Full Stack Java Developer

Apex Systems is a world class services business that incorporates industry insights and experience to deliver solutions that fulfill our clients' digital visions.


Apex has an opportunity for a Full Stack Java Developer to join our fast-paced financial services partner on an exciting initiative!


Role: Full Stack Java Developer

Location: NYC, Hybrid onsite

Term: 8+ Mo.


Role Overview:

Our client is seeking a Full Stack Java Developer to support and modernize a core Java platform that underpins frontoffice trading and capital markets functions. This role is part of a highly technical delivery team focused on uplisting, remediation, and modernization of a mature Java environment within a regulated, highavailability financial services context.

This is a handson engineering role for someone who enjoys working close to the code, understands production systems, and is comfortable navigating the controls, governance, and rigor that come with investment banking technology.


Key Responsibilities

• Design, develop, and enhance Javabased applications supporting frontoffice trading and capital markets workflows
• Contribute to application modernization and uplift initiatives , including refactoring legacy components and improving performance, stability, and scalability
• Collaborate with other engineers, QA, and stakeholders to deliver highquality solutions in a teambased Agile environment
• Support productionoriented development, including troubleshooting, defect resolution, and remediation work
• Ensure solutions align with security, compliance, and regulatory standards common to global financial institutions
• Document technical designs and actively participate in code reviews and knowledge sharing

Required Qualifications

• Strong handson Java development experience (backendleaning full stack)
• Proven ability to work independently while collaborating effectively within a team
• Experience developing in enterprise or regulated environments (financial services strongly preferred)
• Comfortable working on complex, existing codebases rather than greenfield only
• Strong verbal and written communication skills; fluent English required

Preferred / NicetoHave Experience

• Exposure to Fixed Income or Capital Markets technology (trading, risk, market data, posttrade, etc.)
• Experience with common Santanderadjacent stacks such as:
  • Spring / Spring Boot
  • RESTful services and APIbased architectures
  • SQL and relational databases
  • Frontend exposure (e.g., Angular, React, or similar)
  • CI/CD tools (e.g., Jenkins, Gitbased workflows)
  • Cloud exposure (AWS or similar environments)
• Familiarity or curiosity around AIassisted development, automation, or analytics
• Spanish language skills (nice to have, not required)

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth 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 ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at

Everforth Apex Benefits Overview: Everforth 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. Everforth 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, Everforth 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. Everforth 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 Everforth Apex team member can provide.

Everforth 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. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or View phone number on click.appcast.io. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

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