Senior Developer - Risk Technology - C#.NET, Python, Snowflake SQL (Vice President)

DescriptionJefferies Financial Group Inc. (‘‘Jefferies,’’ ‘‘we,’’ ‘‘us’’ or ‘‘our’’) is a U.S.-headquartered global full service, integrated investment banking and securities firm. Our largest subsidiary, Jefferies LLC, a U.S. broker-dealer, was founded in the U.S. in 1962 and our first international operating subsidiary, Jefferies International Limited, a U.K. broker-dealer, was established in the U.K. in 1986. Our strategy focuses on continuing to build out our investment banking effort, enhancing our capital markets businesses and further developing our asset management platform. We offer deep sector expertise across a full range of products and services in investment banking, equities, fixed income, asset and wealth management in the Americas, Europe and the Middle East and Asia.Position / Group descriptionThe Risk Technology group builds and supports a global risk platform enabling the Risk Management group to oversee all areas of risk across the Firm. The risk platform provides capabilities for measuring, quantifying, analyzing, reporting, and controlling exposures across market and credit. The Orchestration team are responsible for building and supporting Jefferies cloud based cross asset risk management platform. The system generates risk reports for tens of thousands of cash and derivative trades which the firms risk managers use to assess Jefferies exposure to movements in equity prices, interest rates, FX rates, volatility and other market inputs. The system leverages a combination of external vendor and internally developed analytics libraries to handle curve and vol surface construction and pricing of trades.We are seeking a hands‐on Senior Developer to build and operate a high‐scalable, AWS cloud-based risk platform leveraging a Snowflake database containing trade data, reference data and market data needed to produce the firm's risk. The majority of development is done in Python. The ideal candidate brings deep knowledge of distributed systems and data structures, and can optimize for performance, reliability, and cost.Primary ResponsibilitiesDesign, implement, and support scalable Python based risk engines leveraging position, reference and market data stored in Snowflake databasesOptimize the risk generation process to deliver accurate risk results in the least possible timeOptimize distributed computation using strong data structures and algorithmsReconcile risk results produced by the new Orchestration platform with metrics from legacy internal risk systems to identify and correct trade breaksInvestigate pricing and risk issues reported by risk managementCollaborate with other internal IT teams to ensure a seamless end to end process for delivering risk.Participate in an on-call support rotaEssential Experience/ Skills7+ years of development experience, Python & ideally C# .NET.Experience building and supporting pricing and risk management systems for one or more of the following asset classes (in order of importance) equities, fixed income, credit, FX & commoditiesUnderstanding of cash and derivative products and the risk measures for each i.e. delta, gamma, vega, theta, rho etc. Understanding of the market data required to generate risk i.e. yield curves, volatility surfaces, credit curves, correlation matrices, spot fx etcUnderstanding of VAR, historical PNL vector generation, PNL generation, PNL attribution, custom risk scenarios etc CI/CD, unit testing (pytest), and observability tooling.Strong grasp of distributed computingBachelor’s degree, preferably in Computer Science, Engineering, Mathematics, or similar technical disciplineNice to haveSnowflake SQL expertiseAWS Cloud experience – Including EC2 & S3 experienceAirflow/MWAA or equivalent job scheduler experienceKubernetes, EKS, Lambda or serverless experience in AWS as beneficialMessaging layer experience ZMQ, RabbitMQ, Kafka etc.Personal AttributesTeam player with strong analytical and problem-solving skills, including the ability to troubleshoot and resolve complex pricing issues and risk issuesStrong verbal and written communication skillsSelf-starter and entrepreneurial in approachAbility to escalate and follow-up proactivelyGood time management skillsAttention to detail#LI-JD1Jefferies 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 have made a commitment 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. As a result, we are able 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.Full timePosting Date: 2026-05-08