Jobs at Jefferies

Manages global bank, custodial, clearing house, and financial market infrastructure relationships. Responsibilities include fee and service reporting, bank account documentation, RFPs, SLA monitoring, corporate resolutions, credit documentation, network management projects, and preparation for bank meetings. The role collaborates with Treasury, Operations, Legal, Audit, Compliance, and business teams across global regions, requiring strong banking knowledge, analytical skills, controls awareness, and proficiency with Excel, PowerPoint, banking platforms, and SWIFT.

Develop and support a global equities data and analytics platform handling real-time and historical market data. Build EMEA-specific functionality, implement APIs, create analytics solutions, and support trading desks and quants. Responsibilities include coding, testing, documentation, platform management, collaboration with global development and production support teams, and maintaining efficient, high-quality software. The role requires strong KDB+/Q and financial data expertise, Python development, Unix/Linux experience, and excellent communication skills.

Supports and develops a global equities data and analytics platform handling real-time and historical market data. Responsibilities include managing EMEA market data, supporting trading desks and quants, implementing APIs and library-grade software, coding, testing, documentation, and collaborating with development, QA, and production support teams. The role uses KDB/Q, Python, cloud technologies, and related data formats while contributing to low-latency, large-scale financial systems.

Lead the London/EMEA regional technology team supporting a global equities data and analytics platform. Manage real-time and historical market data, develop analytics and API-based software, support trading desks and quants, collaborate with global engineering and production teams, and ensure robust, efficient coding and documentation. The role requires hands-on expertise in KDB+/Q, Python, financial datasets, Unix/Linux, cloud technologies, and capital markets workflows.

Build, test, deploy, and support Power Platform applications, workflows, analytics solutions, Dataverse applications, and Copilot Studio agents. Translate business requirements into secure, maintainable solutions; integrate Microsoft 365 and enterprise services; support UAT, releases, monitoring, troubleshooting, and incident resolution. Maintain governance documentation, follow data-protection and change controls, and assist users and citizen developers through demonstrations, training, and office hours.

Develop and architect scalable, high-performance equity trading applications for a global front-office technology platform. Responsibilities include designing on-premises and cloud-based systems, gathering requirements with trading teams, developing and supporting solutions, migrating applications to microservices, implementing resilient low-latency messaging, and collaborating with regional and global stakeholders in a high-intensity trading environment.

Support UK-listed corporate clients by delivering strategic advice on market positioning, shareholder engagement, and corporate strategy; assist in M&A, restructurings, and equity capital markets transactions; prepare financial models, valuations, investor materials, and shareholder analyses; contribute to business development and sector coverage.

Develop and maintain the global Securities Finance platform (on-prem and AWS). Own projects end-to-end, write unit tests, assist with user testing, and work with support/release teams to deliver robust, high-performance solutions for front and middle office users.

Join Jefferies London M&A team supporting Greek-focused buy- and sell-side deals. Build financial models (DCF, comps, LBO), prepare pitchbooks and IMs, perform company/market research, assist due diligence, and coordinate stakeholders across cross-border transactions. Native Greek and strong English required.

Join Jefferies London Industrials team to execute M&A, equity and debt transactions. Build and review complex financial models (DCF, LBO, trading/transaction comps, merger models), coordinate due diligence and documentation, prepare marketing and board materials, liaise with advisors, mentor analysts, and support client pitches and sector research for industrial clients across EMEA.

Develop and optimize algorithmic trading software in modern C++ with strong focus on performance, memory management, and multi-threading. Prototype and analyze data using Python/Perl/Shell and SQL, apply ML frameworks, and collaborate globally. Recommend optimizations, use performance tools, and support low-latency trading systems.