Full Stack Developer

Job Title: Full Stack Engineer

Location: Delhi-NCR

Type: Full-Time

Responsibilities

Frontend:

• Develop responsive, intuitive interfaces using HTML, CSS (SASS), React, and Vanilla JS.
• Implement real-time features using sockets for dynamic, interactive user experiences.
• Collaborate with designers to ensure consistent UI/UX patterns and deliver visually compelling products.

Backend:

• Design, implement, and maintain APIs using Python (FastAPI).
• Integrate AI-driven features to enhance user experience and streamline processes.
• Ensure the code adheres to best practices in performance, scalability, and security.
• Troubleshoot and resolve production issues, minimizing downtime and improving reliability.

Database & Data Management:

• Work with PostgreSQL for relational data, ensuring optimal queries and indexing.
• Utilize ClickHouse or MongoDB where appropriate to handle specific data workloads and analytics needs.
• Contribute to building dashboards and tools for analytics and reporting.
• Leverage AI/ML concepts to derive insights from data and improve system performance.

General:

• Use Git for version control; conduct code reviews, ensure clean commit history, and maintain robust documentation.
• Collaborate with cross-functional teams to deliver features that align with business goals.
• Stay updated with industry trends, particularly in AI and emerging frameworks, and apply them to enhance our platform.
• Mentor junior engineers and contribute to continuous improvement in team processes and code quality.

About the Role

We are hiring an experienced MERN Stack Developer who can independently build and scale full-stack applications from scratch. The ideal candidate must have strong skills in TypeScript, React.js, Node.js, Redux, and REST APIs, along with a solid understanding of microservices architecture, mobile API integrations, and responsive design.

Experience with LLMs, RAG architecture, Kafka, Redis, webhooks, and database systems like PostgreSQL, MySQL, and MongoDB is essential. You’ll be working on scalable systems, enterprise-grade platforms, and AI-integrated products.

Key Responsibilities

• Develop and maintain full-stack web applications using React.js (with TypeScript) and Node.js (Express/NestJS)
• Build and document robust RESTful APIs and mobile-ready endpoints
• Implement and consume webhooks for third-party integrations and internal event-based workflows
• Ensure responsive design principles across devices and screen sizes
• Integrate with mobile applications via secure and scalable APIs
• Work with databases including PostgreSQL, MySQL, and MongoDB
• Integrate Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) pipelines
• Build and deploy microservices architecture using Kafka, Redis, Docker, etc.
• Manage application state using Redux or Redux Toolkit
• Write test cases using Mocha, Chai, Jest, or similar frameworks
• Participate in system design, architecture discussions, and scalability planning
• Follow Agile practices, perform code reviews, and contribute to CI/CD pipelines
• Collaborate with cross-functional teams including UI/UX, DevOps, QA, and Product Management

Required Skills & Experience

• Minimum 4 years of hands-on experience with the MERN stack
• Strong proficiency in TypeScript, React.js, Node.js, and Redux
• Proven experience in building and consuming REST APIs and webhooks
• Deep knowledge of responsive UI/UX development
• Hands-on experience with mobile-first API design and integrations
• Strong knowledge of PostgreSQL, MySQL, and MongoDB
• Experience with Kafka, Redis, Docker, and microservices
• Exposure to LLM, GPT, RAG, or similar AI models
• Solid understanding of software architecture and ability to build systems from the ground up
• Working knowledge of API security, JWT, OAuth, and rate-limiting
• Familiar with test-driven development and QA practices
• Familiarity with Git, version control, and collaborative workflows good to Have
• Experience with GraphQL and gRPC
• Experience in building SaaS or AI-integrated platforms
• Familiarity with ElasticSearch or RabbitMQ
• Experience with AWS, GCP, or Azure
• Understanding of serverless and event-driven architectures
• 
  

Benefits

• Competitive compensation with performance-based hikes
• Flexible remote or hybrid work options
• Opportunity to work on cutting-edge technologies including AI and scalable SaaS platforms
• Strong leadership and learning-driven environment
• Learning budget for courses, certifications, and conferences

​​ChiefEx Technologies Pvt Ltd is an early stage SAAS application startup providing an integrated technology platform to small businesses for most of their day to day activities for all of their business cycle with complete control on activities.

Our application is very flexible and its minimalistic design is loved by many customers.

The company is looking at further expanding the solution and rolling across geographies in the coming future.

Our MVP is ready and we started early traction. We are looking for passionate developers with an entrepreneurship mindset to join our team as Team Lead - MEAN Stack.

Joining as a founding team member will come with lots of benefits and opportunities to grow.

There won't be any cash benefits for at least 3 months or till we achieve revenue goals or funding. A very attractive indicative compensation will be offered with equity for the right candidate.

Right candidate will be inducted as Co-founder  / CTO.

You will be getting freedom and autonomy to perform tasks, manage and build your team and engage in cross functional activities.

This is a high growth career opportunity is only best for those who have the capability to fast grow the organisation as a High growth driver and with an Entrepreneur Mindset.

Note: DO NOT APPLY if you are looking for a traditionally paid employee safe mode opportunity. 

Responsibilities:

• Own the product development from scratch.
• Design and implementation of low-latency, high-availability, and performant applications.
• Architect scalable software solutions and mentor a team of high performing developers.
• Participate in code reviews, design reviews and troubleshooting to ensure uptime for live systems etc.

Requirements:

• Bachelor's degree in a technology-related field.
• Prior 5+ years of experience in leading full stack development (MEAN Stack) in a start-up or a dynamic work environment.
• Strong knowledge of JavaScript/Typescript and technologies like NodeJS (with Express) / Angular / MongoDb etc.
• Good understanding of System Design, Microservice Architecture, DSA, etc.
• Good understanding of CI/CD, AWS, cloud deployment, Git, etc.
• Customer oriented, responsive to changes, and able to multi-task in a fast-paced environment.

