Top Senior C# Jobs

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

As a Displays Software Engineer, you'll design and build real-time user interface applications for automated aircraft systems, ensuring safety and usability across platforms.

As a Senior Full-Stack C#/.NET Engineer, you will fork and set up existing applications, implement architectural adjustments, and ensure deployment in Azure. The role requires close collaboration with stakeholders and troubleshooting legacy code.

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.

The role involves designing and optimizing C++ software for computer vision and camera tracking systems, focusing on high-performance software and collaboration across teams.

The Senior Software Engineer will develop next-gen wafer inspection tools, manage the software lifecycle, participate in design reviews, and troubleshoot products at customer sites. Responsibilities include multi-threading programming, GUI design with .NET, and collaboration across teams.

Design, extend, and operate enterprise-scale Ceph clusters and core subsystems in C++; optimize performance, implement multi-site DR, integrate with Kubernetes and CI/CD, build automation, observability, encryption/KMS, and maintain production-grade SOPs and documentation.

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.

The Senior Software Engineer will design, develop, and maintain software applications, lead coding efforts, mentor junior staff, and collaborate with cross-functional teams to align solutions with business goals.

Design, develop, and maintain enterprise .NET applications; write unit-testable C# code; work with AWS and Kafka; build database stored procedures and SQL; collaborate in Agile/Scrum teams; evaluate emerging technologies and drive cross-team consensus.

Lead re-architecture and modernization of a legacy C++ execution kernel, improve performance, memory and concurrency behavior, diagnose production issues, and provide technical leadership across design, code review, and cross-functional collaboration.

The Senior Software Engineer will design, develop, and maintain software applications using Python, C#, C++, and Linux, while collaborating with cross-functional teams to optimize performance and user experience.

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

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

The role involves building Python-based data pipelines for large autonomy datasets, developing cloud-based tools, and collaborating on data-driven decision-making for autonomous systems.

Architect and develop Packet Forwarding Features for PTX Series Routers, engage with customers, work with test teams, and sustain existing features.

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.

Design and implement logging frameworks for self-driving vehicles, optimize data collection and offloading, and mentor engineers.

Develop and maintain QGroundControl for drones, focusing on Android integration and MAVLink communication while optimizing UI/UX and performance.

Develop packet forwarding features for PTX Series Routers, engage with customers, and collaborate with product and testing teams. Sustain existing features.

Serve as primary technical contact for a flagship application, shaping requirements and implementing mission-critical features. Develop in Agile using C#, AngularJS, Node.js/TypeScript, Oracle/SQL, webservices, JavaScript, jQuery, and secure auth (SAML/OIDC). Must work on high-side environments with strong problem-solving and certificate/debugging skills.

Designs, codes, tests, integrates, documents, and leads complex web application solutions. Serves as SME, mentors teams, defines scope and schedules, and champions engineering standards and process improvements.

Develop and maintain DIAMONDS and other enterprise applications using C# and Oracle/PL/SQL. Participate in full software lifecycle (design, coding, testing, configuration management, release, IV&V support), build WPF/Prism features, apply secure coding and static analysis tools, support sustainment and customer-facing requirements gathering, and follow CMMI/Agile processes and Git/Azure DevOps workflows.

Design and implement modern C++ algorithms for 3D geometry and mesh processing, ensuring robust, maintainable, and testable code. Collaborate with biomechanics, manufacturing, and product teams to translate requirements into production-ready, manufacturing‑compatible geometry, and participate in agile R&D from research through release.