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Jonish Prajapati

@jonishprajapati

Software Engineer at Western Union developing Java payment microservices and orchestrating transaction workflows with Temporal.

United States

Message

At Western Union, I develop Java 21 and Spring Boot payment-processing microservices, including transaction validation, REST integrations, and asynchronous workflows for enterprise financial services.

I’ve developed Temporal workflows for onboarding and transaction processing, and worked with Kafka messaging to investigate failed transactions, consumer lag, and retry behavior. I also build Angular applications integrated with REST and GraphQL APIs.

Previously, at NIC Asia Bank, I developed Java Spring Boot services and React applications for banking workflows. At Yeti Tech, I supported enterprise Java applications in production, investigating incidents and application performance issues.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

Western Union

Aug 2024 - Present (2 years 2 months)

Designed and developed scalable backend services using Java and Spring Boot, implementing REST APIs for distributed microservices. Developed Temporal workflows, integrated Kafka for event-driven processing, and built Angular front-end applications.

Java Spring Boot Temporal Spring Security OAuth REST GraphQL Kafka Angular TypeScript Docker Kubernetes AWS Jenkins Maven Git CI CD Splunk Grafana Unix BASH Microservices Agile Scrum

Software Engineer

NIC Asia Bank

Jun 2022 - Dec 2023 (1 year 6 months)

Designed and developed Java Spring Boot microservices with layered architecture, built secure RESTful APIs with OAuth2/JWT, and developed React.js applications. Implemented event-driven systems with Kafka and RabbitMQ, and managed AWS infrastructure with Terraform.

Software Engineer

Yeti Tech

May 2019 - May 2022 (3 years)

Provided 24/7 production support for enterprise Java applications, diagnosing and resolving critical incidents. Monitored microservices and Angular applications, managed RabbitMQ messaging, and supported cloud deployments on GCP.