost_share":0.25,"stale_share":0.5,"repost_share":0.25,"time_to_fill_p50_days":38,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kaunas, Lithuania"],"countries":["LT"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":3330,"max":6660,"currency":"EUR","period":"month","gross":true,"usd_annual":89568},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"CI/CD","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Platform Engineering","optional":false},{"name":"Spring Boot","optional":false},{"name":"Zero Trust","optional":true}],"status":"live","first_seen_at":"2026-08-20T14:24:49Z","employer_posted_date":"2026-08-20","last_verified_at":"2026-10-18T12:06:54Z","board_verified":true,"closed_at":null,"days_open":58,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":58},"description":"KAYAK, part of Booking Holdings (NASDAQ: BKNG), is a leading travel search engine. With billions of queries across our platforms, we help people find their perfect flight, stay, rental car and vacation package. We’re also transforming business travel with a new corporate travel solution, KAYAK for Business.\nAs an employee of KAYAK, you will be part of a travel company that operates a portfolio of global metasearch brands including momondo, Cheapflights and HotelsCombined, among others. From start-up to industry leader, innovation is in our DNA and every employee has an opportunity to make their mark. Our focus is on building the best travel search engine to make it easier for everyone to experience the world.\nThe Role\nOur Backend Platform team builds and maintains the core infrastructure, frameworks, and runtime systems that every engineering team at KAYAK relies on. We're looking for a Senior Software Engineer to join us in Kaunas and help evolve these shared foundations - improving how we deploy, observe, and scale our services so that product teams across the company can ship faster and more safely. You'll collaborate closely with teammates on technical decisions, contribute to meaningful platform improvements, and grow alongside a supportive group of experienced engineers.\nThis role requires working from our Kaunas office at least 3 days per week.\nIn this role you will:\nContribute to the evolution of shared backend platform capabilities, frameworks, and runtime patterns that engineering teams across the company can adopt consistently.\n\nHelp shape backend platform direction around Java code structure, service architecture, and standardisation of common runtime patterns such as Spring Boot-based services.\n\nImprove deployment quality and developer velocity by designing better CI/CD workflows, pull-request quality gates, and production-ready release practices.\n\nContribute to platform roadmap initiatives such as web gateways, multi-cluster deployment, faster pod startup, on-demand test environments, secure service-to-service communication, and AI-driven observability.\n\nPartner with product engineering teams to understand their infrastructure needs and translate those into platform improvements.\n\nParticipate in design reviews, share knowledge with colleagues, and help raise the overall quality of the team's technical output.\n\nPlease apply if you have:\n4+ years of backend or platform engineering experience, preferably in Java or a similar ecosystem, with strong experience designing and operating distributed systems at scale.\n\nHands-on experience with Kubernetes or similar container orchestration tools and cloud-native infrastructure.\n\nSolid understanding of backend service architecture, API design, and the trade-offs involved in building shared engineering platforms.\n\nExperience improving CI/CD pipelines, deployment processes, or test quality in production environments.\n\nA strong observability and reliability mindset, with practical experience in monitoring, troubleshooting, and improving operational health.\n\nGood communication skills and the ability to collaborate effectively with teams across the company.\n\nProfessional proficiency in written and spoken English.\n\nNice to have (not required):\nExperience with Spring / Spring Boot and modern JVM performance practices.\n\nFamiliarity with multi-cluster deployment models, zero-trust service communication, Kubernetes-hosted developer environments, or ephemeral test environments.\n\nEquivalent experience, training, or transferable skills are considered in place of any specific requirement listed above.\nCompensation:\nSalary consists of three elements:\nBase pay: from 3330 EUR up to 6660 EUR gross monthly.\nIn addition:\nSignificant yearly bonuses, approx 10 percent of annual salary.\n\nBooking Holdings RSU (Restricted Stock Units) package, worth 20000 USD gross, with possibility to receive yearly refreshes.\n\nBenefits:\nWork from (almost) anywhere for up to 20 days per year\n\nFunds for your career growth\n\nAccess to thousands of on-demand e-learnings\n\nGenerous additional Health Insurance\n\nFlexible sick time off\n\nAdditional financial support for your sick leave\n\nAdditional day off on your birthday\n\nCompany-wide vacation week once a year (winter holidays)\n\nAdditional financial support during parental leave\n\nFree lunch twice a week and daily snacks at the office\n\nFree yoga twice a week\n\nPaid volunteering time\n\nNo meeting Fridays\n\nOffice and team events such as summer camp, KAYAK birthday, winter party and more!\n\nCompany-paid therapy sessions through SpringHealth\n\nCompany-paid subscription to HeadSpace\n\nInternal Communities\n\nInclusion\nAt KAYAK, we want everyone to have the space to grow, share ideas and do great work. That’s why we’re focused on hiring the best talent from all walks of life and experiences, supporting them well and making sure no one feels like they have to fit a mold to belong here.\nIf 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.","description_format":"text","description_chars":5095,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Health insurance","Parental leave","Restricted stock units"],"hiring_locations":[{"name":"Lithuania","iso":"LT","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Price Comparison","Travel Technology"],"lifecycle":[{"event":"open","at":"2026-08-20T14:24:49Z"}],"visa":[],"liveness":{"score":29,"band":"fade","label":"Fading","p_open":1,"p_active":0.639,"p_room":0.45,"age_days":57,"expected_fill_days":38,"reasons":["conf:1","velocity","win:tail"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":89568,"is_top_pay":false},"html_url":"https://alion.io/job/kayak-senior-java-software-engineer-platform-team","json_url":"https://alion.io/job/kayak-senior-java-software-engineer-platform-team.json","meta":{"generated_at":"2026-10-18T13:11:51Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":19624,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":3573},"rest":"https://alion.io/mcp/rest/get_company?id=3573"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fkayak-senior-java-software-engineer-platform-team"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fkayak-senior-java-software-engineer-platform-team"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fkayak-senior-java-software-engineer-platform-team"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/kayak-senior-java-software-engineer-platform-team\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fkayak-senior-java-software-engineer-platform-team"}]}