Lalit Sekhar Behera

I’m a Full Stack Engineer with 4.5+ years of experience building and modernizing enterprise SaaS platforms. I focus on scalable React + TypeScript frontends, clean REST APIs, and microservices-based architectures that stand up in production.

At Diligent, I led complete UI modernization of a 70+ page product across 300+ components, moving from a legacy design system to a new enterprise design system. I implemented an environment-based rollout using feature flags and delivered the full migration independently in 5–6 months, earning strong stakeholder and user appreciation through Customer Success feedback.

I also rewrote a core financial calculation engine shared across multiple services handling datasets up to 5,000 shareholders. By modularizing logic into pure functions, adding a validation layer, and fixing precision/rounding and equity split errors, I improved accuracy, performance, and significantly reduced production bugs—while following a test-first approach with unit tests.

On the backend, I designed REST endpoints using Moleculer-based microservices, built validation and structured error handling middleware, and wrote backend unit tests to ensure API reliability. As a senior contributor in ongoing modernization that doubled platform scale, I guide engineering decisions through architectural suggestions and PR reviews, and I’m hands-on across the full stack.