Job Description:Technology - Full-Stack Development IVLocation: New York, New York (Onsite)Role OverviewWe are seeking a senior, hands-on Full-Stack Developer to join a core engineering team. This role involves designing, developing, and implementing applications to support front-office and operations groups. The position will play a key part in modernizing the existing platform, driving migration to a scalable, cloud-based microservice architecture, and integrating AI into development practices to enhance scalability and reduce latency.Key Responsibilities * Design and develop core back-end components in Java, utilizing Spring Boot. * Build and design messaging channels interfacing with other venues and exchanges using industry-standard protocols. * Deploy applications in a cloud environment, which may include Azure, AWS, or GCP. * Operate mission-critical systems and deliver day-to-day enhancements across front-office and operations. * Consolidate existing Order Management Systems (OMS) into a new platform. * Provide second-level production support and troubleshoot issues. * Collaborate with various stakeholders and deliver enhancements within a platform operating model. * Mentor junior developers.Required QualificationsEducation: A bachelors degree in computer science or a related discipline is required, or equivalent work experience.Experience: 10+ years of experience in software development is required.Technical Skills: * Strong proficiency with Java and Spring Boot. * Experience with messaging systems such as Kafka or MQ. * Proficiency with databases and SQL. * Experience with cloud deployment and DevOps practices. * Familiarity with Git, as well as Windows and Linux environments. * Regular integration of AI coding-assist tools (e.g., GitHub Copilot, Claude Code) into the development workflow is highly preferred.Preferred Qualifications * An advanced degree is preferred. * Experience with in-memory cache technologies such as Hazelcast or GemFire. * Previous experience in the securities or financial services industry. * Familiarity with Angular and Python is a plus. * Strong communication and organization skills. 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 https://www.apexsystems.com/privacy-policyEverforth 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 host