Top C# Jobs in St. Louis, MO

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 C# Developer will enhance and develop applications across various tiers, requiring strong analysis, design skills and proficiency in C# and .NET environments.

The C# Developer will design, develop, and support IT solutions using various technologies, ensuring feasibility and leading project initiatives during the software development life cycle.

The Senior Programmer Analyst will develop systems, code and document programs, assist with system design, and improve IT processes and techniques.

The Junior C# Developer will assist in developing system designs, coding, testing, and documenting programs under supervision, while suggesting process improvements.

As a Web Developer, you'll collaborate in a Scrum/Agile team to design and develop web applications using C#, .NET, HTML, and JavaScript, among others.

Design and implement complex low latency, high throughput software for financial data distribution, conduct testing, and improve software reliability.

Design high-performance C++ libraries for automated PCB design challenges, mentoring peers and shaping technical direction while collaborating with experts in various fields.

The role involves owning and implementing Rive's C++ animation runtime, optimizing performance through advanced programming techniques, and collaborating with designers to innovate features.

The role involves transitioning infrastructure to cloud, building tools for compute resource provisioning, and automating processes for a technology-driven firm.

The Junior Software Engineer will develop high-performance C++ software for scientific workloads, optimize code, and collaborate within a cross-functional team.

Lead the P&C engineering department, overseeing protection and control designs, relay settings, compliance with NERC standards, and testing initiatives in high voltage systems.

The C# / .NET Developer will design and maintain middleware applications, build Shopify integrations, and support a mobile app backend in a remote work environment.

The Senior C++ Developer will work on Windows desktop and system-level programming, handle legacy systems, and collaborate in software development.

PrivateID seeks a Principal C++ Engineer with at least 10 years of experience to lead complex systems and scale their platform in a remote-first environment.

The role involves developing high-quality software solutions, coaching client teams on modern practices, and refining skills through ongoing training.

As an Online Game Services Engineer, you will develop backends for multiplayer games, support live features, and improve player experience through feature iteration and optimization.

The Senior Backend Engineer will design and maintain Azure SQL databases, optimize performance, automate deployments, and collaborate with teams on best practices and development.

The Senior Backend Engineer will develop backend solutions using .NET/C# and modern architecture, focusing on cloud services and databases, while managing client projects.

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

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.

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

As a Senior Site Reliability Engineer, you'll analyze and improve software on production networks, automate debugging, and validate cost reductions while collaborating with development and QA teams.

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

The role involves designing and implementing high-throughput services in C++, optimizing performance, and contributing throughout the software development lifecycle, including testing and production support.