If you are a potential candidate and have some questions, please feel free to talk with us.

We are looking for a MERN Stack developer to join our team at the earliest. In this role, as a Senior Mern Stack Developer, you will be entrusted with developing JavaScript applications using Node.js, Express, React.js, and Mongo DB. Apply now for the role of a Mern Stack Developer at Pattem that’s opening doors for skilled, energetic developers looking for Mern Stack Developer Jobs in Bangalore. If you can help us design and create multiple layers of applications while working cross-functionally across different infrastructures. You would fit perfectly if you love problem-solving, design, and creating quality offerings.

• As a MERN Stack Developer, it’s your responsibility to translate storyboards and various use cases to create high-performing apps
• Write, execute, and maintain clean, reusable and scalable code
• Integrate our various data storage solutions
• Ensure the responsiveness and boost the performance of our apps
• Find and address the various bottlenecks and bug-fixes
• Help in code automatization

• Previous working experience as a MERN stack developer for 3+ years
• Strong experience with full-stack Javascript framework, Mongo DB, Express, React.JS, Node JS.
• Self-motivated with the ability to work independently or jointly in a self-directed way.
• Demonstrated successful development of enterprise-grade web applications
• Proven analytical and problem-solving capabilities
• Keen attention to detail
• Comfortable leading product development
• Strong work ethic and desire to build industry-leading products
• Proactive instead of reactive
• Looking for ways to improve self and projects

About the Company

Xerago is a 15-year-old Private Limited company that helps brands with their Marketing Transformation by providing integrated marketing services through its Marketing Centres of Excellence.

We are looking for a Full Stack Developer who will work on a broad range of cutting-edge technologies.

Go Xerago!

Official website - https://www.xerago.com/">https://www.xerago.com/

Go Xerago!

Experience Required – 2 to 6 years

What you’ll do

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

What you’ll need

• Strong organizational and project management skills.
• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular JS, React and Amber.
• Proficiency with server side languages such as Python, Ruby, Java, PHP and .Net.
• Familiarity with database technology such as MySQL, Oracle and MongoDB.
• Excellent verbal communication skills.
• Good problem solving skills.
• Attention to detail.

Hello,

Is your career aspiration to build and scale up Technology products to reach millions of users? Then we are looking for you!

This is with reference to our conversation today. We are looking for great talent like you to help us build the world's largest and only cricket network! 

We are what you wish existed while you were growing up playing cricket! CricHeroes is the world’s largest Cricket Network with 10 million+ users. It helps cricketers score their matches, tournaments, get recognition and improve themselves with data. In the next few years, we are determined to reach 100 million+ grassroots cricketers all around the world. With 70+ District level associations, 20+ BCCI affiliated associations in India, and 30+ ICC-affiliated associations, the app is currently used around the world which includes quite a few test-playing countries as well. 

We are a team of 44 extraordinary members, who are striving to do some great quality work, empowered with freedom and responsibility, keeping in mind “What’s best for CricHeroes''. We live by the culture of openness and candor. To be able to say what you feel with the right intent helps us to grow as an individual and as a company.

Moving on from work-life balance we believe in work-life integration. For matured adults working with us, we don't find a reason to have control over their leaves and holidays. Thus, we have an “Unlimited Leave Policy” and it's working great for us! In addition, we also have flexible work hours and 5 workdays a week. Moreover for anything, we ensure we set the right Context over Control.

To help us grow and increase our Talent Density, we are looking for an All-Rounder Full Stack Developer, who is passionate about scaling up India's one-of-a-kind niche B2C platform and the pulse of the nation - Cricket!

Please find below the details of the job:

This might be a great opportunity for you if

• You are action and result-oriented highly driven person who aspires to be part of a team that is scaling up a successful B2C product.

• You are an analytical problem solver with strong Node.JS knowledge and a passion for teamwork and innovation

• You have hands-on experience in designing and developing applications and object-oriented analysis and design using common design patterns.

What are we looking for, in you?

• You are an ambitious problem solver who is constantly learning and updating yourself with the latest technology and an expert in technology development.

• In-depth knowledge of Node.js and used it for product development in a B2C fast-paced product company for 5-6 years

• Strong analytical skills and problem-solving aptitude

• Attention to details

• You believe in teamwork.

• You have a Bachelor's degree in Computer Science (or Equivalent).

• Mandatory Technical background: Node.js, Javascript, MySQL, MongoDB, Redis, Angular JS, React JS

• Preferable skills in AWS, Big Data, Analytics, Google Cloud.

What are we looking for, from you?

• You will write well-designed, testable, efficient code.

• You will ensure the code and designs are in compliance with specifications as developed.

• You will prepare and produce releases of software platforms and support continuous improvement by investigating alternatives and technologies.

• Work as part of a team developing applications and services using Agile development methods

• Contribute to team and organizational improvements in process and infrastructure

• Build customer-facing UI and back-end services

• Code, test and operate node.js based services

• Effectively use tools and ingenuity to identify and fix defects before they become a problem

• Good Stackoverflow profile is a big plus.

We are made in India by the passionate cricketers for the passionate cricketers of the world!

If you are interested, I will send you details to my team for further screening.

• He/She will be a part of a very agile short-cycle development with continuous integration in a dynamic start-up environment
• He/She will elaborate on technical concepts and actively integrate your own ideas and visions into the product
• He/She will do code reviews and support your colleagues in the daily business.
• Should have done Minimum three projects using any of these following technologies: Angular 2+
• Should have scored 7.0+ CGPA.
• Experience with building the infrastructure for serving the front-end app and assets
• Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience