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Java React Developer | Scalable Web Applications | Java & React.js Expert Job Opening In Mumbai – Now Hiring Synechron

Java React Developer | Scalable Web Applications | Java & React.js Expert

    India Jobs Expertini Expertini India Jobs Mumbai Other General Java React Developer | Scalable Web Applications | Java & React.js Expert

Job description

Job Summary

Synechron is seeking an experienced and technically proficient Java React Developer to join our dynamic team.

In this role, you will be instrumental in designing, developing, and maintaining scalable, high-performance web applications.

You will collaborate closely with cross-functional teams—including UI/UX designers, product managers, and QA professionals—to deliver innovative solutions that meet business needs.

Your expertise will contribute to the continuous technical evolution of our products, ensuring optimal performance, security, and user experience.

This position offers an opportunity to lead complex projects and mentor junior team members, ultimately driving business success through high-quality software delivery.

Software Requirements

Required software proficiency:

  • Java (Java SE and Java EE, with a focus on Java 8 or later)

  • React.js (latest stable release or version 8+)

  • Modern JavaScript (ES6+)

  • Build tools: Webpack, Babel

  • Backend frameworks: Spring Boot / Spring MVC

  • Version control: Git

  • Database management: SQL (MySQL, PostgreSQL), NoSQL (MongoDB)

  • CI/CD tools and pipelines (e.g., Jenkins, GitLab CI)

  • Development environments: IntelliJ IDEA, Visual Studio Code

  • Preferred software skills:

  • Containerization: Docker, Kubernetes

  • Cloud platforms: AWS, Azure, or GCP

  • Monitoring tools: New Relic, Splunk

  • Overall Responsibilities

  • Lead the design, development, and maintenance of scalable web applications using Java and React.js, ensuring responsiveness and performance.

  • Drive the architecture discussions for complex projects, providing technical guidance and best practices.

  • Implement, review, and enforce coding standards, documentation, and testing protocols to maintain high-quality and secure software.

  • Collaborate with UI/UX designers to translate design prototypes into functional interfaces; work with product managers to interpret requirements.

  • Optimize application performance, scalability, and security in line with industry best practices.

  • Mentor and support junior developers, fostering continuous learning and growth within the team.

  • Participate in Agile/Scrum ceremonies, including planning, sprint reviews, and retrospectives, to ensure iterative delivery.

  • Keep abreast of emerging technologies and integrate relevant advancements to improve our development processes and solutions.

  • Contribute to continuous improvement initiatives focusing on code quality, security, and system reliability.

  • Technical Skills (By Category)

    Programming Languages:

  • Java (v8 or later), JavaScript (ES6+), React.js (latest or v8+)

  • TypeScript, other modern front-end frameworks

  • Databases / Data Management:

  • SQL databases (MySQL, PostgreSQL), NoSQL databases (MongoDB)

  • Data modeling and optimization techniques

  • Cloud Technologies:

  • Experience deploying applications on cloud platforms (AWS, Azure, GCP)

  • Frameworks and Libraries:

  • Spring Boot, React.js

  • Additional libraries such as Redux, RxJS

  • Development Tools & Methodologies:

  • Source control: Git

  • Build automation and CI/CD: Jenkins, GitLab CI, or equivalent

  • Agile methodologies: Scrum, Kanban

  • Security Protocols:

  • Understanding of secure coding practices, OAuth, JWT, and basic security standards

  • Experience Requirements

  • Minimum of 8 years of professional experience in software development with a focus on Java backend and modern front-end technologies.

  • Proven track record in designing and delivering enterprise-grade web applications.

  • Demonstrable experience in leading development teams and participating in architecture discussions.

  • Strong understanding of RESTful API design, microservices architecture, and integration processes.

  • Exposure to cloud deployment, automation, and DevOps practices.

  • Experience working in Agile/Scrum environments.

  • Candidates with professional alternate experience in relevant domains or equivalent hands-on capabilities are encouraged to apply.

    Day-to-Day Activities

  • Architecting and coding new features for web applications following best practices.

  • Conducting code reviews to ensure adherence to quality and security standards.

  • Collaborating with UI/UX teams to implement design requirements effectively.

  • Participating in daily stand-ups, sprint planning, and retrospective meetings.

  • Troubleshooting and debugging application issues, optimizing code performance.

  • Mentoring junior team members, sharing knowledge, and promoting best practices.

  • Keeping project documentation up to date and preparing technical specifications.

  • Monitoring application performance and system health, proposing improvements.

  • Qualifications

  • Bachelor's or Master’s degree in Computer Science, Software Engineering, or a related field.

  • Relevant certifications (e.g., Oracle Java Certifications, React certifications) preferred.

  • Commitment to continuous professional development through training, workshops, or industry events.

  • Professional Competencies

  • Analytical mindset with robust problem-solving skills.

  • Effective communicator capable of articulating technical concepts clearly to diverse audiences.

  • Leadership qualities with the ability to mentor and guide team members.

  • Strong teamwork, collaboration, and stakeholder management skills.

  • Ability to adapt to changing priorities and new technologies.

  • Open to innovative ideas and continuous learning.

  • Excellent time management skills to prioritize tasks efficiently

  • 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.

    Required Skill Profession

    Other General


    • Job Details

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    The Work Culture

    An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Synechron adheres to the cultural norms as outlined by Expertini.

    The fundamental ethical values are:

    1. Independence

    2. Loyalty

    3. Impartiapty

    4. Integrity

    5. Accountabipty

    6. Respect for human rights

    7. Obeying India laws and regulations

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    Synechron interview tips for Java React Developer | Scalable Web Applications | Java & React.js Expert

    Here are some tips to help you prepare for and ace your Java React Developer | Scalable Web Applications | Java & React.js Expert job interview:

    Before the Interview:

    Research: Learn about the Synechron's mission, values, products, and the specific job requirements and get further information about

    Other Openings

    Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

    Dress Professionally: Choose attire appropriate for the company culture.

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