{"schemaVersion":"jobsearcher.job.v1","id":"136988bd152ebdf285adc2c0","url":"https://jobsearcher.com/jobs/136988bd152ebdf285adc2c0","canonicalUrl":"https://jobsearcher.com/jobs/136988bd152ebdf285adc2c0","title":"Sr. Core java Developer","description":"Role: Sr Core Java DeveloperLocation: New York City, NY/ Pittsburgh, PA (Onsite)Core JavaStrong expertise in Java 8/11/17+ featuresObject-Oriented Programming (OOP)Collections FrameworkGenericsException HandlingReflection APIJava Streams and Lambda ExpressionsFunctional InterfacesI/O and NIOJVM InternalsMemory ManagementGarbage CollectionClass Loading MechanismConcurrency & MultithreadingThread LifecycleSynchronizationExecutor FrameworkCallable and FutureConcurrent CollectionsLocks and Atomic ClassesFork/Join FrameworkThread Pool DesignDeadlock Analysis and ResolutionDesign & ArchitectureSOLID PrinciplesDesign Patterns (Factory, Singleton, Strategy, Observer, Builder, Adapter, etc.)Object-Oriented DesignLow-Level Design (LLD)High-Level Design (HLD)Microservices ArchitectureEvent-Driven ArchitectureDatabase SkillsSQL Query OptimizationDatabase DesignIndexing and Performance TuningExperience with databases such as MySQL, PostgreSQL, or Oracle DatabaseFrameworks & ToolsSpring FrameworkSpring BootHibernate / JPAApache Maven or GradleGitAdditional Preferred SkillsRESTful API developmentDistributed systemsCaching technologiesMessage queuesContainerization and orchestrationCloud platformsCI/CD implementationExperience12+ years of Java development experience.Proven experience building enterprise-scale applications.Experience leading development teams and mentoring engineers.Soft SkillsStrong analytical and problem-solving abilities.Excellent communication and stakeholder management skills.Ability to drive technical discussions and architectural decisions.","company":"Envision Technology Solutions","rawCompany":"envision technology solutions","city":"New York","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-06-04T23:58:21.536Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Sr. Core java Developer","description":"Role: Sr Core Java DeveloperLocation: New York City, NY/ Pittsburgh, PA (Onsite)Core JavaStrong expertise in Java 8/11/17+ featuresObject-Oriented Programming (OOP)Collections FrameworkGenericsException HandlingReflection APIJava Streams and Lambda ExpressionsFunctional InterfacesI/O and NIOJVM InternalsMemory ManagementGarbage CollectionClass Loading MechanismConcurrency & MultithreadingThread LifecycleSynchronizationExecutor FrameworkCallable and FutureConcurrent CollectionsLocks and Atomic ClassesFork/Join FrameworkThread Pool DesignDeadlock Analysis and ResolutionDesign & ArchitectureSOLID PrinciplesDesign Patterns (Factory, Singleton, Strategy, Observer, Builder, Adapter, etc.)Object-Oriented DesignLow-Level Design (LLD)High-Level Design (HLD)Microservices ArchitectureEvent-Driven ArchitectureDatabase SkillsSQL Query OptimizationDatabase DesignIndexing and Performance TuningExperience with databases such as MySQL, PostgreSQL, or Oracle DatabaseFrameworks & ToolsSpring FrameworkSpring BootHibernate / JPAApache Maven or GradleGitAdditional Preferred SkillsRESTful API developmentDistributed systemsCaching technologiesMessage queuesContainerization and orchestrationCloud platformsCI/CD implementationExperience12+ years of Java development experience.Proven experience building enterprise-scale applications.Experience leading development teams and mentoring engineers.Soft SkillsStrong analytical and problem-solving abilities.Excellent communication and stakeholder management skills.Ability to drive technical discussions and architectural decisions.","datePosted":"2026-06-04T23:58:21.536Z","dateModified":"2026-06-04T23:58:21.536Z","hiringOrganization":{"@type":"Organization","name":"Envision Technology Solutions","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"New York","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"136988bd152ebdf285adc2c0"},"url":"https://jobsearcher.com/jobs/136988bd152ebdf285adc2c0"}}