Headline

Software Engineer III | React.js | Micro-Frontends

About

Senior Frontend Engineer with 10+ years of experience architecting scalable, high-performance web applications across Banking, Healthcare, Pharma, and E-commerce. I specialize in building enterprise-grade React/Next.js applications, Micro-Frontend architectures, and highly accessible UI systems that meet strict WCAG 2.1 AA standards. Currently extending into AI engineering — building production RAG pipelines with vector databases (Pinecone), LLM integration, and streaming AI interfaces using Vercel AI SDK v6 and Google Gemini. Tech Stack & Expertise 🔹 Frontend Core: React 18+, Next.js 16+ (App Router), TypeScript, JavaScript (ES6+) 🔹 Architecture: Micro-Frontends (Module Federation), Component Libraries, SSR 🔹 State & APIs: Redux Toolkit, GraphQL (Apollo Client), REST APIs 🔹 Testing & Quality: Cypress, Jest, React Testing Library, SonarQube, Accessibility (Axe) 🔹 Styling: Tailwind CSS, Material UI v5, SCSS 🔹 Backend & DevOps: Node.js, Express.js, Git, Docker, AWS (Cloud Practitioner) 🔹 AI & LLM Integration: RAG Pipeline, Pinecone (Vector DB), Vector Embeddings, Semantic Search, Vercel AI SDK v6, Google Gemini, Prompt Engineering

Location

Bengaluru

AI stack

claude code

claude

gemini

github copilot

Pinecone

Vercel AI SDK

Work experience

Software Enginer III at Deloitte, May 2026 - Present · 5 mos, Led frontend delivery for 5+ international market launches — owning component architecture, sprint delivery, code reviews, and cross-browser compatibility across 3+ brand sites at global scale. Engineered a shared JavaScript component library consumed across multiple brand and regional repos, establishing coding standards and cutting build time for every new market rollout. Enforced WCAG 2.1 AA compliance across all patient-facing pages through automated Axe audits and structured code reviews, achieving zero-violation releases across international markets.

Consultant at Deloitte, May 2021 - May 2026 · 5 yrs 1 mo, Bengaluru, Banking | Spearheaded end-to-end delivery of a financial product micro-app from scratch for a global investment bank — architecting order entry, submission, and tracking flows within a proprietary micro-frontend framework — and led a squad of 4 developers to 95% E2E test coverage (Cypress/Gherkin) on critical financial workflows. Insurance | Led greenfield development of a centralized Developer Experience platform (Spotify's Backstage framework), engineering full-stack plugins (Node.js, Express, PostgreSQL) that surfaced engineering metrics for stakeholder decision-making. Healthcare | Engineered a secure User Access Management module with Role-Based Access Control for an e-commerce platform, streamlining onboarding and cutting manual access-review time by 30%. Supply Chain | Architected scalable micro-frontend applications using Module Federation to decouple Angular and React modules, reducing deployment cycles by 40%, and built real-time data visualizations (amCharts, DevExtreme) handling 10,000+ inventory records. Banking | Executed a large-scale legacy-to-AEM content migration and built custom financial calculator tools, reducing technical debt while improving customer-facing self-service capability.

Senior Software Developer at HCL Technologies, May 2019 - May 2021 · 2 yrs 1 mo, Tamil Nadu, India, Engineered the real-time frontend for a medical diagnostics instrument-monitoring platform (Angular 7/8, TypeScript, SignalR), enabling lab technicians to visualize live diagnostic actions on connected lab equipment. Built responsive UI modules for critical instrument-state management — consumables tracking, reagent status, sample error handling — in a regulated, safety-sensitive healthcare environment. Integrated SonarQube into the CI pipeline and drove high automated test coverage (Karma/Jasmine), maintaining a stable, production-grade codebase for medical diagnostics software. Coordinated with hardware-integration teams to keep real-time UI state synced with live instrument data, critical for accurate lab operations.

Test Analyst at Infosys Limited, Aug 2015 - May 2019 · 3 yrs 10 mos, Greater Chennai Area, Built a BDD test automation framework (Cucumber/Gherkin, TestNG, Maven) for critical private banking workflows, cutting manual testing effort by ~12 hours per cycle while improving release reliability. Engineered Sanity and Regression suites using the Page Object Model, giving a banking platform stable, maintainable test coverage across critical financial transaction flows.

Education

Bachelor of Technology - BTech, Computer Science, Srm University

Public links

github: https://github.com/rengha93