• Design, build, and maintain robust backend services and APIs • Develop and evolve backend integrations • Build and maintain scalable event-driven backend systems • Independently design microservices • Develop and operate backend services on AWS • Own backend systems in production • Contribute to the ongoing evolution of backend services • Design and work with SQL-based data models • Write clean, maintainable, and well-documented backend code • Take initiative and drive backend problems through to solutions

• Take part in all development aspects from design through production of a dynamic hybrid/cloud native product • Write high quality, testable and efficient code in Go and Typescript • Initiate and promote new ideas for continuous improvement of the product functionality • Work closely with other team members and mentor new team members

Title: Senior Java Software Developer Location: TX-Westlake Type: Contract Category: Development Industry: Financial Services Reference ID: JN -052026-106926 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). 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 (noreply@eliassen.com, 781-808-2924) 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 fraud@eliassen.com. 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! 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.

• Develop and maintain RESTful APIs in C# and .NET • Ensure quality by applying SOLID principles and Clean Code practices to all deliverables • Implement data persistence using Entity Framework Core and Dapper • Create and integrate middleware, services, and dependency injection • Work with object-oriented programming and modular architecture • Write unit tests to ensure application stability • Use Docker for containerization and running applications • Use relational databases (SQL Server, T-SQL) and NoSQL databases • Perform version control and collaborate on code using Git • Actively contribute to technical growth and the team's continuous improvement