Sr. MERN Stack Developer

🚀Urgent Hiring : MERN Stack Developer

Location : Gurgaon

Work Mode : Work From Office (5 Days a Week)

Experience : 3 to 6 Years

Joining : Immediate Joiners Preferred

Job Description :

We are looking for a skilled and enthusiastic MERN Stack Developer to join our growing team in Gurgaon.

The ideal candidate will be responsible for developing robust web applications using MongoDB, Express.js, React.js, and Node.js.

You will work on both front-end and back-end components, ensuring high performance and responsiveness.

Key Responsibilities :

• Design, develop, and maintain scalable web applications using the MERN stack.
• Collaborate with UI/UX designers and backend developers to implement features.
• Write clean, modular, and reusable code.
• Integrate RESTful APIs and third-party services.
• Optimize applications for speed and scalability.
• Participate in code reviews, testing, and bug fixing.
• Manage version control using Git.

Required Skills :

• Strong proficiency in MongoDB, Express.js, React.js, and Node.js.
• Good understanding of JavaScript ES6+, HTML5, CSS3.
• Experience with Redux, React Hooks, and modern React ecosystem.
• Familiarity with RESTful APIs and JSON data exchange.
• Knowledge of Agile/Scrum methodologies.
• Experience with Git and version control tools.

Good to Have:

• Knowledge of TypeScript and Next.js.
• Experience with CI/CD pipelines and cloud services (AWS/Azure).
• Familiarity with unit testing frameworks like Jest or Mocha.

Role & Responsibilities

As a Junior Full Stack Engineer at , you will work on product features end-to-end - from the data model to the pixel on the screen.

You will work alongside senior engineers, learn to bridge engineering and product, and contribute to translating complex business workflows into interfaces that enterprise teams actually use. You will own smaller features and grow into full vertical ownership over time.

• Work on product features end-to-end - complex configuration UIs, workflow builders, and operational dashboards for enterprise users
• Contribute to customer-facing surfaces - SDKs, embeddable flows, and APIs that directly shape how clients experience
• Learn and apply frontend architecture best practices - component structure, state management, performance optimisation, and accessibility
• Build backend APIs and data models under senior guidance - developing end-to-end ownership over time
• Debug issues across the full stack - learn to trace problems from symptom to root cause
• Collaborate with design, product, and customer success - hear feedback from real users and let it shape what you build
• Partner with the GenAI engineer to surface AI capabilities through clean, well-designed product interfaces
• Participate in code and design reviews to learn and grow

Ideal Candidate

• Strong Full Stack Engineer profiles
• Mandatory (Experience 1) – Must have 1+ years of hands-on full stack engineering experience (avoid frontend-heavy only profiles, backend heavy will work)
• Mandatory (Experience 2) – Must have strong backend engineering experience using Python, including designing and owning APIs, services, and data models in production environments
• Mandatory (Experience 3) – Must have strong frontend development experience using React (or equivalent), including component architecture, state management, and building production-grade user interfaces
• Mandatory (Experience 4) – Must have end-to-end ownership experience, building and shipping features across the full stack (UI + API + database) without clear handoff boundaries
• Mandatory (Experience 5) – Must have strong web fundamentals, including understanding of browser rendering, performance optimization, and accessibility best practices
• Mandatory (Experience 6) – Must be able to demonstrate solving complex problems on both frontend and backend, clearly articulating trade-offs, decisions, and outcomes
• Mandatory (Experience 7) – Must have solid experience with databases (SQL/NoSQL), including schema design, query optimization, and handling performance bottlenecks
• Mandatory (Company) - Top Product Companies, (preferred early-stage startups with Seed to Series C/D with fast-paced shipping culture)
• Mandatory (Education) - Tier-1 institutes (IITs, BITS, IIITs), Can be skipped if from Top notch product companies
• Preferred (Skill 1) – Strong proficiency in TypeScript, with experience in type-safe architecture and scalable frontend/backend systems
• Preferred (Skill 2) – Experience with testing frameworks such as Cypress / Playwright and strong unit testing practices
• Preferred (Skill 3) – Experience working with cloud platforms (AWS preferred)

About Vyapar:

We are a technology and innovation company in the fintech space, delivering business accounting software to Micro, Small & Medium Enterprises (MSMEs). With more than 5 Million users across 140 countries, we are one of the fastest growing companies in this space. We take the complexity out of invoicing, inventory management & accounting, making it so simple, such that small businesses can spend less time on manual bookkeeping and spend more time focusing on areas of business that matter.

