MERN Stack Developer

What we need:

•        Experience in both Web + Mobile development

•        Strong understanding of APIs & system design

•        Ability to build end-to-end features

·      Maintain version control and documentation using Git / GitHub.

Roles and Responsibilities

• Design and develop responsive web applications using React.js / Next.js.
• Build and maintain scalable RESTful APIs using Node.js and Express.js.
• Implement user authentication and authorization using JWT / OAuth2.
• Manage and optimize database structures using MongoDB or MySQL.
• Integrate front-end and back-end components seamlessly for smooth user experience.
• Collaborate with UI/UX designers and product teams to deliver high-quality features.
• Participate in Agile / Scrum sprints, daily stand-ups, and code reviews.
• Optimize applications for speed, performance, and security.
• Maintain version control and documentation using Git / GitHub.

Troubleshoot and debug production issues efficiently.

Job Location- Bangalore,

Candidates from Tamil Nadu willing to relocate to Bangalore can also apply.

Position: Full Stack Developer (React.js + Node.js)

Experience: 2–5 Years

Location: Mumbai – Chembur West (Onsite)

Job Summary

We are looking for a Full Stack Developer with strong hands-on experience in React.js and Node.js to build scalable, secure, and high-performance web applications. The ideal candidate should be comfortable owning features end-to-end, developing responsive UI, building REST APIs, integrating databases, and supporting production systems.

Key Responsibilities

• Build responsive UI using React.js, HTML5, CSS3, JavaScript (ES6+)
• Develop scalable backend services and RESTful APIs using Node.js (Express.js / NestJS)
• Work with MongoDB and MySQL (schema design, indexing, query optimization)
• Implement authentication & authorization using JWT , RBAC , Oauth
• Integrate third-party APIs, Webhooks
• Build real-time features using Socket.io / WebSockets
• Ensure performance, scalability, and security (validation, sanitization)
• Implement caching using Redis (if applicable) and optimize API response times
• Support API testing (Postman/Supertest)
• Maintain API documentation using Swagger / OpenAPI
• Debug and resolve defects, handle RCA, and support production troubleshooting with logs/monitoring
• Follow Git-based workflows, participate in code reviews, and collaborate with QA/product teams in Agile delivery

Mandatory Skills

• React.js, Node.js, JavaScript (ES6+)
• MongoDB (must), MySQL
• REST API development & integration
• Socket.io / WebSockets, Webhooks
• HTML5, CSS3
• Git
• Typescript, Express.js / NestJS
• jQuery / AJAX (basic / legacy support)

Good to Have

• Redis, Swagger/OpenAPI
• Docker, CI/CD (GitHub Actions/Jenkins)
• Cloud exposure (AWS/Azure/GCP)

Qualification

BE / BTech / MCA / MSc IT / BSc IT with 2–5 years relevant experience.

CTC: As per industry std.

* Design, develop, and maintain responsive websites and web applications.

* Build reusable frontend components using React.js.

* Develop scalable backend APIs and services using Node.js.

* Integrate third-party services and payment gateways such as Stripe.

* Build RESTful APIs and integrate with modern databases.

* Optimize applications for maximum speed, scalability, and SEO.

* Collaborate with designers to translate Figma/UI designs into pixel-perfect interfaces.

* Implement authentication, authorization, and security best practices.

* Debug production issues and improve application performance.

* Participate in code reviews and mentor junior developers.

* Work within Agile/Scrum development processes.

US Shift: 6pm -2am

We are seeking a talented and motivated Full Stack Software Developer to join our team. The ideal candidate will have strong experience with React and Node.js, with additional expertise in GraphQL and AWS being highly desirable. You will play a key role in designing, developing, and maintaining scalable, efficient, and user-friendly applications across the stack.

Key Responsibilities:

• Design and Development: Build, deploy, and maintain front-end and back-end solutions using React and Node.js.
• API Integration: Develop and consume RESTful APIs and GraphQL services.
• System Architecture: Design scalable and maintainable software architectures.
• Cloud Integration: Implement and optimize applications hosted on AWS services (e.g., Lambda, S3).
• Collaboration: Work closely with product managers, designers, and other developers to translate requirements into high-quality, reliable software.
• Code Quality: Write clean, maintainable, and testable code while adhering to industry best practices.
• Troubleshooting: Debug and resolve application issues across the stack.

