{"id":1580870,"url":"https://alion.io/job/dcv-technologies-middle-java-backend-developer-genai","title":"Middle Java Backend Developer - GenAI","company":{"id":890,"name":"DCV Technologies","domain":"dcvtechnologies.co.uk","url":"https://alion.io/company/dcv-technologies","size_band":"51-200","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":1100,"max":1200,"currency":"PLN","period":"day","gross":null,"usd_annual":78000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude","optional":false},{"name":"Cline","optional":false},{"name":"Copilot","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"GitHub","optional":false},{"name":"Hibernate","optional":false},{"name":"Java","optional":false},{"name":"Jenkins","optional":false},{"name":"Kubernetes","optional":false},{"name":"Maven","optional":false},{"name":"MySQL","optional":false},{"name":"Oracle","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false},{"name":"Splunk","optional":false},{"name":"Spring MVC","optional":false}],"status":"live","first_seen_at":"2026-10-01T12:19:53Z","employer_posted_date":null,"last_verified_at":"2026-10-01T12:19:53Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"Location: Warsaw, Poland\nWork Model: Hybrid - 1-3 days per week from the client office\nContract Type: B2B Contract\nAbout the Role\nWe are looking for a Mid-Level Java Developer / Java Backend Developer with experience in modern backend engineering and AI-assisted software development to join a high-performing engineering team delivering scalable, secure, and modern Java-based applications and services for a leading global client.\nThis is a hands-on development role suited to an experienced Java engineer with strong expertise in Java, Spring, REST APIs, microservices, databases, containers, CI/CD, and AI-assisted development tools.\nYou will be responsible for designing, developing, testing, and supporting reliable software solutions while working closely with cross-functional teams in an Agile/Scrum environment.\nKey Requirements\n5+ years of professional experience working with Java and related technologies.\n\nStrong hands-on experience with:\nJava / J2EE\n\nREST APIs\n\nSpring / Spring MVC\n\nJPA / Hibernate\n\nExperience designing and developing secure, reliable, scalable, and high-performance APIs.\n\nStrong database knowledge, including Oracle, MySQL, and at least one NoSQL database.\n\nPractical experience with microservices architecture and distributed systems.\n\nHands-on experience with Docker and Kubernetes or similar technologies.\n\nExperience with:\nGit\n\nMaven\n\nArtifactory\n\nJenkins\n\nCI/CD\n\nExperience with application monitoring and log-analysis tools such as Splunk, Humio, or equivalent.\n\nStrong ability to write clean, maintainable, testable, and well-structured Java code.\n\nExperience working in an Agile/Scrum environment.\n\nHands-on experience with AI-assisted development tools, such as:\nClaude\n\nCline\n\nGitHub Copilot\n\nSimilar AI coding tools\n\nStrong communication and collaboration skills.\n\nStrong sense of ownership for quality, delivery, and production stability.\n\nKey Responsibilities\nDesign, develop, test, and maintain scalable Java backend applications and services.\n\nDevelop and maintain REST APIs and microservices.\n\nBuild and support distributed applications using modern software architecture principles.\n\nWork with Docker, Kubernetes, and containerized environments.\n\nParticipate in system design, code reviews, troubleshooting, and performance optimization.\n\nDevelop and maintain CI/CD pipelines and deployment automation.\n\nSupport production applications, including log analysis, troubleshooting, and incident resolution.\n\nApply best practices around unit testing, code quality, security, and maintainability.\n\nUse AI-powered development tools to improve developer productivity, code quality, and delivery efficiency.\n\nIdentify opportunities for automation and continuous improvement.\n\nCollaborate with cross-functional teams in an Agile/Scrum environment.\n\nTake ownership of technical deliverables and ensure timely, high-quality delivery.\n\nCandidate Requirements\nCandidates must:\nHave 5+ years of professional Java development experience.\n\nBe open to completing a coding/technical assessment.\n\nBe comfortable with the hybrid working model, requiring 1-3 days per week from the client office in Warsaw.\n\nBe available to work on a B2B contract.\n\nBe comfortable with the indicated compensation range of PLN 1,100-1,200 per day.\n\nIdeal Candidate Profile\nThe ideal candidate is a hands-on Java Backend Developer with strong experience in enterprise application development, microservices, APIs, databases, containers, CI/CD, and production support.\nExperience with GenAI and AI-assisted development tools is an important part of the role. You should be comfortable using tools such as GitHub Copilot, Claude, Cline, or similar solutions as part of your software development workflow.\nYou will be expected to take ownership of technical deliverables, solve complex engineering problems, contribute to system design and code reviews, and work effectively within a fast-paced Agile engineering team.","description_format":"text","description_chars":3926,"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":[]},"benefits":["Hybrid work"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-01T13:05:10Z"}],"liveness":{"score":54,"band":"ok","label":"Likely open","p_open":1,"p_active":0.542,"p_room":1,"age_days":0,"expected_fill_days":35,"reasons":["seen:0","agency","velocity","win:early"],"computed_at":"2026-10-02T05:45:00Z"},"pay":{"stated_usd_annual":78000,"is_top_pay":false},"html_url":"https://alion.io/job/dcv-technologies-middle-java-backend-developer-genai","json_url":"https://alion.io/job/dcv-technologies-middle-java-backend-developer-genai.json","meta":{"generated_at":"2026-10-03T00:35:34Z","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":194,"day_limit":5000,"remaining_today":4806,"minute_limit":60,"resets_at":"2026-10-04T00:00:00Z"}}}