Top Senior C++ Jobs in Washington, DC

Lead the validation strategy for autonomous vehicle software, mentor team members, analyze autonomous behaviors, and develop testing strategies in this senior engineering role.

As a Staff Software Engineer, you will lead the development of Apache Iceberg, enhancing data handling capabilities for large-scale systems, collaborating with teams, and architecting solutions for modern data lakes.

Lead the design and development of Windows desktop applications, ensuring performance, accessibility, and collaboration with various teams. Oversee the entire feature lifecycle and address complex issues in a user-centric manner.

Senior SAP IQ Database Administrator responsible for designing, implementing, optimizing, and administering SAP IQ database environments. Lead ETL development with SAP Data Services, build logical data models, write and optimize complex SQL, manage JDBC connections, support Linux and Windows platforms, handle diverse file formats, mentor staff, and enforce operational standards, governance, and documentation while collaborating with government stakeholders.

Develop and maintain Rust-based systems software for an autonomous drone platform. Design low-latency, high-reliability services across networking, protocols, embedded platforms, and AI/ML integration. Work with simulation environments and collaborate with ML engineers to enable autonomy features under constrained, real-world conditions.

Lead development, deployment, and optimization of maritime autonomy systems. Drive field testing, analyze mission data, integrate sensors and autonomy capabilities, resolve cross-disciplinary incidents, mentor teams, and author deployment protocols to ensure reliable operational performance.

Lead development of passive RF geolocation algorithms (TDOA, FDOA, interferometry) from first principles through simulation, real-time implementation, integration, calibration, and field validation. Build high-fidelity simulation environments, quantify performance under real-world impairments, and partner with hardware and systems teams to define RF/timing requirements and support field demonstrations.

Lead development and validation of advanced passive RF geolocation algorithms (TDOA, FDOA, interferometry). Build high-fidelity simulations, implement real-time software on DSP/GPU/FPGA, integrate with RF/SDR hardware, define RF/timing requirements, and support system calibration and field validation. Collaborate across engineering, production, and business teams; travel up to 30% and work on-site multiple days weekly.

Lead end-to-end integration and deployment of vehicle intelligence products for defense customers, spanning software engineering, OS configuration, system deployment, and hardware integration. Design scalable architectures, collaborate with product and engineering teams, and own technical outcomes in fast-changing, operational environments to ensure mission success.

Lead design, development, enhancement, and maintenance of enterprise geospatial applications and APIs. Implement ArcGIS Enterprise solutions, web GIS apps, dashboards, integrations, and ensure compliance with federal IT, cybersecurity, and privacy requirements while guiding development teams and supporting testing, deployment, and O&M.

The Senior Developer Technology Engineer will optimize GPU applications in the public sector by collaborating with developers, crafting parallel algorithms, and improving software stacks while ensuring high performance on GPUs.

The Senior Embedded Software Engineer will design and develop software for embedded systems, focusing on security, integration, and collaboration with hardware teams.

The Senior Embedded Software Engineer designs and develops low-level software for ARM-based hardware platforms, focusing on bare-metal development and security controls.

The Sailpoint Consultant will maintain and support SailPoint IIQ infrastructure, troubleshoot issues, develop scripts, and assist project teams with identity and access solutions.

Design and build a novel, highly scalable data infrastructure to aggregate and stage simulation outputs and user inputs for LLM consumption. Architect massive batch pipelines, complex relational data models, and low-latency distributed processing. Lead technical direction, solve ambiguous first-principles problems, and optimize data for downstream AI decision systems supporting government customers.

As a Lead Software Engineer, you will integrate Applied Intuition's vehicle intelligence products with defense and government customers, overseeing technical execution for complex systems.

Design and implement runtime protocols, formats, and systems to capture, serialize, stream, and replay interactive 3D content across engines and AI models. Own engine subsystems from low-level C++ runtime to high-level C# APIs, optimize for performance, determinism, and low-latency streaming, and build interfaces for AI systems to inspect and invoke engine capabilities.

The role involves developing cross-platform API abstractions for the Unity Editor using modern C++. Responsibilities include maintaining codebases and collaborating with worldwide teams.

Lead the design and development of Windows desktop applications, focusing on architecture, accessibility, and best practices, ensuring quality and performance across releases.

The researcher/engineer will design and maintain experimental equipment, conduct research in acoustics, and support field tests. Strong hands-on, software, math, and physics skills are necessary. This role may lead to project engineering tasks. The candidate must possess a BS degree or higher, have laboratory experience, and programming skills, while being flexible to handle multiple tasks.

Develop, enhance, and maintain backend web applications and services using C#/.NET. Implement features with ASP.NET, Entity Framework, and SQL Server; write unit and integration tests; perform troubleshooting, code reviews, vulnerability remediation, and O&M tasks while collaborating with senior engineers and cross-functional teams.