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Direct message the job poster from Droisys Droisys is an innovation technology company focused on helping companies accelerate their digital initiatives from strategy and planning through execution. We leverage deep technical expertise, Agile methodologies, and data-driven intelligence to modernize systems of engagement and simplify human/tech interaction. Amazing things happen when we work in environments where everyone feels a true sense of belonging and when candidates have the requisite skills and opportunities to succeed. At Droisys, we invest in our talent and support career growth, and we are always on the lookout for amazing talent who can contribute to our growth by delivering top results for our clients. Join us to challenge yourself and accomplish work that matters. Location:: St. Louis, MO Rate:: $70-78/hr Max. Job Description: We are seeking an experienced Lead Java Architect to oversee the conversion of existing TIBCO-based applications to a modern Spring Boot microservices architecture. The ideal candidate will possess deep expertise in Java, Spring Boot, with a proven track record of leading complex migration projects. This role involves architectural design, technical leadership, hands-on development, and mentoring team members to ensure successful project delivery. Responsibilities: • Lead the architectural design and implementation of migrating TIBCO-based applications to Spring Boot. • Collaborate with stakeholders to define requirements, scope, and project plans for the migration. • Design and implement scalable, secure, and resilient microservices using Spring Boot. • Analyze existing TIBCO workflows, services, and integrations to plan efficient migration strategies. • Define best practices and standards for the migration, including coding, testing, and deployment. • Oversee the development of APIs, microservices, and data flow integration to ensure seamless functionality post-conversion. • Conduct performance optimization and ensure high availability of migrated services. • Provide technical mentorship to team members, fostering knowledge sharing and skill development. • Collaborate with DevOps teams to define CI/CD pipelines and deployment strategies. • Conduct code reviews to ensure adherence to architectural and quality standards. Required Skills and Qualifications: • 10+ years of experience in Java application development and architecture. • Extensive experience with Spring Boot, Spring Framework, and Java-based microservices. • Hands-on experience with TIBCO middleware (BusinessWorks, EMS, or equivalent) and migration to modern platforms. • Deep understanding of RESTful APIs, API gateways, and microservices architecture. • Familiarity with messaging systems such as Kafka, RabbitMQ, or similar. • Strong knowledge of database systems, including SQL and NoSQL databases. • Proficient in DevOps practices, including CI/CD pipelines, Jenkins, and Git. • Strong problem-solving and analytical skills with a focus on performance optimization. • Excellent communication and leadership skills, with the ability to collaborate with cross-functional teams. Droisys is an equal opportunity employer. We do not discriminate based on race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. Droisys believes in diversity, inclusion, and belonging, and we are committed to fostering a diverse work environment Seniority level Seniority level Mid-Senior level Employment type Employment type Contract Job function Job function Information Technology Industries Software Development Referrals increase your chances of interviewing at Droisys by 2x Get notified about new Java Architect jobs in St Louis, MO . Java Architect with TIBCO_Maryland Heights, MO (Hybrid)_Only on W2_No 1099/C2C Java Architect with Camunda experience - onsite Software Engineering Senior Managers-Hybrid St Louis, MO $117,000.00-$199,300.00 1 week ago Delivery Consultant - Application Architect, WWPS ProServe Senior Software Engineer (Java/J2EE, Spring Boot, Microservices) St Louis, MO $143,520.00-$207,306.67 1 month ago St Louis, MO $150,000.00-$190,000.00 1 week ago Senior Software Engineer - Java, AWS, Python (AI Focus) Site Reliability Engineer II - Real-Time We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr