Full Stack Engineer – Node.js, React.js, TypeScript & NoSQL

Synechron · Bengaluru

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Job Summary

Synechron is seeking a Senior Full Stack Engineer with strong expertise in ReactJS, NodeJS, JavaScript, TypeScript, HTML, CSS, and NoSQL databases. The role will focus on building and maintaining high-performance enterprise web applications across both front-end and backend layers.

The successful candidate will develop responsive user interfaces, scalable backend services, REST APIs, and efficient data solutions. The role will contribute to application performance, build and deployment automation, debugging, monitoring, testing, production support, and Agile delivery practices.

Software Requirements

Required

• ReactJS: 5+ years of experience developing responsive web applications and reusable UI components.
• NodeJS: 5+ years of experience developing backend services and REST APIs.
• JavaScript and TypeScript: 5+ years of hands-on development experience.
• HTML and CSS: 5+ years of experience creating responsive and accessible web interfaces.
• NoSQL databases: 5+ years of experience with data storage, retrieval, and efficient data management.
• React concepts: Strong understanding of component architecture, state management, reusability, and maintainable UI design.
• Data Structures: Knowledge of data structures and their practical application in software development.
• Performance engineering: Hands-on experience with performance tuning, bottleneck identification, debugging, monitoring, and optimization.
• Build automation and CI/CD: Experience automating build, test, and deployment processes.
• Testing and code quality: Experience participating in code reviews, application testing, defect resolution, and production support.
• Agile delivery: Ability to collaborate with cross-functional teams in an iterative software development environment.

Preferred

• Experience supporting Banking or Retail domain applications.
• Exposure to Agile/Scrum methodologies.
• Experience with application monitoring and performance analysis tools.
• Experience designing reusable full-stack components and shared development utilities.
• Experience optimizing application resource usage to support efficient and sustainable processing.

Overall Responsibilities

• Develop scalable and responsive enterprise web applications using ReactJS and NodeJS.
• Build reusable, testable, maintainable, and high-performance UI components using React and TypeScript.
• Design, develop, integrate, and maintain REST APIs and backend services.
• Apply JavaScript, TypeScript, HTML, and CSS to deliver functional and responsive application features.
• Work with NoSQL databases and implement efficient data storage, retrieval, and management practices.
• Optimize application performance by identifying bottlenecks, analyzing system behavior, and implementing improvements.
• Debug application issues across front-end, backend, integration, and data layers.
• Monitor application performance and support timely investigation and resolution of production issues.
• Architect and automate build, testing, and deployment processes.
• Contribute to CI/CD implementation and improvements to delivery reliability.
• Participate in code reviews and promote consistent coding, testing, and documentation practices.
• Collaborate with cross-functional teams, including product, quality assurance, engineering, and business stakeholders.
• Support production activities, incident resolution, root-cause analysis, and post-release validation.
• Deliver solutions that meet defined requirements for performance, quality, maintainability, reliability, and security.
• Use application and infrastructure resources efficiently by considering performance, scalability, and sustainability during solution design.

Technical Skills (By Category)

Programming Languages

Essential

• JavaScript with 5+ years of professional experience.
• TypeScript with 5+ years of professional experience.
• HTML with 5+ years of professional experience.
• CSS with 5+ years of professional experience.
• Strong knowledge of data structures.
• Ability to apply modern web development practices across front-end and backend solutions.

Preferred

• Experience developing reusable TypeScript utilities, shared components, or application libraries.
• Experience applying language features and coding practices that improve performance, maintainability, and testability.

Databases/Data Management

Essential

• 5+ years of experience with NoSQL databases.
• Understanding of data modeling, data access, storage, retrieval, and performance considerations in NoSQL environments.
• Ability to design efficient data management solutions for high-performance web applications.
• Experience troubleshooting data-related application issues.

Preferred

• Experience optimizing NoSQL queries, indexes, and data access patterns.
• Experience supporting data migration, scaling, or availability improvements.
• Experience applying data-retention and resource-efficiency practices.

Cloud Technologies

Essential

• Ability to support application build, deployment, monitoring, and production operations in the project’s designated environment.
• Understanding of infrastructure and deployment considerations for full-stack applications.

