Full Stack Developer with 4+ years of experience building scalable distributed systems using Java, Spring Boot, GraphQL, Microservices, Redis, PostgreSQL, AWS & GCP. Strong focus on API design, performance optimization, cloud-native architecture, caching, CI/CD (Continuous Integration & Deployment) and DevOps workflows. Experienced in modernizing legacy systems and delivering reliable features in Agile environments. Open to opportunities in Netherlands, Germany & Ireland, with willingness to relocate across Europe.
Hi, I’m
YASHWANTH A KOSURU
Software Developer
Manama
Summary
Overview
4
years of professional experience
3
Certificates
Work History
Information & Government Authority (iGA)
Full Stack Developer (Consultant - Onsite)
05.2025 - Current
Job overview
- Built E2E services across 5 applications using diverse tech stack: GraphQL, Java, Spring Boot, Java Script, Angular, PostgreSQL, AWS and Camunda.
- Contributed to the development of Building Permits (Benayat) Application, enabling users to create, update, track and manage permit requests.
- Designed and implemented GraphQL APIs, including schema design, complex resolver logic, automated testing using Jest, optimized PostgreSQL queries, improving response times by 25%.
- Worked on Angular UI application, to support new backend services, ensuring seamless integration and improved user experience.
- Maintained and enhanced a legacy Java application, resolving defects and delivering new features with high reliability while preserving existing functionality.
- Leveraged Camunda BPM Engine for workflow automation, approval processes and streamline application lifecycle tracking.
- Built Schedulers and Notification Services using AWS Lambda and Amazon SES to support automated communication workflows.
- Implemented asynchronous processing using AWS SQS to improve system performance, and reduce response latency.
- Collaborated closely with Senior Developers, participated in code reviews, followed best practices and maintain high code quality.
Infosys
Digital Specialist Engineer
09.2021 - 04.2025
Job overview
- Major Telecom Company (US Client) - Backend Developer - Java with Spring
- Experience in developing Telecom & E-Commerce applications using Java, Spring Boot, Redis Cache and Maven in Agile with JIRA.
- Helped deliver new product & feature rollouts through that contributed to a 50% increase in sales.
- Worked with Spring Microservices and API Gateway (JWT, OAuth2) for secure Authentication & Authorization.
- Implemented Hystrix Circuit Breaker, Fallback mechanisms and applied Spring AOP for logging.
- Used REST, SOAP APIs and tools like Swagger, Postman, SOAP UI and JMeter for Integration testing. Apache Zookeeper for application context.
- Leveraged Kafka Message Broker to automate retries for failed orders, ensuring reliable order processing.
- Improved coding standards with tools like Sonar Lint, SonarQube and deployed to AWS EKS via Jenkins.
- Actively participated in deployment strategies (recreate, Blue-Green, Canary); provided immediate critical production code fixes.
- Modernized legacy modules, documented workflows and supported onboarding through knowledge transfer sessions.
- Major E-Commerce Company (German Client) - Full Stack Developer - MERN / GraphQL
- Developed scalable backend services using Node.js, GraphQL, Apollo Federation and contributed UI enhancements in React.js.
- Transitioned from monolithic to Federated sub-graphs, improving scalability and reducing maintenance overhead; boosted system performance by 20%, enabling stability during high-traffic sale events. Supported multiple POCs to identify issues and enhance development processes.
- Designed the LLD for GraphQL Coprocessor Application for Authorization and integrated Apollo Router for unified schema orchestration.
- Implemented secure communication using Secret Manager, schema publishing to Apollo Studio via Rover, and high-quality unit tests with jest.
- Used Firestore, Pub/Sub, Google Cloud Functions and Cloud Run as a caching layer to improve Authorization performance.
- Contributed to GKE deployment pipelines using GitHub Actions, Helm Charts, and Docker-based containerization efforts. Deployed code via Git and GitHub Actions to GCP. Used Python for scripting and AI tools to increase productivity.
- Integrated Open Telemetry and Stellate for distributed tracing and caching; performed load testing using Vegeta and JMeter.
Education
Jawaharlal Nehru Technological University, Kakinada
Bachelor of Technologies from Electronics And Communications Engineering
07.2021
University Overview
Skills
Backend & APIs — Java, Spring Boot, Spring Microservices, Hibernate, JPA, REST APIs, SOAP APIs, GraphQL (Apollo, Federation), Nodejs
Accomplishments
Accomplishments
- Earned 6 Appreciation Badges and Won 4 Awards
- Awarded Rookie of the Year for exceptional performance & fast learning.
- Award from Client for my on-time delivery and consistent contributions to key project milestones.
- Recognized by the Architect for optimizing Jenkins pipelines, improving CI/CD efficiency, simplifying and reducing deployment time by 20%.
- Appreciated by Senior Leadership for improving code quality, resolving high-priority defects in existing code, streamlining code clean up activities, and delivering immediate production fixes while adhering to best coding practices.
- Earned multiple Appreciation Badges for contributions to process optimization, testing strategies, and ensuring smooth production releases.
Certification
Infosys Certified Java Developer
Interests
Reading, Cooking, Music, Anime/ TV Shows, Building Personal Projects
Availability
See my work availability
Not Available
Available
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
swipe to browse
Languages
English
Bilingual or Proficient (C2)
Hindi
Upper intermediate (B2)
Telugu
Bilingual or Proficient (C2)
Kannada
Beginner (A1)
Quote
Don’t wait for the perfect idea. Start, and let the process shape the masterpiece.
Timeline
Full Stack Developer (Consultant - Onsite)
Information & Government Authority (iGA)
05.2025 - Current
Digital Specialist Engineer
Infosys
09.2021 - 04.2025
Jawaharlal Nehru Technological University, Kakinada
Bachelor of Technologies from Electronics And Communications Engineering