Full Stack Engineer Node Js Spring Boot Java Microservices And REST APIs

Synechron; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Synechron is looking for a Full Stack Engineer with strong Node.js, Spring Boot, Java, and JavaScript/TypeScript skills to develop enterprise applications. You will build backend services, RESTful APIs, microservices, and frontend components, while improving performance, CI/CD, testing, and production support in an Agile setting.

You will work across databases, data integrity, security, and scalable design, ensuring reliable delivery of technology solutions for business objectives.

Qualifications

• 5+ years of Node.js backend and frontend development experience.
• 5+ years with Spring Boot and Java in enterprise apps.
• 5+ years in full-stack development using JavaScript/TypeScript.
• Experience building and consuming RESTful APIs and microservices.
• Strong understanding of distributed systems and data management.

Responsibilities

• Design, develop, test, deploy, and maintain applications using Node.js, Spring Boot, Java, and TypeScript.
• Build and support RESTful APIs and microservices for enterprise use.
• Develop responsive front-end components with accessibility in mind.
• Optimize performance and ensure scalable, reliable systems.
• Work with SQL and NoSQL databases ensuring data integrity.
• Contribute to CI/CD pipelines and automation for quality releases.
• Collaborate with teams and participate in Agile planning and reviews.

Skills

Node.js

Spring Boot

Java

JavaScript/TypeScript

REST APIs

Microservices

Distributed systems

SQL/NoSQL databases

Performance engineering

CI/CD

Git

DevOps practices

Modern web technologies

Tools

Docker

Kubernetes

CI/CD pipelines

Job description

Job Description:

Job Summary

Synechron is seeking a Full Stack Engineer with strong expertise in Node.js, Spring Boot, Java, JavaScript/TypeScript, and modern web technologies. The role will focus on developing, enhancing, and supporting enterprise-grade applications that are scalable, secure, maintainable, and responsive.

The successful candidate will build backend services, RESTful APIs, microservices, and front-end components while contributing to performance optimization, database integration, CI/CD, testing, deployment, and production support. The role will support business objectives by delivering reliable technology solutions in an Agile environment.

Software Requirements

Required

• Node.js: 5+ years of experience developing and maintaining backend services and applications.
• Spring Boot: 5+ years of experience developing enterprise applications and microservices.
• Java: 5+ years of professional development experience.
• JavaScript/TypeScript: 5+ years of hands‑on experience in full-stack or web application development.
• REST APIs: Experience building, consuming, integrating, documenting, and supporting RESTful APIs.
• Microservices: Experience designing and developing service‑based applications.
• Distributed systems: Strong understanding of distributed application concepts and service communication.
• SQL/NoSQL databases: Experience with data storage, retrieval, integration, and data integrity.
• Performance engineering: Hands‑on experience with performance tuning, debugging, monitoring, and optimization.
• CI/CD: Knowledge of automated build, testing, deployment, and release pipelines.
• Git: Experience with source control, branching, code reviews, and collaborative development workflows.
• DevOps practices: Knowledge of development and operational practices that support reliable application delivery.
• Modern web technologies: Experience developing responsive and user‑friendly front‑end components.

Preferred

• Experience in Banking or Financial Services.
• Exposure to cloud platforms, including AWS, Azure, or GCP.
• Experience with Docker and Kubernetes.
• Experience with automation tools for build, testing, deployment, or operational support.
• Experience supporting high‑performance or distributed enterprise applications.
• Experience optimizing application resource usage to support efficient and sustainable processing.

