{"id":2122958,"url":"https://alion.io/job/obi-full-stack-engineer-java-kotlin-vue-js-b2b","title":"Full Stack Engineer (Java, Kotlin, Vue.js) (B2B)","company":{"id":2754559,"name":"OBI","domain":"obi.pl","url":"https://alion.io/company/obi-pl","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"contractor","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Katowice, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":39000,"max_usd":72000,"period":"year","method":"role_country_seniority_unknown","sample_n":863},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"Vue.js","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-06T13:05:09Z","employer_posted_date":null,"last_verified_at":"2026-10-06T13:05:09Z","board_verified":false,"closed_at":null,"days_open":5,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":5},"description":"Responsibilities\nWe are looking for a full stack engineer who wants to develop and evolve systems powering product and assortment management within a large retail ecosystem. You will contribute to building scalable backend services and frontend applications, working in an event-driven environment. You will collaborate closely with engineers, product owners, and architects to deliver reliable and maintainable solutions across the full stack.\nYour key responsibilities include:\nDevelop and maintain backend services, APIs, and integrations using Java/Kotlin and Spring Boot. \n\nBuild and maintain frontend applications using Vue.js. \n\nTranslate business and product requirements into scalable and maintainable full stack solutions. \n\nContribute to event-driven architectures and asynchronous processing using Kafka. \n\nSupport integration of systems within AWS cloud and containerized environments. \n\nWork with PostgreSQL and design reliable data models. \n\nCollaborate with product, business, and engineering teams and contribute to code quality, testing, and system reliability.\n\nQualifications\nCompleted university degree in Computer Science or a comparable technical field. \n\n3–5 years of experience in full stack development using Java/Kotlin and Vue.js. \n\nGood understanding of REST APIs, microservices, and frontend-backend integration. \n\nHands-on experience or exposure to Kafka or similar messaging systems. \n\nExperience working with PostgreSQL or similar databases. \n\nFamiliarity with AWS, CI/CD, and containerization. \n\nStrong communication skills in English and Polish, with readiness to work in a hybrid model in Katowice.\n\nAbout OBI Smart Technologies\nWHO ARE WE:\nWe are a joint venture between OBI and Reply Group, responsible for co-designing, building and operating mission-critical digital platforms for commerce, customer service, and omnichannel retail.\nOUR MISSION:\n\"We unite technology leadership with deep retail vision to implement standardized processes and scalable digital products that drive efficient support for one of Europe’s largest DIY retailers. Leveraging proven best practices, we advance the internationalization of products and the digital mindset of our partners, delivering consistent and business-critical solutions to support the targets of our customer.\"\n\nTech stack\nJava\nKotlin\nVue.js\nREST API\nMicroservices\nKafka\nPostgreSQL\nAWS\nCI/CD","description_format":"text","description_chars":2378,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-08T23:50:21Z"}],"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":21,"reasons":["seen:3","velocity","win:early"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/obi-full-stack-engineer-java-kotlin-vue-js-b2b","json_url":"https://alion.io/job/obi-full-stack-engineer-java-kotlin-vue-js-b2b.json","meta":{"generated_at":"2026-10-11T20:22:26Z","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":8298,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-12T00:00:00Z"}},"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":2754559},"rest":"https://alion.io/mcp/rest/get_company?id=2754559"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fobi-full-stack-engineer-java-kotlin-vue-js-b2b"},{"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%2Fobi-full-stack-engineer-java-kotlin-vue-js-b2b"},{"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%2Fobi-full-stack-engineer-java-kotlin-vue-js-b2b"},{"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/obi-full-stack-engineer-java-kotlin-vue-js-b2b\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fobi-full-stack-engineer-java-kotlin-vue-js-b2b"}]}