Rohan Bera

I'm a

About

I am a cloud-native full stack developer with 5+ years of experience building scalable and reliable applications. I focus on designing systems that are efficient, maintainable, and production-ready. My work revolves around solving real-world problems using modern architectures such as serverless and distributed systems. I enjoy optimizing performance, automating workflows, and improving system reliability. Currently, I work at Infosys as a Senior Associate Consultant, contributing to cloud-based solutions while continuously learning and evolving with new technologies.

Profile Image

Cloud-Native Full-Stack Developer

Building scalable, cloud-driven applications with a strong focus on performance and reliability.

What I Do
  • Designing scalable backend systems
  • Building cloud-native & serverless architectures
  • Implementing CI/CD and DevOps automation
  • Optimizing performance and cloud cost
Key Highlights
  • 5+ years of full-stack development experience
  • Strong expertise in AWS & serverless architecture
  • Experience with production-grade scalable systems
  • Focus on clean code & system design

Beyond coding, I enjoy exploring new technologies, improving system design skills, and building solutions that create real-world impact.

Facts

5

Happy Clients

10

Projects

1000

Hours Of Support

4

Hard Workers

Skills

I am a cloud-native backend developer with strong experience in designing and building scalable applications using modern technologies. I have hands-on expertise in AWS services including Lambda, API Gateway, ECS, ECR, Step Functions, S3, DynamoDB, CloudFront, CloudWatch, SSM, and Secrets Manager. I work extensively with Infrastructure as Code using Terraform and Terragrunt, and follow DevOps best practices with tools like GitHub Actions, Jenkins, and SonarQube.

My backend expertise includes Node.js, REST APIs, and microservices architecture, along with testing frameworks such as Mocha, Chai, Sinon, and Cucumber. I also have experience with frontend technologies like Angular.

I actively work in Agile environments, participating in sprint planning, backlog refinement sessions with the Product Owner, and sprint retrospectives. I contribute to Scrum ceremonies, manage sprint boards in Jira, and collaborate with cross-functional teams to ensure smooth execution and timely delivery. I also have experience handling small development teams and coordinating tasks to maintain sprint velocity and quality.

I am proficient in Agile methodologies and continuously strive to build reliable, maintainable, and high-performance systems.

Backend & Frontend

NodeJS ExpressJS Swagger Angular Angular Material

Cloud & Infrastructure

AWS Terraform Terragrunt

Databases

SQL MongoDB DynamoDB

AI & Developer Tools

GitHub Copilot Amazon Q

DevOps & CI/CD

Jenkins Github Actions SonarQube

Unit and Automation Testing

Mocha Chai Jest Cucumber

Performance Testing

JMeter

Project Management

Agile Scrum Jira Confluence

Resume

Passionate about building efficient and scalable systems, with 5+ years of experience in full-stack and cloud-native development.

Sumary

Education

B.Tech in Computer Science & Engineering

2017 - 2021

MAKAUT, Kolkata

Grade: A+

Higher Secondary (Science)

2015 - 2017

WBCHSE, Kolkata

Grade: A+

Professional Experience

Senior Associate Consultant-Cloud Professional at Infosys

2025 - Present

Kolkata, WB, IND

  • Design and develop scalable backend services and APIs using Node.js following microservices architecture.
  • Build and manage cloud-native solutions on AWS using services like Lambda, API Gateway, ECS, S3, DynamoDB, and Step Functions.
  • Implement Infrastructure as Code (IaC) using Terraform and Terragrunt to automate cloud provisioning and deployments.
  • Maintain CI/CD pipelines using GitHub Actions and Jenkins to ensure efficient and reliable deployments.
  • Monitor and optimize application performance using CloudWatch, logging, and debugging tools.
  • Write unit and integration tests using Mocha, Chai, Sinon, and Cucumber to ensure code quality and reliability.
  • Collaborate with cross-functional teams in Agile/Scrum environments using Jira for efficient project delivery.

Associate-Projects at Cognizant

2021 - 2025

Kolkata, WB, IND

  • Worked on multiple critical enterprise projects, contributing to the design and development of scalable backend systems using Node.js and microservices architecture.
  • Designed and implemented RESTful APIs and integrated various services to ensure high performance and reliability.
  • Leveraged AWS services such as Lambda, API Gateway, S3, and DynamoDB to build cloud-native solutions.
  • Led key modules and coordinated with cross-functional teams to deliver features on time with high quality.
  • Implemented terraform scripts to streamline deployments and improve efficiency.
  • Participated in Agile/Scrum processes, collaborating with stakeholders and using Jira for task tracking and delivery.

Contact

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