Sr. Java Developer - Stock Loan/Securities Lending

Lead Java Developer We are seeking an experienced Lead Java Developer with strong hands-on technical expertise and specialized Stock Loan/Securities Lending experience. In addition to hands-on development, the Lead Developer will provide technical leadership, solution design guidance, mentoring, and broad technical oversight across the platform. Core Requirements Technical Skills: Strong hands-on Java development experience. Strong understanding of distributed systems, microservices, and event-driven architectures. Experience designing, developing, and supporting REST APIs and GraphQL services. Experience with distributed cache technologies (e.g., Hazelcast) and messaging platforms. Hands-on experience designing, developing, and supporting MQ-based integrations with third-party vendor platforms (e.g., EquiLend Loanet, Global One, and DTCC). Strong understanding of API design, GraphQL schema design, performance optimization, and security best practices. Solid knowledge of front-end technologies, including HTML, CSS, and JavaScript. Experience with Vue.js is a plus. Comfortable participating in all phases of the software development lifecycle, including requirements analysis, solution design, development, testing, deployment, and Level 3 (L3) production support. Experience leveraging AI-assisted development tools such as GitHub Copilot, Microsoft Copilot, Claude, or similar tools. Ability to effectively use AI tools for: Code generation and prototyping Refactoring and modernization Test case generation Documentation creation Debugging and troubleshooting Improving development productivity and code quality Understanding of prompt engineering concepts, context management, and token optimization. Stock Loan Domain Experience: Strong hands-on experience within the Stock Loan/Securities Lending business domain. Proven experience developing and supporting Stock Loan platforms and workflows. Deep understanding of: Borrow and loan processing Recalls and returns Rerates and substitutions Inventory management Collateral and pledge processing Trade matching and settlement Experience with FIX protocol is a plus. Required Third-Party Integration Experience: Candidates should have hands-on experience integrating with and supporting industry-standard Stock Loan platforms, including: EquiLend Loanet Global One DTCC Relevant experience should include: MQ-based messaging integrations Interface development and system integration Trade lifecycle processing Workflow automation Reconciliation and exception management Corporate actions processing L3 production support and operational troubleshooting Collaboration & Communication: The successful candidates will work closely with: Product Owner Development Manager Business Analysts Development and Support teams They should also be comfortable interacting directly with business users, including traders and operations teams, when necessary to clarify requirements, validate solutions, and troubleshoot production issues. Candidate Profile: We are looking for highly motivated, hands-on developers with proven Stock Loan technology experience, strong communication skills, and a collaborative mindset. The ideal candidates should be comfortable working in a fast-paced Front Office environment, partnering across technology and business teams, and taking ownership of delivering high-quality solutions. Euclid