{"id":932926,"url":"https://alion.io/job/atolls-senior-java-backend-engineer-mfx-3","title":"Senior Java Backend Engineer (m/f/x)","company":{"id":668922,"name":"Atolls","domain":"atolls.com","url":"https://alion.io/company/atolls","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":94,"open_postings":8,"ghost_share":0,"stale_share":0.25,"repost_share":0,"time_to_fill_p50_days":52,"computed_at":"2026-09-28T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Berlin, Germany"],"countries":["DE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":74000,"max_usd":133000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":57},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Clean Architecture","optional":false},{"name":"DynamoDB","optional":false},{"name":"GraphQL","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"MySQL","optional":false},{"name":"Prompt Engineering","optional":false},{"name":"Spring Boot","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"CI/CD","optional":true},{"name":"GCP","optional":true}],"status":"live","first_seen_at":"2026-01-26T15:25:46Z","employer_posted_date":"2026-09-25","last_verified_at":"2026-09-28T14:29:39Z","board_verified":true,"closed_at":null,"days_open":245,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":244},"description":"Atolls is the world’s largest community-driven shopping platform, active in 20+ markets. \nWe help millions make smarter spending decisions across discovery, evaluation, and (re-)purchase by connecting people with the right brands and retailers.\nOur 1,000+ team across 10 countries builds products used every day at global scale, where you’ll have real ownership and see your impact. Want to shape the destinations people rely on to shop with confidence? Keep reading.\nAbout This Role:\nWe are looking for a Senior Java Backend Engineer to join our Engineering team in Berlin or remotely from Germany. In this role, you will design, build, and scale high-performance backend systems using modern Java technologies and cloud-native architectures.\nYou will work on complex systems where reliability, clean architecture, and strong engineering standards matter, helping Atolls build backend services that can support growth across markets and platforms.\nOur Benefits:\nAt Atolls, we believe in nurturing both your professional and personal growth. Here’s what you can expect:\nA culture that values personal and professional development, with internal mobility opportunities.\nA supportive and open-minded team that embraces diverse perspectives and innovative ideas.\n32 days of paid vacation plus your birthday off, giving you the time you need to recharge.\nA flexible hybrid working scheme to balance work and life.\nAccess to a learning budget and internal training to help you grow in your role.\nMental health coaching to support your well-being.\nRegular global and local get-togethers to celebrate successes and build connections.\nThe possibility of taking a sabbatical after three years with the company.\nA cloud-based company setup, providing flexibility and collaboration opportunities no matter where you are.\n*These are global benefits that apply to all employees, with additional local perks based on your location.\nResponsibilities:\nAs a Senior Java Backend Engineer, you will:\nDesign, develop, and maintain scalable backend services using Java 17 or other recent versions (11+).\nBuild and evolve microservice-based and event-driven architectures\nDevelop APIs usingGraphQL\nWork with Spring Boot and Spring Reactive (WebFlux)\nDesign and optimize data models using MySQL and NoSQL databases (DynamoDB or MongoDB)\nEnsure high performance, reliability, and scalability of backend systems\nWrite clean, maintainable, and well-tested code\nImplement performance testing and end-to-end testing\nCollaborate closely with product managers, frontend engineers, and DevOps\nContribute to architectural decisions and technical best practices\nMentor junior engineers and provide technical leadership when needed\nCollaborate on AI-enabled features, including prompt engineering and backend integrations\n Your Profile:\n8+ years of professional experience in backend development\nStrong expertise in Java 17 or other recent versions (11+)\nExtensive experience with Spring Boot and Spring Reactive\nSolid knowledge of MySQL and experience with NoSQL databases (DynamoDB or MongoDB)\nHands-on experience with Kubernetes\nStrong understanding of microservice architecture and event-driven systems\nExperience building and consuming GraphQL APIs\nProven experience with performance optimization and testing\nExperience with end-to-end testing strategies\nExperience with prompt engineering for AI-powered applications\nExcellent understanding of software design and architectural patterns\nAbility to design elegant, scalable, and maintainable system architectures\nStrong communication skills and excellent English proficiency\n Bonus points: \nCloud experience (AWS/GCP/Azure)\nExperience with CI/CD pipelines\nExperience building AI-integrated backend systems\nOur hiring process:\nTA Call: Meet one of our Talent Experts and get to know Atolls better.\n Technical Round: Focus on the technical aspects of the role (Through a Live Case), and meet your potential manager.\nFinal Round: Meet other AtolliansIt varies from 1 to 3 interviews\n\n*Some processes might slightly change according to needs\nReady to apply?\nBe part of a destination where your work helps millions of people make better decisions every day. One focused application is all we need. If you truly fit more than one role, you’re welcome to apply to up to three. This helps us match you with the right opportunity faster.\n\nWe review every application with equal care and will reach out if your profile aligns. Apply now with your CV in English.\nAt Atolls, we want to ensure that all employees can thrive in an inclusive environment. Our employment opportunities are open to every gender, race, religion, age, sexual orientation, ability, place of origin, or socioeconomic status. We remain committed to a culture of diversity, equity and belonging, where all employees are welcomed, respected, connected, and engaged. \nAs part of our recruitment process at Atolls, we use AI tools for interview recording and transcription. These tools are designed to assist our teams and are never used independently to make hiring decisions. Every assessment and hiring decision is made by our hiring panel and team through human judgment.\nBefore your first interview, you will receive an email with the option to opt out. You can also change your preference at any time during the recruitment process by using the link in that email or by contacting your Talent Acquisition Partner.\nThe use of AI, or the choice not to use it, will not affect your application in any way.","description_format":"text","description_chars":5486,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Equity","Hybrid work","Professional development"],"hiring_locations":[{"name":"Germany","iso":"DE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Price Comparison","Coupons, Deals & Cashbacks"],"lifecycle":[{"event":"open","at":"2026-09-15T12:41:04Z"},{"event":"close","at":"2026-09-25T14:57:44Z"},{"event":"reopen","at":"2026-09-25T23:58:32Z"}],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.273,"p_room":0.28,"age_days":244,"expected_fill_days":52,"reasons":["conf:5","velocity","win:tail","crowd:"],"computed_at":"2026-09-28T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/atolls-senior-java-backend-engineer-mfx-3","json_url":"https://alion.io/job/atolls-senior-java-backend-engineer-mfx-3.json","meta":{"generated_at":"2026-09-28T22:07:56Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":107,"day_limit":5000,"remaining_today":4893,"minute_limit":60,"resets_at":"2026-09-29T00:00:00Z"}}}