Overall Responsibilities

• Design, develop, test, deploy, and maintain applications using Node.js, Spring Boot, Java, and JavaScript/TypeScript.
• Build, consume, and support RESTful APIs and microservices.
• Develop responsive, accessible, and user‑friendly front‑end components.
• Design solutions that support scalability, maintainability, availability, and performance.
• Work with SQL and NoSQL databases while maintaining data integrity and reliable data access.
• Optimize application performance by identifying bottlenecks and implementing measurable improvements.
• Troubleshoot application, integration, database, and production issues and provide timely resolutions.
• Participate in code reviews and promote consistent coding, testing, documentation, and software engineering practices.
• Contribute to automated build, testing, deployment, and release processes through CI/CD pipelines.
• Use Git and applicable DevOps practices to support collaborative and reliable software delivery.
• Collaborate with business and technology teams to understand requirements and deliver scalable solutions.
• Participate in Agile planning, estimation, refinement, sprint execution, reviews, and retrospectives.
• Support deployment, production validation, monitoring, incident resolution, and root‑cause analysis.
• Consider efficient use of compute, storage, and infrastructure resources during application design and optimization.

Technical Skills (By Category)

Programming Languages

Essential

• Node.js with 5+ years of professional experience.
• Java with 5+ years of professional experience.
• JavaScript and/or TypeScript with 5+ years of professional experience.
• Ability to apply programming principles to scalable backend and responsive front‑end development.
• Strong understanding of data structures, error handling, modular design, and maintainable code.

Preferred

• Experience developing reusable libraries, services, or front‑end components.
• Experience with scripting for automation, testing, deployment, or operational support.

Databases/Data Management

Essential

• Experience working with SQL databases.
• Experience working with NoSQL databases.
• Understanding of data modeling, querying, data access, transactions, and data integrity.
• Ability to select and apply appropriate data-access approaches for distributed applications.
• Experience troubleshooting database and data‑integration issues.

Preferred

• Experience tuning queries, indexes, and data-access patterns.
• Experience supporting database migration, scaling, or modernization initiatives.
• Experience designing data solutions for high‑volume transaction processing.

Cloud Technologies

Essential

• No specific cloud platform is identified as mandatory.
• Understanding of cloud‑based application deployment and operational considerations.
• Ability to support applications across the designated project infrastructure.

Preferred

• Exposure to AWS, Azure, or GCP.
• Experience deploying and supporting Node.js and Spring Boot applications in cloud environments.
• Experience with cloud scalability, availability, monitoring, and resource optimization.
• Experience supporting cloud migration or application modernization.

Frameworks and Libraries

Essential

• Node.js.
• Spring Boot.
• RESTful API frameworks and libraries.
• Microservices frameworks and supporting components.
• Modern JavaScript/TypeScript frameworks or libraries for responsive front‑end development.
• Libraries supporting SQL and NoSQL database integration.

Preferred

• Experience with libraries supporting API security, automated testing, monitoring, resilience, and distributed communication.
• Experience evaluating frameworks and libraries for maintainability, performance, and scalability.

Development Tools and Methodologies

Essential

• CI/CD pipelines.
• Git.
• DevOps practices.
• Agile development practices.
• Code reviews.
• Automated and manual testing practices.
• Application deployment and production support.
• Performance tuning, debugging, monitoring, and optimization.
• Technical documentation and collaborative development practices.

Preferred

• Docker.
• Kubernetes.
• Automation tools for build, testing, deployment, and environment management.
• Experience implementing quality gates, deployment validation, and automated release controls.
• Experience improving development workflows and delivery efficiency.

Security Protocols

Essential

• Apply secure development practices across Node.js, Spring Boot, Java, REST APIs, front‑end applications, and database integrations.
• Protect application data, credentials, access permissions, and service integrations.
• Apply input validation, secure API design, access control, error handling, and secure configuration practices.
• Address security issues identified through testing, code reviews, monitoring, or production support.

Preferred

• Experience securing cloud‑based applications and microservices.
• Experience integrating security controls into CI/CD pipelines.
• Familiarity with security testing, vulnerability remediation, and secure deployment practices.

Experience Requirements

• Required: 5+ years of experience in Node.js, Spring Boot, Java, and JavaScript/TypeScript.
• Demonstrated experience developing and supporting enterprise‑grade applications.
• Experience building and consuming RESTful APIs and developing microservices.
• Strong understanding of distributed systems and service‑based application design.
• Experience with SQL and NoSQL databases, data integrity, performance tuning, debugging, monitoring, and optimization.
• Experience with CI/CD