Senior .NET UI and Java/Spring Boot Developer
Reference Number: 411885
Posted: 09/18/2026
Job Type: Contract
- Industry: Technology and IT
Our client, a leading organization in the financial technology sector, is seeking a dedicated and experienced Senior .NET UI and Java/Spring Boot Developer to join their dynamic team. As a Senior Developer, you will be an integral part of the Equities Market Data Technology group, supporting the delivery of innovative market and reference data platforms. The ideal candidate will demonstrate strong technical expertise, excellent communication skills, and a proactive approach to problem-solving, which will align successfully within the organization.
Job Title: Senior .NET UI and Java/Spring Boot Developer
Location: Jersey City, NJ
Pay Range: $60
What's the Job?
- Develop and maintain large-scale enterprise applications utilizing .NET UI, Java, Spring Framework, and Spring Boot.
- Collaborate with cross-functional teams to deliver new features related to market and reference data sources, analytics, and datasets.
- Enhance application stability, resiliency, and performance through re-engineering and support of existing systems.
- Participate in all stages of the software development lifecycle, including requirement gathering, design, testing, deployment, and support.
- Work closely with quants, product development, and infrastructure teams to improve application supportability and scalability.
What's Needed?
- 10+ years of experience developing enterprise applications with Java (Java 8+ to Java 21) and .NET UI.
- Proficiency with Spring Framework, Spring Boot, and RESTful service design.
- Experience with service/repository patterns, dependency injection, and enterprise UI development.
- Strong understanding of multi-threaded application development and UNIX/Linux environments.
- Familiarity with CI/CD pipelines, tools like Maven, Jenkins, Git, Bitbucket, and Agile methodologies.
What's in it for me?
- Opportunity to work on cutting-edge market data technology platforms in a global team environment.
- Engagement in challenging projects that foster professional growth and skill development.
- Collaborative work culture that values innovation, diversity, and inclusion.
- Support for continuous learning and development in a fast-paced industry.
- Participation in a comprehensive benefits package upon completion of the waiting period.
If this is a role that interests you and you'd like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you!
About ManpowerGroup, Parent Company of: Manpower, Experis and Talent Solutions.
Experis® is a global leader in technology services and part of the ManpowerGroup® (NYSE: MAN) family of brands. We connect skilled technology professionals with meaningful opportunities where they can grow their careers, expand their expertise and make a real impact. Guided by the belief that it takes Human Ingenuity to unlock the true potential of technology, Experis helps people gain experience with leading organizations, build sought-after skills and take the next step toward a brighter future. Backed by ManpowerGroup's 75+ years of workforce expertise and global reach across more than 70 countries and territories, Experis brings the scale, insight and opportunity to help people and businesses thrive. ManpowerGroup is consistently recognized for its commitment to inclusion, ethics and responsible business, including being named one of the World's Most Ethical Companies. Learn more at Experis.com.
CONSULTANT TESTIMONIAL
An Experis consultant
"Communication, instructions, expectations and follow-through were exceptional, throughout the hiring, interviewing and onboarding process. Thank you, Experis!"

