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# Java Backend Engineer

- **Company:** CitiusTech
- **Location:** Denver, CO, United States
- **Experience:** Experienced
- **Salary:** $100,000.0 - $120,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, JIRA, Build Automation, Automation of Tests, Unit Testing, Cloud Engineering, Databases, Software Debugging, Software Design Patterns, Distributed Data Store, Gradle, IntelliJ IDEA, Spring Framework, JSON, Junit, Message Broker, NoSQL, Oracle (Applications), Performance Tuning, Scrum Methodology, Standard Sql, Data Streaming, Web Services, Hamcrest, Enterprise Software Applications, Spring Cloud, ReactJS, Spring-boot, Git, Spring Data, Data Layers, Event Driven Architecture, Build Management, AngularJS, Cassandra, Apache Kafka, Front End Software Development, Software Version Control, Microservices
- **Published:** June 24, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=a35256974c14d6c1

## About the Role

Do you have experience in Web services design?, * 4+ years of recent experience in Java (11+) development, JSON, and SQL

 * 4+ years of hands-on experience with Spring ecosystem:
 + Spring 4/5, Spring Boot 2+
 + Spring Data, Spring Cloud, Spring Integration
 + Spring REST APIs
 * Extensive experience designing and building modern microservices architecture
 * Strong understanding of middle-tier design patterns and trade-offs

Event-Driven Architecture

 * 2+ years of hands-on experience in event-driven and asynchronous systems
 * Experience with Kafka or similar message brokers
 * Strong understanding of event-driven design patterns (pub-sub, streaming, messaging)

Development & Tools

 * Strong experience with:
 + Git (version control)
 + Gradle / build automation tools
 + IntelliJ IDE (preferred)
 * Strong debugging, performance tuning, and problem-solving skills

Testing & Quality Engineering

 * Strong experience with modern testing frameworks:
 + JUnit5
 + Spring unit and integration testing
 + Isolated layer testing
 + Hamcrest / AssertJ
 * Strong focus on automated testing and quality best practices, * Experience working in Agile environments (Scrum / Kanban)
 * Hands-on experience with tools like Jira
 * Experience in building high transaction volume, high-performance systems

Database & Data Layer (Good to Have):

 * Experience with Oracle
 * Experience with Cloud-native or distributed databases (Spanner not required anymore but equivalent exposure preferred)
 * Exposure to NoSQL databases (Cassandra, etc.)

Frontend (Optional / Good to Have):

 * Experience with Angular / React

Key Attributes:

 * Strong problem-solving and analytical mindset
 * Ability to communicate complex technical ideas clearly
 * Ownership of end-to-end delivery
 * Adaptability in fast-paced environments

## Description

We are looking for experienced Java Engineers who can design and build high-performance, scalable enterprise applications using modern microservices and event-driven architectures. The role focuses on strong backend engineering, system design, and exposure to AI-assisted development environments.


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