{"id":3536822,"url":"https://alion.io/job/ciklum-senior-java-engineer","title":"Senior Java Engineer","company":{"id":181259,"name":"Ciklum","domain":"ciklum.com","url":"https://alion.io/company/ciklum","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"inferred_payroll_markers","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":81000,"max_usd":209000,"period":"year","method":"global_role_seniority_cell","sample_n":7767},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Amazon EventBridge","optional":false},{"name":"Amazon S3","optional":false},{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CI/CD","optional":false},{"name":"DynamoDB","optional":false},{"name":"GitLab CI","optional":false},{"name":"Gradle","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"Terraform","optional":false}],"status":"live","first_seen_at":"2026-10-30T10:08:50Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-10-31T17:15:25Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Ciklum is looking for a Senior Java Engineer to join our team full-time in Poland.\nWe are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.\nAbout the role:\nAs a Senior Java Engineer, become a part of a cross-functional development team engineering experiences of tomorrow.\nAn American partner known for selling and distributing tickets for various events. One of the leading providers of booking and ticketing services in the arts and entertainment industry, operating on a global scale.\nResponsibilities:\nOwn the full software development lifecycle: design, development, testing, deployment and maintenance\nDesign and build backend services: develop RESTful APIs and microservices with Java and Spring Boot\nBuild serverless and event-driven systems: serverless application services and data pipelines on Kafka, queues\nIntegrate with third-party partners: build and maintain secure integrations with external APIs, including Auth flows and webhooks\nDocument system architecture: create and maintain sequence diagrams that show how services interact and how data flows between them\nManage data stores: design, implement and maintain databases and caching layers, with a focus on data modeling, integrity, performance and maintainability\nApply DevOps practices: manage and improve CI/CD pipelines in GitLab CI/CD for fast, reliable builds, tests and deployments\nRun infrastructure as code: use Terraform and Kubernetes to manage infrastructure and scale services across multiple cloud regions\nOperate what you build: monitor production services, investigate incidents and keep systems reliable during high-traffic events\nCollaborate with the team: review code, give constructive feedback and share knowledge\nWork in an agile way: work in a Lite Agile environment and adapt to changing requirements\nRequirements:\n5+ years of backend development experience\nStrong Java and Spring Boot skills: deep knowledge of the language, the Spring ecosystem and build tooling such as Gradle\nAPI design: experience designing, consuming and architecting REST APIs\nCloud and serverless: hands-on experience with AWS services such as Lambda, DynamoDB, S3, SQS and EventBridge\nEvent streaming: experience with Kafka or similar messaging systems\nDatabases: hands-on experience with NoSQL databases and caching (for example DynamoDB and Redis)\nAuthentication: solid understanding of OAuth 2.0 and secure handling of user data\nTesting: experience writing unit and integration tests for distributed systems\nArchitecture and dependency analysis: able to produce sequence diagrams and technical documentation from implementation requirements\nDevOps and CI/CD: proficiency with CI/CD tools, especially GitLab CI/CD\nKubernetes and Terraform: experience with both for container orchestration and infrastructure management\nFluent English: excellent written and spoken communication\nOpenness and adaptability: willing to learn new tools and technologies as needed\nAI-assisted development: hands-on experience with AI coding assistants such as in day-to-day work, and the judgment to review and validate AI-generated code before it ships\nWhat’s in it for you?\nStrong community: Work alongside top professionals in a friendly, open-door environment\nGrowth focus: Take on large-scale projects with a global impact and expand your expertise\nTailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications\nEndless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies\nFlexibility: Enjoy flexibility - full remote working possibilities\nCare: We've got you covered with company-paid premium medical package through Luxmed\nBenefits: Access the MyBenefit cafeteria platform, allowing you to choose perks that best suit your lifestyle and needs\nAbout us:\nAt Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.\nWith delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation-and your impact reaches millions.\nExplore, empower, engineer with Ciklum!\nInterested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.","description_format":"text","description_chars":4846,"description_truncated":false,"requirements":{"experience_years_min":5,"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":["Cafeteria"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-30T17:54:54Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-10-31T06:23:40+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":22,"reasons":["conf:2","velocity","win:early"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/ciklum-senior-java-engineer","json_url":"https://alion.io/job/ciklum-senior-java-engineer.json","meta":{"generated_at":"2026-11-01T03:01:16Z","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":4613,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"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":181259},"rest":"https://alion.io/mcp/rest/get_company?id=181259"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fciklum-senior-java-engineer"},{"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%2Fciklum-senior-java-engineer"},{"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%2Fciklum-senior-java-engineer"},{"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/ciklum-senior-java-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fciklum-senior-java-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3536822}},{"tool":"search_jobs","arguments":{"company":"ciklum.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3536822},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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