Top Senior Software Engineer Jobs in San Diego, CA

Build and operate full-stack applications, backend services, SDKs, APIs, and product integrations for Shield AI’s shared services platform. Own solutions from design through production support, establish secure and reliable interfaces, collaborate with product and engineering teams, and contribute to architecture and technical direction. Work includes authentication, telemetry integrations, customer-facing portals, reusable capabilities, and public APIs.

Develops, maintains, tests, and supports software and system components within Agile project teams. Responsibilities include requirements analysis, version control, build and CI/CD processes, automated testing, acceptance testing, technical documentation, infrastructure administration, architecture improvements, and systems modeling. The role requires DevSecOps experience in regulated government or DoD environments and development of resilient software architectures for DDIL and afloat/ashore PaaS environments.

Support secure DoD ISR systems through Linux administration, cloud infrastructure management, virtualization, container orchestration, automation, PKI administration, cybersecurity compliance, system integration, documentation, and shipboard deployments. The role requires troubleshooting and maintaining mission-critical environments, supporting Agile engineering teams, and may involve leading small engineering teams and mentoring junior staff. Travel to CONUS and OCONUS sites is required up to 10% annually.

Develops and supports software for the SSEE Family of Systems, including integrating software branches, refactoring Java and JavaScript code, designing reusable components, troubleshooting systems, and implementing new integrations. The role conducts independent research, coordinates technical integration across teams, and supports full software and systems engineering activities. It requires STEM education or equivalent experience, substantial software engineering experience, Security+ certification, virtualization and scripting knowledge, and eligibility for a Top Secret/SCI clearance.

Seeking a Senior Principal Software Engineer to lead software development for defense systems. Responsibilities include technical leadership, software design, C++ coding, and collaborating with engineering teams to ensure mission capabilities for national security.

Design and implement control plane software spanning SDN, ground systems, satellites, and terminals. Build scalable services and APIs for provisioning, configuration, automation, telemetry, and network operations. Address dynamic network conditions and integrate with cloud and on-premises platforms. Collaborate across data plane, platform, embedded systems, product, and quality teams while contributing to architecture, implementation, testing, debugging, and system integration.

Build responsive Web3 applications, web SDKs, developer tools, reusable frontend components, and internal Customer Success tools. Collaborate with Product, Design, and Engineering to create scalable, accessible user experiences. Contribute to code and design reviews, automated testing, continuous delivery, coding standards, and AI-assisted development practices.

Design, build, and maintain cloud-native microservices and micro-frontends for a patient management platform. Implement features across frontend and backend, improve CI/CD and test automation, support Kubernetes infrastructure, enhance security and performance, and provide occasional production support while collaborating with global cross-functional teams.

Build and own the Linux-based edge platform powering factory, deployable, and air-gapped Crucible environments. Responsibilities include system provisioning, networking, security, updates, recovery, device lifecycle management, hardware and peripheral integrations, disconnected operation, fleet management, and full-stack debugging across applications, operating systems, networks, and physical equipment. The role also partners on edge-to-cloud architecture, deployment topology, and system security.

Develop and deploy autonomy software for unmanned surface, underwater, and aerial vehicles in maritime missions. Responsibilities include motion planning, localization and tracking, safety assurance, COLREGS adherence, multi-agent coordination, distributed optimization, rigorous software testing, platform integration, deployment support, mission-log analysis, and autonomy R&D. The role also involves cross-functional collaboration, customer and demonstration support, roadmap development, and mentoring junior engineers. Travel is typically approximately 25% annually.

Design, build, deploy, and operate cloud-native platform services and automation tooling. Break work into iterative tasks, collaborate with senior engineers, and improve reliability, scalability, testing, instrumentation, and runbooks. Participate in on-call rotations and support junior engineers through code reviews, pairing, and knowledge sharing. The role requires production software development, Kubernetes and hyperscaler experience, containerization, CI/CD, Git workflows, and strong Go programming skills.

Vannevar is seeking a Senior Software Engineer to lead the deployment of AI-enabled software products in government environments, focusing on security and compliance. Responsibilities include roadmap ownership, technical design, mentorship, and documentation.

Develops and integrates embedded firmware and software for ocean-system prototypes. Responsibilities include requirements analysis, architecture and design, implementation, testing, debugging, integration, verification, documentation, and cross-functional engineering coordination. The role supports Linux, microcontrollers, RTOS, NVIDIA Jetson, ROS 2, and related embedded platforms, with opportunities involving computer vision, signal processing, robotics simulation, test automation, and graphical interfaces.

Develop, integrate, and field autonomy software for unmanned platforms; lead a small technical team through design-to-deployment; author ICDs; perform hardware/software debugging, system bring-up, simulation testing, and mission support; mentor engineers and coordinate with internal teams and external integrators. Travel ~10-20%.

Hands-on role integrating and flight-testing Hivemind autonomy across Group 1-3 aircraft. Responsibilities include bench and flight bring-up, debugging autonomy/flight controllers/radios, building test tools and automation in Python/C++, developing hardware interfaces, running SIL/HIL/VIL and live flight tests, analyzing data, and improving test infrastructure in collaboration with software, hardware, and flight teams.

Lead integration and validation of the Hivemind autonomy stack across simulation, HIL, and flight platforms. Configure sensors, drivers, communication interfaces, and platform adapters; develop integration tooling and CI/CD; analyze logs/rosbag to triage defects; collaborate with engineering and product teams to ensure interoperability, release readiness, and end-to-end system compliance.

Integrate and deploy autonomy software onto unmanned aircraft, prepare flight-ready systems, support on-site flight tests, debug hardware/software issues, collect and analyze flight data, collaborate across autonomy, GNC, and test teams, and support certification, compliance, and process improvements.

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.

Design and build automated test capabilities for V-BAT: define and automate system-level test cases, implement interfaces/drivers for simulation and hardware, prototype and harden test solutions, and support release and flight test activities working with GNC and Embedded teams.

Lead design and implementation of tactical autonomy behaviors for unmanned platforms. Develop, test, and deploy multi-agent coordination, motion/behavior planning, and survivability features across vehicles while owning end-to-end system lifecycle and collaborating with integration teams and end users.

Lead design, integration, and fielding of autonomy software on unmanned platforms. Develop mission behaviors, platform control, multi-agent coordination, and deployment pipelines; own validation from simulation to live tests. Drive technical strategy, cross-team architecture, standards compliance, mentor senior engineers, and support on-site test/mission operations and hardware/software debugging.

Lead systems engineering for Hivemind-based autonomy products: define and manage requirements, develop system architectures and trade studies, coordinate hardware/software interfaces, support integration/verification/validation and testing, and identify and mitigate technical risks across the system lifecycle.

Integrate autonomy software onto unmanned aircraft, prepare and validate flight-ready systems, support on-site flight tests, debug hardware/software integration, capture and analyze flight data, collaborate with autonomy/GNC/systems teams, improve integration processes, and assist with certification and compliance. Travel ~30-40% for tests and field events.

Develop, integrate, and field autonomy software on unmanned platforms; own end-to-end integration from simulation to live tests; debug embedded/latency-sensitive systems; support on-site flight/sea/space tests; ensure C2 interoperability and improve deployment/test tooling and processes.

Design, implement, and own tactical autonomy behaviors for unmanned platforms. Develop and test multi-agent coordination, motion and behavior planning, target engagement, and survivability features. Work across the software lifecycle, integrate with sensor, estimation, communications, and control systems, contribute to shared frameworks, and support platform integration and testing (travel up to 20%).