Java Microservices Developer

Quantum Technologies. LLC; Las Vegas (NV); On-site; USD 110,000 - 160,000; Full time

Job summary

Quantum Technologies LLC in Las Vegas, NV is seeking an experienced Java Microservices Developer to join the Credit One Bank project. The role focuses on building scalable backend services, REST APIs, and reactive applications within a modern cloud environment.

You will work with Spring Boot, Kafka, API Gateway, and Config Server, delivering robust microservices and automated tests. Candidates should have 7-8 years of Java experience and a strong architecture mindset.

Qualifications

• 7–8 years of experience in Java development.
• Strong experience with Java microservices architecture.
• Hands-on REST API development.
• Experience with Reactive Frameworks and Reactive Programming.
• Strong knowledge of Spring Framework and Spring Boot.
• Experience with Apache Kafka and/or RabbitMQ.
• Understanding of API Gateway and Config Server.
• Experience with AWS or any other cloud platform.
• Experience writing and executing Unit Tests (UTs).

Responsibilities

• Develop and maintain Java-based microservices and REST APIs.
• Design and implement reactive applications using reactive programming frameworks.
• Build and maintain messaging integrations using Apache Kafka or RabbitMQ.
• Work with Spring Boot, API Gateway, and Config Server.
• Develop, test, and troubleshoot application components.
• Write and execute unit tests to ensure code quality.
• Collaborate with technical teams to deliver scalable backend solutions.

Skills

Java

Microservices

REST APIs

Reactive programming

Spring Framework

Unit testing

AWS cloud

Tools

Kafka

RabbitMQ

API Gateway

Config Server

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Summary:

We are looking for an experienced Java Microservices Developer to join the Credit One Bank team in Las Vegas, NV. The ideal candidate should have strong experience in Java development, microservices architecture, API development, reactive programming, and messaging technologies.

Required Skills:

• 7-8 years of experience in Java development.
• Strong experience with Java Microservices architecture.
• Hands-on experience developing REST APIs and endpoints.
• Experience with Reactive Frameworks and Reactive Programming.
• Strong knowledge of Spring Framework and Spring Boot.
• Experience with Apache Kafka and/or RabbitMQ.
• Understanding of API Gateway and Config Server.
• Experience with AWS or any other cloud platform.
• Experience writing and executing Unit Tests (UTs).

Key Responsibilities:

• Develop and maintain Java-based microservices and REST APIs.
• Design and implement reactive applications using reactive programming frameworks.
• Build and maintain messaging integrations using Apache Kafka or RabbitMQ.
• Work with Spring Boot, API Gateway, and Config Server.
• Develop, test, and troubleshoot application components.
• Write and execute unit tests to ensure code quality.
• Collaborate with technical teams to deliver scalable backend solutions.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.