Securities Finance Developer (Vice President)

Jefferies Financial Group Inc.; City Of London; On-site; GBP 120,000 - 180,000; Full time

Job summary

Jefferies Financial Group in London is seeking a Securities Finance Developer (Vice President) to build and maintain our global securities finance platform. You will own projects end‑to‑end, work with front and middle office teams, and deliver robust software across on‑prem and AWS environments.

The role requires strong .NET skills, solid SQL experience, and a good understanding of securities lending. You will collaborate with global teams and participate in testing, release management, and

Qualifications

• As a Securities Finance Developer, you will work on core platforms using .NET with on‑premises and AWS cloud.
• Follows SOLID development principles and leverages modern frameworks and libraries.
• Strong SQL knowledge across MS SQL Server and MySQL is expected.
• Understanding of Securities Lending is desirable, with related experience preferred.
• Proficiency with GitHub Copilot or Claude to boost productivity and code quality.

Responsibilities

• Develop core in‑house platforms for front and middle office users across time zones.
• Own projects from inception to completion with clear prioritization.
• Perform unit tests, assist in user testing, and collaborate with support and release teams.
• Deliver robust, scalable, and performant software solutions in a fast-paced environment.

Skills

.NET

SOLID design

SQL (MS SQL Server / MySQL)

Securities Lending knowledge

GitHub Copilot / Claude

RabbitMQ

Bitbucket

Bamboo

Java

Windows development

Tools

AWS

Git

VS/.NET tooling

MS SQL Server

MySQL

Job description

Securities Finance Developer (Vice President)

Location: London, Greater London, GB, EC2V 8

Company: Jefferies Financial Group

Posting Date: 2026-10-19

Application Deadline: 2026-11-17T10:00:29.783

Company Overview

Jefferies, a global investment bank and securities firm, has served companies and their investors for over 60 years. Headquartered in New York City, with offices in more than 25 cities around the world, Jefferies provides clients with capital markets and financial advisory services, institutional brokerage, securities research, and asset management. The firm is a leading provider of trade execution in equity, high yield, convertible, and international securities for institutional investors and high net worth individuals.

Job Description

As part of the Equity Technology team, an opportunity exists for a technically strong developer to join the small Securities Finance team. The role will focus on building and maintaining our Global Securities Finance platform - benefiting front and middle office users in multiple time zones.

Key Responsibilities

• Development of the core in-house platforms, both on-premises and cloud (AWS)
• Owning specific projects or issues from start to finish
• Working with colleagues and management to ensure appropriate prioritization
• Unit testing, assisting with user testing, and working closely with the support and release management team to provide robust and performant solutions

Qualifications / Experience

• Strong .NET skills, with server and ideally client-side experience
• Follows SOLID development principles, with experience of supportive frameworks/libraries
• Strong SQL knowledge, preferably MS SQL Server and/or MySQL
• Understanding of Securities Lending is desirable, preferably with prior experience in this or a related area, e.g., Equity swaps
• Proficiency in leveraging GitHub Copilot or Claude for productivity gains and to improve code quality

Additional Skills

• Able to deliver to tight deadlines
• Ability to work with colleagues around the world
• Excellent communication skills
• Experience in one or more of the following beneficial: Global One, RabbitMQ, BitBucket (Git), Bamboo, Java, Windows development

Jefferies is a leading global, full-service investment banking and capital markets firm that provides advisory, sales and trading, research, and wealth and asset management services. With more than 40 offices around the world, we offer insights and expertise to investors, companies, and governments.

At Jefferies, we believe that diversity fosters creativity, innovation, and thought leadership through the infusion of new ideas and perspectives. We are committed to building a culture that provides opportunities for all employees regardless of our differences and supports a workforce that is reflective of the communities where we work and live. This allows us to pool our collective insights and intelligence to provide fresh and innovative thinking for our clients.

Jefferies is an equal employment opportunity employer, and takes affirmative action to ensure that all qualified applicants will receive consideration for employment without regard to race, creed, color, national origin, ancestry, religion, gender, pregnancy, age, physical or mental disability, marital status, sexual orientation, gender identity or expression, veteran or military status, genetic information, reproductive health decisions, or any other factor protected by applicable law. We are committed to hiring the most qualified applicants and complying with all federal, state, and local equal employment opportunity laws. As part of this commitment, Jefferies will extend reasonable accommodations to individuals with disabilities, as required by applicable law.