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# API Security Engineer

- **Company:** OpenKyber LLC
- **Location:** United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, Application Performance Management, Code Review, Continuous Integration, Data Structures, Software Design Patterns, Github, Gradle, Monitoring of Systems, Spring Framework, Apache Maven, Enterprise Messaging Systems, MongoDB, MySQL, NoSQL, OAuth, Object-Oriented Software Development, Oracle (Applications), Prometheus, SQL Databases, Spring-boot, Software Security, Backend, Git, Containerization, Kubernetes, Apache Kafka, Reactive Programming, Restful APIs, Splunk, Docker, Jenkins, Microservices
- **Published:** May 19, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=c8d870719161bc4f

## About the Role

* 9+ years of experience in Java backend development
 * Strong experience with Java 8/11/17, Spring Boot, Microservices Architecture
 * Experience in building REST APIs and backend systems
 * Hands-on experience with SQL/NoSQL databases (Oracle, MySQL, MongoDB)
 * Experience with Kafka or messaging systems
 * Familiarity with AWS or cloud platforms
 * Strong understanding of data structures, OOP, and design patterns
 * Experience with Git, Maven/Gradle

Preferred Qualifications:

 * Strong background in Financial Services / Banking domain
 * Experience working in high-volume, transaction-based systems
 * Exposure to CI/CD tools (Jenkins, GitHub Actions)
 * Experience with containerization (Docker, Kubernetes)

Nice to Have:

 * Experience with reactive programming (Spring WebFlux)
 * Knowledge of API security (OAuth2, JWT)
 * Exposure to monitoring tools (Splunk, ELK, Prometheus)

Soft Skills:

 * Strong problem-solving and analytical skills
 * Excellent communication and teamwork abilities
 * Ability to work in a fast-paced Agile environment

## Description

We are seeking a highly skilled Java Backend Developer to join our team in Phoenix, AZ. The ideal candidate will have strong backend development experience building scalable, high-performance applications. Candidates with the financial services domain will be highly preferred. Local candidates will receive priority consideration., * Design, develop, and maintain scalable backend services using Java

 * Build and consume RESTful APIs and microservices
 * Work closely with front-end developers, product teams, and stakeholders
 * Optimize application performance, scalability, and reliability
 * Write clean, efficient, and testable code
 * Participate in code reviews and Agile ceremonies
 * Troubleshoot and resolve production issues
 * Ensure adherence to security and compliance standards


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