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Full Stack Developer

CometChat

CometChat

Software Engineering
United States · Mumbai, Maharashtra, India
Posted on Nov 25, 2025
Our Mission
Fuel customer growth through meaningful, intelligent, and safe user-to-user (and now, user-to-agent) engagement.
CometChat Overview
CometChat is a full-stack conversational platform built to unify every layer of interaction — bringing together real-time conversations (chat, messaging, voice, and video), AI Agents, moderation, notifications, and analytics in one modular, developer-first solution.
Our company has seen rapid growth, thanks to several market validations — including our participation in Techstars Boulder Accelerator in 2019, followed by investments from experienced investors such as iSeed Ventures, Range Ventures, Silicon Badia, and Matchstick Ventures. CometChat raised a Series A round from Signal Peak Ventures, bringing our total funding to $16M.
We believe the interface of the future is conversation — not clicks. Every app will soon have an AI layer that’s as native as text messaging today. That’s why we’re building the infrastructure for the world’s AI-powered conversations — from human-to-human, to human-to-agent, to multi-party collaboration with AI in the mix.
From AI onboarding assistants that get users productive in minutes, to copilots that perform complex workflows in-app, to intelligent moderators that protect and guide communities in real time — our AI Agent platform makes it all possible.
With CometChat’s ready-to-use UI kits, powerful SDKs, and our Full Stack AI Agent Platform, product teams across startups and enterprises can launch safe, scalable, and smart in-app interactions faster than ever.
CometChat’s Products
Real-Time Conversations Platform – 1:1, group, and broadcast messaging plus voice & video calling — with rich media, pre-built UI kits, SDKs, APIs, and enterprise-grade moderation hooks.
Full Stack AI Agent Platform – Build, connect, and launch conversational AI agents, copilots, and chatbots with agent-ready UI, intelligent guardrails, workflow orchestration, RAG support, and deep analytics. Whether customers bring their own agent or use ours, we enable safe, contextual, and engaging interactions across web and mobile.
Shared Services:
  • Moderation Engine – Context-aware, multilingual, and media moderation with automated fallback handling.
  • Notifications Engine – Smart delivery across Push, Email, SMS with personalization rules.
  • Analytics & Insights – From message engagement to agent performance metrics.
Where We Make an Impact
  • Our AI-powered solutions transform engagement across industries:
  • Social Communities – AI Agents that foster inclusion, safety, and vibrancy.
  • Marketplaces – Conversational shopping assistants and fraud prevention baked in.
  • Events – Large-scale moderation that keeps interactions smooth for thousands.
  • Telemedicine – AI triage and privacy-safe patient-provider communication.
  • Dating Apps – Smart conversation starters and scam prevention for better matches.
  • SaaS – In-app copilots that perform both front-end and back-end actions.
  • Fintech – Compliance-ready messaging with automated risk checks.
  • Education & eLearning – Instant tutoring, safe peer interaction, and Q&A via AI.
  • Gaming – Real-time in-game companions, hints, and engagement prompts.
Why Join Us Now
We’re at the tipping point where AI becomes a native part of every conversation. At CometChat, you’ll help shape a future where users can talk to their apps as naturally as to a friend — where agents think, reason, act, and collaborate with humans in real time.
You won’t just be joining a product team — you’ll be building the standard for AI interaction layers: agent-aware UI, intelligent guardrails, rich actions libraries, and multi-party collaboration between people and AI.
If you want to help define how the next billion users will communicate — and push the boundaries of what’s possible in real-time, AI-powered engagement — we’d love to work with you.
Join us to build where AI meets human connection.

Position Overview & Priorities

We are looking for a skilled Full Stack Developer to join our engineering team and help build CometChat’s core platform. As a Full Stack Developer, you will work on both frontend and backend systems using React.js, Node.js, and related technologies. You will play a key role in developing scalable, high-performance, and secure applications that power real time communication across our products.

Primary responsibilities

  • Write clean, efficient, and maintainable code using React.js and Node.js.
  • Design, develop, and maintain backend services and RESTful APIs.
  • Work with MySQL and MongoDB to design schemas and optimize queries.
  • Use Redis for caching and performance improvement.
  • Build and maintain reusable frontend components using React.js.
  • Optimize both frontend and backend for speed and scalability.
  • Collaborate closely with design, product, and DevOps teams.
  • Participate in code reviews and contribute to best practices.
  • Stay updated on new tools, frameworks, and performance techniques.
  • Mentor junior developers and support team growth.

Work Location

In Office, Chembur, Mumbai

Prioritized Experiences and Capabilities

  • Strong experience in full stack development using React.js and Node.js.
  • Deep understanding of JavaScript (ES6+), HTML5, and CSS3.
  • Practical experience with MySQL and MongoDB.
  • Knowledge of Redis for caching and data optimization.
  • Experience with RESTful API development and integration.
  • Familiarity with state management tools such as Redux or Context API.
  • Experience with Webpack, Create React App, and Git.
  • Understanding of responsive and adaptive design.
  • Strong analytical and problem-solving skills.
  • Good communication and collaboration skills.

Here are the values that act as a guardrail of our execution culture:

Go above and beyond for the customer: We are obsessed with ensuring every customer is taken care of, no matter how big or small they are. We truly believe their problems are our problems, and will stop at next to nothing to see them succeed.

Be relentless: Never stop innovating. Be relentless in trying new things, and improving our product. Challenge the status quo, embrace learning curves, and don’t be afraid to fail. Focus on the outcome and everything else will fall into place.

Be curious: Practice empathy. Anticipate customer needs, and solve them before they get there. If you don’t understand something, ask questions and learn.

Have fun: Laugh. Be positive and kind. Make people feel good. Life is too short to not spend time doing what you love with folks you enjoy being around.

Interview Process

Our goal is to make sure you have the chance to get to know CometChat as we learn more about you. Through a series of conversations with CometChat’s founders and key stakeholders, we’ll want to learn more about your strategic and functional expertise, and your passion. We hope that you’ll bring questions and ideas to each conversation and suggest ways that we can get to know you and your capabilities better.

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