{"id":3948133,"url":"https://alion.io/job/devtalents-senior-java-developer","title":"Senior Java Developer","company":{"id":4474048,"name":"Devtalents","domain":"devtalents.com","url":"https://alion.io/company/devtalents","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitee","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","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":{"min":25000,"max":32000,"currency":"PLN","period":"month","gross":null,"usd_annual":97476},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Hibernate","optional":false},{"name":"Java","optional":false},{"name":"Slack","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring Framework","optional":false},{"name":"Spring MVC","optional":false},{"name":"Spring Security","optional":false},{"name":"Apache Kafka","optional":true},{"name":"AWS","optional":true},{"name":"CI/CD","optional":true},{"name":"Datadog","optional":true},{"name":"Docker","optional":true},{"name":"GitLab","optional":true},{"name":"GraphQL","optional":true},{"name":"Jenkins","optional":true},{"name":"JUnit","optional":true},{"name":"Kotlin","optional":true},{"name":"Kubernetes","optional":true},{"name":"Mockito","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Prometheus","optional":true},{"name":"RabbitMQ","optional":true},{"name":"Rest API","optional":true},{"name":"Sentry","optional":true},{"name":"SQL","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2024-12-16T13:30:03Z","employer_posted_date":"2024-12-16","last_verified_at":"2026-11-08T23:17:47Z","board_verified":true,"closed_at":null,"days_open":692,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":692},"description":"About us:\n\nWe are looking for a Senior Java Developer to be a part of the DEVTALENTS team and contribute to the development of truly amazing solutions for businesses all over the world.\nJoining DEVTALENTS can be a life-changing decision for you, with endless benefits along the way. We provide top projects for which recruitment is not possible externally because of our wide range of partners. We value open and transparent communication, leveraging tools like Slack and generative AI to enhance collaboration and efficiency. We support continuous growth, encouraging you to step beyond your comfort zone and develop technically and personally. We are looking for an experienced Senior Java Developer to join our team and provide technical leadership and mentorship.\nYour Role:\nTake ownership of end-to-end feature development, from design to deployment.\n\nMake well-informed design decisions to ensure scalability, performance, security, and adherence to best practices.\n\nLead efforts in implementing and refining our microservices architecture, focusing on system integration and high availability.\n\nDrive continuous improvement through code reviews, mentorship, knowledge sharing, and collaboration with cross-functional teams.\n\nUtilize data and user insights to inform technical strategies and deliver robust, high-quality solutions.\n\nProactively identify opportunities for enhancements, optimizations, and quality improvements across the stack.\n\nRequirements\n\n Technical Expertise:\nProficiency in Java (version 17+), 6+ years of commercial experience.\n\nExpert-level experience with the Spring Framework (Spring Boot, Spring MVC), and Hibernate/JPA for ORM. Familiarity with Spring Security and other modern Java frameworks is a plus.\n\nHands-on experience with Docker and containerization technologies, as well as CI/CD pipelines (e.g., Jenkins, GitLab). Experience with Kubernetes and best practices in CI/CD is a bonus.\n\nStrong SQL skills and hands-on experience with relational databases. Exposure to NoSQL databases, PostgreSQL, and database performance tuning is advantageous.\n\nProficiency with JUnit, Mockito, and integration testing tools. Knowledge of performance testing and test automation frameworks is beneficial.\n\nExperience with AWS cloud infrastructure and microservices architecture. Understanding of DevOps tools (Terraform or CDK) and monitoring/logging tools (Prometheus, Datadog, Sentry) is a nice-to-have.\n\nProven track record in designing scalable, microservices-based systems. Familiarity with distributed systems, high-availability designs, and event-driven architectures (Kafka, RabbitMQ) is highly valued.\n\nHigher education with a profile in Computer Science or related\n\nEnglish level min. B2.\n\nAdditional Skills:\nUnderstanding of security best practices for Java applications and cloud environments.\n\nFamiliarity with authentication protocols (OAuth 2.0, OpenID Connect, JWT).\n\nKnowledge of API design (RESTful or GraphQL) and container orchestration tools (Kubernetes).\n\nMindset & Approach:\nPassion for continuous learning, tackling complex challenges, and driving innovation.\n\nA collaborative spirit that thrives in cross-functional, agile teams.\n\nExcellent communication skills, capable of explaining technical concepts to both technical and non-technical stakeholders.\n\nA mentor who supports and elevates mid-level and junior engineers, fostering a culture of knowledge sharing and continuous improvement.\n\nWhat We Offer:\nSignificant impact on product development and architectural decisions.\n\nA growth-oriented environment that encourages stepping out of your comfort zone, experimenting with new technologies, and advancing your technical expertise.\n\nOngoing training, workshops, and opportunities to stay at the cutting edge of technology.","description_format":"text","description_chars":3777,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Continuous learning"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-11-08T23:17:47Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.271,"p_room":0.28,"age_days":692,"expected_fill_days":32,"reasons":["conf:1","win:tail","crowd:"],"computed_at":"2026-11-09T00:41:01Z"},"pay":{"stated_usd_annual":97476,"is_top_pay":false},"html_url":"https://alion.io/job/devtalents-senior-java-developer","json_url":"https://alion.io/job/devtalents-senior-java-developer.json","meta":{"generated_at":"2026-11-09T00:41:01Z","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":1490,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":4474048},"rest":"https://alion.io/mcp/rest/get_company?id=4474048"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fdevtalents-senior-java-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fdevtalents-senior-java-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fdevtalents-senior-java-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/devtalents-senior-java-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fdevtalents-senior-java-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3948133}},{"tool":"search_jobs","arguments":{"company":"devtalents.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3948133},"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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