Java Developer – Core Java, Multithreading, SQL, Database Design & Spring Boot

Synechron Technologies Pvt. Ltd._INDIA Company; Bengaluru; On-site; INR 1,200,000 - 2,100,000; Full time

Job summary

Synechron Technologies Pvt. Ltd. Bengaluru is seeking a Java Developer to build scalable enterprise applications and microservices using Core Java, Spring Boot, and REST APIs.

You will work on multithreading, SQL design, and secure, high-performance solutions within an Agile environment, with emphasis on code quality, reviews, and CI/CD practices.

Experience in Kafka, Docker, Kubernetes, cloud platforms, and OpenAPI are desirable.

Job description

Job Summary

Synechron is seeking a Java Developer to build, enhance, and support scalable enterprise applications and microservices. The role focuses on Core Java, multithreading, database design, SQL, and Spring Boot to deliver secure, reliable, and high-performing solutions.

Software Requirements

Required: Java 11+; Java 17 preferred Spring Boot 2.x/3.x and Spring Framework SQL and relational databases RESTful APIs and microservices Git, Maven or Gradle JUnit and Mockito CI/CD practices Familiarity with Agile delivery Preferred: Apache Kafka Docker and Kubernetes Cloud platforms such as AWS, Azure, or Google Cloud OpenAPI/Swagger and application monitoring tools

Overall Responsibilities

• Design, develop, test, and maintain Java applications and microservices.
• Build scalable solutions using Spring Boot.
• Apply Core Java, collections, exception handling, memory management, and design patterns.
• Develop concurrent applications using multithreading and concurrency concepts.
• Design database schemas, data models, stored procedures, and optimized SQL queries.
• Develop and integrate REST APIs.
• Troubleshoot defects and improve application performance.
• Participate in code reviews, technical design, documentation, and deployment activities.
• Collaborate with analysts, architects, quality assurance teams, and other stakeholders.
• Follow secure, maintainable, and resource-efficient development practices.

Technical Skills (By Category)

• Programming Languages:
  • Essential: Java 11+, Core Java, multithreading, concurrency, SQL.
  • Preferred: Java 17+, scripting languages.
• Databases/Data Management:
  • Essential: Relational database design, data modeling, joins, indexes, transactions, stored procedures, and query optimization.
  • Preferred: NoSQL, partitioning, replication, and execution-plan analysis.
• Cloud Technologies:
  • Essential: Understanding of application deployment and configuration environments.
  • Preferred: AWS, Azure, Google Cloud, Docker, or Kubernetes.
• Frameworks and Libraries:
  • Essential: Spring Boot, Spring MVC, Spring Data, Spring Security, JUnit, Mockito, and Hibernate/JPA.
  • Preferred: Kafka, Spring Cloud, WebFlux, OpenAPI, and resilience frameworks.
• Development Tools and Methodologies:
  • Essential: Git, Maven/Gradle, CI/CD, Agile, code reviews, testing, debugging, and documentation.
  • Preferred: Jenkins, GitHub Actions, SonarQube, centralized logging, and distributed tracing.
• Security Protocols:
  • Essential: HTTPS/TLS, secure API development, authentication, authorization, input validation, and secure handling of credentials.
  • Preferred: OAuth 2.0, OpenID Connect, JWT, and security scanning tools.

Experience Requirements

Typically 3-7 years of professional Java development experience. Hands-on experience with Spring Boot, microservices, REST APIs, multithreading, SQL, and relational databases. Experience with testing, Git, code reviews, CI/CD, troubleshooting, and performance tuning. Experience in financial services or another regulated industry is preferred. Equivalent experience, technical training, or demonstrable software projects may be considered in place of formal qualifications.

Day-to-Day Activities

Review requirements and technical designs. Develop Java and Spring Boot features and APIs. Create tests and optimize SQL queries and application performance. Participate in team meetings, code reviews, sprint activities, and design discussions. Investigate defects and production issues. Collaborate with architecture, quality assurance, deployment, and business teams. Maintain technical documentation and support release activities. Make implementation decisions within approved architecture, security, and delivery standards.

Qualifications

Bachelor’s degree in computer science, software engineering, information technology, or a related field, or equivalent practical experience. Java, Spring, cloud, database, or security certifications are preferred but not required. Completion of Synechron security, compliance, and role-specific training is required. Ongoing learning in Java, Spring Boot, databases, cloud, security, and software engineering is expected.

Professional Competencies

• Analytical thinking and structured problem solving.
• Clear written and verbal communication.
• Effective collaboration with technical and non-technical stakeholders.
• Ownership of assigned work and timely escalation of risks.
• Ability to adapt to changing requirements and learn new technologies.
• Focus on quality, security, performance, maintainability, and efficient use of technology resources.

SYNECHRON’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

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions.

Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms.

Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more.

Over the last 20+ years, our company has been honoured with multiple employer awards, recognising our commitment to our talented teams.

With top clients to boast about, Synechron has a global workforce of 14,500+, and has 58 offices in 21 countries within key global markets.

For more information on the company, please visit our website or LinkedIn community.

At Synechron, we are committed to integrating sustainability into our business strategy, ensuring responsible growth while minimizing environmental impact. Employees play a key role in driving our sustainability initiatives, from reducing our carbon footprint to fostering ethical and sustainable business practices across global operations.

All positions are required to adhere to our Sustainability and Health Safety standards, demonstrating a commitment to environmental stewardship, workplace safety, and sustainable practices.