MERN stack developer

We are looking for a highly skilled Senior Full Stack Developer / Tech Lead to drive end-to-end development of scalable, secure, and high-performance applications. The ideal candidate will have strong expertise in React.js, Node.js, PostgreSQL, MongoDB, Python, AI/ML, and Google Cloud platforms (GCP). You will play a key role in architecture design, mentoring developers, ensuring best coding practices, and integrating AI/ML solutions into our products.

This role requires a balance of hands-on coding, system design, cloud deployment, and leadership.

Key Responsibilities

• Design, develop, and deploy scalable full-stack applications using React.js, Node.js, PostgreSQL, and MongoDB.
• Build, consume, and optimize REST APIs and GraphQL services.
• Develop AI/ML models with Python and integrate them into production systems.
• Implement CI/CD pipelines, containerization (Docker, Kubernetes), and cloud deployments (GCP/AWS).
• Manage security, authentication (JWT, OAuth2), and performance optimization.
• Use Redis for caching, session management, and queue handling.
• Lead and mentor junior developers, conduct code reviews, and enforce coding standards.
• Collaborate with cross-functional teams (product, design, QA) for feature delivery.
• Monitor and optimize system performance, scalability, and cost-efficiency.
• Own technical decisions and contribute to long-term architecture strategy.

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.

• Hands-on experience with PHP and frameworks like Laravel, Codeigniter.
• Thorough understanding of React and its core principles.
• Good with JQUERY.
• Database design for scalable and secure system using NoSQL (MongoDB) or RDBMS (MySQL or
• PostgreSQL)
• POC development with other engineers
• Writing Unit testing for a robust system

• Design and develop a comprehensive website using Next.js, integrating both client-side and server-side architecture.
• Build reusable code and libraries for future use, ensuring the technical feasibility of UI/UX designs.
• Optimize applications for maximum speed and scalability across a vast array of web-capable devices and browsers.
• Collaborate with team members, including designers and project managers, to translate business and user requirements into technical solutions.
• Implement robust security and data protection measures.
• Stay up-to-date with emerging technologies and industry trends to incorporate into operations and practices.
• Conduct testing to identify bugs and technical issues before and after deploying.
• Document development processes, code changes, and other technical information for reference and reporting.

Felicity literally means 'happiness'. We were conceived with the mission to make the world a happier place. Our core team is a mix of young startup leaders and seasoned doctors. Our mission in life is to make top-class talk therapy affordable and available anytime, anywhere to all those who could benefit from it. We strongly believe that mental health goes beyond labeled psychiatric illnesses and encompasses stress, anxiety, and other uncomfortable feelings that we have daily. We seek to spread that awareness and increase the number of people seeking therapy at the right time to improve their well-being. If you relate to the mission and it excites you to be part of an early-stage startup journey, we invite you to help us make the world happier, one life at a time.

The opportunity we are looking for a MEAN Stack developer to manage the frontend, backend and server-side of our Product. We are looking for someone passionate about performance, reliability, and design with the experience and credentials to back up that passion. Someone who can take ownership of applications, work on responsive design and solve technical challenges and take pride in their solutions and code. The person should be able to translate the business requirements into world-class code.

• Work with development teams and product managers to ideate software solutions
• Build the front-end and back-end applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective REST 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
• Provide technical expertise and leadership for Web Technology
• Provide design feedback to our design team
• Be responsible for end-to-end development and support cycle
• Provide client-facing presentations and support as needed.

• Strong knowledge and working exposure on the MEAN stack.
• Good understanding of server-side templating languages
• Creating database schemas that represent and support business processes
• Proficient understanding of code versioning tools, such as Git
• Understanding of Time-Space Complexity / Optimization
• Understanding the nature of asynchronous programming and its quirks and workarounds
• Ability to design and build extremely reliable, scalable, and high-performing enterprise systems
• Knowledge and experience with AWS cloud environment and services
• Deep understanding of Software Development methodologies, delivery frameworks
• Experience working with the latest design patterns
• Passion for clean design and library/modular grade coding
• Ability to work in agile methodologies in a distributed team environment.
• Experience working with Git and GitFlow model
  
  

Job Description

Job brief

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 with both 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.

Responsibilities

• Work with development teams and product managers to ideate software solutions
• Good working knowledge of PHP MVC web frameworks (Symfony or Codeigniter or Laravel)
• Proficiency in JavaScript (or jQuery) programming.
• Relational database skills with MySQL
• Understanding of responsive CSS design frameworks such as Bootstrap.

Requirements and skills

• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages 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

Interested candidates can share their CVs to shubhashish.dutta (at the rate) viswasi.com