{"id":2111756,"url":"https://alion.io/job/mindbox-api-developer","title":"API Developer","company":{"id":53456,"name":"Mindbox","domain":"mindboxgroup.com","url":"https://alion.io/company/mindbox","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Traffit","truth_index":{"grade":"A","score":87,"open_postings":71,"ghost_share":0,"stale_share":0.493,"repost_share":0.028,"time_to_fill_p50_days":53,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":47000,"max_usd":91000,"period":"year","method":"role_country_seniority_unknown","sample_n":924},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon EKS","optional":false},{"name":"Amazon S3","optional":false},{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"AWS Fargate","optional":false},{"name":"GraphQL","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Maven","optional":false},{"name":"Postman","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false},{"name":"SOAP","optional":false},{"name":"SoapUI","optional":false},{"name":"Spring Boot","optional":false},{"name":"Swagger","optional":false},{"name":"CI/CD","optional":true}],"status":"live","first_seen_at":"2026-05-12T12:57:58Z","employer_posted_date":"2026-05-12","last_verified_at":"2026-10-18T04:12:34Z","board_verified":true,"closed_at":null,"days_open":158,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":158},"description":"At Mindboxwe connect top IT talents with technology projects for leading enterprises across Europe.\nWe’re seeking an API Developer with strong Java expertise to work within a cross-functional engineering team, responsible for delivering secure, high-performing services at scale. You’ll be working with modern Java, Spring Boot, and cloud-native patterns including API-first design and event-driven architecture on AWS.\nSounds like your kind of challenge?\n#LI- Hybrid - 8 days per month from the office in Kraków\nResponsibilities\n Flexible cooperation model - choose the form that suits you best(B2B, employment contract, etc.)\n\nHybrid work setup - 8 days per month from the office in Kraków\nCollaborative team culture - work alongside experienced professionals eager to share knowledge \nContinuous development - access to training platforms and growth opportunities \nComprehensive benefits - including Interpolska Health Care, Multisport card, Warta Insurance, and more \nHigh quality equipment - laptop and essential software provided \nRequirements\nDesign, build, and maintain scalable APIs and backend services using Java, Spring Boot, Maven\nCollaborate closely with product owners, architects, and testers to deliver high-quality, business-aligned solutions\nDesign APIs following industry standards (REST, plus GraphQL/SOAP where applicable) ensuring versioning, backward compatibility, and resilience\nIntegrate internal and third-party APIs with robust error handling and observability\nBuild event-driven services with Kafka or similar: manage topics, schema evolution, and message reliability\nDeploy on AWS using EKS/Kubernetes, Fargate, Redis, RDS, S3, Route 53\nMaintain quality through automated testing, performance tuning, and production support in line with the “you build it, you run it” principle\nProduce API documentation using OpenAPI/Swagger and update runbooks as needed\nContribute to security-by-design practices and continuous improvement\nNote:Detailed project information will be shared during the recruitment process.\nBenefits\nProven back-end development experience in Java\nStrong hands-on expertise with Spring Boot and build tools (e.g., Maven)\nSolid knowledge of API architecture and integration patterns (REST, GraphQL, SOAP)\nExperience with common API tools like Postman, Swagger/OpenAPI, SoapUI\nFamiliar with data formats (JSON, XML) and backend fundamentals (caching, resilience, service design)\nAbility to diagnose issues, optimize performance, and deliver reliable solutions\nGreat collaboration skills and clear technical communication\nNice to Have\nExperience with event-driven architecture and Kafka at scale\nFamiliarity with AWS cloud services (Kubernetes/EKS, Fargate, Redis, RDS, S3, Route 53)\nUnderstanding of modern CI/CD pipelines, security practices, and observability tools\nStrong analytical mindset with a pragmatic, delivery-focused approach\nJoining this project you’llbecome part of Mindbox - a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. 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