Role Summary:

Vyapar's Engineering team builds the technology platform that eases and digitizes our customers' bookkeeping and enables the transition of cumbersome accounting data from general bookkeeping to a digitized always available resource.

The Javascript engineer will be responsible for the developing features in Vyapar application. Strong understanding of HTML, CSS, JavaScript, Responsive design, JQuery, React, database etc. concepts is critical

Key Responsibilities:

• Translate designs and wireframes into high-quality code.
• Design, build and maintain high performance, reusable, and reliable code.
• Ensure the best possible performance, quality, and responsiveness of the application.
• Use of complex algorithm to build the business requirements.
• Help maintain code quality, organization, and automatization.
• Ability to understand business requirements and translate them into technical requirements

Desired Skills And Requirements

Must have

• Strong JavaScript
• HTML, CSS 
• React/Angular/JQuery/Vue
• Problem-solving skills, and Data Structures.
• Strong knowledge of SQL database or RDBMS.

Good to have

• Familiarity with RESTful APIs to connect applications to back-end services.
• Strong knowledge of Web UI design principles, patterns, and best practices.
• Experience with offline storage and performance tuning.
• Experience and understanding of database concepts and sql queries.
• Familiarity with cloud message APIs and push notifications.
• Familiarity with continuous integration.
• A knack for benchmarking and optimization.

Experience:

• Minimum 4 years of experience in JavaScript
• Minimum 3 years of experience in HTML, CSS
• Minimum 3 years of experience in SQL/ RDBMS.

Education:

• A full-time B.E/ B.Tech Degree from a recognized university.

Davis Index is a leading market intelligence platform and publication that specializes in providing accurate and up-to-date price benchmarks for ferrous and non-ferrous scrap, as well as primary metals. Our dedicated team of reporters, analysts, and data specialists publishes and processes over 1,400 proprietary price indexes, metals futures prices, and other reference data. In addition, we offer market intelligence, news, and analysis through an industry-leading technology platform. With a global presence across the Americas, Asia, Europe, and Africa, our team of over 50 professionals works tirelessly to deliver essential market insights to our valued clients.

Job Overview:

We are looking for an enthusiastic and energetic Full Stack Intern to join our development team. This is a fantastic opportunity for students or recent graduates who have a passion for coding and want to gain hands-on experience in developing web applications.

Key Responsibilities:

• Contribute to the development of web applications using the MERN stack (MongoDB, Express.js, React, Node.js).
• Collaborate with the team to design, develop, and test new features.
• Work with Python for backend integrations and scripting.
• Debug and troubleshoot issues in existing applications.

Required Skills and Qualifications:

• Proficiency in React and Express.js.
• Working knowledge of Python.
• Completed 1-2 small to mid-level MERN stack projects.
• Strong communication skills and a positive attitude.

 Application Process:

1. Candidates must submit their project portfolio showcasing the MERN stack projects they have worked on.
2. Shortlisted candidates will be given a beginner-level technical test to assess their skills.
3. Candidates should demonstrate strong communication skills and enthusiasm during the interview process.

Responsibilities:

• Develop, test, and maintain web applications using the CodeIgniter framework.

• Write clean, efficient, and well-documented code.

• Troubleshoot and debug issues that arise during development or in existing applications.

• Collaborate with team members to identify and resolve problems.

• Participate in code review sessions to ensure that code meets quality standards.

• Stay up-to-date with the latest trends and technologies in web development.

Preferred Qualifications/ Skills

• Bachelor's or Master's degree in Computer Science or a related field.

• Minimum 1 years of experience in PHP development.

• Strong knowledge of the CodeIgniter framework.

• Proficient in HTML, CSS, JavaScript, and jQuery.

• Familiarity with Git, GitHub, PHPUnit, and Composer.

• Experience working in an Agile development environment using Scrum/Kanban.

• Familiarity with databases such as MySQL, PostgreSQL, and MongoDB.

• Good understanding of web standards and protocols.

• Strong problem-solving and analytical skills.

• Ability to work independently and as part of a team.

