MERN Stack Developer

Job description

Position Overview

Job Title: Vibe Coder

Company: Infosec Ventures (www.infosecventures.com) — a fast-moving cybersecurity-focused technology and consulting firm that builds secure SaaS products, bespoke web applications and delivers security consulting, assessments and training to enterprise clients.

Join a small, highly collaborative on-site team in Gurugram where you will contribute end-to-end to product development, use cutting-edge frontend and backend technologies, leverage AI-assisted coding tools to accelerate delivery, and influence product strategy in a fast-paced, non-9-to-5, face-to-face working culture.

Key Responsibilities

• Develop and ship high-quality frontend applications using Vite, ReactJS and NextJS; implement responsive, accessible UIs and reusable design-system components that align with product and UX goals.
• Design and implement backend services in Node.js and Python (Express/Fastify, Flask/FastAPI), building scalable, maintainable APIs and microservices that integrate with PostgreSQL, MySQL and MongoDB.
• Use AI-assisted coding tools (e.g., Cursor, Windsurf, Lovable.dev, AntiGravity or similar) to accelerate implementation, generate prototypes, automate repetitive tasks and create tests and documentation while maintaining strong engineering standards.
• Own features end-to-end: contribute to architecture and technical design, implement code, write tests, deploy to CI/CD pipelines, instrument observability, and iterate based on user feedback and analytics.
• Collaborate closely with product managers, UX/UI designers, QA and security stakeholders to translate requirements into technical deliverables, estimates and release plans; participate actively in roadmap and prioritization discussions.
• Participate in rigorous code reviews, promote best practices for testing and security-first development, and help maintain an efficient, reliable development workflow to enable rapid iterations.
• Write clear prompts for AI tools and produce high-quality documentation, README files and code comments to ensure team knowledge transfer and maintainability.

Required Qualifications

• 2–4 years of professional software development experience, preferably with product or agency teams delivering web applications.
• Proven experience building frontend applications with Vite, ReactJS and NextJS, including SSR/ISR patterns, routing, state management and performance optimization.
• Strong backend development skills in Node.js and Python using modern frameworks (Express, Fastify, Flask, FastAPI) and experience designing RESTful APIs and services.
• Solid practical experience with relational and document databases (PostgreSQL, MySQL, MongoDB): schema design, queries, indexing and migrations.
• Demonstrable experience using AI coding assistants to accelerate development, refactor code, generate tests or documentation, and improve code quality.
• Good software engineering fundamentals: data structures, algorithms, system design basics, debugging and writing maintainable, testable code.
• Familiarity with Git, code review workflows and CI/CD; GraphQL knowledge is a plus.
• Strong written and verbal communication skills, clear prompt-writing ability, and ability to explain technical trade-offs to non-technical stakeholders.
• Ability to work on-site in Gurugram, Haryana, India; flexibility to work beyond strict 9–5 hours when project needs demand.
• Bachelor’s degree in Computer Science, Engineering or equivalent practical experience.

Preferred Qualifications

• Experience with TypeScript, GraphQL, WebSockets or other real-time systems.
• Familiarity with cloud platforms (AWS, GCP or Azure), containerization with Docker and building CI/CD pipelines.
• Experience with testing frameworks and automated test strategies (Jest, Cypress, PyTest) and a focus on test coverage and reliability.
• Knowledge of performance optimization, front-end security best practices and accessibility (a11y) standards.
• Prior exposure to product management or demonstrated product sense: defining MVPs, prioritization and customer-driven iteration.
• Contributions to open-source projects, personal projects or a portfolio of shipped products demonstrating craftsmanship.
• Experience in agency-style or client-facing roles where speed, communication and adaptability are essential.

What We Offer

• Work Location: On-site in Gurugram, Haryana, India with a collaborative, face-to-face team culture.
• Competitive salary commensurate with experience and performance-based bonuses.
• Meaningful ownership of product features and direct influence on product direction and roadmap.
• Opportunities for rapid skill growth through regular code reviews, mentorship, a learning budget and access to modern AI-enabled development tools.
• Comprehensive health benefits, paid time off and support for work-life balance while acknowledging flexible hours outside a strict 9–5 schedule.
• Modern development environment with investment in tooling, cloud credits and a stipend for conferences or training.
• Small, collaborative teams with frequent cross-functional interaction—strong opportunity to grow into senior engineering or product roles.

