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Avi Raj

2 followers

Backend-focused engineer specializing in distributed systems, performance engineering, and cloud-native architectures.

2 followers

Joined 19 Mar 2026

devaviraj.me

Experience

1 year, 1 month

JantaWave

Software Developer

Oct 2025 - Present (5 m) • remote • freelance

Designed and developed scalable backend services using Node.js and PostgreSQL to support a real-time social platform with concurrent users.
Architected and implemented RESTful APIs with optimized database schema design, indexing strategies, and query performance improvements.
Built backend automation and internal tooling using Python for monitoring, data processing, and operational workflows.
Implemented Redis-based distributed caching and real-time event handling to improve system throughput and reduce latency.
Managed end-to-end backend development, including architecture design, containerization, deployment, monitoring, and performance testing.
Collaborated with product and engineering teams to rapidly deliver production features and maintain system scalability.
Performed load testing and benchmarking to validate system stability under concurrent user load.

NodeJSExpress.js

PostgreSQL

React Native

Redis

docker

Nginx

GCP

Git

Github Actions

K2EdTech Industries Private Limited

Full Stack Developer

Mar 2025 - Present (1 yr, < 1 m) • remote • freelance

Developed and maintained backend services using Node.js, Express, and PostgreSQL for an online learning platform serving 200+ active students.
Designed backend workflows for live lectures, quizzes, and real-time student interactions integrated with third-party services.
Built and integrated an AI-powered multi-LLM assistant to automate student support and resolve queries efficiently.
Developed REST APIs and handled data flow between frontend, backend, and external services using Axios and API integrations.
Collaborated with product stakeholders to design scalable platform architecture and improve engagement features.
Deployed and maintained applications on cloud infrastructure (AWS) ensuring reliability and performance.

NodeJS

PostgreSQL

ReactJSExpress.js

AWSLangchain

Python

JavaScript

TailwindCSS

Git

UDIP TECHNOLOGIES PVT. LTD.

Computer Vision Intern

Aug 2024 - Sep 2024 (1 m) • new delhi, in • internship

Developed computer vision algorithms for visual data analysis and collaborated on optimizing vision systems for various applications. Trained YOLOv7 models with 10,000+ images, achieving 95% success in object detection using deep learning techniques. Improved computer vision models using deep learning and validated smart badge performance in real-world trials, achieving 63% success in object detection. Technologies Used: Python, OpenCV, YOLOv7, Django.

Django REST Framework

OpenCV

TensorFlowYOLOv7

Education

Guru Gobind Singh Indraprastha University

Bachelor of Technology - BTech, Mechatronics, Robotics, and Automation Engineering

2021 - 2025

Volunteering

Co-Head(Exexutive Core Team)

KARUYANTRA ROBOTICS CLUB

Aug 2023 - Jul 2024

As an Executive Core Team member, I am committed to nurturing an inclusive environment that encourages creativity, diversity of ideas, and constant learning. Together, we'll explore the realms of artificial intelligence, automation, and beyond, and apply our knowledge to develop solutions that address real-world challenges.