Description :

AiSensy is a WhatsApp based Marketing & Engagement platform helping businesses like Adani, Delhi Transport Corporation, Yakult, Godrej, Aditya Birla Hindalco.

, Wipro, Asian Paints, India Today Group Skullcandy, Vivo, Physicswallah, Cosco grow their revenues via WhatsApp.

Enabling 150,000+ Businesses with WhatsApp Engagement & Marketing.

800Crores + WhatsApp Messages done between Businesses and Users via AiSensy per year.

Working with top brands like Delhi Transport Corporation, Vivo, Physicswallah & more.

High Impact as Businesses drive 25-80% Revenues using AiSensy Platform.

Mission-Driven and Growth Stage Startup backed by Marsshot.

Role Overview :

Were looking for a Tech Lead with deep hands-on experience in the MERN Stack who can lead a team of engineers, architect robust systems, and build high-performing web applications.

This is a high-ownership, high-impact role where you'll drive innovation, scalability, and performance across our tech stack.

Youll work directly with leadership, product, and design teams to create experiences that reach millions.

If you're a tech-savvy problem solver who thrives in fast-paced environments, this role is for you.

Key Responsibilities :

- Technical Leadership : Lead, mentor, and inspire a team of full stack developers; foster a high-performance, growth-oriented environment.

- Architecture Ownership : Design scalable, secure, and maintainable backend and frontend architecture to support real-time, large-scale applications.

- Full Stack Execution : Develop features end-to-end using the MERN stack from intuitive user interfaces in React.js to robust APIs in Node.js.

- Code Quality & Reviews : Uphold engineering best practices by conducting thorough code reviews and improving codebase maintainability.

- Collaboration : Work cross-functionally with Product, Design, DevOps, and QA teams to define, build, and ship impactful features.

- Performance & Scalability : Optimize web performance, server efficiency, and database interactions for speed and reliability.

- CI/CD & DevOps : Participate in infrastructure decisions and deployments with Docker, Kubernetes, and cloud tools (AWS preferred).

- Innovation : Evaluate new tools, frameworks, and processes to constantly raise the bar on development quality and team productivity.

Qualifications & Skills :

Must-Haves :

- 6+ years of experience in software development with at least 3+ years in a leadership or senior developer role.

- Strong proficiency with the MERN Stack : MongoDB, Express.js, React.js, and Node.js.

- Excellent command over JavaScript, TypeScript, and modern frontend libraries (e., Redux, Zustand).

- Solid understanding of RESTful APIs, asynchronous programming, and modern software architecture.

- Proven experience designing and deploying scalable systems on cloud platforms like AWS or GCP.

- Strong problem-solving, debugging, and analytical skills.

- Hands-on experience with version control systems (Git) and CI/CD tools.

- Excellent communication skills and the ability to lead by example.

Nice-to-Haves :

- Exposure to WebSockets, event-driven systems, or messaging queues.

- Experience with Docker, Kubernetes, and monitoring tools (e., Prometheus, Grafana).

- Prior experience in a SaaS or B2B product environment.

- Familiarity with testing tools such as Jest, Mocha, or Cypress.