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.NET UI and Java/Spring Boot Developer

Genesis10
Jersey, NJ Full Time
POSTED ON 9/19/2026
AVAILABLE BEFORE 10/19/2026
Genesis10 is currently seeking a .NET UI and Java/Spring Boot Developer for a contract position with a Global Financial Institution located in Jersey City, NJ. This is a 12 month contract opportunity.

This position is with the equities market data technology team, focusing on the development of large-scale enterprise applications. The role involves building and maintaining market and reference data platforms, including capture, distribution, analytics, and workflow solutions, as part of a global team. The successful candidate will be a self-motivated, quick learner, capable of taking ownership of critical deliverables through all stages of the project lifecycle.

Responsibilities:
  • Work on the delivery of new features including market and reference data sources, analytics, new datasets, service enhancements, and UI improvements
  • Focus on building and maintaining market and reference data capture, distribution, analytics, and workflow solutions
  • Improve application availability and resiliency
  • Re-engineer and maintain stability of existing applications
  • Communicate with quants, product development, business users, and developers from other teams
  • Work closely with production management and infrastructure teams to improve application stability, supportability, and performance

Requirements:
  • 10 years of experience developing large-scale enterprise applications
  • Strong Java development experience, preferably across Java 8 through modern versions up to Java 21
  • Strong experience with Spring Framework and Spring Boot
  • Strong .NET UI development experience
  • Experience building applications using service/repository patterns and dependency injection
  • Experience designing and implementing DTO-based REST/service layers
  • Experience exposing endpoints using Spring MVC
  • Good understanding of multi-threaded application development
  • Experience with Maven, Jenkins, and CI/CD pipelines
  • Knowledge of UNIX/Linux environments
  • Strong analytical and problem-solving skills
  • Ability to multi-task and work under pressure
  • Strong communication skills
  • Experience with enterprise UI development and service integration
  • Knowledge of modern SDLC practices and tools including Git, Bitbucket, Jenkins, Agile, code reviews, and CI/CD
  • Investment banking IT experience
  • Experience working with production management and infrastructure teams
  • Experience improving application resiliency, scalability, and supportability

Pay range: $61.60 - $69.60 per hour

Only candidates available and ready to work directly as Genesis10 employees will be considered for this position.

If you have the described qualifications and are interested in this exciting opportunity, please apply!

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.

For contract roles, Genesis10 offers the benefits listed below. If this is a perm-placement opportunity, our recruiter can talk you through the unique benefits offered for that particular client. Benefits of Working with Genesis10:
  • Access to hundreds of clients, most who have been working with Genesis10 for 5-20 years.
  • The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years.
  • Access to an experienced, caring recruiting team (more than 7 years of experience, on average.)
  • Behavioral Health Platform
  • Medical, Dental, Vision
  • Health Savings Account
  • Voluntary Hospital Indemnity (Critical Illness & Accident)
  • Voluntary Term Life Insurance
  • 401K
  • Sick Pay (for applicable states/municipalities)
  • Commuter Benefits (Dallas, NYC, SF, and Illinois)

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.

Genesis10 is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Salary : $62 - $70

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