Ashkan Haidari

About Ashkan Haidari

Currently contributing to One Inc as a Software Engineer, focusing on Java-based backend development and Spring Boot microservices to support fintech workflows. Responsibilities include designing and implementing RESTful APIs with robust validation, transactional operations using JPA/Hibernate, and securing endpoints with JWT-based authentication and Spring Security configurations. Pursuing an Associate of Science in Computer Science at Folsom Lake College, expected in August 2026. Passionate about building scalable backend services that prioritize performance and maintainability, with a strong foundation in Java, Spring Boot, and REST API development. Dedicated to continuous growth and adopting new technologies to enhance team success.

Experience

1. Software Engineer

   One Inc

   Mar 2025 — Present · Folsom, CA, US

   Developed and maintained Java-based backend services using Spring Boot, supporting payment and insurance-related fintech workflows.Designed and implemented RESTful APIs with consistent request validation, pagination, centralized exception handling, and standardized response structures.Built backend business logic using Spring MVC and JPA/Hibernate, supporting transactional operations and complex entity relationships.Worked with PostgreSQL and MySQL to manage schemas, perform CRUD operations, and ensure data integrity across services.Implemented JWT-based authentication and role-based authorization to secure API endpoints.Configured and maintained Spring Security, including CORS handling, request filtering, and security best practices.Implemented Kafka-based event processing to support asynchronous and event-driven backend workflows.Applied structured logging and robust error-handling strategies to improve observability and debugging.Wrote and maintained unit tests using JUnit and Mockito, improving code reliability and test coverage.Supported build and deployment pipelines using Maven, Git, Docker, and CI workflows within an Agile/Scrum environment.Tech Stack:Java, Spring Boot, Spring MVC, Spring Data JPA, Hibernate, REST APIs, Microservices, Spring Security, JWT, Kafka, PostgreSQL, MySQL, Maven, Git, Docker, Postman, JUnit, Mockito, Agile/Scrum

Education

• Folsom Lake College

  Associate of Science - AS, Computer Science