{"id":3570286,"url":"https://alion.io/job/zensar-technologies-software-engineer-senior","title":"Software Engineer Senior","company":{"id":59576,"name":"Zensar Technologies","domain":"zensar.com","url":"https://alion.io/company/zensar-technologies","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"A","score":93,"open_postings":53,"ghost_share":0.075,"stale_share":0.094,"repost_share":0.358,"time_to_fill_p50_days":6,"computed_at":"2026-11-04T06:34:25Z"}},"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":["Belgrade, Serbia"],"countries":["RS"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":32000,"max_usd":96000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":7767},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ActiveMQ","optional":false},{"name":"CI/CD","optional":false},{"name":"Copilot","optional":false},{"name":"Git","optional":false},{"name":"Hibernate","optional":false},{"name":"Java","optional":false},{"name":"MS SQL","optional":false},{"name":"Oracle","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false},{"name":"Agile","optional":true},{"name":"Apache Camel","optional":true},{"name":"Apache Tomcat","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"Docker","optional":true},{"name":"ETL/ELT","optional":true},{"name":"Kubernetes","optional":true}],"status":"live","first_seen_at":"2026-10-26T11:15:12Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-11-04T10:57:03Z","board_verified":true,"closed_at":null,"days_open":9,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":9},"description":"Job Summary\nThe primary focus of this role is to contribute to the development and evolution of enterprise-grade Investor Services applications, delivering roadmap features, technical improvements, and client-driven enhancements.\nWe are looking for a hands-on Java engineer who can quickly understand an established enterprise codebase and become productive with limited ramp-up time. The role covers both application development and integration activities with internal and external systems.\nKey Responsibilities\nDesign, develop, test, and maintain Java-based enterprise applications and services.\nTake ownership of roadmap features, enhancements, defects, and technical improvements from analysis through implementation.\nQuickly understand existing application architecture, business logic, codebase, and integration patterns.\nDevelop and maintain REST APIs, services, messaging, and integrations with internal and external platforms.\nWork with Java, Spring/Spring Boot, Hibernate/JPA, REST, JMS/ActiveMQ, and SQL-based technologies.\nTroubleshoot complex issues across application, database, middleware, and integration layers.\nContribute to application modernization, security remediation, dependency upgrades, and technical-debt reduction.\nDeliver maintainable, testable, and secure code aligned with enterprise engineering standards.\nCollaborate with Product, QA, DevOps, Professional Services, and other engineering teams on releases and client commitments.\nRequired Skills & Experience\n5+ years of professional Java development experience, preferably with large-scale enterprise applications.\nStrong hands-on experience with Java and Spring/Spring Boot.\nSolid knowledge of REST APIs and enterprise integration patterns.\nExperience with relational databases and SQL, ideally MSSQL, Oracle, PostgreSQL, or similar.\nExperience with Hibernate/JPA or comparable persistence frameworks.\nExperience working with established, complex enterprise codebases rather than only greenfield applications.\nGood understanding of software design, debugging, performance, and application troubleshooting.\nExperience with Git, CI/CD, automated testing, and modern software-development practices.\nAbility to independently analyze existing functionality and deliver changes with limited supervision.\nStrong analytical, problem-solving, and communication skills.\nExperience with GitHub Copilot or other AI-assisted software-engineering tools.\nNice to Have\nExperience with JMS, ActiveMQ, Apache Camel, or similar messaging and integration technologies.\nExperience developing and maintaining microservices and integration services.\nExperience with Tomcat, Docker/Kubernetes, and cloud environments such as Azure or AWS.\nExperience with enterprise financial-services applications or other business-critical, transaction-oriented systems.\nKnowledge of security remediation, dependency upgrades, vulnerability management, and secure development practices.\nExposure to SWIFT, ISO 20022, API gateways, ETL/data integration, or similar enterprise integration technologies.\nTypical Experience\nBachelor’s degree in Computer Science, Engineering, or equivalent practical experience.\n5+ years of professional software-engineering experience with significant hands-on Java development.\nExperience maintaining and enhancing complex enterprise applications in a structured Agile delivery environment.\nKey Responsibilities\nDesign, develop, test, and maintain Java-based enterprise applications and services.\nTake ownership of roadmap features, enhancements, defects, and technical improvements from analysis through implementation.\nQuickly understand existing application architecture, business logic, codebase, and integration patterns.\nDevelop and maintain REST APIs, services, messaging, and integrations with internal and external platforms.\nWork with Java, Spring/Spring Boot, Hibernate/JPA, REST, JMS/ActiveMQ, and SQL-based technologies.\nTroubleshoot complex issues across application, database, middleware, and integration layers.\nContribute to application modernization, security remediation, dependency upgrades, and technical-debt reduction.\nDeliver maintainable, testable, and secure code aligned with enterprise engineering standards.\nCollaborate with Product, QA, DevOps, Professional Services, and other engineering teams on releases and client commitments.\nRequired Skills & Experience\n5+ years of professional Java development experience, preferably with large-scale enterprise applications.\nStrong hands-on experience with Java and Spring/Spring Boot.\nSolid knowledge of REST APIs and enterprise integration patterns.\nExperience with relational databases and SQL, ideally MSSQL, Oracle, PostgreSQL, or similar.\nExperience with Hibernate/JPA or comparable persistence frameworks.\nExperience working with established, complex enterprise codebases rather than only greenfield applications.\nGood understanding of software design, debugging, performance, and application troubleshooting.\nExperience with Git, CI/CD, automated testing, and modern software-development practices.\nAbility to independently analyze existing functionality and deliver changes with limited supervision.\nStrong analytical, problem-solving, and communication skills.\nExperience with GitHub Copilot or other AI-assisted software-engineering tools.\nNice to Have\nExperience with JMS, ActiveMQ, Apache Camel, or similar messaging and integration technologies.\nExperience developing and maintaining microservices and integration services.\nExperience with Tomcat, Docker/Kubernetes, and cloud environments such as Azure or AWS.\nExperience with enterprise financial-services applications or other business-critical, transaction-oriented systems.\nKnowledge of security remediation, dependency upgrades, vulnerability management, and secure development practices.\nExposure to SWIFT, ISO 20022, API gateways, ETL/data integration, or similar enterprise integration technologies.\nTypical Experience\nBachelor’s degree in Computer Science, Engineering, or equivalent practical experience.\n5+ years of professional software-engineering experience with significant hands-on Java development.\nExperience maintaining and enhancing complex enterprise applications in a structured Agile delivery 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