Chandan Sahoo

Senior Backend Developer

Ajit Singh Nagar, IN.

About

Highly accomplished Senior Backend Developer with 4+ years of expertise in Node.js, AWS serverless architectures, Docker, and microservices. Proven ability to design, deploy, and optimize scalable applications, integrate complex systems like Stripe and Kafka, and implement robust CI/CD pipelines to drive performance, reliability, and cost efficiency in dynamic environments.

Work

Blulabs

|

Sr. Backend Developer

Ajit Singh Nagar, Punjab, India

→

Summary

Led the design, deployment, and optimization of scalable backend systems and CI/CD pipelines for Blulabs, enhancing reliability and reducing operational costs.

Highlights

Designed and deployed AWS serverless architectures (Lambda, API Gateway, S3) to improve scalability and significantly reduce costs.

Developed scalable GraphQL APIs and integrated Kafka for real-time event-driven systems, enhancing data processing capabilities.

Migrated legacy monolithic services to Docker-based microservices, improving resource management and system flexibility.

Implemented secure Stripe payment integrations and managed Infrastructure as Code (IaC) using CloudFormation and Terraform, ensuring robust and compliant financial transactions.

Optimized Node.js backends for peak performance and established CI/CD pipelines with CodePipeline, applying DevOps practices for automated rollbacks, monitoring, and logging to enhance system reliability.

Antier Solutions Pvt. Ltd.

|

Associate Software Engineer

Ajit Singh Nagar, Punjab, India

→

Summary

Developed and maintained high-performance web applications and RESTful APIs, integrating advanced blockchain functionalities and leading junior developer mentorship.

Highlights

Developed and maintained scalable web applications and RESTful APIs using Node.js and Nest.js, optimizing performance and ensuring efficient data handling.

Integrated blockchain functionalities, adhering to ERC721 and ERC1155 standards for secure digital asset management and enhanced data integrity.

Conducted comprehensive code reviews and applied Agile methodologies to ensure timely delivery of high-quality solutions, consistently meeting project deadlines.

Collaborated with project managers and stakeholders to align development efforts with strategic objectives, supporting high-scaling production phases and operational excellence.

Mentored junior developers, fostering a collaborative and innovative team environment while implementing security best practices to protect against vulnerabilities.

Redoq Pvt. LTD.

|

Backend Developer

Bidhannagar, West Bengal, India

→

Summary

Engineered and refined API endpoints and authentication middleware using Node.js and Express, significantly improving system efficiency and security.

Highlights

Engineered and refined API endpoints using Node.js and Express, optimizing system capabilities to achieve a 30% improvement in system efficiency.

Designed and implemented authentication middleware with JWT tokens, enhancing security protocols for RESTful APIs.

Developed scalable RESTful APIs capable of handling over 500,000 requests per minute, demonstrating high-performance system design.

Contributed to a robust backend infrastructure, ensuring secure and efficient data exchange.

BeanstalkEdu Pvt. LTD.

|

NodeJs Developer

Baguiati, West Bengal, India

→

Summary

Developed and deployed customized API endpoints and authentication middlewares using Node.js and Express, significantly reducing data retrieval time for customer-facing applications.

Highlights

Developed and customized API endpoints with Node.js and Express to enhance system functionality and data processing.

Authored authentication middlewares that successfully authenticated REST APIs with JWT Token, bolstering application security.

Deployed RESTful APIs using Node.js and Express, resulting in a 50% decrease in data retrieval time for customer-facing applications.

Contributed to a more responsive and secure user experience through optimized backend operations.

Education

OmDayal Group of Institutions

Uluberia, West Bengal, India
B.Tech Computer Science Grade:

Navgurukul Dharamshala

Dharamshala, Himachal Pradesh, India
Vocational Training Software Programming Grade:

Courses

Python

JavaScript

Skills

Programming Languages

Javascript, TypeScript, Python, Java.

Frontend

HTML, CSS, Javascript, Cypress (FE).

Backend

Node.js, Express.js, Nest.js, Flask, GraphQL, gRPC, Postman (BE), Jest.

Databases & ORMs

MySQL, MongoDB, PostgreSQL, Sequelize, Prisma, Mongoose.

Tools & Technologies

Git, Docker, Postman, Jira, SendGrid, Passport.js, Stripe (payment gateway), RabbitMQ, Kafka, Twilio, Redis, Firebase, VS Code, Figma.

Cloud Platforms

AWS Lambda, AWS Serverless, AWS S3, AWS CloudWatch, AWS CodePipeline, AWS CodeBuild, AWS ECS, IAM, VPC.

Version Control & Development Tools

Git, GitHub, Bitbucket, VS Code, Postman, Figma, Cursor AI, ChatGPT, Claude AI, Readdy AI.

Infrastructure as Code (IaC)

CloudFormation, Terraform.

Project Management

Agile, Team Management, Leadership, Mentorship.

DevOps

CI/CD Pipelines, Automated Rollbacks, Monitoring, Logging.

Blockchain

ERC721, ERC1155, Digital Asset Management.

Monitoring

AWS CloudWatch, PM2, Datadog.

Projects

Playback Health

Summary

Developed and deployed robust EHR services for Playback Health, enhancing healthcare workflows through scalable cloud architectures and automated deployment pipelines.

5irescan

Summary

Developed a blockchain explorer for the 5ireChain network, providing real-time data and analytics on blockchain metrics, transactions, and transfer history.

Fanverse

Summary

Developed an NFT marketplace focused on tangible assets like real estate and commodities, enabling secure digital collectible trading and enhanced user engagement.

DineOrder

Summary

Designed and implemented a platform to enhance the dining experience, offering digital menus, table reservations, and real-time order tracking to streamline restaurant operations.

BuzzApp

Summary

Developed a communication and collaboration platform featuring instant messaging, video conferencing, and file sharing, designed to streamline workflows and improve team productivity.