Demo

C# Developer

Jefferies
York, NY Full Time
POSTED ON 5/26/2026
AVAILABLE BEFORE 7/8/2026
Job Description

Team

You will work as part of the Leucadia Asset Management (LAM) Technology team for Jefferies. The team provides solutions and support for the asset management business specific to the portfolio management platform and related systems in that environment.

Role

Support the Geneva platform and related environment. This will involve integrating with the Geneva system for inputs, outputs, reporting and downstream applications. You will work as part of a team supporting the application and closely with business users on new requests and requirements.

Key Responsibilities

The key responsibilities are:

  • Work on one or more projects of moderate to advanced complexity
  • Assist with the development of new modules within the existing framework of Windows applications
  • Effectively document and communicate assigned work and progress
  • Tests programs to ensure quality and expected results prior to deployment in production environment
  • Resolve production Issues on a timely fashion

Qualifications

Required:

  • 3 - 5 years of development experience using C# & .NET framework 3.5 / 4.0 as full stack developer.
  • Experience building C# Console and windows applications for data processing.
  • Experience in Microsoft SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC)
  • Familiarity or working experience of Web API, REST & SOAP web services.
  • Knowledge of Unix/Linux and shell scripting.
  • Proficient understanding of database (MSSQL), including T-SQL, Stored Procedures, etc.
  • Knowledge of Hedge Funds and Investment Banking preferably Buy Side.
  • Self-motivated with the ability to work independently and with team
  • Strong skills in problem solving and debugging
  • Excellent understanding of general programming concept
  • Have experience with Object-Oriented Design (OOD) in .NET development.

Nice To Have

  • Basic understanding of trade flow processes and security master setup/configuration across various asset classes: ie; listed equities/ equity swaps / FX / CDS and IRS / Bank Debt / bonds and ABS.
  • Experience with Geneva
    • Geneva Accelerators and REST APIs
    • Geneva RSL, SQL reporting and shell scripts
    • Geneva Data Loader and xml formats
Primary Location Full Time Salary Range of $100,000 - $150,000.

About Us

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 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. As a result, we are able to pool our collective insights and intelligence to provide fresh and innovative thinking for our clients.

Jefferies is committed to creating and sustaining a workforce that welcomes individuals from all backgrounds to apply. Our employment decisions are made without regard to race, creed, color, national origin, ancestry, religion, pregnancy, age, medical condition, physical or mental disability, marital status, domestic partner status, sex, sexual orientation, gender, 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 accommodation to individuals with disabilities, as required by applicable law.

The salary offered will take into consideration an individual’s experience level and qualifications. In addition to salary, Jefferies Financial Group is proud to offer a comprehensive benefits package to eligible, full-time employees or part-time employees, who are scheduled to work at least 30 hours or more per week, including an annual discretionary incentive and retention bonus, competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Jefferies also offers paid time off packages that include planned time off (e.g., vacation), unplanned time off (e.g., sick leave), and paid holidays, and for full-time employees, paid parental leave.

Salary : $100,000 - $150,000

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