Senior Java Backend Developer - Microservices & Cloud Integration

Java Microservices Developer | Spring Boot, Core Java, Data Structures, Messaging Queues (Kafka/IBM MQ), Reactive Programming, PostgreSQL/Oracle

Job Summary
Synechron is seeking an experienced Java Microservices Developer to join our enterprise technology team. In this role, you will design, develop, and maintain scalable, resilient microservices and APIs leveraging Java, Spring Boot, and related frameworks. Your expertise will support the delivery of high-performance backend solutions, with a focus on secure and efficient systems integration. Working within an Agile environment, you will collaborate with cross-functional teams to continuously improve architecture, performance, and quality standards in alignment with business objectives.

Software Requirements

• Required: Java 8+, Spring Boot (version 2.0+), JPA, Hibernate, Spring Boot JDBC, Hazelcast, SQL (PostgreSQL or Oracle), Git, JIRA, Confluence, Maven, Agile/Scrum methodologies

• Preferred: Spring WebFlux (reactive programming), Kafka or IBM MQ, Docker, Kubernetes, CI/CD tools (Jenkins, Buildkite), cloud deployment experience (AWS, Azure, GCP)

• Experience Level: 5 to 6 years of hands-on Java development focusing on microservices architecture

Overall Responsibilities

• Develop, test, deploy, and enhance scalable Java microservices and REST APIs supporting enterprise business functions

• Incorporate core Java programming principles, including data structures, streams, and design patterns, into production-quality code

• Implement messaging systems such as Kafka or IBM MQ to enable reliable asynchronous communication among microservices

• Optimize database interactions through JPA, Spring Boot JDBC, and SQL, working with PostgreSQL or Oracle databases

• Collaborate with cross-disciplinary teams to understand requirements and translate them into effective technical solutions

• Conduct code reviews, ensure adherence to coding standards, and promote best practices for maintainability and scalability

• Troubleshoot issues promptly, conduct root cause analysis, and resolve both technical and performance problems

• Support automation of deployment pipelines and system performance tuning to ensure scalable and dependable deployment cycles

• Maintain comprehensive technical documentation, including system architecture, API specifications, and operational procedures

Technical Skills (By Category)

• Programming Languages:

  • Essential: Java (version 8+), core Java, streams, data structures, design patterns

  • Preferred: Spring WebFlux (reactive programming), Kotlin or Scala for microservices development

• Databases/Data Management:

  • PostgreSQL, Oracle, JPA, Hibernate, Spring Boot JDBC, schema design, query optimization

• Cloud Technologies:

  • Basic knowledge of cloud platforms (AWS, GCP, Azure) for deployment and scaling (preferred but not essential)

• Frameworks and Libraries:

  • Spring Boot, Spring Data, Hibernate, Kafka, IBM MQ, Hazelcast, OpenAPI/Swagger for API documentation

• Development Tools & Methodologies:

  • Git, Jenkins, Maven, CI/CD pipelines (Buildkite or Jenkins), Agile Scrum, TDD/BDD (JUnit, Cucumber, Rest Assured)

• Security & Protocols:

  • OAuth2, JWT, API security best practices, encryption standards, secure authentication mechanisms

Experience Requirements

• 5+ years of professional experience developing, deploying, and maintaining Java microservices

• Proven expertise with messaging queues such as Kafka or IBM MQ for decoupled service communication

• Strong knowledge of relational databases, including SQL query optimization and schema design for PostgreSQL or Oracle

• Experience working within Agile teams, conducting code reviews, and implementing CI/CD pipelines

• Industry experience in finance, banking, or fintech sectors is advantageous but not mandatory; equivalent large-scale enterprise experience is acceptable

Day-to-Day Activities

• Design, develop, and maintain microservices architecture aligned with business and technical requirements

• Review code, mentor junior developers, and enforce coding best practices

• Troubleshoot and resolve performance bottlenecks, bugs, and integration issues

• Collaborate with product managers and quality teams to ensure features meet functional and non-functional requirements

• Participate actively in sprint planning, stand-ups, and reviews to foster continuous improvement

• Conduct performance tuning, database query optimization, and system monitoring

• Document system designs, API specifications, and deployment procedures effectively

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field; equivalent experience acceptable

• 5+ years of dedicated experience in Java microservices development in enterprise environments

• Relevant certifications in Java, cloud platforms, or microservices architecture are advantageous

• Strong analytical mindset, problem-solving skills, and excellent communication capabilities

• Willingness to learn new frameworks, tools, and industry best practices to stay current in evolving technologies

Professional Competencies

• Strong analytical and troubleshooting skills with attention to detail

• Effective collaboration and stakeholder engagement skills

• Ability to manage multiple priorities and deliver results within deadlines

• Proactive learner with a growth mindset and openness to adopting new technologies

• Ownership mentality, with a focus on producing scalable, maintainable solutions

• Excellent organizational skills and ability to work effectively in a fast-paced, dynamic environment

S​YNECHRON’S DIVERSITY & INCLUSION STATEMENT

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

Candidate Application Notice

Experience Level

Senior Level