Top Senior C# Jobs

The Senior Software Engineer will design, develop, and maintain scalable backend services and APIs, working with cross-functional teams to improve cancer care through technology and data solutions.

The Senior Software Engineer develops and maintains Sports Trading applications using .NET and SQL Server, enhancing existing functions and providing technical guidance.

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.

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

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.

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.

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.

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.

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

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.

Lead software development projects for Mastercard's credit card authorization system. Responsibilities include technical design, mentoring engineers, and implementing process improvements.

The Senior Staff Software Development Engineer will architect and build products for Zscaler's Workload Security, develop eBPF-based firewalls, write efficient C/C++ code, and design distributed system components.

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

The Senior Software Engineer develops software solutions for laser systems, leads engineering teams, and collaborates on projects, ensuring quality and adherence to schedules.

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

Develop and support applications using C# and .NET, provide production support, and troubleshoot issues in a fast-paced environment.

Develop clinical-quality software for intra-cardiac imaging devices as part of a medical device R&D team. Responsibilities include prototyping, software design, code reviews, and ensuring adherence to regulatory processes.

Join AVEVA's Enterprise SCADA team as a Senior Software Engineer to design, develop, and enhance industrial software solutions, working in an Agile environment on complex technical challenges.

Design and implement high-performance C++ system software that interfaces with GPUs and hardware, integrate AI frameworks across platforms, contribute to build systems and toolchains, collaborate with cross-functional teams, and grow into architecture and leadership roles.

The candidate will work on the R&D team for the Virtuoso Platform, developing and maintaining infrastructure components, user interface, and programming functionalities while ensuring high-quality standards.

The Software Engineer will develop AI/ML applications, manage AWS infrastructure using Terraform, and write GPU-enabled systems, requiring extensive experience in software engineering.

As a Senior Software Engineer in the HFT team, you will lead technical projects, develop automated trading strategies, maintain trading infrastructure, and collaborate with researchers.