CareerPlan

Softwareentwickler (m/w/d) C#

Düsseldorf, NORDRHEIN_WESTFALENFull-time2026-10-12 → 2026-11-11

Core

Developing and maintaining internal backoffice applications for securities trading and derivatives, including P&L, portfolio management, and regulatory reporting.

Role type

Senior C#/.NET desktop application developer

Builds

Internal backoffice modules and applications for trading operations

Domain

Financial services / Securities trading

Required skills

C#, .NET, WPF, SQL databases, Multithreading, TAP, Software architecture

Preferred skills

C++, Entity Framework, Financial accounting/banking domain knowledge

Responsibilities

Develop modules and applications for internal backoffice processes; Build user interfaces and application logic; Collaborate with traders to develop solutions for trading workflows; Maintain existing in-house software; Design and architect new and existing applications.

Seniority

Mid-Senior, hands-on IC