Full Stack Software Engineer
Westlake, TX
Category: Engineer
Industry: Financial Services
Reference ID: JN -012026-105132
Date Posted: 01/21/2026
Shortcut: http://careers.eliassen.com/JaQEaM
Description:
Hybrid Onsite Every Other Week in Westlake, TX
The organization seeks a Full Stack Software Engineer to design and build high-performance systems across APIs, event-driven workflows, and data feeds for card technology. You will contribute to live channel servicing, digital experiences, and scalable platforms that support multiple products. The team follows a product mindset, leverages customer and market feedback, and employs strong engineering practices to deliver resilient, critical systems.
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: $53.00 to $63.00/hr. w2
Responsibilities:
Responsibilities
- Design and architect complex, high-scale solutions for processing large volumes of data.
- Develop and maintain API services using modern frameworks and open-source technologies.
- Build rapid prototypes, ship incrementally, and incorporate real-world feedback.
- Apply CI/CD practices including A/B testing, blue-green deployments, and feature toggles to reduce risk and cycle time.
- Mentor and guide team members on technology choices and design, owning issues end-to-end.
- Collaborate with business and technology stakeholders to define and deliver the next-generation ecosystem.
- Evaluate and prototype emerging technologies to assess business value and feasibility.
- Participate in technical discussions and share knowledge across teams.
Experience Requirements:
Experience Requirements
- 8+ years of hands-on software development experience building Java web services and API solutions.
- Proficiency in Java, J2EE, Spring MVC, Spring Core, and JavaScript.
- Experience with microservices architecture, message-oriented middleware, and stream processing.
- Expertise with AWS services such as EKS, S3, SQS, SNS, and Lambda.
- Deep understanding of API design principles including versioning, isolation, and microservices patterns.
- Experience documenting APIs with Swagger or similar frameworks.
- Hands-on experience with DevOps automation and CI/CD tooling such as Maven, Jenkins, Stash, Ansible, and Docker.
- Background developing highly scalable distributed systems using open-source technologies.
- Experience with testing frameworks including JUnit, Mockito, and Cucumber.
- Knowledge of web application development with JSP, HTML, CSS/SASS, jQuery, Angular, and Node.js.
- Knowledge of relational and NoSQL database management systems.
- Ability to support mission-critical, customer-facing platforms and applications.
- Experience leading in agile environments with strong execution skills.
- Strong communication and collaboration skills in global, cross-functional teams.
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