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Java Software Engineer III

Location: Las Vegas, NV, United States
Date Posted:

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Position Summary

The JBSE is frequently called upon to contribute to project plans and technical architecture design. When assigned to projects, the JBSE fully understands project scope, objectives and timelines and helps explain them to business staff and systems engineering staff. Development work involves technical analysis, systems design, software development, system integration, system design presentations, and production issues escalations. Maintenance work involves technical problem resolution and system documentation maintenance. The JBSE acts as an individual contributor on an elevated level, a technical expert, and a business systems provider. The JBSE can mentors less experienced personnel. The JBSE contributes to the development of new principles and concepts in a specific discipline and will develop solutions to complex problems.

 In addition to the responsibilities of a Business Systems Engineer, the JBSE will aid in Project Sizing, Development Code Reviews, Code Migration, Systems SLAs, metric and monitoring, and Maintenance Window Planning. These additional responsibilities require an exceptional knowledge of the Credit One Bank Systems, a complete understanding of Enterprise Application Development Best Practices and the Credit One Bank Coding Standards, exemplary adherence to Credit One Bank Policies and Procedures and proven time-management skills. Overtime required on an as needed basis.


Essential Job Functions:

  • Strong proficiency in Java, with expertise in Spring Boot, Spring Cloud, Java EE, and Spring Web Flux for developing scalable and robust enterprise applications with a focus on reactive programming.
  • Proficiency in database design and management using SQL, Oracle, and MySQL or Postgres.
  • Front-end development expertise with technologies like HTML, CSS, JavaScript, and experience in React or similar frameworks.
  • Agile development methodologies and experience in Agile projects.
  • Design and implementation of SOAP and RESTful APIs.
  • Hands-on experience with API management tools like APIGEE.
  • Knowledge of streaming technologies, such as Kafka or RabbitMQ, for real-time data processing.
  • Cloud platform knowledge, including AWS, Azure, or Google Cloud.
  • Design and development of distributed systems.
  • Familiarity with version control systems, especially Git and GitLab.
  • Configuration of CI/CD pipelines using tools like GitLab CI.
  • Expertise in at least one cache mechanism: Redis, Memcached, or Hazel cast.
  • Experience with containerization using Docker.
  • Knowledge of container orchestration and management platforms, including Kubernetes.
  • Proficiency in using preferred IDEs, such as IntelliJ IDEA, Eclipse, or Visual Studio Code.
  • Experience with application servers such as Tomcat for deploying Java applications.
  • Familiarity with project management and collaboration tools, such as Jira.
  • Understanding of system design and architecture principles with a focus on scalability and efficiency.


Position Requirements:

  • Familiarity with microservices architecture is a plus.
  • Proven ability to troubleshoot technical issues efficiently and provide timely solutions.
  • Track record of providing support and maintenance for complex business systems.
  • Demonstrated ability to lead and participate in code reviews, ensuring code quality and adherence to coding standards.
  • Implementation of unit tests and ensuring code reliability through testing frameworks.
  • Excellent communication and collaboration skills, with a proven ability to work effectively in cross-functional teams.



  • Bachelor’s degree in computer science, Engineering, or a related field.
  • Minimum of 8 years of professional experience as a Java based programming.


Credit One Bank, N.A. is a data-driven financial services company based in Las Vegas. Founded in 1984, Credit One Bank offers a spectrum of credit card products for people in all stages of financial life. Credit One Bank is an equal opportunity employer committed to diversity and inclusion and does not discriminate against any employee or applicant for employment because of age, race, religion, color, disability, sex, sexual orientation, or national origin. Reasonable accommodations can be made for those who require them, including access to job applications and workplace accommodations. Employment at Credit One Bank is based on mutual consent (also known as at-will). This means that employees and the Bank may terminate the employment relationship at any time, with or without cause and with or without notice. Please contact the recruiter for this position to learn more. Credit One Bank does not accept unsolicited resumes from agencies and is not responsible for related fees.