Top Senior C++ Jobs

Refactor and develop complex C++20 software to be platform-independent and containerized (Docker). Perform systems modeling, simulation, analysis, collaborate with hardware engineers, document software, and potentially lead junior staff. Work onsite supporting a federal customer at Redstone Arsenal; must be US citizen able to obtain security clearance.

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.

Develop and enhance 3D analytic capabilities for ArcGIS Pro using C++. Responsibilities include building components, managing large datasets, and applying algorithms.

Maintain and enhance production C++ codebases on Linux, develop targeted greenfield features, support releases and production debugging, collaborate with systems/test/field/manufacturing teams to resolve integration issues, and improve technical documentation to ensure system reliability and knowledge continuity.

Design, implement, and maintain C++ software for safety-critical missile and weapon systems on VxWorks RTOS. Perform hardware-software integration, lead verification and validation, collaborate with multidisciplinary teams, and maintain rigorous technical documentation to meet defense safety requirements.

Design, develop, and maintain web applications using C#, .NET, AngularJS, TypeScript and Node.js. Collaborate with customers and team to define requirements, ensure performance and quality, fix bugs, participate in code reviews, and maintain code quality within an Agile environment.

Design and develop scalable services/APIs using C#/.NET/.NET Core, collaborate during SDLC, mentor junior engineers, and ensure code quality.

Maintain, enhance, and modernize enterprise VB.NET Windows Forms applications; develop and support related C# services, SQL Server databases, and REST integrations; participate in Agile/Scrum, code reviews, troubleshooting, documentation, and technical guidance to ensure stability and maintainability.

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.

Lead design and implementation of a low-latency C++ trading platform covering execution, market data, order and risk management. Build direct exchange connectivity, optimize microsecond/nanosecond performance, collaborate with traders and quants, and own systems end-to-end in production trading environments.

Develop, own, and maintain desktop Agent Desktop features using C#, .NET, and WPF. Integrate with backend REST/SOAP APIs, write unit and integration tests, troubleshoot UI and service issues, participate in code reviews and Agile ceremonies, and contribute to CI/CD and reliability improvements.

Design, build, and maintain large-scale, distributed API-driven systems using C#/.NET and SQL. Integrate AI (LLMs, agents, prompt engineering) to improve customer experience, observability, automation, and data quality. Lead design, code reviews, telemetry-driven diagnostics, and collaborate with Product, Research, and Data teams to deliver AI-powered platform capabilities.

Develop and maintain high-performance, scalable system software and libraries for web/payment platforms. Build multi-threaded C++ servers, ensure HTTP protocol correctness, collaborate with distributed teams, perform code reviews, mentor engineers, and use Python for tooling or automation.

Design, develop, test, and support C++ software solutions. Own end-to-end features, create technical designs and documentation, estimate work, lead onshore/offshore developers and QA, and troubleshoot complex hardware/software systems.

Design, build, test, and support web and client-server applications; lead custom SharePoint intranet development; implement front-end features using C#/.NET and JavaScript frameworks; optimize performance and scalability; produce technical specifications, documentation, QA, and user training; maintain .NET certifications.

Maintain and enhance the QLS-VO app server codebase using C and Pro*C. Develop TCP/IP socket code, write Oracle queries, compile on Linux, and perform testing and troubleshooting. Support Pro*C compilation and relational DB / Cron understanding.

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

Lead design and global rollout of a high-performance core market data and execution platform. Implement and optimize low-latency market data ingestion, normalization, distribution, and execution components in modern C++. Own deployment, monitoring, profiling, and production optimization while collaborating closely with quants and technical traders to enable systematic pricing and trading strategies.

Lead design and global rollout of a high-performance market data and execution Core Platform. Build low-latency ingestion, normalization, distribution, and execution components. Develop tools for quants and traders, own lifecycle from deploy to production profiling and optimization, and collaborate closely with engineers, quants, and traders to iterate on requirements and platform improvements.

Lead development of high-performance C++ trading systems and core platform components, build and optimize exchange connectivity (market data and order flow), implement trading algorithms, improve stability and observability, troubleshoot production issues, and collaborate closely with quants and traders to iterate on design and deployment.

Build and optimize low-latency C++ trading systems used across global venues. Implement exchange connectivity, trading algorithms, testing, monitoring, and performance optimizations. Collaborate with researchers, traders, and engineers to refine requirements, troubleshoot production issues, and deploy reliable, high-performance trading platform components.

Design, implement, and optimize foundational CUDA C++ libraries, parallel algorithms, utilities, and runtime abstractions. Own features across design, implementation, testing, profiling, benchmarking, documentation, and maintenance. Collaborate with compiler, Python, and Rust teams, engage with users on performance and correctness, and improve developer productivity through diagnostics, tooling, and CI integration.

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.

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.

Architect, design, and develop the company's proprietary software, maintenance systems, BSOL, and web services. Create development proposals and plans, resolve defects, implement enhancements, support customers and compliance, assist offshore development planning and sales support, and report to the Director of Software Engineering.