Skills Required:

• Proficiency in JavaScript/TypeScript and modern frameworks like React and Node.js.
• Solid understanding of front-end development concepts, including state management, component lifecycles, and performance optimization.
• Experience in building and consuming REST APIs and/or GraphQL APIs.
• Familiarity with databases (e.g., PostgreSQL, or similar).
• Strong problem-solving skills and ability to work in an agile environment.

Preferred:

• Hands-on experience with GraphQL (e.g., Apollo).
• Proficiency with AWS services such as EC2, S3, Lambda, API Gateway, and DynamoDB.
• Knowledge of CI/CD pipelines and tools like Jenkins, GitHub Actions, or similar.
• Understanding of software testing methodologies and tools (e.g., Jest, Cypress).

Responsibilities:

* Collaborate with cross-functional teams on project requirements and deliverables

* Develop user interfaces using React.JS and Express API's

* Implement database solutions with MongoDB and Node.JS

AI Agent Frameworks, LangChain, LlamaIndex, OpenAI API,Zapier, HTML5, CSS3, JavaScript,bootstrap3.1,TypeScript, React.js, Next.js, Vue.js, Node.js, Python, PHP, WordPress, Headless CMS, DNS Management, SSL Configuration, Conversion Rate Optimization (CRO), A/B Testing, AWS, Google Cloud Platform (GCP), Cloudflare CDN, AWS S3, Core Web Vitals, Google Trends, Google Search Console, Ahrefs, SEMrush, Google Analytics 4 (GA4), Google Tag Manager (GTM), Meta WhatsApp Cloud API, Twilio, Webhooks, MSG91, REST APIs,claude,github,MYSQL

Javascript, Callback, Async, Promise, Experience in writing restful APIs, Javascript, Nodejs, ReactJs, MySQL.

Immediate Joiner

Company Description

TopGrep Tech, an ISO 27001:2022 and DPIIT-certified IT pure tech product & services company. We work with global enterprises & startups, covering SaaS, MVPs, AI, RAG, MCP, reliability engineering, DevOps, and cloud innovation.

Role Description

This is a full-time on-site role located in the Greater Bengaluru Area for a Full Stack Engineer. The Full Stack Engineer will design, build, and maintain both front-end and back-end components of web applications. Candidates must demonstrate independent coding ability. Generative AI tools, AI coding assistants, and vibe-coding tools are not permitted during coding interview rounds. They will collaborate with cross-functional teams to deliver high-quality software solutions, ensure efficient system performance, and troubleshoot and resolve bugs and technical issues. This role also involves optimizing applications for maximum speed and scalability while following best practices and coding standards.

Qualifications

• Experience with Back-End Web Development, including server-side programming, APIs and database management
• Proficiency in Front-End Development, including JavaScript & Reactjs frameworks
• Strong foundation in Software Development and Full-Stack Development
• Ability to write, optimize, and debug code
• Excellent problem-solving and communication skills
• Familiarity with version control systems such as Git
• Experience with cloud platforms
• Bachelor's Engineering or Masters degree in Computer Science with equivalent practical experience

Requirements added by the job poster

• Bachelor's Degree

• Commute to this job’s location

• 1+ years of work experience with JavaScript Frameworks

• Working in an onsite setting

• 1+ years of Software Development experience

We are looking for a skilled Fullstack Developer with at least 10 years of experience building and maintaining responsive, scalable web applications. You will work across a full technology stack, from crafting intuitive React.js user interfaces to designing and implementing robust backend services with Node.js and PostgreSQL. This role requires strong proficiency in React.js, JavaScript/TypeScript, and the ability to collaborate closely with designers, backend engineers, and product managers to deliver exceptional end-to-end product experiences.

About the Job -

We have always been in the spotlight for being adeptin “the next big technologies”. What we can offer you is a space to explore varied technologies and quench your techie soul. We are looking for Developer skilled in technologieslike Node.js and AWS who also holds experience with user-interface design.