Preferred

• Experience deploying and supporting ReactJS and NodeJS applications in cloud environments.
• Familiarity with cloud-based monitoring, scalability, availability, and resource optimization.
• Experience supporting cloud-based CI/CD and application modernization initiatives.

Frameworks and Libraries

Essential

• ReactJS.
• NodeJS.
• React component architecture and state management.
• Libraries and frameworks required for REST API development and backend service implementation.
• Tools and libraries supporting application testing and performance optimization.

Preferred

• Experience with reusable front-end component libraries.
• Experience with libraries supporting API integration, application monitoring, automated testing, and performance analysis.
• Experience evaluating frameworks and libraries for maintainability and application efficiency.

Development Tools and Methodologies

Essential

• Build automation.
• CI/CD processes.
• Code reviews.
• Application testing.
• Debugging and troubleshooting.
• Application monitoring.
• Performance tuning and optimization.
• Modern web development practices.
• Agile collaboration and iterative delivery.
• Production support and issue resolution.

Preferred

• Agile/Scrum methodologies.
• Experience implementing automated quality checks and deployment validation.
• Experience improving development workflows, release processes, and engineering standards.
• Experience with tools supporting source control, build management, testing, monitoring, and deployment.

Security Protocols

Essential

• Apply secure development practices across ReactJS, NodeJS, REST APIs, and NoSQL database integrations.
• Protect application data, credentials, access permissions, and service integrations.
• Consider input validation, secure API design, access control, error handling, and data protection during development.
• Address security issues identified through testing, code reviews, monitoring, or production support.

Preferred

• Experience integrating security checks into CI/CD processes.
• Experience securing enterprise web applications and NoSQL data services.
• Familiarity with security testing and remediation practices.

Experience Requirements

• Required: 5+ years of experience in ReactJS, TypeScript, JavaScript, HTML, and CSS.
• Required: 5+ years of experience in NodeJS and NoSQL databases.
• Demonstrated experience developing scalable and responsive enterprise web applications.
• Experience building REST APIs, backend services, reusable UI components, and data-management solutions.
• Experience with performance tuning, debugging, monitoring, optimization, build automation, and CI/CD processes.
• Experience participating in code reviews, testing, production support, and cross-functional Agile delivery.
• Preferred: Experience in Banking or Retail domain applications.
• Preferred: Exposure to Agile/Scrum methodologies.
• Candidates may also qualify through an equivalent combination of relevant professional experience, technical training, demonstrable full-stack development skills, and successful delivery of comparable web applications.

Day-to-Day Activities

• Develop, test, review, and maintain ReactJS interfaces, TypeScript components, NodeJS services, REST APIs, and NoSQL data integrations.
• Collaborate with cross-functional teams through planning sessions, stand-ups, refinement meetings, code reviews, testing discussions, and production support activities.
• Deliver application features, reusable components, automated build and deployment changes, performance improvements, defect fixes, monitoring updates, and technical documentation.
• Investigate technical issues, identify root causes, make implementation decisions within established standards, and escalate risks affecting quality, performance, security, or delivery timelines.

Qualifications

• A bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field is preferred; equivalent relevant education and professional experience may be considered.
• 5+ years of professional experience with ReactJS, NodeJS, JavaScript, TypeScript, HTML, CSS, and NoSQL databases.
• Demonstrated experience with REST APIs, performance tuning, debugging, monitoring, build automation, CI/CD, testing, and production support.
• Relevant certifications in web development, JavaScript/TypeScript, cloud technologies, DevOps, or Agile delivery are preferred but not mandatory.
• Maintain continuous professional development in full-stack engineering, ReactJS, NodeJS, TypeScript, NoSQL technologies, performance optimization, CI/CD, security, and modern web development practices.

Professional Competencies

• Apply structured critical thinking and problem-solving to diagnose application, performance, integration, and data-related issues.
• Collaborate effectively with engineering, product, quality assurance, and business teams to deliver integrated solutions.
• Communicate technical concepts, implementation decisions, risks, and resolutions clearly to technical and non-technical stakeholders.
• Adapt to changing requirements, technologies, delivery priorities, and application environments while maintaining quality.
• Identify opportunities to improve application architecture, component reuse, automation, monitoring, performance, and sustainable resource utilization.
• Manage development tasks, testing, defect resolution, production support, dependencies, and delivery commitments 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.

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