Full Stack Engineer

Job Description

Job Title: Full Stack Engineer (Product) Location: Baner (Pune) - On-site Company: Beast Insights Experience: 2-3 years Role Type: Full-time We?re building the Payment Command Center for high-risk merchants ? a platform that helps businesses recover failed payments, prevent chargebacks, and boost approval rates using data and intelligence. We turn millions of payment transactions into insights that protect revenue and drive growth. Now we?re looking for Full Stack Product Engineers who want to build complex, data-driven systems that make a real impact ? fast. What You?ll Do: Build core product features across the stack ? React, Next.js, Node.js, PostgreSQL. Work closely with senior engineers to design and deliver scalable, performant code. Help integrate payment gateways, APIs, and large transaction datasets. Collaborate with product and design teams to turn user problems into clean technical solutions. Take ownership of smaller modules and grow into larger responsibilities over time. Debug, test, and optimize systems to ensure reliability and speed. What We?re Looking For: 2?3 years of hands-on full-stack development experience. Proficient in JavaScript/TypeScript, React, Next.js, Node.js. Solid understanding of databases (PostgreSQL or MySQL) and RESTful APIs. Strong problem-solving mindset with attention to detail. Curiosity about payments, fintech, or SaaS products. Eager to learn, move fast, and take ownership beyond your experience level. Bonus Points: Exposure to payment gateways, fintech APIs, or data-heavy systems. Experience with Python, ClickHouse, or cloud deployments (AWS, GCP). Interest in data pipelines, analytics, or event-driven architecture. What Success Looks Like Within 30 days: You?ve shipped features and understand how our stack fits together. Within 90 days: You?re owning a module or service end-to-end. Within 6 months: You?re solving complex product challenges with autonomy and precision. Why Beast: At Beast Insights, you?ll work on real problems that move revenue for real businesses. You?ll learn directly from senior engineers building in one of the most complex, high-impact domains in fintech ? payment intelligence. This isn?t maintenance work. It?s high-velocity product building with clear outcomes and visible results.