Bangalore, India

lipak.sahil@gmail.com

+917795505029

Lipak Sahu
Senior Full Stack JavaScript Developer

Profile

Senior Full Stack Developer with 10+ years of expertise in architecting and scaling web applications using cutting-edge JavaScript technologies. Proven track record of building high-impact solutions from concept to production, including enterprise applications serving millions of users and AI-powered platforms delivering measurable business results. Specialized in React.js, Node.js and AI/ML integration with extensive experience leading engineering teams and mentoring developers to deliver exceptional software products.

Key Technical Achievements

  • AI Platform Development: Built production-ready AI system achieving 99% accuracy in document processing using OpenAI and Google Vision APIs
  • Performance Optimization: Delivered 40% faster content delivery and 35% improved load times through technical optimizations
  • Full-Stack Expertise: End-to-end development from React frontends, Android and iOS mobile apps to Node.js backends with comprehensive database design

Employment History

Senior Software Engineer at Oeta Technologies, Bangalore

May 2024 – Present

  • Architected full-stack AI-powered construction fleet management platform using React 18, Node.js 18+, OpenAI GPT-4, and Google Vision API.
  • Implemented advanced OCR system achieving 99% document processing accuracy, automating manual data entry for weighbridge operations.
  • Developed integrated ecosystem including responsive Admin Portal, PWA Field App, and mobile Employee App with real-time synchronization.
  • Built scalable backend services handling 700+ vehicles with real-time data processing, automated analytics, and comprehensive reporting systems.
  • Engineered offline-first architecture with WhatsApp integration, ensuring functionality in low-connectivity construction environments.
  • Optimized platform performance to deliver measurable business impact including ₹15M+ in operational cost savings for clients.

Product Engineer III at Forma, (Remote)

December 2021 – February 2025

  • Architected scalable web applications serving employee benefits platform, delivering innovative solutions for complex business requirements.
  • Optimized application performance and scalability using React.js, TypeScript, and Node.js resulting in 35% faster load times.
  • Implemented robust backend services using NestJS, MongoDB, and PostgreSQL handling thousands of user transactions securely.
  • Collaborated with product and design teams to deliver complex features on schedule while maintaining high code quality standards.

Technical Expertise

- Frontend • JavaScript ES6+ • TypeScript 4.9+ • React 18 • PWA • Responsive Design • HTML5 • CSS3 • Styled Components - Backend • Node.js 18+ • Express.js • RESTful APIs • GraphQL • MongoDB • PostgreSQL • Redis • JWT Authentication - AI/ML & APIs • OpenAI GPT-4 API • Google Vision API • Machine Learning • OCR Technology - Cloud & DevOps • Google Cloud Platform • Digital Ocean • Docker • Microservices • CI/CD • Vercel • GitHub Actions - Mobile & Tools • React Native • Progressive Web Apps • WhatsApp Business API • Git • Agile/Scrum • Technical Leadership

Education

Bachelor of Technology (B.Tech)

Computer Science & Engineering

Centurion University, India, Bhubaneshwar

2009 - 2013

Languages

English (Fluent) • Hindi (Fluent) • Odia (Native)

Senior Software Engineer at InMobi Technology, Bangalore

November 2018 – December 2021

  • Engineered CardPress CMS dashboard from scratch, replacing legacy systems and achieving 40% faster content delivery for millions of users.
  • Architected live streaming PWA application using React.js and WebRTC, scaling to serve millions of Glance users with real-time engagement capabilities.
  • Developed gamified survey/rewards PWA platform with coin-based reward system, driving user engagement and retention.
  • Built sophisticated A/B testing framework with advanced analytics dashboard, enabling data-driven optimization through interactive visualizations.

Software Engineer at Capillary Technologies, Bangalore

May 2017 – October 2018

  • Integrated multiple social communication channels (Facebook, Google, Line) into enterprise Outbound marketing platform.
  • Implemented loyalty points system in Timeline module, enhancing customer retention and brand engagement through gamification.

Web Developer at Thomson Reuters, Bangalore

Jan 2015 - May 2017

  • Delivered 150+ pixel-perfect responsive websites with 100% cross-browser compatibility using HTML5, CSS3, and JavaScript for enterprise clients.
  • Optimized web applications for all devices ensuring consistent user experience and performance across desktop, tablet, and mobile platforms.