Senior Java Engineer
Westlake, TX
Category: Engineer
Industry: Financial Services
Reference ID: JN -012026-105182
Date Posted: 01/25/2026
Shortcut: http://careers.eliassen.com/yYUOEm
Description:
Hybrid Onsite Every Other Week in Westlake, TX
The organization seeks a backend-focused software engineer to modernize mainframe capabilities and deliver customer-centric digital experiences across web and mobile. You will develop reusable Java applications and APIs, optimize deployment practices on AWS, and participate across the full development lifecycle within an agile, multi-functional team. The role emphasizes maintenance and enhancement of existing services with opportunities to mentor peers and pursue ongoing learning.
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: $68.00 to $78.00/hr. w2
Responsibilities:
Responsibilities
- Design, build, and maintain reusable Java services and applications to support large-scale digital experiences.
- Develop, document, and maintain customer-facing RESTful and SOAP APIs using Spring Boot and related frameworks.
- Modernize mainframe-dependent capabilities by implementing scalable cloud-native solutions on AWS.
- Implement and support AWS services including SQS, SNS, Lambda, Kubernetes, and data services such as PostgreSQL, DynamoDB, RDS, and S3.
- Enable high-quality releases through iterative development, testing, and optimized deployment practices.
- Collaborate with business, operations, and systems partners to enable new capabilities and address regulatory and customer needs.
- Participate across the full software development lifecycle from concept to production deployment.
- Create and maintain technical documentation for services, APIs, and deployment processes.
- Contribute to engineering community practices by sharing knowledge and supporting continuous improvement.
Experience Requirements:
Experience Requirements
- 5+ years of software engineering experience.
- Proficiency with Java 8+ and Spring Boot for REST API development.
- Experience with Python scripting for automation and support tasks.
- Hands-on experience deploying code and operating workloads on AWS.
- Experience designing, building, and documenting customer-facing RESTful and SOAP APIs.
- Practical knowledge of AWS services such as SQS, SNS, Lambda, Kubernetes, PostgreSQL, DynamoDB, RDS, S3, Kinesis/Kafka, and CloudFormation.
- Strong skills in relational and non-relational databases, data modeling, and testing.
- Experience delivering across the full development lifecycle from analysis through production.
- Ability to interpret high-level business requirements and drive clarifying questions.
- Ability to manage time effectively and prioritize workload in a collaborative environment.
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.
Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact InfoSec@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 contactInfoSec@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