Lead Mern Stack Developer

Skill: React+Node

BPM ID: 114488-23

Budget: Max 15 LPA

Location: HP Bellandur office

Experience: 4+

Note: Only Immediate Joiner’s pls very urgent requireemnt

We are seeking a skilled React & Node.js Developer to join our development team. The ideal candidate will be responsible for building scalable web applications using modern frontend and backend technologies. You will work closely with cross-functional teams to design, develop, and maintain high-performance applications.

Key Responsibilities

• Develop responsive and user-friendly web applications using React.js
• Build scalable backend services and APIs using Node.js and Express.js
• Design and manage RESTful APIs
• Integrate frontend and backend systems
• Work with databases such as MongoDB / MySQL / PostgreSQL
• Write clean, maintainable, and efficient code
• Perform code reviews and participate in agile ceremonies
• Troubleshoot and debug applications
• Optimize applications for performance and scalability

Required Skills

• Strong experience in React.js (Hooks, Redux/Context API)
• Solid experience with Node.js and Express.js
• Good understanding of JavaScript (ES6+)
• Experience with REST APIs
• Knowledge of database systems (MongoDB, MySQL, or PostgreSQL)
• Familiarity with Git version control
• Understanding of authentication & authorization (JWT, OAuth)
• Basic knowledge of cloud platforms (AWS/Azure/GCP) is a plus

Job Description: React + Node.js Full Stack Developer

Experience: 4+ Years

Location: HP, Bellandur Office, Bangalore

Joining: Immediate Joiners Only

Job Overview

We are looking for an experienced React + Node.js Full Stack Developer to build scalable, responsive, and high-performance web applications. The ideal candidate should have strong hands-on experience in React.js for frontend development and Node.js with Express.js for backend development.

Mandatory Skills

• React.js
• Node.js
• Express.js
• JavaScript (ES6+)
• REST API development and integration

Key Responsibilities

• Develop responsive and user-friendly web applications using React.js.
• Build scalable backend services and APIs using Node.js and Express.js.
• Design, develop, and integrate RESTful APIs.
• Integrate frontend and backend systems.
• Work with databases such as MongoDB, MySQL, or PostgreSQL.
• Write clean, reusable, and maintainable code.
• Troubleshoot, debug, and optimize application performance.
• Participate in code reviews and Agile development activities.
• Implement authentication and authorization mechanisms.

Preferred Skills

• Redux or Context API
• MongoDB, MySQL, or PostgreSQL
• Git version control
• JWT / OAuth authentication
• Basic knowledge of AWS, Azure, or GCP

Candidate Requirements

• Minimum 4 years of relevant development experience.
• Strong hands-on experience in both React.js and Node.js.
• Good understanding of full-stack application development.
• Immediate joiners only, due to urgent project requirements.
• Must be comfortable working from the HP Bellandur office in Bangalore.

Juntrax is a global integrated office management platform for SMEs.

**What we are looking for : **

* Someone who has led a team of developers in a product-centric company by providing technical direction for the design, development, testing, and release of a product.  

* Designed scalable Applications 

* Possesses hands-on experience building end to end systems 

* Good architectural & product design skills 

* Strong coding, data structures and algorithms background

* The ability to own end to end responsibility - right from requirement gathering to product release 

* The ability to produce bug-free and production-grade code 

* Engage with stakeholders and ensure the product is on target for timely development.

* Possess the following technical skills: Javascript,MeteorJs, NodeJS, MongoDB, ExpressJS, ReactJS, Elastic Search, AWS, ReactNative

* Must be highly motivated and be willing to take up the challenges with working in a start-up.

- Must have entrepreneurial skills.

**Main Responsibilities: **

Build & lead a team by example 

* Develop a deep understanding office management product and startup ecosystem and execute to the release of the product 

* Architect, design, and document processes and procedures for future releases.

* Should be able to help out in coding and performing code reviews with the team in MERN/Meteor Stack.**

**What we have to offer : **

* -Work with a performance-oriented team driven by product ownership 

- Learn to design system for high accuracy, efficiency, and scalability 

- Equity and Co-foundership will be offered

- Office Culture based on collaboration and desire to deliver the best product

We are looking for an experienced Full Stack Developer to join our in-office engineering team in Hyderabad. You will build and maintain scalable, secure, multilingual web and mobile-facing products end to end — from intuitive front-end interfaces to robust back-end services and APIs.

