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/
- 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
- Java, Spring Boot, Spring Microservices
- Hibernate, JPA
- REST & SOAP APIs
- GraphQL (Apollo, Federation)
- Node.js
- AWS (Lambda, SQS, SES, EKS)
- GCP (Cloud Run, Firestore, Pub/Sub, GKE)
- Docker, Kubernetes, Helm
- GitHub Actions, Jenkins
- OpenSearch, CloudWatch, AppDynamics, Dynatrace
- PostgreSQL, MySQL
- MongoDB, Firestore
- Redis Cache
- React.js
- Angular
- JavaScript, TypeScript
- Git, Maven
- Postman, Swagger, SOAP UI
- JMeter, Vegeta
- OpenTelemetry
- SonarQube, Veracode
- JUnit, Jest
- Python (scripting)
- 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
- 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
- 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
- 🏅 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
- Infosys Certified Java Developer
- Infosys Certified Spring Boot Developer
- Salesforce Certified AI Associate
- Advanced GraphQL patterns & schema governance
- Observability & distributed tracing at scale
- Cloud cost optimization
- System design for high-traffic platforms
- 📧 Email: [email protected]
- 💼 LinkedIn: https://www.linkedin.com/in/yashwanth-a-kosuru/
- 🌐 Portfolio: https://yashwanth-a-kosuru.com
- 🧑💻 GitHub: https://github.com/Yashwanthkosuru