Top C# Jobs in NYC, NY

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

Develop client-side solutions and APIs for Spectacles, maintaining AR software in a constrained environment and collaborating with cross-functional teams.

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

Design, implement, and maintain high-performance, concurrent C++ systems for Aladdin's security analytics and compliance platform. Contribute to batch-processing engines, shared analytical libraries, and portfolio services; apply test-driven development, perform code reviews and profiling, support DevOps/CI pipelines, and collaborate with global teams and product managers to deliver resilient production software.

Develop and maintain systems for systematic investing, focusing on data pipelines, trading tools, and technical monitoring within a collaborative team.

The C++ Quant Developer will work on fixed income electronic trading systems, focusing on software performance, automated quoting, execution, and risk management.

Develop and optimize high-performance trading systems using modern C++. Responsibilities include building low-latency infrastructure, executing trading algorithms, and ensuring robust system reliability.

As a Senior Software Engineer, you will design and develop key components of Stellar Core, enhance blockchain technology, and collaborate with engineering teams.

As a C++ Trading & Simulator Engineer, you will design, develop, and optimize trading systems and analytics platforms while collaborating closely with quantitative researchers. Your focus will be on high-performance systems for algorithmic trading and improving the infrastructure for research and trading.

The role involves developing and enhancing trade and position management infrastructure, building interfaces, and participating in trade processing.

The role involves developing server-side C# applications for trading systems, particularly focusing on risk management and derivatives market data.

The role involves building and enhancing a React application, maintaining backend services in .NET/C#, and ensuring platform stability in a high-visibility trading technology team.

The Senior Software Engineer will design core components of the XRP Ledger, integrate a WASM VM, and lead software development from design to testing in C++ and Rust.

Seeking a senior C/C++ developer with financial experience to design and implement features for a derivative pricing platform. Responsibilities include project management, bug fixing, and communication with product managers.

Seeking a C++ Developer with at least 3 years of experience in software development, strong database skills, and knowledge of data structures and algorithms.

The role involves software development utilizing C/C++, with a focus on data structures, algorithms, and database management. It values communication and analytical skills, as well as experience throughout the software development lifecycle.

The C++ Developer will work on software development, enhance mission-critical software, and manage requirements through the full development lifecycle.

As a Senior Software Engineer at Ripple, you will enhance the XRP Ledger's performance, participate in the software development lifecycle, and engage with the open-source community.

Develop low latency algorithmic trading strategies, enhancing systems for market data and order execution while collaborating with investment professionals.

The role involves enhancing market access systems for low-latency crypto trading, collaborating with traders and systems engineers, and optimizing performance.

Develop backend services and APIs, improve existing solutions, create automated tests, and collaborate with the team while ensuring code quality and documentation.

Contribute to and optimize the performance of ClickHouse, assist with debugging, collaborate with teams, and engage with the open-source community.

Design and implement low-latency C++ trading systems, collaborate with product and desk stakeholders, lead or mentor engineers, ensure secure, tested, and high-performance code, and integrate market connectivity and algorithmic trading capabilities.

Design and deliver high-performance C++ trading software for a low-latency, front-office Delta One platform. Collaborate with product and trading desks, ensure secure, testable code, optimize performance, and lead or mentor team members while managing risk and controls.

Lead design and development of low-latency C++ trading and connectivity software. Provide technical leadership, collaborate with product and trading desks, ensure performance, secure coding, unit testing, and integrate market connectivity and data solutions for a greenfield platform.