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Yashwanthkosuru - Overview

About Me

👋 Hi, I’m Yashwanth A Kosuru

Full Stack / Backend Software Engineer with 4+ years of experience building scalable, cloud-native, distributed systems using Java, Spring Boot, GraphQL, Microservices, AWS & GCP.
Strong focus on API design, performance optimization, caching, CI/CD automation, and DevOps workflows. Experienced in modernizing legacy systems and delivering reliable features in Agile environments.

🌍 Currently in Bahrain
🚀 Open to relocate
🌐 Portfolio: https://yashwanth-a-kosuru.com
💼 LinkedIn: https://www.linkedin.com/in/yashwanth-a-kosuru/

🧑‍💻 About Me

  • Backend-focused engineer with solid Full Stack exposure
  • Strong experience with Java + Spring Boot and GraphQL Federation
  • Built and scaled microservices for high-traffic production systems
  • Hands-on with cloud-native architectures on AWS & GCP
  • Actively involved in CI/CD, observability, and performance tuning
  • Comfortable working in Agile, cross-functional teams

🛠️ Tech Stack

Backend & APIs

  • Java, Spring Boot, Spring Microservices
  • Hibernate, JPA
  • REST & SOAP APIs
  • GraphQL (Apollo, Federation)
  • Node.js

Cloud & DevOps

  • AWS (Lambda, SQS, SES, EKS)
  • GCP (Cloud Run, Firestore, Pub/Sub, GKE)
  • Docker, Kubernetes, Helm
  • GitHub Actions, Jenkins
  • OpenSearch, CloudWatch, AppDynamics, Dynatrace

Databases & Caching

  • PostgreSQL, MySQL
  • MongoDB, Firestore
  • Redis Cache

Frontend

  • React.js
  • Angular
  • JavaScript, TypeScript

Tooling & Quality

  • Git, Maven
  • Postman, Swagger, SOAP UI
  • JMeter, Vegeta
  • OpenTelemetry
  • SonarQube, Veracode
  • JUnit, Jest
  • Python (scripting)

💼 Professional Experience

Full Stack Developer — iGA, Bahrain

  • Built end-to-end services across 5 applications using Java, GraphQL, Angular, AWS & PostgreSQL
  • Designed and implemented GraphQL APIs with complex resolver logic
  • Optimized PostgreSQL queries, improving response times by ~25%
  • Enhanced and maintained legacy Java applications with high reliability
  • Automated workflows using Camunda BPM
  • Built schedulers & notification services using AWS Lambda + SES
  • Improved performance with asynchronous processing via AWS SQS
  • Collaborated closely with senior engineers and followed clean-code best practices

Digital Specialist Engineer — Infosys

Telecom (US Client) — Backend Engineer

  • Developed microservices using Java, Spring Boot, Redis
  • Contributed to feature rollouts resulting in ~50% sales increase
  • Implemented JWT & OAuth2 authentication and authorization
  • Added Hystrix circuit breakers and fallback mechanisms
  • Automated retries using Kafka
  • Deployed services to AWS EKS via Jenkins
  • Supported production releases and critical hotfixes

E-Commerce (German Client) — Full Stack Engineer

  • Migrated monolith to Apollo Federated GraphQL architecture
  • Achieved ~20% performance improvement, especially during high-traffic sales
  • Designed GraphQL Coprocessor for Authorization
  • Integrated Apollo Router and schema publishing workflows
  • Used Firestore & Cloud Run for caching and performance
  • Built CI/CD pipelines using GitHub Actions + Helm
  • Added OpenTelemetry tracing and Stellate caching
  • Performed load testing using JMeter & Vegeta

🏆 Achievements

  • 🏅 Rookie of the Year
  • 🏅 Won 5 Awards and earned 6 Appreciation Badges
  • Client recognition for on-time delivery and consistent contributions
  • Architect award for optimizing Jenkins pipelines (20% faster deployments)
  • Leadership appreciation for code quality, defect resolution, and production fixes

📜 Certifications

  • Infosys Certified Java Developer
  • Infosys Certified Spring Boot Developer
  • Salesforce Certified AI Associate

🌱 Currently Exploring

  • Advanced GraphQL patterns & schema governance
  • Observability & distributed tracing at scale
  • Cloud cost optimization
  • System design for high-traffic platforms

📫 Let’s Connect