Summary
Overview
Work History
Education
Skills
Certification
Timeline
AWARDS & RECOGNITION
Hi, I’m

Sanjay Bhargav Gullipalli

UK
Sanjay Bhargav Gullipalli

Summary

Software Engineer with 5 years of experience developing scalable, production-grade applications using Java and Python on AWS. Proficient across the full software development lifecycle — from design and application development to testing, deployment, and operational stability. Experienced in building event-driven, serverless architectures; designing and maintaining algorithms that run synchronously across distributed systems; and delivering secure, high-quality code in large enterprise environments. AWS Certified (SAA-C03 & DVA-C02). Agile practitioner with strong CI/CD and cloud-native development disciplines.

Overview

5
years of professional experience
2
Certificate

Work History

Tata Consultancy Services (TCS) — EasyJet Account

Software Engineer
05.2025 - Current

Job overview

  • Designed and developed scalable, resilient systems integrating Java/Python Lambda functions with EventBridge, SQS, and SNS — implementing synchronous and asynchronous processing patterns for airline operations workflows.
  • Produced architecture and design artefacts for AWS-native applications, ensuring design constraints were met throughout code development; participated in technical design reviews and contributed to engineering community of practice sessions.
  • Built containerised microservices on Amazon EKS and Docker, improving system resiliency and enabling continuous iterative deployments via GitHub Actions CI/CD pipelines — reducing deployment cycle time by 90%.
  • Created secure, production-grade infrastructure using IAM least-privilege policies, KMS encryption, and Secrets Manager across dev/uat/prd environments — achieving full regulatory compliance and reducing security incident response time by 35%.
  • Led end-to-end observability with CloudWatch and Splunk; owned incident response and root-cause analysis, maintaining 99.9% uptime SLA across all production workloads. • Enforced GDPR-compliant data governance — encryption at rest/in transit, IAM access controls, and audit logging across S3, RDS, and Lambda.

Tata Consultancy Services (TCS) — EasyJet Account

Software Engineer
07.2021 - 05.2025

Job overview

  • Developed and maintained production Java and Python applications in a large corporate environment — building Lambda-based integration solutions, data processing pipelines, and APIs that ran synchronously across airline operational systems with zero unplanned downtime over 12 months.
  • Gathered, analysed, synthesised, and developed data visualisations and reporting dashboards using AWS Glue, Athena, and QuickSight — enabling continuous improvement of platform performance and operational insight from large, diverse data sets.
  • Identified hidden patterns and anomalies in integration data; used these insights to improve coding hygiene, refactor system architecture, and reduce MTTR by 30%.
  • Designed an AWS Transfer Family (SFTP) framework using Java and Python — automating secure vendor file ingestion and intelligent routing, reducing manual onboarding effort by 80% per vendor.
  • Authored reusable Terraform modules and GitHub Actions CI/CD pipelines for automated testing and deployment — shortening release cycles by 60% and eliminating manual deployment errors.
  • Performed AWS cost optimisation using CloudWatch metrics and Cost Explorer; implemented right-sizing and tagging strategies, reducing monthly cloud spend by 40%.
  • Contributed to team culture of diversity, opportunity, and inclusion; mentored junior engineers on AWS best practices and Agile delivery methodology.

Education

Anil Neerukonda Institute of Technology And Sciences
India

Bachelor's of Technology
06-2021

Sri Chaitanya Junior College
India

High School Diploma
03-2017

Skills

  • Languages: Java, Python — application development, scripting, Lambda functions, data pipelines
  • Software Design: System design, microservices architecture, event-driven patterns, RESTful APIs, synchronous & async processing
  • AWS: Lambda, S3, EventBridge, SQS/SNS, Step Functions, EC2, EKS, ECR, RDS, Glue, Athena, QuickSight, Bedrock
  • DevOps / SDLC: GitHub Actions CI/CD, Terraform, Docker, Kubernetes (EKS), CloudFormation, Agile/Scrum
  • Security: IAM, KMS, Secrets Manager, GDPR compliance, encryption at rest and in transit
  • Observability: CloudWatch, AWS X-Ray — monitoring, alerting, root-cause analysis

Certification

  • AWS Certified Solutions Architect – Associate (SAA-C03)
  • AWS Certified Developer – Associate (DVA-C02)

Timeline

Software Engineer

Tata Consultancy Services (TCS) — EasyJet Account
05.2025 - Current

Software Engineer

Tata Consultancy Services (TCS) — EasyJet Account
07.2021 - 05.2025

Anil Neerukonda Institute of Technology And Sciences

Bachelor's of Technology

Sri Chaitanya Junior College

High School Diploma

AWARDS & RECOGNITION

  • Best Team Member – Awarded for exceptional performance, teamwork, and contribution to easyJet platform delivery.
  • Special Initiative Award 2023 – Recognised for outstanding leadership and contribution to the TCS AWS Practice.
Sanjay Bhargav Gullipalli