Java and React.js Full Stack Developer

Java & React.js Developer | Microservices, API Integration & Cloud Deployment

Job Summary
Synechron is seeking a skilled Java Full Stack Developer with experience in Spring Boot, RESTful web services, Kafka, and React. This role involves developing scalable, high-performance enterprise applications, integrating distributed systems, and collaborating across teams to deliver reliable software solutions. The candidate will maintain and enhance application capabilities, support operational stability, and implement best practices that align with organizational standards and strategic initiatives.

Software Requirements

Required Software Proficiency:

• Java (latest LTS version, e.g., Java 11 or 17) — extensive experience in enterprise Java development supporting scalable solutions

• Spring Boot framework — proven ability to design and implement microservices architectures in Java

• RESTful Web Services and APIs — strong experience developing and consuming APIs supporting distributed systems

• Kafka — hands-on experience with message streaming and event-driven architecture supporting high-throughput applications

• React.js (latest stable version) — solid skills in building user interfaces that integrate seamlessly with back-end services

• Version Control: Git and Bitbucket — proficient in source code management, branch management, and collaboration

Preferred Software Skills:

• Containerization: Docker for deploying and scaling applications

• Orchestration: Kubernetes (2+ years experience supporting containerized solutions)

• Build tools: Maven, Gradle supporting build automation in enterprise environments

• CI/CD pipelines: Jenkins, Azure DevOps, or GitLab supporting automated deployment processes

Overall Responsibilities

• Develop, test, and maintain scalable enterprise applications in Java, supporting both back-end and front-end interfaces using React.js

• Design and deliver microservices architecture leveraging Spring Boot, Kafka, and REST APIs

• Collaborate with product managers, UI/UX teams, and backend developers to translate requirements into robust, scalable solutions

• Conduct code reviews, enforce coding standards, and implement best practices for development and operational stability

• Troubleshoot production issues, optimize system performance, and support incident resolution

• Support cloud and container deployment, scaling, and automation efforts supporting enterprise solutions

• Maintain comprehensive technical documentation, system architecture diagrams, and operational procedures

• Drive continuous improvement initiatives, championing automation, and adopting emerging technologies

Technical Skills (By Category)

• Programming Languages & Frameworks (Essential):

  • Java (latest LTS, e.g., Java 11/17), Spring Boot — for backend, microservices, and API development

  • React.js (latest stable) — for building dynamic, user-centric frontend applications

  • Kafka — for event streaming and messaging system integration

• Databases & Data Management:

  • SQL databases: Oracle, SQL Server, PostgreSQL — for data persistence and integration support

  • Data streaming and real-time data processing support through Kafka

• Cloud & Infrastructure:

  • Deployment and scaling support on cloud platforms (AWS, Azure, GCP) (preferred)

  • Containerization with Docker; orchestration support with Kubernetes (2+ years)

• Build & Deployment Tools & Methodologies:

  • Maven/Gradle for build automation, Jenkins or Azure DevOps for CI/CD, Agile/Scrum methodologies supporting iterative development

• Security & Best Practices:

  • Knowledge of secure REST APIs, OAuth, token management, and best practices for secure code

Experience Requirements

• 3+ years of professional full-stack Java development supporting enterprise-scale applications

• Proven experience with Spring Boot microservices, REST APIs, and Kafka in production environments

• Demonstrated ability to integrate front-end React.js applications with back-end services

• Experience supporting deployments in cloud environments with containerization and orchestration tools

• Background working within Agile teams, participating in code reviews, and implementing automation strategies

Day-to-Day Activities

• Develop and optimize Java microservices and APIs for scalable enterprise applications

• Build React.js components and front-end interfaces aligned with UX specifications

• Collaborate with cross-functional teams including product, UI/UX, DevOps, and backend teams for feature delivery

• Troubleshoot and resolve performance, security, and integration issues proactively

• Support containerized deployment with Docker and Kubernetes, ensuring high-availability environments

• Conduct code reviews and mentor junior developers to maintain best practices

• Create and update documentation including architecture diagrams, deployment processes, and operational procedures

• Participate in sprint planning, daily stand-ups, and retrospectives supporting Agile workflows

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field

• 3+ years of experience supporting enterprise Java and React.js applications supporting scalable microservices architectures

• Certification in Java, Spring Boot, or cloud platforms (preferred)

• Proven experience with Kafka, REST APIs, and container orchestration supporting large-scale systems

Professional Competencies

• Strong analytical and troubleshooting skills supporting complex integration and performance issues

• Leadership qualities to guide development teams and enforce coding standards

• Excellent stakeholder communication and documentation skills

• Adaptability to evolving cloud, microservices, and API standards

• Innovative mindset supporting continuous learning, automation, and technology adoption

• Time management and organizational skills to prioritize multiple tasks effectively

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