Senior Full Stack Engineer

Senior Full Stack Engineer

Westlake, TX

Type: Contract

Category: Development

Industry: Financial Services

Reference ID: JN -052026-106988

Date Posted: 06/16/2026

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Description:

Hybrid Every other week onsite/5 days in Westlake, TX

We are seeking a Senior Full Stack Engineer to help build next-generation digital platforms that empower customers to achieve their philanthropic goals. This role is ideal for a collaborative, analytical engineer who is passionate about delivering high-quality, scalable applications in a modern cloud-first environment. You'll play a key role in designing and developing robust, resilient, and secure end-to-end solutions while working closely with cross-functional teams across architecture, UX, and platform engineering. As part of our client's technology organization, you will contribute to donor-advised fund platforms and related 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: $60.00 to $75.00/hr. w2

Responsibilities:

• Design, develop, and deliver full stack customer-facing applications with a 70/30 focus on Java services to Angular UI.

• Build and maintain RESTful APIs and microservices using Java 11+ and Spring Boot.

• Develop responsive front-end features using Angular 11+, TypeScript, HTML, and CSS.

• Implement cloud-first solutions on AWS leveraging serverless, containers, and native services.

• Employ DevSecOps practices with tools such as Jenkins, SonarQube, GitHub, Mend.io, and Datadog.

• Apply TDD and automation using tools such as JUnit, Mockito, Jasmine, and Mocha.

• Use secure coding standards and patterns including MVC, micro front-end, and microservice architectures.

• Collaborate with architecture, security, UX, and platform squads to define standards and deliver compliant solutions.

• Contribute to Kafka-based event streaming and integrate with Oracle-backed data services where applicable.

• Mentor engineers, share knowledge, and promote engineering best practices.

Experience Requirements:

• 9+ years designing and implementing end-to-end full stack applications.

• Expertise with Java 11+, Spring Boot, RESTful API design, and open-source frameworks.

• Professional experience with Angular 11+, TypeScript, JavaScript, HTML, and CSS.

• Hands-on cloud experience with AWS and containerization with Docker and Kubernetes.

• Experience with DevSecOps tooling such as Jenkins, SonarQube, Mend.io, Datadog, and Git/GitHub workflows.

• Background with design patterns including MVC, micro front-ends, and microservices.

• Knowledge of serverless architectures and secure application development.

• Practice with TDD and testing frameworks such as JUnit, Mockito, Jasmine, and Mocha.

• Experience with Kafka and Oracle databases.

• Agile and Scrum delivery experience with effective communication and collaboration skills.

Education Requirements:

Bachelor's degree in Computer Science or related field, or equivalent experience.

Recruitment Transparency Notice

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening and hiring process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team ( View email address on click.appcast.io , View phone number on click.appcast.io) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group's use of these tools, including AI tools, as part of the application and hiring process.

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 View email address on click.appcast.io .

About Eliassen Group:

Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients' capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve.

Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Affirmative Action Employer and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws.

Don't miss out on our referral program! If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check!