Jobs at Jefferies

Leads complex M&A and strategic advisory transaction execution, including financial modeling, valuation, due diligence, transaction documentation, and client presentations. Manages transaction workstreams, coordinates stakeholders, supports business development, maintains senior client relationships, and supervises Analysts and Associates. Requires substantial investment banking and M&A experience, strong financial analysis, commercial judgment, communication, project management, and leadership skills.

Provides in-house legal advice to the equities sales and trading business at Jefferies, supporting capital markets activities and related matters. The posting supplies limited role-specific responsibilities or qualifications beyond the senior vice president title and investment banking context.

Lead and coordinate cross-site delivery for front-office equity derivatives technology. Design, implement, unit-test and enhance C#/.NET or Java trading applications, manage release planning, dependencies, RAID, stakeholder communications, and support validation, reconciliations and production issues.

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.

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.

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.

Support the lead analyst covering Integrated Oil & Gas: maintain and develop Excel-based financial models, forecast commodity prices, contribute thematic and stock-specific research, assist client marketing and corporate access, and support Investment Banking and Corporate Broking colleagues.

Hands-on engineering leader responsible for designing, building, and operating cloud-native, event-driven platforms and user interfaces. Lead backend microservices (Java/Spring, Python), real-time data pipelines (Kafka), APIs (REST/OpenAPI/GraphQL/gRPC), and frontend components (Angular/React). Own end-to-end delivery, production support, CI/CD, observability, and mentor engineers while partnering with product and business stakeholders.