A software developer with 4+ years of experience in BackEnd. Who loves coding and creating web and mobile applications using NodeJs, Nestjs, MongoDb, Mysql, Java and other technologies.
Hi, I'm Naveen Jangra, Backend Engineer with 4+ years of experience architecting scalable microservices and high performance APIs and distributed systems. Expert in Node.js, MongoDB, MySQL, and event driven patterns using Kafka, RabbitMQ. Proven success in optimizing critical APIs cutting execution time from 15 minutes to 1 second and designing large scale data processing systems, including real time coupon engines for 10M+ users. Skilled in building fault tolerant services, crafting multi channel notification platforms that boost user engagement by 50%, and developing data driven microservices that elevate product decision making.
July 2025 - Present
Working on Americana Group as a Senior Software Engineer.
pearheaded API optimization for high traffic retail brands (KFC, Pizza Hut, Wimpy ) reducing
processing time from over 15
minutes to less than 1 second using MongoDB bulk operations, advanced mongo aggregation
pipelines, and Aerospike batch
processing.
Engineered a dynamic coupon generation engine capable of reading and processing data from a
Parquet (PQT) file containing
approximately 10 million users, enabling real time personalized coupon distribution for
targeted marketing campaigns.
Delivered backend solutions that improved transactional efficiency and scalability across
multiple brands, leveraging modern
NoSQL and distributed database strategies to enhance user engagement and operational
reliability.
Aug 2023 - June 2025
Working on Yatra Freight Services as a backend Engineer.
Designed and deployed a highly scalable microservices architecture, utilizing AWS S3 for
efficient file storage and Akamai Net
Storage for fast and reliable content delivery. This solution ensured seamless file
management, improved performance, and
enhanced reliability for content delivery across various platforms.
Architected a comprehensive notification microservice enabling multichannel delivery via SMS
and email, utilizing interactive
content templating that boosted user engagement and improved personalized communication
experience by 50%.
Engineered a data analysis microservice that transformed raw data into actionable metrics,
enhancing strategic planning and
operational efficiency; empowered data driven decisions, resulting in a 25% improvement in
key performance indicators at
Yatra Freight Services.
June 2022 - June 2023
Architecting a scalable, microservices-driven university placement ecosystem designed to
automate recruiter workflows and optimize student career success through high-performance
backend systems.
Backend Engineering: Developed and implemented a robust backend system for a full-stack web
application using Node.js and NestJS, which enhanced system performance.
Database & API Optimization: Leveraged MongoDB to optimize database efficiency and
streamlined API interactions, resulting in a 35% increase in overall system reliability.
Technical Growth: Developed expert-level skills in modern backend technologies and
microservices, achieving high performance and reliability metrics throughout the internship.
Jan 2022 - Apr 2022
Built and deployed an AI Enabled Fintech B2B Cloud Application.
During this project, involved in creating a full stack web-based product thereby developing
a deep
understanding of all aspects of product development such as identifying appropriate user
requirements, designing a great user experience and building appropriate data models and
machine learning models.
UI components and backend design
Sept 2021 - Oct 2021
Worked on app testing, research and analysis in the programme.
Some of my Certificates.
Feb 2023
Apr 2021
Apr 2022
Jun 2023
July 2023
Jul 2023
Aug 2023
Apr 2022
Haryana, India
naveen.jangra0813@gmail.com
Chandigarh University, India
Hindi, English, Punjabi