Senior Java Developer
Lake Mary, FL
Category: Development
Industry: Financial Services
Standard Hours: Open
Reference ID: JN -112026-109329
Date Posted: 11/03/2026
Shortcut: http://careers.eliassen.com/PffcCR
Description:
Hybrid 4 days on site 8-5 in Lake Mary, FL
Our client seeks a Senior Java Lead Developer to design, develop, and support scalable, low-latency, real-time enterprise applications. The role contributes to architecture and engineering of distributed systems and requires strong hands-on Java expertise, enterprise application experience, and a focus on performance at scale.
We can facilitate w2 and corp-to-corp consultants. 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 $70.00/hr. w2
Responsibilities:
- Design, develop, and maintain enterprise-grade applications for critical business functions and high-volume transaction processing.
- Build scalable, distributed applications using Java 17+, Spring Framework, Spring Boot, and microservices architecture.
- Contribute to application architecture and technical design with focus on scalability, resiliency, performance, and maintainability.
- Create, test, and maintain RESTful APIs and inter-process communication services for enterprise integrations.
- Design and optimize SQL queries, stored procedures, and transaction management using Oracle or similar RDBMS.
- Develop and support low-latency, real-time processing with strong observability, monitoring, and performance optimization.
- Implement automated testing with JUnit, Cucumber, or similar frameworks.
- Participate in troubleshooting, root cause analysis, performance tuning, and production support.
- Collaborate with architects, developers, product teams, and stakeholders to align technology solutions with business objectives.
- Leverage emerging technologies, AI-enabled tools, and engineering best practices for continuous improvement.
Experience Requirements:
- 8+ years of software development in enterprise environments.
- Strong hands-on experience with Java 17+ and modern frameworks.
- Experience with PySpark, Snowflake, or other large-scale data processing technologies.
- Background in distributed systems, enterprise applications, and microservices.
- Proficiency with Spring Framework, Spring Boot, and REST API development.
- Experience with SQL, stored procedures, transaction management, and relational databases such as Oracle.
- Understanding of scalable design, observability, monitoring, and real-time processing.
- Automated testing experience with JUnit, Cucumber, or similar.
- Strong communication skills for explaining technical concepts and decisions.
- Experience across the full SDLC including design, development, testing, deployment, and support.
- Preferred: Kafka or MQ; cloud platforms such as AWS, Azure, or GCP; Kubernetes, Docker, and containerization; Linux scripting and automation; familiarity with NoSQL; production support and stability practices; AI-enabled development tools such as Windsurf or OpenSpec; financial services industry experience.
Education Requirements:
- Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related discipline.
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