Johns Hopkins Applied Physics Laboratory (APL) seeks a Senior C++ Software Engineer to build advanced software for national security, space, and health missions. You will design and implement high-performance C++ applications, collaborate with scientists and engineers to translate research into robust systems, and contribute to architecture, code reviews, and best practices. In APL’s mission-driven, collaborative culture, you’ll tackle complex real-world problems, mentor junior engineers, and grow through strong support for innovation, professional development, and advanced study. Design, implement, and optimize complex C++ software solutions for mission-critical systems. Collaborate with scientists, engineers, and domain experts to translate research concepts into robust software. Develop, test, and debug high-performance, reliable, and secure applications. Contribute to architecture decisions, code reviews, and software best practices. Document designs, interfaces, and test plans to support long-term maintainability. Mentor junior engineers and contribute to a culture of technical excellence and collaboration. Modern C++ (C++11/14/17 or later) Object-oriented design and design patterns Multithreaded and concurrent programming Linux/Unix development environments Debugging and profiling tools (e.g., gdb, Valgrind, perf) Version control (Git) and collaborative development workflows Software architecture and API design Unit testing and automated build systems (CMake, CI/CD) High-performance or real-time systems development Secure coding practices and software reliability engineering Medical Insurance Dental Insurance Vision Insurance Life Insurance 401k Security clearance eligibility (or ability to obtain) Relevant C++ or software engineering certifications (e.g., IEEE, ISO C++ Institute) Experience in defense, space, or scientific computing domains preferred
