Senior Java Integration Engineer

Direct message the job poster from Programmers.io Senior Talent Acquisition @ Programmers.ai | IT & Non-IT Recruitment | Certified LinkedIn Recruiter | MBA | BS in IT Programmers.io is currently looking for an Senior Java Integration Engineer Hybrid Role in Hartford, Connecticut, United States Contract Role - Open for C2C , W2 OR 1099 Job Summary: We are seeking a highly skilled and experienced Senior Java Integration Engineer to join our technology team. The ideal candidate will have deep expertise in Java , Spring Boot , Microservices architecture , and integration services , along with a strong understanding of design patterns and scalable software architecture . You will play a key role in designing and developing robust, scalable systems that integrate seamlessly across platforms and services.

Key Responsibilities

Design, develop, and maintain scalable Java-based microservices using Spring Boot . Architect and implement integration solutions for internal and third-party services (e.g., REST, SOAP, MQ, Kafka). Apply design patterns and best practices in coding, architecture, and integration strategies. Collaborate with cross-functional teams to gather requirements and translate them into technical solutions.

Build and maintain APIs and service contracts for integration with front-end and external systems. Ensure high performance, security, and responsiveness of applications. Participate in architectural discussions, design reviews, and contribute to improving technical standards. Troubleshoot and resolve issues across multiple systems and environments.

Document system designs, integration flows, and technical specifications. Required Skills and Experience: 8+ years of hands-on experience in Java development. Strong experience with Spring Boot and Spring Cloud ecosystem. In-depth knowledge of Microservices architecture and service orchestration.

Experience

designing and implementing Integration Services (RESTful APIs, message brokers like Kafka/RabbitMQ, file-based integrations, etc.). If you are interested, please apply or feel free to share your updated resume at Seniority level Seniority level Mid-Senior level Employment type Employment type Contract Job function Job function Information Technology Industries IT Services and IT Consulting Referrals increase your chances of interviewing at Programmers.io by 2x Sign in to set job alerts for “Java Software Engineer” roles. Hartford, CT $117,200.00-$193,400.00 3 days ago Connecticut, United States $133,100.00-$252,900.00 1 day ago Bristol, CT $114,900.00-$161,300.00 1 day ago Full Stack Developer- Connecticut Location Connecticut, United States $128,300.00-$203,000.00 1 day ago Full Stack React Developer - Connected Factory (Onsite) East Hartford, CT $101,000.00-$203,000.00 1 week ago Staff Software Development Java Engineer Hartford, CT $118,450.00-$284,280.00 1 week ago Java Senior Software Development Engineer Hartford, CT $92,700.00-$222,480.00 1 week ago Connecticut, United States $160,000.00-$240,000.00 1 week ago Full stack Java Developer with Selenium Scripts - C56282_ 4.8 Hartford, CT Backend Senior Developer - C65724 4.6 Hartford, CT Sr. Full Stack Software Engineer - GraphQL, ASP/.NET Core, React/Next.js (Remote) Glastonbury, CT $95,700.00-$143,000.00 2 weeks ago Hartford, CT $101,970.00-$203,940.00 2 weeks ago Connecticut, United States $130,000.00-$180,000.00 1 month ago Hartford, CT $101,970.00-$203,940.00 1 month ago Sr Full Stack Java / Heavy UI Software Developer Sr Full Stack Java / Heavy UI Software Developer Deloitte Technology Product Engineering Fullstack Software Engineer Vision360 Hartford, CT $97,600.00-$200,600.00 1 week ago Springfield, MA $150,000.00-$210,000.00 1 week ago Hartford, CT $110,000.00-$120,000.00 2 months ago Manager, Full-Stack Software Engineer - Fintech & Tax Domain Hartford, CT $107,700.00-$221,200.00 1 week ago We’re unlocking community knowledge in a new way.

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