Technical Lead

About AiSensyAiSensy 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 & Marketing800Crores + WhatsApp Messages done between Businesses and Users via AiSensy per yearWorking with top brands like Delhi Transport Corporation, Vivo, Physicswallah & moreHigh Impact as Businesses drive 25-80% Revenues using AiSensy PlatformMission-Driven and Growth Stage Startup backed by Marsshot.vc, Bluelotus.vc & 50+ Angel InvestorsRole 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 ResponsibilitiesTechnical 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 & SkillsMust-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.