Senior Java Software Developer
Westlake, TX
Category: Development
Industry: Financial Services
Reference ID: JN -052026-106926
Date Posted: 06/10/2026
Shortcut: http://careers.eliassen.com/7S5LSa
Description:
Hybrid Every other week onsite/5 days in Westlake, TX
Our client seeks a Senior Java Software Developer to build secure, scalable back-end services using Java, Spring Boot, and Spring Security. The role emphasizes API design and integration through API gateways, distributed architectures, and containerized deployments on AWS. You will contribute to enterprise-grade systems and collaborate across engineering and architecture teams to deliver authentication and authorization capabilities.
Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $85.00 to $55.00/hr. w2
Responsibilities:
- Design and develop secure, scalable back-end services with Java and Spring Boot.
- Implement authentication and authorization using Spring Security and related best practices.
- Design, build, and document RESTful APIs and integrate through API gateways.
- Develop microservices-based architectures leveraging modern distributed patterns.
- Build and operate containerized workloads using Docker and Kubernetes on AWS, including managed services such as EKS.
- Ensure reliability through unit, functional, and integration testing with a focus on test automation.
- Troubleshoot, debug, and resolve complex production and integration issues.
- Collaborate across engineering and architecture teams in an Agile environment.
Experience Requirements:
- 6 to 10 years of hands-on Java development with a record of designing technical solutions.
- Strong back-end expertise with Java, Spring Boot, and Spring Security.
- Experience designing and integrating APIs with API gateways.
- Strong knowledge of authentication and authorization technologies and best practices.
- Experience delivering secure, scalable, highly available systems on AWS.
- Hands-on experience with containers and orchestration including Docker, Kubernetes, and EKS.
- Proficiency with modern distributed architecture patterns and microservices using RESTful APIs.
- Comprehensive understanding of the software development lifecycle, including testing and automation.
- Demonstrated critical thinking and complex problem-solving skills.
- Excellent written and verbal communication with effective cross-team collaboration.
- Experience working in an Agile development environment.
- Familiarity with CockroachDB (preferred).
- Familiarity with Git, Maven, Jenkins, and Jira (preferred).
Education Requirements:
- Bachelor’s degree in Computer Science or a related technical discipline.
- AWS certification (preferred).
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above