Sumon Ghosh

About

Backend-focused SDET (2 years at Tata Consultancy Services) specializing in API testing, backend validation, CI/CD automation, and reliability. Proficient in Python and Node.js with hands-on Linux, AWS, Docker, and Terraform (IaC), and experienced with TDD/BDD (Gherkin), security-aware API validation, and performance testing (k6). Proven ability to validate distributed systems, debug production incidents using CloudWatch, and drive reliability using Blue/Green deployment and continuous delivery. Building full-stack AI and data platforms and AI assistant projects using MERN and LLM integrations.

Experience

• Assistant System Engineer · Tata Consultancy Services06-01-2022 – 02-01-2024

  • Developed and maintained backend services using Node.js and REST APIs; implemented comprehensive API validation, request/response analysis, and end-to-end workflow testing using the requests library, incorporating security checks for common vulnerabilities (auth bypass, injection, improper error handling). • Designed and authored 300+ test cases (functional, regression, exploratory, and BDD-style using Gherkin) with pytest across distributed microservices, ensuring contract adherence and inter-service communication reliability. • Configured and maintained CI/CD pipelines using GitHub Actions and Jenkins, automating build, test, and deployment stages with Blue/Green deployment strategies, reducing deployment lead time by 30%. • Applied data-consistency validation scripts across distributed systems, identifying 30+ edge-case failures and reducing data-integrity defects by 25%. • Provisioned and managed AWS infrastructure (EC2, S3, IAM) using Terraform (IaC), reducing manual environment setup time by 40% and ensuring cross-environment consistency. • Spearheaded resolution of production incidents using CloudWatch logs and root-cause analysis, cutting mean time-to-resolution by 20% and reducing critical post-deployment bugs by 15%. • Contributed to backlog refinement, story estimation, and sprint retrospectives within Agile/Scrum; mentored 3 junior engineers on test automation best practices and CI/CD workflows.

Education

• Bengal Institute of Technology and ManagementM.E / M.Tech, Electronics & Communication Engineering
• Sathyabama Institute of Science and TechnologyB.E / B.Tech, Electronics & Communication Engineering

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