Top Remote C++ Jobs in Washington, DC

The Software Development Engineer II will develop navigation solutions, balance rapid development with reliability, and optimize performance while promoting operational excellence at Mapbox.

Design, build, and deploy NICE CXOne contact center solutions and IVR call flows. Integrate backend services and APIs, implement skills-based routing, troubleshoot end-to-end call center applications, coordinate releases across agencies, and act as SME for CXOne deployments and support.

Support customer and partner relationships by demonstrating radar value, lead integrations with C2/VMS/autonomous platforms, plan and execute installations, tune systems, provide technical support, analyze post-demo data, create training materials, collect feedback, and travel up to 50%.

Join Canonical as a graduate software engineer to write high-quality code across the open source stack, work on Linux system-level and application projects, engage with communities, respond to customer issues, and develop security-aware software while collaborating remotely and attending biannual in-person team sprints.

As a Systems Engineer, you will enhance Windows support for Swift and develop features for internal projects and the Swift community, focusing on system architecture and tooling improvements.

Join our remote R&D team to innovate in graphics and spatial computing, implementing advanced techniques for immersive streaming applications.

As a Senior Staff Engineer, you will lead technical vision and architectural direction for Payments Compliance, ensuring scalable and cohesive compliance systems while partnering with cross-functional teams to navigate regulatory requirements.

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

Lead architecture and development of high-performance, scalable backend systems for Yahoo Mail using Java and C++. Set technical strategy, establish architectural standards, validate AI-generated code, mentor senior engineers, collaborate cross-functionally, and ensure reliability through automated logging, telemetry, and debugging workflows.

Lead perception technical efforts for UAS programs: design target detection/tracking and nonlinear state estimators, architect multi-sensor world modeling, integrate ROS2/DDS interfaces, optimize real-time C++ embedded deployments, and mentor engineers while contributing reusable platform components.

As a Database Reliability Engineer at ClickHouse, you'll improve reliability, manage escalation processes, support incident response, and enhance database performance while collaborating across teams.

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.

As a Software Development Engineer II on the Search Geocoding team, you'll design and implement algorithms for efficient search retrieval, collaborate cross-functionally, and optimize solutions to enhance user experience.

As a Compiler Engineer, you'll enhance compiler performance, support multiple operating systems, develop toolchains, ensure interoperability, and contribute to open source.

Design and implement core components of networking systems at Ditto, focusing on transport protocols, performance, and modular architecture.

Design and implement a shared Rust core used across desktop, mobile, and backend. Drive architecture decisions around CRDTs and distributed systems, integrate Rust components with frontend/mobile/backend teams, and improve performance, reliability, and maintainability.

As a Software Engineer - L3 Support, you will resolve complex Ubuntu-related issues, collaborate with teams, and participate in upstream communities to drive bug fixes and improvements.

The Sustaining Operations Engineer resolves complex Linux-related issues, collaborates with teams, participates in communities, and provides escalation support, driving issues to resolution and maintaining operational success.

Optimize Ubuntu integration across latest IoT and server-class hardware, lead customer engagements, and work with open source communities in a remote, collaborative environment.

As a Software Engineer, you will resolve complex customer issues related to Ubuntu and open source software, participate in upstream communities, and develop and review code across multiple layers of the software stack.

Design, build, operate, and evolve backend services and runtime infrastructure for cloud orchestration and job execution. Own distributed, asynchronous systems, APIs, workers, persistence, and service-to-service coordination. Improve reliability, observability, testing, and operational tooling; lead cross-team designs and mentor engineers.

Lead design and implement deep mobile platform integrations (primarily iOS) across the Graykey product. Debug across layers (Python, native C/C++, OS userspace and kernel), analyze crash dumps and disassembled binaries, drive features from design through production, mentor engineers, and collaborate with firmware and product teams to ensure reliable multi‑device, multi‑OS operation.

Design and scale core infrastructure for an exchange platform focusing on latency and performance, while building APIs and managing technical relationships with clients in the sports prediction market.

Design, manage, and implement Appian-based applications for financial services and insurance clients. Capture requirements with Tech Leads, translate business needs into solutions, deliver custom Appian implementations, collaborate with architects and delivery teams, and develop reusable assets, accelerators, and best practices.

Implement and maintain technical frameworks and workflows for gameplay systems. Collaborate across disciplines to create reusable tools, ensure system architecture, optimize performance, and document best practices. Serve as a technical expert and advocate for the technical design team to support high-quality game content production.