Karthik Gunturu

About Karthik Gunturu

Software Developer | Spring Boot | Microservices | gRPC | Kafka | Redis | PostgreSQL | Cloud (AWS/GCP)| Docker | KubernetesPassionate and results-driven Java Backend Developer with around 5+ years of experience building scalable, high-performance applications. Expertise in designing event-driven microservices using Spring Boot, Kafka, Redis, and optimizing database performance with PostgreSQL & NoSQL. Strong background in cloud-native deployments (GCP, Kubernetes, Docker) and secure API development (JWT, OAuth2, Spring Security). Tech Stack & Specialties Backend Development → Java 17+, Spring Boot, Spring Data JPA, Hibernate Microservices & APIs → RESTful APIs, gRPC, Event-Driven Architecture Messaging & Streaming → Apache Kafka, Redis, ElasticSearch Cloud & DevOps → Docker, Kubernetes, CI/CD (Jenkins, GitHub Actions), GCP, AWS Database Management → PostgreSQL, MySQL, Redis (NoSQL) Security & Testing → Spring Security, JWT, OAuth2, JUnit, Mockito Key Achievements & Impact Designed & deployed a cloud-based networking solution improving real-time data distribution over Wi-Fi (Ruckus Project). Developed high-performance microservices with Kafka-based event-driven processing, boosting efficiency by 40%. Optimized API performance with Redis caching, reducing response time by 50%. Built \"NexCar\" – a vehicle trading platform, integrating seamless transactions & personalized recommendations using Spring Boot & AI-based analytics. Open to new opportunities in backend engineering, cloud-native development, and distributed systems. Always excited to collaborate on challenging projects and explore cutting-edge technologies. Let’s connect!

Experience

1. Software Developer

   Shopify

   May 2023 — Present · US

   Built and maintained backend services with Java, Spring Boot, Hibernate, and JPA to manage Shopify workflows including order syncing, product updates, and fulfillment logic across multiple storefronts.• Developed RESTful and GraphQL APIs in Node.js, enabling seamless data exchange between internal dashboards and embedded Shopify apps used by store managers and fulfillment teams.• Engineered real-time data pipelines with Apache Spark and Kafka Streams, processing Shopify events (orders, refunds, inventory changes) for analytics, monitoring, and automated alerting.• Designed robust data management solutions using MySQL for structured records (SKUs, pricing, order history) and MongoDB for schema-less Shopify metafields and configurations.• Built React.js, TypeScript, JavaScript, HTML5, and CSS3 dashboards for real-time visibility into sync statuses, webhook failures, and system metrics, improving transparency for business teams.• Automated backend workflows with Python on Linux, handling bulk product imports, log parsing, API health monitoring, and vendor integrations to reduce manual intervention.• Deployed containerized microservices with Docker, Helm, and AWS EKS, implementing blue-green deployment strategies and scaling event-driven pipelines with S3, SQS, Lambda, CloudWatch, and ELK Stack.• Implemented infrastructure-as-code with Terraform and GitLab CI/CD, streamlining provisioning, deployments, and release cycles across dev, QA, and production environments.• Enhanced reliability and security by integrating RabbitMQ for async processing, developing automated test suites (JUnit, Mockito, REST-assured, Selenium), and securing APIs with Spring Security, OAuth2, and JWT (RBAC) in an Agile environment.

Education

• Webster University

  Master's degree, Information Technology

• Lovely Professional University

  Bachelor's degree, Electrical and Electronics Engineering