Technical Lead

About AiSensy 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.vc, Bluelotus.vc & 50+ Angel Investors Role Overview: We’re 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. You’ll 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.g., 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.g., Prometheus, Grafana). - Prior experience in a SaaS or B2B product environment. - Familiarity with testing tools such as Jest, Mocha, or Cypress. Why Join AiSensy? - Lead with Impact: Own major components of a product used by 100K+ businesses. - Career Growth: Fast-track your career through real leadership experience and meaningful projects. - Dynamic Culture: Work in a transparent, fast-moving, and innovation-first environment. - Build the Future: Shape how modern businesses interact with customers on WhatsApp at scale. Excited to lead innovation in a product that powers revenue for thousands of brands? Apply now and help us build the future of customer engagement at AiSensy.