Top Senior C# Jobs in Minneapolis, MN

Design and develop scalable C++ software for endpoint state and control across Windows, macOS, and potentially Linux. Build reliable, multi-process systems that enforce endpoint behavior, manage local state, support IPC, and operate across millions of devices. Responsibilities include implementing features, improving platform performance, writing design documents, defining architecture and IPC contracts, and making technical decisions in an evolving, sparsely documented environment.

Develop and maintain a cross-platform C++ endpoint agent that detects, installs, validates, and rolls back operating system and third-party software patches. Responsibilities include code review, mentoring engineers, improving development processes, collaborating across teams, and translating product needs into technical designs. The role requires system-level development across Windows, macOS, and Linux using modern C++, gRPC, Protocol Buffers, SQLite, and CMake.

Provides technical leadership for connectors and cable assembly suppliers, resolving escalations, improving supplier performance, mitigating supply risks, and driving cost and operational improvements. Collaborates with R&D, manufacturing, and process development teams on design requirements, qualification, production release, supplier process optimization, and new product integration. Leads cross-functional projects, supports category strategy, and communicates with senior leadership and plant stakeholders. Requires global travel up to 20%.

Design, develop, and field high-performance Ground Control Station and C2 software using C++/Qt/QML and QGroundControl. Lead architecture and technical direction, mentor engineers, define APIs/ICDs, debug integration/latency issues, support field tests, implement post-mission debrief tools, and ensure interoperability with C2 standards.

Lead the technical direction for integrating algorithms on the Prism Mapping platform, focusing on real-time signal pipelines and optimization strategies. Collaborate with teams to ensure robust clinical performance and timely delivery of new capabilities.

Lead the technical direction and architecture for the core infrastructure of the Prism Mapping platform, ensuring reliability and performance in a medical device environment. Mentor engineers and drive technical improvements while communicating complex decisions to stakeholders.

As a Senior Software Engineer, you'll develop signals and algorithm interfaces, collaborate with developers, optimize algorithms, and mentor engineers in a regulated environment.

Design, implement, test, and modernize backend services and integrations (TypeScript/Node.js and C++). Lead large projects, write technical specifications and API contracts, enforce coding standards, coach engineers, and drive legacy-to-modern migrations within online banking and core systems.

Lead end-to-end development of secure, scalable web applications and data solutions supporting clinical trial operations. Design frontend and backend components using C#/.NET, Angular, AWS, and relational or non-relational databases. Guide architecture, testing, deployment, CI/CD, security, cloud optimization, and regulatory compliance. Mentor developers, oversee technical delivery, troubleshoot complex issues, and lead migration and modernization of on-premises applications to AWS.

Lead the architecture, design, and implementation of core MarkLogic database features using C++. Build scalable, fault-tolerant distributed systems; optimize performance; debug complex server-side issues; and mentor engineers. Collaborate with product, development, QA, and documentation teams to deliver secure, high-quality database capabilities involving search, security, language runtimes, JavaScript integration, scalability, and reliability.

Design, implement, and maintain cloud-native, edge-connectivity, and distributed data services. Build performant, secure microservices and REST APIs, maintain CI/CD and DevOps tooling, debug integration/performance issues, and mentor teams within an Agile/SAFe environment.

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.

Build and maintain scalable, cloud-native APIs using .NET. Enhance core platform components, lead architecture and testing discussions, optimize telemetry and performance, collaborate cross-functionally, conduct code reviews, and mentor team members.

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

Design, develop, test, document, and implement C#/.NET applications per technical specifications. Interpret business requirements, produce architectural and technical documentation, create unit test plans and harnesses, estimate tasks, validate accessibility and secure coding, and collaborate with infrastructure/network/server teams to resolve application issues.

Develop and maintain C#/.NET applications and ETL processes using Pentaho and Oracle 11g. Work with XML, Excel/VBA, and TFS for data integration and automation. Collaborate with stakeholders, perform application development, and support BI/ETL solutions. Strong communication and local interview availability required.

Develop and maintain C#/.NET applications and ETL processes (Pentaho). Work with Oracle 11g, XML, Excel/VBA, Visual Studio and TFS. Participate in analysis, design, development, testing, integration. Strong communication skills required. Local candidates for phone and face-to-face interviews. Contract for 6+ months.

As a Sr. Software Engineer at Bloomerang, you will lead technical direction, mentor engineers, and enhance SaaS solutions while utilizing .NET and AI tools. You will ensure scalable, maintainable applications, advocate for Agile workflows, and focus on quality outcomes in software development.

Develop and optimize ultra-low-latency, high-performance trading infrastructure in modern C++. Implement and tune order execution, market data connectivity, multi-threaded systems, and risk modules. Profile and benchmark real-time systems, collaborate with quants and traders, and maintain robust, fault-tolerant continuous trading operations.

Lead design and delivery of complex backend features for a high-scale online banking platform. Own code from design to production, modernize legacy systems, develop microservices, design APIs, implement tests, ensure secure coding, use AI-assisted tools, troubleshoot issues, and document APIs while collaborating with product, QA, and front-end teams.

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