Top Senior C# Jobs in NYC, NY

The role involves designing and implementing high-performance APIs for a mortgage analytics quantitative library, enhancing system performance, and collaborating with various teams.

Design, build, and operate scalable .NET/C# applications and integrations for Private Wealth. Own end-to-end delivery, write well-tested code, optimize data and queries, troubleshoot production issues, mentor junior developers, and drive platform modernization and CI/CD improvements.

The Senior Software Engineer will design and develop applications for commodity trading systems, mentor juniors, and collaborate in an agile environment.

You will develop and maintain components of the LLVM based toolchain, collaborating with the community while ensuring platform-specific optimizations and tests.

Design, implement, and deliver production C++ software for execution, connectivity, and platform systems. Partner with stakeholders and safety committee, triage and resolve issues, and collaborate cross-functionally to ensure robust, low-latency, multi-threaded distributed systems operate reliably.

The Senior Software Engineer will develop and maintain client-side applications, improve installation workflows, and ensure enterprise deployment support for cybersecurity products.

Design and build performance-critical components in C++. Require expertise in multithreaded systems, CI/CD pipelines, and GTK integration, as well as Python scripting.

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

Develop user interface components for ArcGIS Pro using C# and WPF, work in an agile team, and design software solutions for raster and imagery processing.

Develop and maintain the C# SDK for Supabase, ensuring a seamless experience for .NET developers, while engaging with the community and collaborating across teams.

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.

Seeking a Senior Software Developer for developing high-performance distributed systems for media workflows, including video transcoding and content delivery.

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.

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.

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

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.

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.

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.

The Staff C++ Software Engineer will lead the design and development of a C++ SDK for ultrasound devices, collaborating across teams to ensure performance, usability, and maintainability.

Design and implement high-performance system software for medical devices, collaborating with hardware engineers and ensuring adherence to clinical standards.

Design and develop scalable services/APIs using C#/.NET/.NET Core, collaborate during SDLC, mentor junior engineers, and ensure code quality.

Develop and optimize automated trading infrastructure, collaborate with Traders and Quants on trading algorithms, create scalable multi-tiered applications.

Lead a team to develop SaaS solutions while coding and mentoring engineers. Responsible for technical leadership and team management.