Key Responsibilities

• Design, develop, and maintain front-end (React.js) and back-end (Node.js/Express.js) components.
• Build and integrate secure REST APIs and manage databases (MongoDB / SQL).
• Write clean, testable, well-documented code and participate in code reviews.
• Collaborate with product, design, and QA teams to ship features on schedule.
• Optimise applications for performance, scalability, and security.
• Troubleshoot, debug, and resolve production issues.

Requirements

• 3–10 years of hands-on full-stack development experience.
• Strong proficiency in React.js, Node.js, JavaScript/TypeScript, and REST APIs.
• Solid experience with databases (MongoDB and/or SQL) and version control (Git).
• Good understanding of responsive design, security best practices, and cloud deployment.
• Strong problem-solving skills and the ability to work on-site in a collaborative team.

What We Offer

• Competitive salary
• Opportunity to work on a fast-growing, cross-border product.
• A collaborative, in-office team environment in Hyderabad.

We are seeking a skilled React & Node.js Developer to join our development team. The ideal candidate will be responsible for building scalable web applications using modern frontend and backend technologies. You will work closely with cross-functional teams to design, develop, and maintain high-performance applications.

Key Responsibilities

• Develop responsive and user-friendly web applications using React.js
• Build scalable backend services and APIs using Node.js and Express.js
• Design and manage RESTful APIs
• Integrate frontend and backend systems
• Work with databases such as MongoDB / MySQL / PostgreSQL
• Write clean, maintainable, and efficient code
• Perform code reviews and participate in agile ceremonies
• Troubleshoot and debug applications
• Optimize applications for performance and scalability

Required Skills

• Strong experience in React.js (Hooks, Redux/Context API)
• Solid experience with Node.js and Express.js
• Good understanding of JavaScript (ES6+)
• Experience with REST APIs
• Knowledge of database systems (MongoDB, MySQL, or PostgreSQL)
• Familiarity with Git version control
• Understanding of authentication & authorization (JWT, OAuth)
• Basic knowledge of cloud platforms (AWS/Azure/GCP) is a plus

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

THIS ROLE IS MUMBAI-BASED MANDATORY

About Ungrammary

Ungrammary is an independent UX/UI design and digital product design studio partnering with ambitious businesses to build meaningful digital experiences. We work with teams across industries including fintech, SaaS, ecommerce and consumer brands, helping turn complex business problems into clear, useful and engaging products. Our work spans strategy, product thinking, UX, interface design and design systems. As a remote-first team collaborating with clients across geographies, we value thoughtful communication, ownership and a high standard of craft.

The role

We’re looking for a Full Stack Developer who can translate product and design requirements into reliable, production-ready web applications. You’ll work closely with our designers, project stakeholders and client teams to build features across the stack, make sound technical decisions, and take ownership from development through deployment. The role calls for someone who is comfortable working in a design-led, client-service environment where quality, timelines and clear communication matter.

Responsibilities

• Build, test and ship end-to-end web application features using MongoDB, Express.js, React and Node.js.

• Translate Figma designs and product requirements into responsive, accessible and maintainable front-end experiences.

• Develop and maintain RESTful APIs, including authentication, authorization, validation and error handling.

• Create reusable React components and manage application state using suitable patterns and libraries.

• Design MongoDB schemas; write efficient queries and aggregations; and consider indexing and performance.

• Integrate third-party services such as payment gateways, email/SMS providers, maps, cloud storage and OAuth.

• Collaborate with UX/UI designers, project managers, QA and other developers to clarify requirements and plan implementation.

• Estimate tasks, communicate progress and risks, and take responsibility for agreed deliverables.

• Write clean, testable code; participate in code reviews; and document important technical decisions.

• Troubleshoot production issues and improve application performance, security and reliability.

• Support deployment and maintenance, including environment configuration, hosting, monitoring and CI/CD workflows.

• Communicate clearly with internal stakeholders and, when required, international clients.

Required skills

• 2+ years of professional experience building and shipping full-stack MERN applications.

