{"schemaVersion":"jobsearcher.job.v1","id":"6bd584cd2976a2165dc117bb","url":"https://jobsearcher.com/jobs/6bd584cd2976a2165dc117bb","canonicalUrl":"https://jobsearcher.com/jobs/6bd584cd2976a2165dc117bb","title":"Java Engineer","description":"We're Hiring: Java Engineer (Onsite) 📍 O'Fallon, Missouri 🚨 LOCAL CANDIDATES ONLY — Non-local applicants will not be considered 🕐 5 Days Onsite (In-person interview required) 💰 Rate: $42/hr W2 | $48/hr C2C 🛂 Any visa accepted except H1B TransferRole Overview: We're looking for a Java Engineer with strong hands-on expertise in enterprise Java development and cloud-native architecture.Requirements: ✅ 5-8+ years of hands-on Java/J2EE development experience ✅ Strong background in Microservices architecture and REST API development ✅ Proficient in Oracle Database with complex SQL query writing ✅ Cloud experience with AWS or Azure; familiarity with PCF (Pivotal Cloud Foundry) a plus ✅ Solid grasp of design principles: SOLID, DRY, Single Responsibility ✅ Exposure to modern tech stack: NiFi, NATS, Kafka, Zookeeper, Splunk, Redis, Cassandra ✅ Experience driving end to end development, code reviews, test strategy, and cross functional collaboration ✅ Strong performance optimization and code review skillsIdeal Candidate: A senior/lead level backend developer who can be a strong individual contributor while also driving technical decisions and mentoring across teams.📍 Please only apply if you are local to O'Fallon, MO or the surrounding St. Louis metro area and can attend an in-person interview.📩 Interested candidates, please share your updated resume and best time to connect.#JavaJobs #Hiring #MissouriJobs #C2C #JavaDeveloper #Microservices #CloudNative #ITStaffingWant me to also draft a short screening question set (to filter for location upfront before resumes come in), or is this ready to post as-is?","company":"Sapphire Tech Consulting","rawCompany":"sapphire tech consulting","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-09-15T08:32:14.840Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"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":"Java Engineer","description":"We're Hiring: Java Engineer (Onsite) 📍 O'Fallon, Missouri 🚨 LOCAL CANDIDATES ONLY — Non-local applicants will not be considered 🕐 5 Days Onsite (In-person interview required) 💰 Rate: $42/hr W2 | $48/hr C2C 🛂 Any visa accepted except H1B TransferRole Overview: We're looking for a Java Engineer with strong hands-on expertise in enterprise Java development and cloud-native architecture.Requirements: ✅ 5-8+ years of hands-on Java/J2EE development experience ✅ Strong background in Microservices architecture and REST API development ✅ Proficient in Oracle Database with complex SQL query writing ✅ Cloud experience with AWS or Azure; familiarity with PCF (Pivotal Cloud Foundry) a plus ✅ Solid grasp of design principles: SOLID, DRY, Single Responsibility ✅ Exposure to modern tech stack: NiFi, NATS, Kafka, Zookeeper, Splunk, Redis, Cassandra ✅ Experience driving end to end development, code reviews, test strategy, and cross functional collaboration ✅ Strong performance optimization and code review skillsIdeal Candidate: A senior/lead level backend developer who can be a strong individual contributor while also driving technical decisions and mentoring across teams.📍 Please only apply if you are local to O'Fallon, MO or the surrounding St. Louis metro area and can attend an in-person interview.📩 Interested candidates, please share your updated resume and best time to connect.#JavaJobs #Hiring #MissouriJobs #C2C #JavaDeveloper #Microservices #CloudNative #ITStaffingWant me to also draft a short screening question set (to filter for location upfront before resumes come in), or is this ready to post as-is?","datePosted":"2026-09-15T08:32:14.840Z","dateModified":"2026-09-15T08:32:14.840Z","hiringOrganization":{"@type":"Organization","name":"Sapphire Tech Consulting","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"6bd584cd2976a2165dc117bb"},"url":"https://jobsearcher.com/jobs/6bd584cd2976a2165dc117bb"}}