{"id":2636199,"url":"https://alion.io/job/avenga-middle-java-engineer-2","title":"Middle Java Engineer","company":{"id":181252,"name":"Avenga","domain":"avenga.com","url":"https://alion.io/company/avenga","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"B","score":78,"open_postings":28,"ghost_share":0,"stale_share":0.893,"repost_share":0,"time_to_fill_p50_days":54,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Buenos Aires, Argentina"],"countries":["AR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Hibernate","optional":false},{"name":"Java","optional":false},{"name":"JUnit","optional":false},{"name":"Maven","optional":false},{"name":"Mockito","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false},{"name":"Apache Kafka","optional":true},{"name":"ChatGPT","optional":true},{"name":"Copilot","optional":true},{"name":"Cursor","optional":true},{"name":"Kotlin","optional":true},{"name":"Resilience4j","optional":true},{"name":"SonarQube","optional":true},{"name":"Spring Security","optional":true},{"name":"Testcontainers","optional":true}],"status":"live","first_seen_at":"2026-10-15T13:27:10Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-16T13:03:42Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets. \nAt the core of the role\nWe are seeking a Semi-Senior Java Developer to join a strategic initiative at one of Argentina's leading financial institutions. In this role, you will contribute to the development and evolution of backend services that support critical banking products and customer experiences. You will work with modern Java technologies, Spring Boot-based microservices, and event-driven architectures, participating in the bank's modernization process, including the migration from Java 8 to Java 21. This is an opportunity to contribute to high-impact systems operating in a highly regulated environment where security, scalability, and reliability are paramount. As part of a collaborative, cross-functional team, you will work closely with Software Engineers, Technical Leads, Product Owners, Quality Assurance Engineers, and Architects to design, implement, test, and maintain robust backend solutions. You will also have the opportunity to contribute to engineering best practices, CI/CD improvements, and the adoption of AI-assisted development tools throughout the development lifecycle.\nCore skills you’ll bring\n4+ years of experience developing backend applications with Java.\n\nStrong knowledge of Java 11+ (Java 17/21 is highly valued).\n\nHands-on experience with Spring Boot and REST API development.\n\nExperience designing and building Microservices architectures.\n\nKnowledge ofJPA/Hibernate and relational databases (PostgreSQL, Oracle, SQL Server, etc.).\n\nExperience with testing frameworks such as JUnit and Mockito.\n\nUnderstanding of CI/CD practices, Git, Maven, and Docker.\n\nExperience working with asynchronous processing and event-driven architectures.\n\nAbility to work autonomously and contribute to technical discussions and code reviews.\n\nNice-to-have\nExperience with Apache Kafka and messaging-based architectures.\n\nKnowledge ofMongoDB or other NoSQL databases.\n\nExperience with Spring Security and JWT-based authentication.\n\nUnderstanding of Hexagonal Architecture and SOLID principles.\n\nExperience in Banking, Fintech, Payments, or other regulated industries.\n\nKnowledge of Resilience4j, SonarQube, Testcontainers, or similar engineering tools.\n\nExperience using AI-assisted development tools such as GitHub Copilot, Cursor, or ChatGPT.\n\nExposure to Java 21 features and modernization initiatives.\n\nThe impact you'll create\nDevelop and maintain scalable backend services that support critical banking products and operations.\n\nContribute to the modernization of legacy systems and the adoption of modern Java development practices.\n\nEnsure software quality through automated testing, code reviews, and engineering best practices.\n\nCollaborate with cross-functional teams to deliver secure, reliable, and high-performing solutions.\n\nParticipate in the evolution of CI/CD processes and software delivery standards.\n\nHelp drive innovation through the responsible adoption of AI-powered development tools and modern engineering practices.\n\nPeople are at the core of Avenga. We provide equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to a respectful environment where everyone can be themselves, share their ideas, and feel that they belong.","description_format":"text","description_chars":3559,"description_truncated":false,"requirements":{"experience_years_min":4,"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":["IT Consulting & Digital Transformation","IT Outsourcing & Dedicated Teams","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-15T17:26:13Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":0,"expected_fill_days":54,"reasons":["conf:3","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-16T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/avenga-middle-java-engineer-2","json_url":"https://alion.io/job/avenga-middle-java-engineer-2.json","meta":{"generated_at":"2026-10-16T13:05:23Z","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":12501,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-17T00:00:00Z"}},"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":181252},"rest":"https://alion.io/mcp/rest/get_company?id=181252"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Favenga-middle-java-engineer-2"},{"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%2Favenga-middle-java-engineer-2"},{"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%2Favenga-middle-java-engineer-2"},{"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/avenga-middle-java-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Favenga-middle-java-engineer-2"}]}