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Polestar Solutions - Full Stack Developer - React.js/Express.js

Posted on: 10/12/2025

Job Description

Description :

Position Summary :

- We are looking for a Fullstack Developer with strong expertise in React.js for the frontend and Node.js/Express.js for backend development.

- The role involves building and maintaining scalable, high-performance web applications, integrating APIs, and ensuring seamless communication between front-end and back-end systems.

- The ideal candidate will work closely with cross-functional teams to deliver robust, maintainable, and efficient solutions.

Strategic Responsibilities :

- Lead and develop scalable, high-performance, and responsive web applications using React.js, Node.js, and Express.js.

- Architect, build, and maintain efficient front-end and backend solutions.

- Design and implement RESTful and GraphQL APIs for seamless integration between client and server.

- Write clean, modular, and reusable code following best practices and design patterns.

- Develop and manage database schemas, queries, and transactions using MongoDB, MySQL, or PostgreSQL.

- Collaborate with UX/UI teams to deliver intuitive, pixel-perfect, and user-friendly interfaces.

- Work closely with DevOps and backend teams to ensure smooth API integration and deployment workflows.

- Optimize application performance across both frontend and backend layers.

- Ensure security best practices, data integrity, and proper error handling across the stack.

- Conduct code reviews to maintain quality, performance, and consistency standards.

- Mentor and guide junior/mid-level developers in fullstack architecture and development practices.

- Stay updated with emerging technologies, including Next.js, Nest.js, and server-side rendering (SSR).

Required Experience :

- 36 years of experience in fullstack web development, with hands-on experience in React.js, Node.js, and Express.js.

- Proficiency in JavaScript (ES6+), TypeScript (preferred), HTML5, and CSS3.

- Strong understanding of frontend frameworks (React.js, Redux, Redux Toolkit) and backend frameworks (Express.js, Nest.js).

- Experience with RESTful and GraphQL API development and integration.

- Proficiency in database design and queries using MongoDB, MySQL, or PostgreSQL.

- Familiarity with authentication mechanisms such as JWT, OAuth, and SSO.

- Experience with Webpack, Babel, NPM/Yarn for front-end builds and package management.

- Strong understanding of performance optimization, caching, and debugging tools.

- Experience with Unit Testing and Integration Testing using Jest, Mocha, or Cypress.

- Version control proficiency using Git/GitHub/GitLab.

Soft Skills :

- Excellent communication and collaboration skills.

- Ability to manage multiple tasks and meet deadlines.

- Detail-oriented and proactive in identifying and resolving issues.

- Adaptable to new technologies and fast-paced environments.

About Polestar :

As a data analytics and enterprise planning powerhouse, Polestar Analytics helps its customers bring out the most sophisticated insights from their data in a value-oriented manner.

From analytics foundation to analytics innovation initiatives, we offer a comprehensive range of services that help businesses succeed with data.

We have a geographic presence in the United States (Dallas, Manhattan, New York, Delaware), UK(London) & India (Delhi-NCR, Mumbai, Bangalore & Kolkata) and have 600+ people strong world-class team.

The list includes :

- Recognized as the Top 50 Companies for Data Scientists in 2023 by AIM.

- Financial Times awarded Polestar as High-Growth Companies across Asia-Pacific for a 5th time in a row in 2023.

- Featured on the Economic Times India's Growth Champions in FY2023.

- Polestar Analytics Selected as a 2022 Red Herring Global Companies.

- Top Data Science Providers in India 2023: Penetration and Maturity (PeMa) Quadrant.

- Indias most promising data science companies in 2022 by Analytics Insight.

- Featured on Forrester's Now Tech: Customer Analytics Service Providers Report Q2, 2021.

- Recognized as Anaplan's India RSI Partner of the Year FY21.

- Elite Qlik Partner and a member of the Qlik Partner Advisory Council & Microsoft Gold Partners for Data & Cloud Platforms Culture at Polestar.


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