Subhash Mahimaluri
Solution Architect | React Architect | Frontend Lead | Next.js | React Native | AI Engineer | 15+ Yrs
Professional Summary
Solution Architect & React Architect with 15+ years building high-scale SaaS platforms and cloud-native applications for Fortune 500 enterprises. Expert in Frontend Architecture (React, Next.js, Micro Frontends), React Native mobile development, and AI/LLM Integration (RAG, Vector DBs). Proven hands-on engineering leader driving end-to-end product development and cross-functional and distributed team delivery across web, iOS, and Android. Track record of optimizing system performance by 40%, reducing infrastructure costs by 25%, and delivering production-grade AI solutions. UAE-based with immediate availability.
Professional Experience
Solution Architect at Aeries Technology
- Solution Architect on a strategic enterprise client engagement, defining the multi-frontend (Micro-Frontend) architecture and shared platform standards for a large-scale application landscape
- Designing an AI Agentic Architecture — copilot agents that assist users and automate workflows across the product suite using modern LLM orchestration patterns
- Establishing frontend architecture, reusable component standards, and AI-integration guidelines across distributed engineering teams
Solution Architect at Yexaa Technologies FZCO
- As Solution Architect and hands-on individual contributor, designed and developed GatheredHQ, RexQR, PlanBPass, production-grade AI-driven SaaS apps delivering structured decision support across Web, iOS, and Android
- Architected the complete product stack including Next.js / React web frontend, React Native mobile applications, Node.js services, Supabase/PostgreSQL backend, and cloud infrastructure
- Designed and implemented a production-ready AI Advisor system, leveraging LLM orchestration, Retrieval-Augmented Generation (RAG), and advanced prompt engineering to deliver context-aware, reliable responses
- Built and shipped React Native CLI mobile apps with Push Notifications (FCM/APNs), Social Authentication (Google, Apple), Subscriptions, and In-App Purchases, ensuring full App Store and Play Store compliance
- Successfully published and managed live mobile applications on Apple App Store and Google Play Store, owning release pipelines, versioning, and store review processes
- Delivered high-performance web experiences, achieving 100/100 Lighthouse scores through optimized React, Next.js, and TypeScript implementations with sub-second load times
Projects:
GatheredHQ — Digital Menu & Restaurant POS (2025)
- Led the end-to-end migration of GatheredHQ from a Base44 prototype to a production-grade Next.js SaaS platform, establishing a scalable foundation for long-term growth
- Architected a multi-restaurant, role-based SaaS backend using Supabase (PostgreSQL) with Row Level Security (RLS), supporting Owners, Managers, and Waiters across multiple restaurants
- Designed and implemented a centralized backend architecture, enabling seamless consumption by Web (Next.js) and future mobile applications, independent of frontend uptime
- Built a secure onboarding and restaurant setup flow, allowing owners to create and manage multiple restaurants, staff roles, menus, and QR-based public menu pages
- Implemented high-performance, SEO-friendly public menu pages with optimized Next.js rendering and mobile-first UX
- Established Agile delivery process as Product Owner, working closely with the client through weekly sprints, pilot feedback, and iterative feature refinement
- Delivered a live MVP within one week, enabling real-world pilot deployment in a restaurant environment
- Ensured production readiness through schema design, migrations, defect stabilization, and QA workflows during pilot rollout
Technologies: Next.js, React, TypeScript, Supabase, PostgreSQL, RLS, Tailwind CSS
RexQR — Multi-Tenant Hospitality & Services SaaS (2025 – 2026)
- Architected RexQR, a multi-tenant SaaS spanning two verticals from a single vertical-aware platform — Hospitality (restaurants, cafés, bars) and Services (salons, car wash, clinics)
- Designed the backend on NestJS + Fastify with strict domain-driven modules, JWT / RBAC guards, Zod validation, and a consistent API response contract over Supabase / PostgreSQL
- Built an AI Sales Agent (Google Gemini) with proactive upsell, smart pairing, and menu-grounded suggestions, plus AI reports, AI menu extraction, and AI translations metered through a per-venue AI-credit system
- Shipped full guest ordering, payments (Stripe Connect, split bill, tips), bookings, waitlist, loyalty & CRM, KDS, and queue/token management across owner, staff, and guest apps
Technologies: NestJS, Fastify, React, Vite, TypeScript, Supabase, PostgreSQL, Stripe, Redis, Google Gemini, Turborepo, Docker
