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Deblina Roy

@deblinaroy

Frontend Developer at Persistent Systems building responsive React and Angular applications with reusable components and REST API integrations.

India

Message

At Persistent Systems, I work with PostgreSQL, React, and SAI360 in my current role as Lead Software Engineer.

As a Senior Software Engineer, I built cross-browser single-page applications and reusable React and Angular components. I used Redux Toolkit, NgRx, and RxJS for state management and asynchronous data flows.

Earlier at Persistent Systems, I built React interfaces, integrated REST APIs, and automated large-dataset extraction with SQL scripts. As a Software Engineer - Intern, I created internal portal interfaces using Angular and JavaScript.

For my Ecommerce Web Application project, I built a full-stack platform with React, Context API, and REST API integration through Swagger endpoints. I also implemented SSO login and responsive pages.

Experience

Work history, roles, and key accomplishments

Current

Lead Software Engineer

Current

Persistent Systems

Jan 2025 - Present (1 year 9 months)

Working with PostgreSQL, React and SAI360, a tool-based application development platform.

PostgreSQL React SAI 360

Senior Software Engineer

Persistent Systems

Jul 2024 - Jan 2025 (6 months)

Built dynamic, cross-browser-compatible Single Page Applications using React and Angular. Developed reusable components, implemented state management with Redux Toolkit and NgRx, and integrated RESTful APIs.

React Angular Redux toolkit NgRX RxJS REST APIs Jest Agile

Software Engineer

Persistent Systems

Jul 2022 - Jul 2024 (2 years)

Built and maintained user interfaces using React, JavaScript and CSS, translating UI/UX designs into production-ready code. Integrated REST APIs and collaborated with cross-functional Agile teams.

React JavaScript CSS REST APIs SQL Agile

Software Engineer - Intern

Persistent Systems

Feb 2022 - Jul 2022 (5 months)

Created user-friendly interfaces for the company's internal portal using Angular and JavaScript. Optimized database queries to improve performance of data-driven UI components.

Angular JavaScript SQL