{"schemaVersion":"jobsearcher.job.v1","id":"e6497d3dbf9ca7126d673b67","url":"https://jobsearcher.com/jobs/e6497d3dbf9ca7126d673b67","canonicalUrl":"https://jobsearcher.com/jobs/e6497d3dbf9ca7126d673b67","title":"Senior Full Stack Java Developer","description":"Senior Fullstack Java Developers | Berkeley Heights, NJJob Title: Senior Java Full Stack Developer (React/TypeScript)Location: Berkeley Heights, NJ (Onsite)Employment Type: Full-Time on ClarksTech’ s Payroll. No C2C allowed. Agencies, please excuse.Visa Type: Prefer visa independent candidates, but can consider H1-B transfer for strong candidiates meeting the expectations.Job Summary:We are seeking a highly skilled Senior Java Full Stack Developers with strong backend expertise in Core Java, Spring Boot, and Microservices, along with frontend development experience using React and TypeScript. The ideal candidate will also have solid experience with MongoDB, Oracle, MySQL, or PostgreSQL databases. You should be capable of working independently as well as in a collaborative team environment. We are looking for 1 Fullstack lead and 4 senior developers to join our team. Candidates should have FinTech or banking domain (Payments, Merchant Clearning) experiences.Key Responsibilities:Design, develop, and maintain scalable backend services using Core Java, Spring Boot, and Microservices architectureBuild and enhance responsive web applications using React and TypeScriptDesign and optimize queries for MongoDB, Oracle, MySQL, or PostgreSQLCollaborate closely with cross-functional teams to understand business requirements and translate them into technical solutionsEnsure high performance, security, and scalability of developed solutionsParticipate in code reviews, architecture discussions, and team mentorshipTroubleshoot and resolve issues in a timely manner across the full stackRequired Skills and Experience:8–12 years of experience in software development with a strong focus on Java backend technologiesExpertise in Core Java, Spring Boot, and MicroservicesProficiency in frontend technologies: React.js, TypeScript, HTML, CSSStrong experience with one or more databases: MongoDB, Oracle, MySQL, PostgreSQLSolid understanding of RESTful APIs, authentication mechanisms (JWT, OAuth)Experience with CI/CD pipelines and version control tools like GitAbility to work in a fast-paced, agile environment and deliver high-quality codeExcellent problem-solving and communication skillsNote:Must be willing to work onsite at our Berkeley Heights, NJ location. Hybrid model, 2 days a week.1 screening video interview with ClarksTech’s tech panel and 1 round of client interview.","company":"Clarkstech","rawCompany":"clarkstech","city":"Alpharetta","state":"GA","isRemote":false,"isActive":false,"createdAt":"2026-04-12T17:07:20.630Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"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":"Senior Full Stack Java Developer","description":"Senior Fullstack Java Developers | Berkeley Heights, NJJob Title: Senior Java Full Stack Developer (React/TypeScript)Location: Berkeley Heights, NJ (Onsite)Employment Type: Full-Time on ClarksTech’ s Payroll. No C2C allowed. Agencies, please excuse.Visa Type: Prefer visa independent candidates, but can consider H1-B transfer for strong candidiates meeting the expectations.Job Summary:We are seeking a highly skilled Senior Java Full Stack Developers with strong backend expertise in Core Java, Spring Boot, and Microservices, along with frontend development experience using React and TypeScript. The ideal candidate will also have solid experience with MongoDB, Oracle, MySQL, or PostgreSQL databases. You should be capable of working independently as well as in a collaborative team environment. We are looking for 1 Fullstack lead and 4 senior developers to join our team. Candidates should have FinTech or banking domain (Payments, Merchant Clearning) experiences.Key Responsibilities:Design, develop, and maintain scalable backend services using Core Java, Spring Boot, and Microservices architectureBuild and enhance responsive web applications using React and TypeScriptDesign and optimize queries for MongoDB, Oracle, MySQL, or PostgreSQLCollaborate closely with cross-functional teams to understand business requirements and translate them into technical solutionsEnsure high performance, security, and scalability of developed solutionsParticipate in code reviews, architecture discussions, and team mentorshipTroubleshoot and resolve issues in a timely manner across the full stackRequired Skills and Experience:8–12 years of experience in software development with a strong focus on Java backend technologiesExpertise in Core Java, Spring Boot, and MicroservicesProficiency in frontend technologies: React.js, TypeScript, HTML, CSSStrong experience with one or more databases: MongoDB, Oracle, MySQL, PostgreSQLSolid understanding of RESTful APIs, authentication mechanisms (JWT, OAuth)Experience with CI/CD pipelines and version control tools like GitAbility to work in a fast-paced, agile environment and deliver high-quality codeExcellent problem-solving and communication skillsNote:Must be willing to work onsite at our Berkeley Heights, NJ location. Hybrid model, 2 days a week.1 screening video interview with ClarksTech’s tech panel and 1 round of client interview.","datePosted":"2026-04-12T17:07:20.630Z","dateModified":"2026-04-12T17:07:20.630Z","hiringOrganization":{"@type":"Organization","name":"Clarkstech","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Alpharetta","addressRegion":"GA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"e6497d3dbf9ca7126d673b67"},"url":"https://jobsearcher.com/jobs/e6497d3dbf9ca7126d673b67"}}