Senior Java Developer / Technical LeadJefferies is seeking a highly skilled Senior Java Developer / Technical Lead to join our Securities Finance Technology team. This role is ideal for a hands-on technologist with deep expertise in modern Java, Spring Framework, and AWS cloud services, combined with strong leadership capabilities and experience in Securities Finance or Prime Services.You will lead a team of developers, collaborate with global stakeholders, and help design and build scalable, resilient, and high-performance systems supporting front-to-back securities finance workflows.Key ResponsibilitiesLead the design, development, and delivery of high-quality technology solutions for Securities Finance.Drive architecture discussions and contribute to technical strategy using modern Java and Spring technologies.Build cloud-native microservices and distributed systems leveraging AWS.Collaborate with business users, product managers, and technology teams across global offices.Mentor and guide junior developers; ensure best practices in coding, testing, and DevOps.Own end-to-end delivery—from requirements gathering through deployment and support.Work closely with global teams across the US, EMEA, and APAC in a fast-paced environment.Ensure system reliability, scalability, and performance for mission-critical trading platforms.Required Qualifications10+ years of hands-on Java development experience, including recent work with:Java 11+ (preferably Java 17 or later)Spring Boot, Spring Cloud, RedisStrong working experience in AWS (EC2, Lambda, S3, ECS/EKS).Proven experience leading development teams or acting as a technical lead.Solid understanding of securities finance, securities lending/borrowing, or prime services.Strong communication skills—able to interact with business and technology partners.Experience working with distributed global teams.Strong understanding of modern development practices: CI/CD, Git, automated testing, microservices, containers, messaging systems (Kafka, MQ), and relational/non-relational databases.Primary Location Full Time Salary Range of $175,000 - $220,000.