Application Programmer III
Reference Number: 416525
Posted: 10/28/2026
Job Type: Contract
- Industry: Technology and IT
Our client, financial technology is seeking a Application Programmer III to join their team. As a Application Programmer III, you will be part of the engineering organization supporting platform and trading systems. The ideal candidate will have strong hands-on experience building and modernizing large-scale distributed eTrading platforms, a deep focus on platform resiliency and observability, and the ability to analyze production incidents to drive strategic architectural improvements.
Job Title:Application Programmer III
Location:Jersey City, NJ
Pay Range: $65-$68/hr
What's the Job?
- Lead technology initiatives to improve platform resiliency, recoverability, and fault tolerance across eCredit and Portfolio Trading platforms.
- Design and implement scalable architectures that support growing trading volumes and throughput demands.
- Drive observability improvements through monitoring, telemetry, alerting, distributed tracing, and operational analytics.
- Develop capacity management and performance engineering strategies to proactively identify and address system bottlenecks.
- Modernize platform architecture using cloud-native, event-driven, and automation-first engineering practices, including enhancements to messaging infrastructure and data distribution platforms.
What's Needed?
- 12+ years of experience designing and delivering large-scale distributed eTrading platforms.
- Strong hands-on expertise in Java and Python development within high-performance, mission-critical environments.
- Experience designing and implementing low-latency and Zero-GC architectures, including JVM performance tuning, memory management, and garbage collection optimization.
- Strong knowledge of data structures, data modeling, memory layouts, concurrency, and computer architecture fundamentals.
- Strong expertise in platform resiliency, observability, performance engineering, and scalability, with experience across microservices, APIs, messaging platforms, and event-driven architectures.
What's in it for me?
- Opportunity to work on mission-critical trading systems where reliability, performance, and operational excellence matter.
- Chance to modernize platform architecture with cloud-native, event-driven, and automation-first engineering practices.
- Direct impact on reducing operational risk by analyzing production incidents and recurring issues.
- Build and apply engineering standards, architecture patterns, and best practices for resilient trading platforms.
- Collaborate with stakeholders to translate technical insights into practical architectural improvements.
Upon completion of waiting period consultants are eligible for:
- Medical and Prescription Drug Plans
- Dental Plan
- Vision Plan
- Health Savings Account
- Health Flexible Spending Account
- Dependent Care Flexible Spending Account
- Supplemental Life Insurance
- Short Term and Long Term Disability Insurance
- Business Travel Insurance
- 401(k), Plus Match
- Weekly Pay
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, Talent Solutions, and Jefferson Wells.
ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells – creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.
CONSULTANT TESTIMONIAL
An Experis consultant
"Communication, instructions, expectations and follow-through were exceptional, throughout the hiring, interviewing and onboarding process. Thank you, Experis!"