Principal Engineer | Technical Lead at Zensar Technologies
- Led enterprise-grade SaaS applications and cross-functional engineering teams for Fortune 500 clients including Shell and National Grid
- Designed CI/CD pipelines reducing deployment cycles from weekly to daily with 90%+ test coverage
Projects:
National Grid UK (1+ Year)
- Built enterprise UI with Next.js (SSR), React 18, TypeScript with reusable component architecture
- Designed AWS CI/CD pipelines (CodePipeline, Lambda, S3, CloudFront) → weekly to daily deployments
- Achieved 90%+ test coverage with Vitest & Playwright and 25% faster API responses
- Owned frontend architecture decisions, standards enforcement, and cross-team collaboration
Technologies: Next.js, React 18, TypeScript, Node.js, AWS, Vitest, Playwright
Shell AI Assistant (1 Year)
- Designed enterprise AI assistant using OpenAI-based LLMs and production RAG pipelines, FAISS/Pinecone, Node.js microservices
- Fine-tuned GPT models → reduced support tickets by 20% with context-aware responses
- Integrated Azure services (CosmosDB, Redis Cache) → 25% lower latency, 15% infrastructure savings
Technologies: React, TypeScript, LLMs, RAG, FAISS, Pinecone, Azure, Node.js
Shell FleetHub Modernization (1.5 Years)
- Led React 18 + TypeScript modernization with Redux Toolkit + RTK Query → 40% faster load times
- Adopted Micro-Frontend architecture with Module Federation for independent deployments
- Optimized Azure cloud infrastructure with Auto Scaling, Load Balancers, Redis caching
Technologies: React 18, TypeScript, Redux Toolkit, Module Federation, Azure, Jest, Playwright
Lead Software Engineer at Yexaa Consultancy Services
- Delivered full-stack SaaS projects for fintech and e-commerce clients using React, TypeScript, Node.js, GraphQL, AWS
- Architected Node.js APIs with MongoDB & DynamoDB serving 100K+ daily users
- Deployed serverless microservices (AWS Lambda) with CloudFront CDN → 40% performance improvement
- Built component libraries & design systems reducing development effort by 25%
Senior Staff Software Engineer at Altimetrik
- Owned full-stack delivery for Intuit QuickBooks Online with React, TypeScript, Node.js, GraphQL
- Developed 60+ SEO-optimized landing pages driving global SMB adoption
- Migrated to React Hooks → 30% frontend performance boost with 95%+ test coverage
- Automated AWS deployments (Lambda, EC2, CloudFront) ensuring high availability for millions of users
Technical Lead at Mindtree Ltd
- Led React, Redux, Webpack development for Time Inc media brands
- Built design system & component library → 25% faster site builds across global teams
- Implemented code-splitting & lazy loading → 40% Lighthouse/SEO improvement
- Drove WCAG 2.0 AA accessibility compliance and SEO optimization
Technical Expertise
Core Skills: React • Next.js • TypeScript • JavaScript • React Native • Frontend Architecture • Micro Frontend • Module Federation • Node.js • REST API • GraphQL • AWS • Azure • Docker • CI/CD • AI Integration • LLM • RAG • Agent Architecture • Harness Engineering • SaaS Architecture • Cloud Native
Frontend: React.js (8+ years), Next.js, TypeScript (6+ Years), Redux/Context API, HTML5, CSS3, Tailwind CSS, Styled Components, Webpack, Vite, Module Federation, React Native (iOS & Android), Design Systems, Monorepos (Nx/Turbo)
Backend & APIs: Node.js (5+ years), Express.js, Python (3+ Years), GraphQL, REST APIs, Microservices, MongoDB, PostgreSQL, Redis, Supabase
Cloud & DevOps: AWS (3+ Years), Azure (3+ Years), Azure DevOps, Docker, Kubernetes, CI/CD, GitHub Actions
Testing & Quality: Jest, Vitest, React Testing Library, Cypress, Playwright, TDD/BDD, 95%+ code coverage
AI & Automation: OpenAI, LangChain, LLMs, RAG, AI Agents, n8n, Prompt Engineering, Agentic Architecture, AI Harness Engineering, Multi-Agent Systems
Architecture & Design: Micro-Frontends, Distributed Systems, Cloud-Native, API/BFF Patterns, Event-Driven Systems, AI-Augmented Solutions, Agentic & AI-Augmented Systems
Core Competencies: Technical Leadership, Cross-Functional Team Delivery, Agile / Scrum, Product Ownership, Mentoring & Coaching, Stakeholder Management
Work Authorization
UAE Investor Residence Visa | Immediate Availability | Open to Visa Transfer for Full-Time Roles
Education
Bachelor of Technology in Computer Science & Engineering
MBA in Technology Management
Certifications
- AWS Certified Developer
- NodeJs Developer Certification
- React JS Advanced
Availability
Available for full-time employment and contract roles. Consulting and B2B project delivery available through registered UAE entity (Yexaa Technologies FZCO) when required. Open to onsite, hybrid, and remote collaboration.
Languages
English (Fluent)
References
References and detailed portfolio available upon request