Hy! This is

Rahul Teja

Senior Full Stack Engineer

I architect elegant full-stack applications and AI solutions using React, Next.js, Node.js, and Python, transforming challenges into business results.

About

I'm a Computer Science Engineer with 12+ years of experience in software development. As Team Lead and Full Stack Architect at Lenskart.com, I spearhead the development of scalable architecture while building sophisticated AI-powered applications and full-stack solutions that deliver tangible business results.

My expertise spans creating AI agents, intelligent chatbots, and developing comprehensive web applications that transform how businesses operate. I focus on crafting software that's not only technically excellent but strategically valuable—optimizing performance, integrating advanced capabilities, and designing scalable systems that drive growth.

Full Stack Architect

Expert in designing end-to-end solutions with React/Next.js and Node.js full-stack applications. Python specifically for AI/ML integrations. Cloud infrastructure on AWS/GCP.

AI & ML Solutions

Building intelligent systems with Python for LLMs, RAG architectures, and custom AI agents. Expertise in OpenAI, LangChain, and vector databases for production-grade AI applications.

Tech Stack
ReactNext.jsTypeScriptNode.jsExpress.jsPostgreSQLDockerAWSPythonLangChainLangGraphCrewAI
Experience
12+

Years Building AI-Powered Enterprise Solutions

Backend Development

Node.js, Express.js, NestJS - Building robust APIs, microservices, real-time systems, and scalable architectures. Python exclusively for AI/ML model integration.

Scalable Architecture

Designed systems handling millions of users with microservices, event-driven architectures, and cloud-native solutions on AWS and GCP.

Business Impact Driver

Transform complex business requirements into scalable technical solutions. Proven track record of increasing conversions by 21% and reducing operational costs through automation.

Leadership

Led cross-functional teams in building AI-powered platforms and enterprise solutions. Architected scalable systems processing millions of users, integrated ML models for business intelligence, and delivered measurable ROI through strategic technical decisions.

Experience

Team Lead - Full Stack

2021/09 - 2024/04

Lenskart

Hyderabad, India

Leading a 12-person engineering team in building AI-powered features and scalable full-stack architecture serving 10M+ users. Architected and deployed intelligent recommendation systems using ML models, increasing user engagement by 35%. Spearheaded migration to Next.js with server-side rendering, achieving 40% performance improvement in Core Web Vitals.

Integrated AI-driven personalization engines using Python for ML models and chatbot solutions. Built scalable backend services with Node.js/Express handling 100K+ concurrent users, implementing real-time data pipelines and event-driven architectures.

Node.js/ExpressReact/Next.jsTypeScriptPython (AI/ML)MicroservicesAWS/GCPRedisMongoDBTeam Leadership

Senior Full Stack Developer

2021/02 - 2021/08

Lenskart

Hyderabad, India

Architected full-stack checkout system processing $50M+ in transactions, integrating AI-powered fraud detection and recommendation engines. Built real-time inventory management system with predictive analytics for stock optimization.

Developed RESTful APIs and GraphQL services with Node.js handling 10K requests/second. Implemented Python-based ML models for dynamic pricing and personalized product recommendations, increasing conversion rates by 21.3%.

Node.js/ExpressReact/Next.jsTypeScriptPython (ML Models)GraphQLPostgreSQLRedisDocker/Kubernetes

Senior Full Stack Engineer

2020/01 - 2021/01

Darwinbox

Hyderabad, India

Built AI-powered HR analytics platform processing data for 500K+ employees, implementing predictive models for employee retention and performance forecasting. Developed full-stack features including real-time dashboards, RESTful APIs, and data visualization tools.

Architected microservices backend with Node.js/Express, implementing event-driven architecture with Kafka. Used Python specifically for ML model deployment and data analysis. Reduced infrastructure costs by 40% through optimization.

Node.js/ExpressReactTypeScriptPython (ML/Analytics)PostgreSQLRedisAWSKafka

Software Engineer

2017/07 - 2020/01

Zenoti

Hyderabad, India

Developed AI-enhanced Digital Form Builder with intelligent field suggestions and validation, increasing form completion rates by 80%. Built full-stack e-commerce platform with personalized product recommendations using collaborative filtering algorithms.

Implemented real-time analytics pipeline processing 1M+ events daily using Node.js for backend services and Python for data analysis. Created microservices architecture with Docker/Kubernetes, achieving 99.9% uptime.

Node.js/ExpressReact/ReduxJavaScript/ES6+Python (Data Analysis)MongoDBDockerKubernetesCI/CD

Software Engineer

2015/06 - 2017/06

Wadi

Gurugram, India

Built full-stack authentication system with Node.js backend and Python-based ML algorithms for fraud detection, increasing user acquisition by 25%. Developed data analytics platform processing customer behavior patterns.

Created RESTful APIs and real-time notification services using Node.js/Express and WebSockets. Implemented A/B testing framework and Python-based recommendation engine, contributing to 30% increase in sales.

Node.jsAngularPython (ML/Analytics)MongoDBWebSocketsA/B Testing

Full Stack Development Intern

2014/05 - 2014/08

Google Summer of Code

Remote, India

Developed mobile-first CRM platform with intelligent contact management and automated workflow systems. Built RESTful APIs and integrated third-party services for enhanced functionality.

Full Stack DevelopmentPHPJavaScriptMySQLAPI IntegrationMobile-First Design

Rapid Process

I follow the "Rapid Development Framework" - a proven methodology that transforms ideas into market-ready products. My approach combines strategic planning with agile execution, ensuring your project delivers measurable business impact from day one.

1

Concept-to-Strategy Call

Understanding your vision, target audience, and KPIs. We'll map out technical requirements and define success metrics that align with your business goals.

2

MVP & PRD Blueprint

Creating a detailed product roadmap with scalable architecture. I design systems that are maintainable, secure, and ready for future expansion.

3

Milestones & Progress

Regular sprint reviews with measurable progress. Each milestone delivers working features, ensuring smooth performance for users globally.

4

Market-Ready Delivery

Launch with confidence backed by continuous support. I provide AI upgrades, performance optimization, and scaling strategies for global growth.

Ready to Launch Your Next Big Idea?

Let's transform your vision into a scalable, AI-powered solution that drives real business results. From concept to market leader - I'll be your technical partner every step of the way.