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 & 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 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 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 & 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.