Top Senior C# Jobs

Seeking a C++ Developer with 5+ years of experience in a data-focused environment, strong SQL skills, and full software development lifecycle experience.

Seeking a Senior C++ Developer for Notification and Messaging Projects involving scalability, server development, REST APIs, and distributed systems.

The C++ Developer will design and develop applications, focusing on compute-intensive analytics and software architecture. Responsibilities include end-to-end software development and implementing best coding practices.

The C# ETL Azure Developer will work in agile environments to develop high-performance C# libraries for Azure Data Factory, ensuring strong standards, scalability, and troubleshooting capabilities. Candidates should have strong SQL and object-oriented design skills, as well as experience with Azure cloud development.

We seek a C/C++ Developer with extensive POS experience for retail software development and end-to-end card processing expertise.

As a Senior Software Engineer, you will design, build, and maintain scalable distributed systems, engage in cross-functional collaboration, mentor engineers, and improve processes throughout the software lifecycle.

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

The position involves building and optimizing automated trading infrastructure, developing trading algorithms, and creating scalable applications in a team environment.

Design and develop next-generation print technology solutions, focusing on software engineering principles for integrated systems in a team setting.

The C# Developer will work on projects utilizing C#, WPF, and BLE development with an emphasis on medical process compliance.

The ASP.Net C# developer will review, analyze, modify, and document programming systems, lead contractor staff, and collaborate for the RUCAS project delivery.

As a Senior Engineer on the Market Data team, you will design high-performance libraries for trading systems, ensuring fast and reliable market data delivery while collaborating with various teams.

Develop high-performance, low-latency trading systems for options market making, collaborating with traders and quants to enhance performance and trading infrastructure.

Develop and support software tools for chip design and verification, optimize workflows, work collaboratively to create high-performance software.

Develop and enhance software in C++ on Linux, create analytical tools for financial data, and collaborate with research analysts.

Develop software and enhance systems in C++ on Linux, while collaborating with analysts and engineers to create data processing tools.

As a C++ Software Engineer, you'll develop market data infrastructure, enhance trading systems' performance, and collaborate with researchers to improve trading strategies.

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

Develop and maintain performance-critical Windows-based software interfacing with imaging hardware. Collaborate with multidisciplinary teams to optimize camera control solutions.

The Senior Software Engineer (C++) will manage and evolve a complex C++ codebase, collaborate with multidisciplinary teams, and ensure software performance in a diagnostic system.

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

Design, develop, and maintain products for on-prem and SaaS. Collaborate on product roadmaps and implement features. Drive quality through test-driven development and agile processes.

Develop geocoding and location-based APIs, optimize algorithms and data structures, and maintain scalable C++ code for Esri's software products.

Design, build, and operate scalable, cloud-native, event-driven .NET systems. Own architecture, reliability, CI/CD, APIs, and mentoring; apply AI-assisted tools, testing, and data-centric design to improve product scalability and customer adoption.

Architect and implement scalable React/TypeScript user interfaces for web and Electron desktop apps. Integrate native modules (C++/Objective-C), work with REST APIs under zero-knowledge principles, optimize performance and accessibility, lead code reviews, mentor engineers, and participate in CI/CD and automated testing to deliver secure, high-quality features.