{"id":3761461,"url":"https://alion.io/job/aristocrat-leisure-back-end-developer","title":"Back End developer","company":{"id":8402,"name":"Aristocrat Leisure","domain":"aristocrat.com","url":"https://alion.io/company/aristocrat","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":86,"open_postings":19,"ghost_share":0,"stale_share":0.474,"repost_share":0.158,"time_to_fill_p50_days":37,"computed_at":"2026-11-08T05:47:12Z"}},"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":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Apache Kafka","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Redis","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-04T18:42:10Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-08T01:37:35Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"At Aristocrat, we are inventing the future of gaming through our innovative solutions and powerful technology. You will join the core Research and Development team as a Back End Developer, contributing to scalable, asynchronous, cloud-based, and event-driven systems. This position is ideal for those passionate about designing seamless software solutions and crafting world-class back-end systems.\nThis is a hybrid position based in Warsaw. Team members are required to be in the office three days per week, with flexibility to select their in-office days based on personal preference and business needs.\nOur dynamic culture encourages cooperation, diversity, and continual progress, ensuring that every team member is empowered to make significant contributions. By joining us, you'll enjoy working with motivated professionals, nurturing a spirit of collective brilliance. At Aristocrat, we are committed to your growth and success, equipping you with the tools and assistance required to excel in a fast-paced environment.\nWhat You'll Do\nEngineer outstanding software development and innovative back-end builds.\nImplement sophisticated back-end solutions to improve system performance and scalability.\nEncourage collaboration across R&D teams to refine software development processes within the SDLC.\nAdvance Agile practices through collaborative efforts with Front-End engineers and Quality Assurance teams.\nAssure excellence in code through detailed reviews.\nUse AI-powered tools to improve efficiency, streamline processes, and support data-driven decision-making.\nTroubleshoot and rectify complex technical challenges.\nWhat We're Looking For\nHold a bachelor’s degree in computer science or a related field.\n6+ years of experience as a software developer.\nProficient in Java and Spring Boot frameworks.\nOpenness to AI tools and willingness to adapt to an environment using AI: must have.\nProficient with NoSQL databases, especially MongoDB or equivalent experience.\nExperienced with SQL databases, notably Postgres: beneficial.\nProficiency with Kafka and Redis is a strong asset.\nA solid grasp of microservices architecture, reactive programming, and big data insights is highly advantageous.\nA background with Kubernetes is beneficial.\nJoin us at Aristocrat and become part of a team dedicated to bringing happiness to life through the power of play!\nThis job description may have been reviewed and enhanced using AI-assisted tools to improve clarity, consistency, and inclusivity. All final content, role requirements and hiring decisions remain subject to human review and approval by Aristocrat.\nCompensation Philosophy\nWe offer a comprehensive pay and benefits package designed to stay competitive in the market, support your wellbeing, and recognise your contribution to our success. Our approach is underpinned by a pay-for-performance belief in rewarding individual impact. Your specific compensation package will be determined by factors such as your skills, experience, qualifications, and location. \nDepending on your role and location, you may be eligible for annual bonuses and incentives, health and wellbeing benefits, paid time off, retirement plans, insurance coverage, and other local or statutory benefits. \nSpecific details about compensation and benefits for this position will be discussed during the recruitment process.","description_format":"text","description_chars":3350,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Annual bonuses","Insurance coverage","Retirement plans"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Mobile Games","iGaming & Gambling"],"lifecycle":[{"event":"open","at":"2026-11-04T18:42:10Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":37,"reasons":["conf:4","velocity","win:early","comp:brand"],"computed_at":"2026-11-08T05:47:12Z"},"pay":null,"html_url":"https://alion.io/job/aristocrat-leisure-back-end-developer","json_url":"https://alion.io/job/aristocrat-leisure-back-end-developer.json","meta":{"generated_at":"2026-11-08T10:14:28Z","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":22053,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"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":8402},"rest":"https://alion.io/mcp/rest/get_company?id=8402"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Faristocrat-leisure-back-end-developer"},{"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%2Faristocrat-leisure-back-end-developer"},{"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%2Faristocrat-leisure-back-end-developer"},{"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/aristocrat-leisure-back-end-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Faristocrat-leisure-back-end-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3761461}},{"tool":"search_jobs","arguments":{"company":"aristocrat.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3761461},"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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