Required Skills/Experience:

• 6+ years of experience in designing and developing enterprise and/or consumer-facing applications using technologies and frameworks like JavaScript, Node.js (Javascript), ReactJS, Angular, SCSS, CSS, React Native
• 3+ years experience in leading teams (guide, design, track), taking responsibilities to deliver as per the agreed-upon schedules
• Hands-on experience with SQL and NoSQL databases
• Hands-on experience working in Linux OS
• Very good debugging and problem resolution experience
• Experience developing responsive web applications
• Very good communication (verbal and written) to interact with our customers
• Ability and interest to learn alternative technologies based on need
• Experienced in product development lifecycle (prototyping, hardening, testing etc.)

Additional Skills/Experience:

• Working experience with Python and NoSQL databases such as MongoDB, Cassandra
• Eagerness to participate in product functional and user experience designs
• Experience in AI, ML, NLP, and Predictive Analytics domains
• Familiarity with i18n, latest trends in UI and UX designs
• Experience with implementation of payment gateways applicable in different countries
• Experience with CI/CD, Jenkins, Nginx

We are looking for a Full Stack Developer to build scalable software solutions and to be part of our cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.

You should have

• Degree in Computer Science or relevant field
• Strong knowledge and understanding of JavaScript and TypeScript
• Knowledge of multiple frontend languages and frameworks including HTML, CSS, SCSS, JavaScript and React.
• Knowledge of backend languages and frameworks primarily Node.js
• Familiarity with SQL databases (e.g. PostgreSQL)
• Knowledge of Docker, Kubernetes would be a plus.
• Leadership skills for guiding and mentoring team mates.
• Understanding of CI/CD Concepts
• Awareness of key concepts in DevOps and Agile principles

Perks

• Flexible working hours - employee tracking is never a thing
• A fun and close-knit agile team.
• Open office layout that promotes collaboration, conversation, and camaraderie – the result-oriented team.
• Recreational activities to keep you away from the screen and live, laugh, enjoy with the team.

• Develop, test, and deploy fast and scalable web apps
• Designing and maintenance of fully functional large relational and non-relational databases
• Timely deployment of web apps on the cloud
• Server management and cloud-based infrastructure
• Establishment and integration of development tools as required
• Identification of application issues when deploying the apps
• App deployment on the cloud along with solving debugging issues
• Coding architecture for frontend and backend

Skills & Requirement:

• Minimum 5 years Experience required.
• Angular 2.0+, Angular 7, Nodejs, .Net 4.0, .Net Core, REST API, Micro services, Networking.
• Distributed server and storage – MongoDB & SQL Server

• Hands on experience in building web-based enterprise applications
• Good working knowledge Angular, Nodejs, .Net Core
• Understanding of cloud technologies
• Direct understanding of application lifecycle; Agile, SDLC
• Proficient in Object Oriented Programming.
• Experience with Networking Concepts.
• Good at API integration, debugging and fixing the issues with API
• Experience in performing SQL queries on a RDMS.
• Operational experience: Troubleshooting and Support
• Ability to work in groups and in independent settings to complete assigned tasks
• Previous experience on IOT Projects will be added advantage

Work Location: 1st Sector, HSR Layout, Bengaluru - 560102

Office Timings : Monday to Saturday – 9:00AM to 6:00PM

Work From Office Only

• Develop, test, and deploy fast and scalable web apps
• Assist high-end web applications using , Node JS , Mongo DB , Angular9+
• Responsible for solving complex technical issues and giving quick solutions
• Active in client communication to understand functional requirements
• Assist in design, coding and testing
• Provide quick and simple technical solutions
• Ensure quality projects are delivered within defined timelines
• Maintain database to ensure strong optimization and functionalities
•  Designing and maintenance of fully functional large relational and non-relational databases
• Timely deployment of web apps on the cloud
•  Server management and cloud-based infrastructure
• Establishment and integration of development tools as required
• Identification of application issues when deploying the apps
• App deployment on the cloud along with solving debugging issues
• Coding architecture for frontend and backend
• Building interactive consumer data
• Creating features in apps that have a mobile responsive design
• Testing applications and fixing bugs, along with security and data protection features
• Establish code architecture decisions for supporting scalability and good performance
• Makes use of popular front-end frameworks like Bootstrap, LESS, etc and design UI components
• Participation with developers for the creation of scalable RESTful APIs
• Conducting code reviews of developers

• A Bachelor’s in a related computer science field.
• Expertise and experience in the four main technologies – MongoDB, ExpressJS, Angular, and NodeJS
• Knowledge of HTML/CSS, jQuery, Python, OOPS, UI/UX design, AWS, Git, and design framework, web services, JSON, AJAX, cryptography, and security,
• Experience implementing applications using Angular or React
• Experience creating front end applications using HTML5, Angular, LESS/SASS frontend CSS frameworks like Bootstrap, etc.
• In depth knowledge of NodeJS, ExpressJS or Restify
• Experience implementing applications using Angular
• Hands-on experience with JavaScript Development on both client and server-side
• Experience with modern frameworks and design patterns,
• Experience with cloud technologies also a plus

About Tweeny:
We are a team of passionate software Ninjas who design scalable software solutions.