• Excellent communication and interpersonal skills.

• Experience in React.Js is also a must

Product management

• Work closely with the product team to translate abstract business & product requirements into crisp technical specifications along with a delivery roadmap

Product Development

• Define code architecture decisions to support a high-performance and scalable product with a minimal footprint
• Developing the frontend/backend and APIs, primarily using the MERN stack for Troopod.
• Delivering a robust backend platform for the product by incorporating important considerations regarding minimal downtime, high availability, data redundancy, tight security, etc. into the design
• Preparing test cases, creating automated build and test processes, setting up systems for CI/CD, and monitoring for the product
• Deploying on AWS using the right services for optimal performance
• Support the Troopod mobile application in its entirety, including working on bug fixes and improving application performance, reliability, and stability
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Managing development and deployment of the product following Modular programming, proper documentation, and code versioning

Customer Success

• Ensuring seamless use of Troopod Web-app and Mobile App by clients or internal teams and successful integration of client systems with Troopod backend and APIs wherever applicable
• Assisting clients with necessary remote support needed for the smooth understanding of and integration with Troopod product

Team Growth

• Contributing to the growth of the engineering team through proactive effort on knowledge growth, process improvements, and performance enhancements on existing solutions

Prior experience in the following things is MUST:

• Minimum 2 years of hands-on technical development experience as a MERN stack developer
• In-depth knowledge of NodeJS, Express or Restify
• Experience implementing applications using ReactJS and React Native
• Experience in creating frontend applications using HTML5, Angular, React, LESS/SASS
• Hands-on experience with JavaScript Development on both client and server-side
• Experience with modern frameworks and design patterns, minimum 3-year experience with MERN Full-stack paradigm
• Should have worked on AWS(EC2), DNS, and other server features
• Familiarity with code versioning tools (Such as Git, SVN, or Mercurial)

• Development experience for high-traffic, consumer-facing web or mobile application
• Experience in building a chat or social media app
• Creating secure RESTful-based web services in XML and JSON, Javascript, JQuery
• Experience in hiring and leading a team of developers
• Open-source contributions
• Experience with next.js, serverless, and tailwind CSS
• Eat, sleep, code, and repeat is a typical mantra of your life

• Work in a well-funded startup with a team of 2nd-time founders from top tier colleges like BITS and NIT
• Chance to get decent equity and become part of the founding and core team
• Build a highly scalable product that would one day impact the lives of billions across the globe
• Get guidance from the best product and tech folks out there at leadership positions in Dunzo, Razorpay, Haptik, etc

Responsibilities:

• Design, develop, and maintain software applications.
• Go the extra mile to identify customer needs and pain-points. 
• Relentless focus on delivering high quality, bug-free code.
• Help and mentor those around you to achieve the team and company goals.
• Closely work with the SRE and DevOps team to set up microservices infrastructure. 
• Maintaining and auditing code/design quality as per set guidelines and standards in assigned projects.
• Testing of completed tasks in ongoing projects in the team before sending updates to reporting authority/client.
• Participate in application design, code reviews and documentation.

Requirements:

• Experience in agile development process.
• Excellent knowledge of HTML5, CSS3.
• Excellent knowledge of JavaScript.
• Experience with cross-browser, cross-platform and design constraints on the web
• Good understanding and experience of working on Vue.js/React.js.
• Prior experience building REST APIs
• Hands-on experience with Node.js/Golang/Java + Redis + Elasticsearch.
• Experience with AWS/GCP is a plus
• Knowledge of version control systems like GIT.
• Experience in developing automated unit and functional tests
• 3 - 6 years of experience with a Bachelor's in Computer Science or related field

• Own the Strategy, Roadmap, Execution, and Success for STAGE OTT product
• Take product ideas from ideation to implementation
• Develop backend services that expand the capabilities of our CMS for the content team
• Optimize the performance of our APIs
• Collaborate with Product and Design to iterate on our product
• Participate in design and code reviews

• Growth and Ownership mindset
• 1+ years of experience working in a Software Engineering role
• Strong foundation in programming, algorithms, and software application design
• Experience in Node.js Express and obsessed about optimizing Mongoose queries.
• Passionate about solving challenging problems and iterating quickly
• Previous experience in distributed systems, data processing and analytics is a plus
• Ability to extract, analyze and communicate data