• Strong JavaScript (ES6+) fundamentals and working knowledge of TypeScript.

• React.js: hooks, component architecture, routing, forms, state management and performance fundamentals.

• Node.js and Express.js: API development, middleware, authentication, file handling and error management.

• MongoDB with Mongoose: schema design, aggregation pipelines, query optimization and indexing.

• Strong HTML5 and CSS3 skills, with experience using a framework such as Tailwind CSS, Material UI or Bootstrap.

• Ability to accurately translate responsive Figma designs into working interfaces.

• Git and GitHub workflows, including branching, pull requests and resolving merge conflicts.

• Experience using Postman or similar tools and working with API documentation.

• Familiarity with deployment fundamentals, Linux environments and production configuration.

• Good written and spoken English, with the ability to explain technical concepts clearly.

• A responsible, detail-oriented approach and the ability to manage work independently in a remote team.

Good to have

• Next.js, including server-side rendering and static generation.

• Experience with PostgreSQL or MySQL in addition to MongoDB.

• NestJS, Fastify, Prisma or other modern backend frameworks and tools.

• Cloud deployment experience on AWS, Azure, Google Cloud or comparable platforms.

• Docker and CI/CD tools such as GitHub Actions.

• Real-time application development using Socket.io or WebSockets.

• Unit and integration testing with Jest, React Testing Library or Supertest.

• Experience integrating platforms such as Stripe, Razorpay or Shopify.

• Performance optimization, accessibility and web security fundamentals.

• Productive use of AI-assisted development tools such as Claude, GitHub Copilot or Cursor.

What you can expect at Ungrammary

• Work on meaningful digital products and platforms across fintech, SaaS, ecommerce and consumer-facing businesses.

• Collaborate closely with experienced UX/UI designers and contribute to the quality of the final product—not just the code.

• Take ownership of features across the stack, from understanding requirements to implementation and release.

• Work in a remote-first environment that values autonomy, thoughtful collaboration and clear communication.

• Exposure to varied product challenges, technologies and client contexts.

• Opportunities to strengthen technical depth, product thinking and end-to-end delivery skills.

Required Skills/Experience

• 3-4 years of experience designing and/or developing web-based applications using JavaScript, Node, React, Angular, etc
• Strong understanding of JavaScript, browsers, mobile platforms, and real-time communication.
• Problem solving skills with data structures and algorithms.
• Hands-on experience developing responsive web applications and scalable backend systems.
• Strong experience in integrating third-party applications, APIs, and external systems.
• Ability to design, develop, and manage integrations between different platforms and systems.
• Hands-on experience using AI-powered development tools such as ChatGPT, Claude, GitHub Copilot, Cursor, or similar tools for coding, debugging, testing, and improving development productivity.
• Ability to learn and adapt to alternative technologies based on project requirements.
• Experience in the product development lifecycle, including prototyping, development, testing, hardening, and deployment.

Additional Skills/Experience  

• Experience with NoSQL databases such as MongoDB and Cassandra.
• Experience with UI component libraries and other popular JavaScript libraries and frameworks such as Vue.js.
• Eagerness to participate in product functionality and user experience design.
• Excellent group facilitation and communication skills, both verbal and written.
• Familiarity with i18n and the latest trends in UI/UX design.
• Experience implementing payment gateways applicable across different countries.
• Understanding of API integrations, authentication mechanisms, and data exchange between systems

Education Requirement

• B.Tech/M.Tech in CSE/IT/AI/ML only.

We are looking for a Senior Full-Stack Developer with strong experience in modern web and mobile application development.

Requirements:

* 4+ years of full-stack development experience

* Strong Node.js, TypeScript and React.js

* Hands-on React Native experience

* Strong PostgreSQL, Redis and REST API knowledge

* Experience with WebSockets and real-time systems

* Good knowledge of AWS, Docker and CI/CD

* Experience with third-party API integrations

* Strong understanding of scalable architecture and application security

* Experience with GPS/geolocation or real-time applications is a plus

* Strong problem-solving and debugging skills

* Ability to work independently and deliver within tight timelines

* Experience taking applications from development to production

Preferred: Experience in taxi, logistics, delivery, marketplace or booking platforms.

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