We solve some of the interesting problems for our clients in a variety of sectors. We are also developing our own products where we are seeking bright minds with creative thinking.
We are a fast-paced and young team of fun-loving engineers. For us, work is not just a job but it's a way to grow & learn together while doing what we love.

We are looking to hire on MERN stack position (full stack engineering profile) although if you have worked only on either ReactJS/Native or NodeJS stack, please do apply as well.

We are hiring for a few specific teams at our organization that is building utility and functional web application experiences (as marketplace applications) that solving some interesting problems for remote workforce management.

Requirements:

• 2-5 years of experience working with React JS, Node JS, and other advanced JavaScript libraries and frameworks.
• Ability to understand business requirements and translate them into technical requirements.
• Strong software engineering skills with the proven ability to build, deploy, and maintain a scalable codebase.
• Experience working with remote data using RESTful APIs and JSON.
• Strong understanding of development tools and technologies like ES6, Redux, Immutable, JSX Components, Bootstrap, HTML, CSS, Git, NPM, Express.
• Strong understanding of any build tool like Webpack, Babel, Gulp, or similar.
• Strong affinity for benchmarking and performance optimization.
• Experience deploying applications to the cloud and setting up CI/CD is a plus.
• Experience building container images using tools like Docker is a plus.
• Ability to learn new languages and technologies.
• B.E/B.Tech in Computer Science, Engineering, or a related field.

• Produce clean, efficient code based on specifications
• Integrate software components and third-party programs
• Verify and deploy programs and systems
• Troubleshoot, debug and upgrade existing software
• Recommend and execute improvements for the software development and software delivery life cycle
• Ensure the highest standard of performance, quality, and responsiveness of the applications.

BLAZE Madurai looking for JavaScript Frontend & Backend developer with hands-on web or mobile app development.

Skills required for JS Frontend developer:

• Must have strong experience in Angular JS , React JS ,Ember, etc.
• Cross-platform JS development experience with any of following tools is a plus (Ionic , Meteor.js , React Native, PhoneGap)
• Good understanding of the knowledge of advanced JavaScript like Objects/Closures/Async Events/etc is required
• Proficient understanding of code versioning tools, such as Git/ SVN.

Skills required for JS Backend developer:

• Must have strong experience in NodeJs or another Javascript server.
• Experience with a JS Backend framework is important ex: ExpressJS.
• Proficient understanding of code versioning tools, such as Git/ SVN.
• Experience in other backend programming PHP/Python/Ruby is an advantage.
• Good understanding of the knowledge of advanced JavaScript like Objects/Closures/Async Events/etc is require

We are looking for a Full Stack Developer to produce scalable software solutions. You'll be part of a cross-functional team that's responsible for the full software development life cycle, from conception to deployment. As a Full Stack Developer, you should be comfortable around front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. Too familiar with Agile methodologies.

Responsibilities

• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation

Requirements

• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications
• Familiarity with common stacks like LAMP Stack and Mean Stack...
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. PHP, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science, Statistics or relevant field

Overview

Xcelpros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. Our focus is Tech Innovation, Product Development and Technology Consulting.

We are hiring for our Product Development team and have an immediate need for a Backend Developer / Fullstack MERN Developer. The position calls for someone with a mindset who can build great products, manage multiple projects and related tasks on deadline. We are looking for high-quality and passionate developers that want to be a part of a great product team.

You need to have at least 2 years of demonstrated experience  as a Backend Developer using MERN (NodeJS, MongoDB, PostgreSQL & Express) & GraphQL technologies. The candidate will work closely with our internal teams in the design, development, launch and enhancement of various products.

About XcelPros

XcelPros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. XcelPros is focused on Tech Innovation, Product Development and Technology Consulting.

XcelPros specializes in technology solutions for Business-to-Business (B2B) and Business-to-Consumer (B2C) areas. We believe technology is the enabler of exponential growth for us and our customers. We are strategists delivering innovative business and technology solutions.  We have been well funded and operational since 2011.

