Mple.ai is an AI-powered training platform for enterprises, designed to deliver scalable, measurable, and impactful training through role-plays and AI-driven evaluations. Our platform allows enterprises to create custom simulations or use pre-built templates, making training more relevant, effective, and impactful. With mple.ai, companies streamline training, improve communication, and empower teams to sell smarter and faster. Role Description We are looking for a Sr.Software Engineer (MERN + Python) with 3-5 years of experience who can take ownership of projects end-to-end. Ideal candidates will have worked in startups or small companies, are comfortable wearing multiple hats, and can lead a small team while being hands-on with development. The right person is not just a coder, but a problem-solver someone who enjoys tackling tough challenges on HackerRank, LeetCode, or similar platforms, and can apply that same structured problem-solving approach to real-world product development. Key Responsibilities Lead a small team of developers, guiding them in design, coding, and best practices. Build, deploy, and maintain scalable web applications using MERN stack (MongoDB, Express, React, Node.js) and Python. Collaborate closely with founders, product managers, and designers to translate requirements into working features. Take ownership of end-to-end development from architecture design, coding, testing, to deployment. Drive code reviews, ensure clean code practices, and mentor junior developers. Stay updated with the latest tech trends and propose improvements. Requirements 3-5 years of hands-on experience in Software development. Strong proficiency in Python (experience with Flask and ML techniques preferred). Solid understanding of databases (MongoDB, PostgreSQL/MySQL). Experience with cloud platforms (AWS/GCP/Azure) and containerization (Docker). Exposure to building scalable REST APIs and microservices. Ability to lead and mentor a small team, ensuring delivery within timelines. Startup experience or experience in small teams (ability to work in fast-paced, unstructured environments). Strong problem-solving skills and ownership mindset. What We Offer Opportunity to work directly with the founding team and shape the product roadmap. Fast-paced learning environment with high ownership. Competitive compensation with growth opportunities. Flexible work culture focused on outcomes, not bureaucracy. Other Details Location: Mulund, Mumbai Work Mode: Onsite Work Week: 5 days (Monday–Friday) Type: Full-time Experience:years