Senior Java Developer
Lake Mary, FL
Category: Development
Industry: Financial Services
Reference ID: JN -082026-108160
Date Posted: 08/03/2026
Shortcut: http://careers.eliassen.com/RmtBiA
Description:
On-site in Lake Mary, FL
Our client is seeking a Senior Java Developer to design, build, and enhance enterprise applications that support high-volume, low-latency, real-time processing. The role contributes to distributed systems architecture, microservices, and modern engineering practices across the SDLC while ensuring scalability, resiliency, performance, and maintainability.
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: $48.00 to $58.00/hr. w2
JN -082026-108160
Responsibilities:
- Design, develop, test, deploy, and support enterprise-grade applications for high-volume transaction processing and critical business functions.
- Write clean, efficient, maintainable, and well-documented code using Java 17+ and modern frameworks.
- Develop scalable distributed systems, microservices, and RESTful APIs.
- Translate business and technical requirements into effective software solutions.
- Design components, workflows, and integrations with emphasis on scalability, resiliency, performance, and maintainability.
- Troubleshoot, debug, enhance, and upgrade applications and services.
- Participate across all SDLC phases including requirements, architecture, design, coding, testing, deployment, and production support.
- Contribute to architecture decisions and design discussions.
- Produce flowcharts, technical documentation, design specifications, BRDs, and SRDs.
- Ensure adherence to security, privacy, governance, and compliance standards.
- Promote software reuse and leverage shared platforms and services.
- Support cross-platform interoperability and enterprise integration.
- Design and develop REST APIs and integration services.
- Create and optimize SQL, stored procedures, and transactions for Oracle and other RDBMS.
- Utilize PySpark, Snowflake, and large-scale data platforms when required.
- Support real-time and low-latency processing environments.
- Develop verification plans and QA procedures.
- Implement automated testing with JUnit, Cucumber, or similar tools.
- Conduct code reviews and participate in peer reviews.
- Review test plans, data, and results for quality and reliability.
- Support deployments following change control processes.
- Participate in production support, root cause analysis, incident resolution, and performance tuning.
- Monitor application health, observability, and operations.
- Address technical debt and implement enhancements.
- Recommend continuous improvement and engineering best practices.
- Leverage AI-enabled development tools to improve efficiency and quality.
- Collaborate with architects, developers, product teams, data engineers, project managers, and stakeholders.
- Mentor junior engineers and support team development.
- Share knowledge and contribute to technical communities and continuous learning.
- Promote teamwork, accountability, and shared ownership.
Experience Requirements:
- Bachelor's degree in Computer Science, Engineering, Information Technology, or related field, or equivalent experience.
- 5+ years of software development in enterprise environments.
- Hands-on Java 17+ and modern Java development practices.
- Enterprise applications, distributed systems, and microservices architectures.
- Spring Framework, Spring Boot, and REST API development.
- SQL, stored procedures, transaction management, and Oracle or other relational databases.
- Experience with PySpark, Snowflake, or similar large-scale data technologies.
- Software architecture, scalability, resiliency, observability, and performance optimization.
- Automated testing frameworks such as JUnit and Cucumber.
- Knowledge of front-end and back-end development concepts.
- Experience across the full SDLC including production support.
- Strong problem-solving, communication, and organizational skills.
- Preferred: Kafka or MQ platforms.
- Preferred: Docker, Kubernetes, containerization, and cloud-native development.
- Preferred: AWS, Azure, or GCP.
- Preferred: NoSQL databases.
- Preferred: Linux scripting and automation.
- Preferred: Support for highly available production applications.
- Preferred: AI-assisted development tools such as Windsurf, OpenSpec, or GitHub Copilot.
- Preferred: Financial services or securities industry experience.
Education Requirements:
- Bachelor's degree in Computer Science, Engineering, Information Technology, or related field, or equivalent experience.
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