XcelPros and affiliated group of companies are proud to foster a high-performance culture, one that's defined by having the best people, with the skills and determination to deliver above and beyond. We look for insightful and astute professionals who are also forward-thinking, confident, self-motivated and globally minded. Our core team consists of professionals with a wide range of skills and backgrounds.  XcelPros is continuously looking for talented, highly motivated individuals who believe in excellence and are committed to providing superior service to our customers and stakeholders. 

Experience

• Minimum of 2 years of experience in the design and development of  Web and Mobile applications using NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
• You are required to have experience with development in Microservices Architecture 
• Experience with NestJS framework is a major plus
• Hands on experience with GoLang is not mandatory but a major plus

Start Date - Immediate

Positions - 2 (Immediate Need)

Responsibilities

• Minimum of 2 years of hands-on experience building applications in NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
• Strong and mandatory experience of 2 years of experience in building applications using the Microservices architecture in NodeJS
• Strong and mandatory skills in Automating Components, Perceptibility, Configuration Management, Debugging & Consistency while writing Microservices.
• Experience building applications using NestJS or similar frameworks is a major plus 
• Experience building applications and service integrations using Apollo /  GraphQL
• Adhere to best practices of engineering by writing high-quality code.
• Hands on experience in Elastic Search and related technologies
• Hands on experience with one or more testing frameworks such as  Jest
• You are required to write / conduct unit & integration testing to ensure code meets high-quality standards
• Collaborate with multiple stakeholders, including Production Support, BAs, Architect, Project Managers, and Product Owners to deliver high quality solutions.
• Develop, build, configure and unit test solutions from low level designs
• Ensure that solutions meet requirements outlined in the design documentation
• Perform all work to agreed time, cost and quality constraints
• Ensure that developed solutions are peer reviewed and formally documented
• Design, develop, test and document detailed technical specifications for application components built using MERN (MongoDB, ExpressJS, ReactJS, NodeJS) stack and integrations
• Develop and maintain high traffic / high performance React and Node based e-commerce web applications and web services, including support for mobile
• Participate in support activities to help UI developers integrate with APIs / services
• Create and maintain scalable infrastructure leveraging modern AWS cloud platforms
• Knowledge of all development aspects within an Agile SDLC framework, including; estimation, design, development, unit test, code reviews, and documentation
• Develop solutions that satisfy business requirements as outlined in user stories, and within agreed upon timelines
• Ensure solutions are of high-quality with regards to following standards and best practices, as well as satisfying security and performance requirements
• Collaborate effectively with other Agile team members
• Work with the Production Support team in the research and resolution of production issues.
• Prior hands-on experience with architecture for Web and Mobile technologies, E-commerce, Payment Gateways, Data security and encryption is a major plus
• Experience with CICD, containers and container management platforms(Dockers, Docker Swarm/Kubernetes, etc.)
• Knowledge of GOLANG is a major plus
• Good understanding of the Twelve-factor App methodology is a major plus
• Experience defining new architectures and ability to drive project from an architecture standpoint is a major plus
• Experience with Security configuration is a major plus
• Experience in understanding platforms & key AWS services like Elastic Beanstalk, AWS Lambda, ECS, AWS Fargate, EKS, EC2, S3 etc. is a major plus
• Troubleshoot and resolve complex technical issues in cloud integrations
• Highest levels of code quality
• Needs to conduct weekly code reviews
• Ensure timely and quality release of the product in collaboration with other team members
• Must be a self-starter and able to build up presence in the team.
• Perform other related duties as assigned

Technical Expertise / Hands-On Skills:

• MERN (MongoDB, ExpressJS & Node JS)
• PostGreSQL
• Apollo GraphQL
• JEST
• RESTAPIs

Key Deliverables

• Develop very high sense of ownership, the zeal to build scalable applications
• Develop a deep understanding of product development and start-up ecosystem
• Work with a performance oriented team driven by ownership and open to experiments
• Build customer facing technology product for global customers
• Collaborate with development teams to help identify and develop reusable platforms/libraries.

Key Requirements

• Can do attitude
• Highly motivated to bring fresh thoughts to the table
• Highly creative and most importantly willing to exercise it
• Self-starter and self-learner focused on research and learning
• Ability to play a variety of roles and most importantly take accountability
• Ability to communicate openly and embrace various perspectives without judgment
• Believe in a ”No politics” attitude. Politics can be detrimental to yourself and the organization.