Top C# Jobs

The Market Data Engineer will design and implement high-performance market data systems, focusing on trading infrastructure, performance optimization, and system resiliency.

The Staff Software Development Engineer will enhance core systems, collaborate with engineering teams, define software specifications, and mentor junior engineers.

Develop and maintain custom options valuation and risk-management systems. Collaborate with traders, risk managers, and quants to gather requirements, design solutions, implement high-performance code, troubleshoot issues, document models and tests, and improve scalability, accuracy, and performance of pricing systems.

As a C++ Software Engineer, you will optimize performance for latency-critical systems, collaborate with traders and quants, and ensure code correctness in a fast-paced environment.

The role involves building and supporting production-level trading systems in C++ for credit and rates products, collaborating with traders and quantitative researchers.

The Software Engineer will improve performance of C# software components, evaluate new technologies, and communicate effectively across teams.

Lead design and implementation of high-performance GPU-accelerated software using C++ and CUDA. Develop and optimize CUDA kernels for signal and image processing, integrate GPU components with systems, and collaborate with hardware, signal processing, and systems teams. Apply DevSecOps/CI-CD practices, profile/optimize performance, and develop software interfacing with FPGAs, GPUs, and embedded SoCs for defense systems.

The role involves analyzing, designing, and implementing upgrades for the C-17 Flight Management System and avionics systems, including requirement development, testing, and compliance verification.

Design, implement, and maintain real-time data acquisition and processing systems for high-throughput sensor and time-series data. Develop native and web/CLI applications, interfaces to DAQ hardware, streaming APIs, visualization tools, and CI/CD/infrastructure. Provide technical leadership, engage stakeholders, and own features from prototype to production.

Responsibilities include developing scalable server-side features, optimizing performance, and collaborating with teams to enhance online services for games.

Develop scalable server-side features, online services, and collaborate with teams. Requires C#, .NET expertise and experience in distributed systems.

The Principal C++ Engineer leads design and delivery of trading software, focusing on C++ and FIX protocol to create high-performance systems and provide technical guidance. Responsibilities include software development, quality assurance, collaboration with teams, and continuous improvement of trading solutions.

Lead the design and development of robust trading systems using C++, focusing on high-performance and low-latency solutions, while guiding teams and ensuring software quality.

As a Full Stack Engineer, you'll develop online services features using C#, React, and ensure best practices in software development. Collaboration with global teams is key.

Software Engineers at Citadel develop, maintain, and support high-performance trading platforms, focusing on custom software solutions and system stability.

Develop and enhance performance-critical C++ applications for ultra-low latency trading systems, collaborating across teams to analyze and optimize performance.

The role involves designing, developing, and testing C++ applications for trading systems, collaborating with traders, and ensuring application reliability.

The Senior Software Engineer will develop scalable software frameworks, mentor junior engineers, and collaborate on design and feature development for web applications using diverse technologies.

As a Software Engineer, you will design, develop, and deliver high-quality software, contribute to code reviews, monitor application performance, and ensure maintainability and consistency across products.

The Senior Software Engineer will enhance software security measures across Rockstar Games' products, focusing on anti-cheat and anti-tamper technologies. Responsibilities include debugging, performance profiling, and collaborating with cross-functional teams to improve game security.

Software Engineers at Citadel develop software solutions for trading platforms, optimizing performance and functionality, and support trading activities.

Design and develop low latency, high-performance trading systems. Optimize code and solutions for hardware efficiency, ensuring seamless application integration.

The Software Engineer Principal will design, build, and support privileged access management solutions, focusing on CyberArk while mentoring others and improving operational resilience.

As a Software Development Engineer, you will create high-performance Linux software components, ensure system reliability, collaborate with teams, and design security features for containers in cloud environments.

Design, develop, and optimize high-performance trading applications, maintain real-time systems, and analyze complex technical problems. Collaborate with teams and ensure software quality standards.