Data Core Systems
Java Developer
Skills
2 months ago
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Important information
Contract type:
Permanent
Location:
Kolkata, West Bengal, India
Work mode:
Onsite
Published on:
17 August 2026
What they need
Role Overview
We are looking for an experienced Senior Full Stack Developer with
expertise and good architectural/design understanding to build scalable, secure, and high performance
web and mobile applications.
The ideal candidate should possess deep hands-on expertise in backend technologies, API
development, cloud infrastructure, system design, and modern frontend frameworks. The role
requires strong ownership, analytical capability, and the ability to contribute to scalable
architecture, engineering best practices, and end-to-end product development.
Key Responsibility
Design, develop, and maintain scalable backend systems, APIs, and enterprise applications.
Contribute to application architecture, technical design, and scalable solution development for
web and mobile platforms.
Develop robust applications using Node.js, Java, Spring Boot, React.js, and related frameworks.
Build and optimize REST APIs, microservices, and third-party integrations.
Collaborate with frontend, QA, DevOps, and product teams for smooth project execution and
delivery.
Participate in architecture discussions, code reviews, debugging, and performance optimization
activities.
Work on AWS/cloud infrastructure deployment, monitoring, and optimization.
Design and optimize database schemas, queries, and integrations across MySQL/PostgreSQL
environments.
Ensure engineering best practices, code quality, scalability, maintainability, and security
standards.
Handle production issues, performance bottlenecks, and technical troubleshooting.
Mentor junior developers and contribute to continuous capability improvement within the
team.
Stay updated with evolving technologies, frameworks, and modern development practices.
Position: Senior Full Stack Developer / Senior Backend Developer
Experience: 8-10 Years
Location: Kolkata
Role Overview
We are looking for an experienced Senior Full Stack Developer with strong backend development
expertise and good architectural/design understanding to build scalable, secure, and highperformance
web and mobile applications.
The ideal candidate should possess deep hands-on expertise in backend technologies, API
development, cloud infrastructure, system design, and modern frontend frameworks. The role
requires strong ownership, analytical capability, and the ability to contribute to scalable
architecture, engineering best practices, and end-to-end product development.
Required Qualification
Bachelors degree in Engineering / Computer Science / IT or related discipline.
810 years of experience in full stack and backend application development.
Strong hands-on expertise in:
Node.js
Java
Spring Boot
React.js
REST APIs
Microservices
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