Demo

Senior FS Java API AWS

Kforce Technology Staffing
Jersey, NJ Contractor
POSTED ON 10/20/2026
AVAILABLE BEFORE 11/19/2026
RESPONSIBILITIES:
Kforce has a client that is seeking a Senior FS Java API AWS in Jersey City, NJ.

Duties Include:
* Design and implement asynchronous processing frameworks and resilient messaging services
* Collaborate with internal and external teams to deliver robust, end-to-end trading workflows
* Lead performance tuning and optimization efforts across the platform
* Mentor junior engineers and promote engineering best practices
* Support production and non-production environments, including participation in a weekly on-call rotation

REQUIREMENTS:
* Bachelor's degree in Computer Science, Engineering, Information Technology, or equivalent
* 10 years of hands-on software design and development experience
* Expertise in Java, Python, and Linux
* Deep experience with low latency messaging systems (e.g., 29West, Kafka)
* Proficiency in KDB or other time-series databases
* Strong background in building scalable, distributed, asynchronous, and event-driven applications
* Advanced knowledge of low latency design patterns and performance optimization techniques
* Experience with Capital Markets or Brokerage systems, especially order management
* Solid understanding of the FIX protocol and FIX engines
* Worked with AI developer assist tools (e.g. GitHub Copilot)
* Experience with CI/CD tools such as GitHub, Maven, Jenkins, Artifactory, and uDeploy
* Hands-on experience deploying applications to AWS or other cloud platforms

The pay range is the lowest to highest compensation we reasonably in good faith believe we would pay at posting for this role. We may ultimately pay more or less than this range. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. This range may be modified in the future.

We offer comprehensive benefits including medical/dental/vision insurance, HSA, FSA, 401(k), and life, disability & ADD insurance to eligible employees. Salaried personnel receive paid time off. Hourly employees are not eligible for paid time off unless required by law. Hourly employees on a Service Contract Act project are eligible for paid sick leave.

Note: Pay is not considered compensation until it is earned, vested and determinable. The amount and availability of any compensation remains in Kforce's sole discretion unless and until paid and may be modified in its discretion consistent with the law.

This job is not eligible for bonuses, incentives or commissions.

Kforce 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.

By clicking ?Apply Today? you agree to receive calls, AI-generated calls, text messages or emails from Kforce and its affiliates, and service providers. Note that if you choose to communicate with Kforce via text messaging the frequency may vary, and message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You will always have the right to cease communicating via text by using key words such as STOP.

Salary : $71 - $81

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