Manjunathan Marappa

About Manjunathan Marappa

Welcome to my profile!I’m Manjunathan Marappa, a seasoned FullStack Lead Developer with 9.9 years of experience in building scalable, high-performance web applications and microservices architectures using Node.js and Angular. My journey spans a diverse range of industries including OTT platforms, fintech, and SaaS, enabling me to deliver robust solutions tailored to both corporate and public sector needs.* Core Expertise:Backend Development: Extensive experience with Node.js, Express.js, and NestJS, building RESTful APIs and microservices that scale effortlessly.Frontend Development: Proficient in Angular, creating intuitive and dynamic user interfaces.Database Management: Skilled in relational databases like PostgreSQL and MySQL, alongside NoSQL technologies like MongoDB.Cloud Platforms: Deep expertise in AWS and GCP services, leveraging tools such as Cloud Run, S3, Datastore, IAM, and more to architect cloud-native applications.DevOps & Microservices: Hands-on experience with Docker, Kubernetes, and CI/CD pipelines to ensure seamless deployment and high availability of applications.* Technology Stack: I’m adept at working with message brokers like RabbitMQ and Apache Kafka, and using Elasticsearch for efficient data retrieval. My passion for clean code and best practices extends to implementing Swagger API documentation and maintaining comprehensive unit tests with Jest.* Leadership & Teamwork: In my role as a technical lead, I’ve successfully led cross-functional teams, mentoring junior developers, and ensuring timely delivery of high-impact projects. I thrive in collaborative environments and enjoy driving continuous improvement through Agile/Scrum practices.* Project Highlights:Led the development of scalable OTT platforms and crypto trading apps with microservices architecture.Architected and deployed a secure migration service using NestJS on Google Cloud that seamlessly transferred over 1 billion user profiles.* My Mission: I am driven by the challenge of solving complex problems and delivering innovative solutions. My goal is to lead and contribute to projects where I can apply my full-stack expertise, cloud proficiency, and passion for cutting-edge technology.Let’s connect and explore opportunities to collaborate on impactful projects!Do you want to know more about me? Then ping https://csemanjunathan.github.io

Experience

1. Senior Software Developer

   IBM

   May 2025 — Present · Bengaluru, IN

Education

• Er. Perumal Manimekalai College of Engineering

  Bachelor of Engineering - BE, Computer Science

  2009 — 2013

Skills

• Php
• Cascading Style Sheets (Css)
• Jquery UI
• Microsoft Excel
• Html5
• Bootstrap
• Microsoft Powerpoint
• Microsoft Word
• Javascript
• Microsoft Office
• Angularjs
• Social Media
• Jquery
• Codeigniter
• Kohana Framework