{"schemaVersion":"jobsearcher.job.v1","id":"4fbe2d8ccc5949d621a8c6af","url":"https://jobsearcher.com/jobs/4fbe2d8ccc5949d621a8c6af","canonicalUrl":"https://jobsearcher.com/jobs/4fbe2d8ccc5949d621a8c6af","title":"Lead Java Developer","description":"*Lead JAVA Engineer*\n\n*O’Fallon MO – Day 1 Onsite*\n\n*Client: MasterCard*\n\n· BS in CS 10+ yrs. experience\n\n· Experience in object-oriented programming and concepts.\n\n· Experienced in Java backend application development.\n\n· Comfortable enough in handling algorithms, data structures, Data collections and system design problems\n\n· Expected to develop new APIs and host new end points.\n\n· Experienced in Distributed System development using Java/J2EE/Web Technologies.\n\n· Proven track record in delivering highly available, scalable systems on time.\n\n· Conversant in design patterns\n\n· Strong Experience with Microservices, Spring boot framework\n\n· Good understanding of web services and related standards like REST/JSON\n\n· Experience in Spring framework and other open-source frameworks.\n\n· Experience developing data-driven applications using an industry standard RDBMS (Oracle, DB2, SQL Server, MySQL, Informatica, etc.)\n\n· Experience in Unix based development environment.\n\n· Experience in both development and quality assurance activities.\n\n· Experience in QA methodologies, test automation and automation frameworks.\n\n· Experience in driving Integration testing, UAT with external vendors.\n\n· Experience in JUnit, Selenium is a plus.\n\n· Experience working in payments or financial services industry is a plus.\n\n· Exposure to Agile Methodologies\n\nJob Type: Contract\n\nPay: $59.52 - $62.96 per hour\n\nExpected hours: 40 per week\n\nExperience:\n* BS: 10 years (Required)\n* APIs: 1 year (Required)\n\nAbility to Relocate:\n* O'Fallon, MO: Relocate before starting work (Required)\n\nWork Location: On the road","company":"Viswam Creative Technologies","rawCompany":"viswam creative technologies","city":"O'Fallon","state":"MO","isRemote":false,"isActive":false,"createdAt":"2026-09-06T10:45:48.787Z","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":"Lead Java Developer","description":"*Lead JAVA Engineer*\n\n*O’Fallon MO – Day 1 Onsite*\n\n*Client: MasterCard*\n\n· BS in CS 10+ yrs. experience\n\n· Experience in object-oriented programming and concepts.\n\n· Experienced in Java backend application development.\n\n· Comfortable enough in handling algorithms, data structures, Data collections and system design problems\n\n· Expected to develop new APIs and host new end points.\n\n· Experienced in Distributed System development using Java/J2EE/Web Technologies.\n\n· Proven track record in delivering highly available, scalable systems on time.\n\n· Conversant in design patterns\n\n· Strong Experience with Microservices, Spring boot framework\n\n· Good understanding of web services and related standards like REST/JSON\n\n· Experience in Spring framework and other open-source frameworks.\n\n· Experience developing data-driven applications using an industry standard RDBMS (Oracle, DB2, SQL Server, MySQL, Informatica, etc.)\n\n· Experience in Unix based development environment.\n\n· Experience in both development and quality assurance activities.\n\n· Experience in QA methodologies, test automation and automation frameworks.\n\n· Experience in driving Integration testing, UAT with external vendors.\n\n· Experience in JUnit, Selenium is a plus.\n\n· Experience working in payments or financial services industry is a plus.\n\n· Exposure to Agile Methodologies\n\nJob Type: Contract\n\nPay: $59.52 - $62.96 per hour\n\nExpected hours: 40 per week\n\nExperience:\n* BS: 10 years (Required)\n* APIs: 1 year (Required)\n\nAbility to Relocate:\n* O'Fallon, MO: Relocate before starting work (Required)\n\nWork Location: On the road","datePosted":"2026-09-06T10:45:48.787Z","dateModified":"2026-09-06T10:45:48.787Z","hiringOrganization":{"@type":"Organization","name":"Viswam Creative Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"O'Fallon","addressRegion":"MO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"4fbe2d8ccc5949d621a8c6af"},"url":"https://jobsearcher.com/jobs/4fbe2d8ccc5949d621a8c6af"}}