Responsibilities: ● The full stack developer will be responsible for design and development of scalable and flexible web applications and creating API to connect to databases and applications from back-end to client-side code, using optimal and efficient technologies, frameworks, and patterns.

● Take responsibility for design, implementation and maintain existing development ecosystem, including bugs – fixing, design and develop new custom components to meet project requirements.

● Working with other developers and software engineers to develop front-end and back-end architecture that's well-structured and flexible, along with the APIs to support it.

● Install and configure server environments for React deployments maintain and update project dependencies as well as fix any conflicts.

● Responsible for regular communication with developer team involved in the development process and testing of new features in the application

● Analyzing requirements and designing new functionality for new projects with cutting edge technology with research on optimization and new features for the existing product by ensuring a required level of performance.

● Candidate must be abreast with latest technologies and trends, relevant standards should be able to work effectively in a multidisciplinary, multinational team environment focused on innovation with comfortable working on a range of problems.

Desired Competencies(Technical/Behavioral Competency) – Must Have-

● Nodejs, MongoDB, Socket.IO and Redis.

● Proficient in Node.js and MongoDB and working knowledge of JavaScript, JQuery, HTML, CSS, frameworks (Angular.js, React.js)

● Experience with Unix/Linux or Windows and/or Mac environments, distributed systems

● Excellent practical knowledge of OOP concepts and SOLID principles ● Microservices and agile development

● Hands-on experience with cloud (AWS) development/hosting.

● Experience with Web services development (SOAP, REST)

● Strong in Object Oriented Programming, MVC, Design patterns and SOLID principles. 

Skills Required: 

• Node.js
• MongoDB
• Angular
•  API optimization  
• Micro Services
• Multi threading
• Socket.io

Job Title : Full-Stack Developer (React.js / Next.js + PHP / Node.js)

Experience : 2+ Years

Location : Gurugram, Sector 43

Work Mode : 5 Days WFO (Monday–Friday)

Employment Type : Full-Time

Job Summary :

We are looking for a Full-Stack Developer with 2+ years of experience in building modern web applications using React.js, Next.js, and PHP (Laravel preferred) or Node.js.

The ideal candidate should have strong frontend development skills along with backend development and database management experience.

Mandatory Skills :

React.js, Next.js, PHP (Laravel) / Node.js, JavaScript, TypeScript, REST APIs, PostgreSQL/MySQL, Git, SSR, SSG, ISR.

Key Responsibilities :

• Develop and maintain web applications using React.js and Next.js.
• Implement SSR, SSG, and ISR for performance and SEO optimization.
• Build reusable and responsive UI components.
• Develop and integrate REST APIs using PHP (Laravel) or Node.js.
• Manage and optimize PostgreSQL/MySQL databases.
• Collaborate with cross-functional teams and participate in code reviews.

Required Skills & Qualifications :

• 2+ years of professional experience in Full-Stack Web Development.
• Strong proficiency in JavaScript (ES6+) and TypeScript.
• Hands-on experience with React.js and Next.js.
• Good understanding of Next.js features including App Router and Server Components.
• Experience with PHP and Laravel framework.
• Knowledge of Node.js and backend API development.
• Strong understanding of RESTful APIs and client-server architecture.
• Experience working with PostgreSQL and/or MySQL databases.
• Proficiency with Git, npm/yarn/pnpm, and modern development workflows.

Preferred Skills :

• Experience with authentication mechanisms such as JWT, OAuth, and Laravel Sanctum.
• Hands-on experience with Tailwind CSS or modern CSS frameworks.
• Familiarity with Vercel deployment, Docker, and CI/CD pipelines.
• Understanding of application performance optimization and SEO best practices.

What We're Looking For :

• Strong expertise in both React.js/Next.js and PHP (Laravel).
• Ability to work across the full application stack with a frontend-first approach.
• Problem-solving mindset with attention to performance, scalability, and code quality.
• Good communication and collaboration skills.

Interview Process :

1. Resume Screening
2. Telephonic Technical Discussion
3. Onsite Interview Process (Multiple Rounds)

• Technical Assessment
• Coding & Problem-Solving Round
• Technical Discussion
• Managerial Round
• Culture Fit Assessment
• Final Discussion (if applicable)