Java Dev - NY, NC, NJ

Job#: 3025281

Job Description:

Client: Financial Services

Team: TBA

Job Title: Java Dev

Location: Zone 1 - NY, NJ, Charlotte (onsite 3 days/week)

Contract Length: 12-month contract (high likelihood of extension or FTE conversion)

Pay Rate: $90 - $96
Top Requirements:

5+ years Specialty Software Engineering experience, or equivalent via work, consulting, military, or education.

Strong, hands-on Java development experience (modern versions + frameworks).

Ability to design and implement high-volume, distributed, real-time data processing systems.

Experience with API development, backend architecture, data processing, and system design.

Comfort working with AI-enabled development tools, especially GitHub Copilot (1-2 years expected).

Strong software engineering fundamentals, including data structures and system design.

Plusses:

Automation testing experience (Java test frameworks, Selenium, Cucumber, Python).

High-throughput or low-latency system experience in financial services / trading systems.

Experience with CI/CD pipelines, automated test integration, or QA collaboration.

Background building automated test scripts for APIs, databases, and functional validation.

Performance testing and validation under heavy load.

Experience with SQL, Oracle, Jenkins, JIRA, Cypress/Playwright.

Job Summary:

This contingent Specialty Software Engineer role supports the development of a next-generation, high-volume trade processing platform capable of handling millions of financial transactions with speed, accuracy, and resiliency.

The engineer will design and develop Java-based components, leverage AI-enabled development tools, collaborate with architecture and engineering partners, and contribute to building a scalable, resilient system for real-time trade processing.

Ideal for engineers who think at enterprise scale, enjoy system-level design, and embrace AI-assisted engineering tools.
Day-to-Day Responsibilities:

• Design, build, and enhance Java components for large-scale, high-throughput trade processing systems.
• Process millions of inbound transactions, ensuring reliability, latency, and performance standards.
• Leverage GitHub Copilot and similar AI tools to accelerate development workflows.
• Partner with architects, product owners, and fellow engineers to design scalable, resilient backend systems.
• Write clean, maintainable Java code and modern API services.
• Participate in technical design sessions, code reviews, and continuous improvement initiatives.
• Collaborate with automation engineers to ensure strong test coverage and performance quality.
• Participate in performance tuning, data processing improvements, and issue resolution.
• Contribute to ongoing modernization efforts of trading systems and frameworks.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.