Top Senior Software Engineer Jobs in San Diego, CA

Designs, develops, tests, and debugs embedded software for satellite systems. Responsibilities include bootloaders, board support packages, device drivers, embedded operating systems, hardware integration, verification planning, and architectural leadership. The role requires solving complex low-level software problems, developing test programs, improving engineering processes, and collaborating cross-functionally. Key expertise includes C, Python, VxWorks, Embedded Linux, RTEMS, Buildroot, Yocto Linux, NAND flash file systems, and laboratory debugging equipment.

Design, optimize, and maintain language execution engines and runtime systems (JIT/AOT, memory management) for scalable applications. Own full development lifecycle, implement high-quality reusable code, profile and optimize performance, integrate AI into workflows, collaborate with product owners, and mentor engineers on low-level systems and optimization techniques.

Build and modernize large-scale software factories across multiple programs. Integrate and automate continuous build, integration, testing, and deployment pipelines using DevOps tools, containers, orchestration, and modern software development practices. Collaborate with software teams, chief engineers, and program stakeholders in an onsite, fast-paced environment. The role requires obtaining and maintaining Top Secret and Special Access Program access.

The Advisor Lab Automation Software Engineer will design and implement software integrations for lab automation, focusing on AI-driven processes, while providing technical leadership and mentoring.

Develop and maintain software across embedded, systems, and application layers for autonomous maritime platforms. Interface with sensors, actuators, networking, and onboard compute. Design distributed services, improve performance, reliability, and observability, and support lab and field testing alongside cross-functional teams.

Develop, integrate, test and maintain desktop/web applications and Java microservices; build and maintain CI/CD pipelines; collaborate with SW, HW and test teams; identify technical risks and report to leadership; work in an Agile, process-oriented environment. On-site in San Diego, requires Top Secret clearance and up to 25% travel.

Design, develop, and maintain enterprise-level toolsets to exploit large operational data sets. Build CI/CD pipelines, collaborate across engineering disciplines (Cloud, Networking, DevSecOps, Test), perform data analysis/predictive trending (including AI/ML), manage databases and containers, interpret ICDs, and support mission-critical, on-site defense systems requiring high security clearance.

Design and build cloud-native, SaaS-ready services while decomposing legacy monoliths. Lead architecture, mentor engineers, implement observability, perform code reviews, and refine AI-augmented development workflows and CI/CD deployments.

Design, develop, and operate stateful AWS applications and microservices. Validate releases for large multi-locale IVR systems, modify configurations via SQL, pre-stage deployments with Jenkins and git, and troubleshoot system/network issues using Unix commands. Work independently and engage with clients.

Design, develop, deploy, and modernize a mission-critical loan management platform. Responsibilities include application architecture, full-stack software development, legacy modernization, performance and reliability improvements, production troubleshooting, code reviews, monitoring, testing, CI/CD automation, and technical strategy. The engineer partners with Product, QA, DevOps, and Engineering teams, contributes to planning and design, mentors colleagues, and promotes engineering excellence.

Designs, architects, develops, integrates, debugs, and tests embedded real-time software for Link-16 and tactical data link systems. Works with systems, digital, hardware, and integration teams in an Agile environment. Responsibilities include low-level firmware integration, multi-threaded applications, requirements analysis, software lifecycle activities, static analysis, unit testing, and troubleshooting tactical data link waveforms. The role is full-time onsite in San Diego and requires a U.S. Government Secret clearance.

Leads a 10–15-person embedded software engineering section while serving as a technical contributor on communications programs. Responsibilities include staffing, recruiting, training, performance management, career development, compensation coordination, conflict resolution, and software process improvement. Approximately 80% of the role supports embedded communications systems within Fighter Networked Systems and Advanced Communications, including real-time, multithreaded, secure software and engineering execution.

Design, implement, and optimize software for autonomous surface vessels using NixOS and embedded Linux. Integrate with hardware, implement control and sensor-fusion algorithms, optimize low-bandwidth networking, test and validate systems, perform debugging and code reviews, and document designs for compliance.

Design, implement, test, and sustain containerized web applications and services for DoD customers. Contribute to backend code (Java/Groovy/Kotlin), manual testing, test plans, and CI/CD and container orchestration improvements.

The Software Engineer will focus on data quality engineering and functional integration, working within an agile team to manage and write test cases based on a large data schema.

Lead development of autonomy capabilities for space platforms including distributed optimization, tasking/scheduling, track fusion, RPO and motion planning. Build high-performance, well-tested software, integrate on real vehicles, support deployments and testing, and research/roadmap advanced autonomy techniques for defense applications.

Design, implement, and deploy autonomy capabilities for space platforms including distributed optimization, tasking/scheduling, track fusion, RPO, and motion/behavior planning. Build high-performance, well-tested software modules, collaborate across perception, planning, simulation, hardware, and flight test teams, support deployments and mission log analysis, and contribute R&D and roadmaps to advance autonomy for satellites and missile defense.

Design, develop, and maintain embedded software and board-support packages for space and defense products. Create requirements, design specs, and test plans; implement device drivers and hardware-software interfaces; participate in testing, troubleshooting, and board bring-up. Collaborate with hardware engineers and follow software lifecycle processes.

Develop embedded software and firmware for networking layers in switches and related controller or sensor systems. The role requires extensive Embedded Linux, RTOS, bare-metal, C/C++, and Layer 2/3/4 networking experience. Experience in software-defined radios, modem design, automotive or avionics, AI, or space products is also relevant. Yocto and PetaLinux are preferred. This is a long-term contract with potential conversion to permanent employment in Southern California.

Lead integration of autonomy software onto diverse platforms by designing and implementing interfaces between autonomy, vehicle subsystems, sensors, payloads, and communications. Configure Linux mission environments, middleware, containers, and deployment pipelines; support SIL/HIL/VIL validation, field tests, demonstrations, troubleshooting, and cross-team coordination while mentoring junior engineers.

Design, develop, test, and deploy secure full-stack medical device software using Java, Spring Boot, JavaScript, Angular, microservices, GraphQL, RabbitMQ, and AWS. Collaborate with cross-functional Scrum teams, implement scalable cloud applications, maintain CI/CD practices, conduct code reviews, and ensure compliance with regulated software development standards including IEC 62304. The role is office-based in San Diego and requires up to 10% travel.

Design and develop software for automated laboratory workflows, build data pipelines, implement machine learning models, and integrate various systems to enhance biotherapeutics discovery.

Develop, maintain, and execute automated tests for safety-critical embedded and real-time software. Analyze software requirements, perform integration and acceptance testing, diagnose defects, and support qualification activities. Collaborate with systems, hardware, software, and integration engineers across development, laboratory, and operational environments. Create test procedures, technical documentation, integration plans, and software scripts while working within Agile and full SDLC processes.

Design, architect, develop, integrate, test, and administer embedded and real-time software for flight- and mission-critical systems. Participate in the full software development lifecycle within Agile Scrum teams, using C++, C, and Python. Collaborate with systems engineering, cloud, test automation, DevSecOps, and systems test teams to resolve software and system issues, support multiple software baselines, and deliver qualified products.

Designs, develops, integrates, tests, and administers embedded and real-time software for flight and mission-critical systems. Participates in the full software development lifecycle, including requirements, architecture, implementation, qualification, and delivery. Works in Agile Scrum teams with systems engineering, DevSecOps, cloud, automation, and testing groups. Analyzes system capabilities, resolves software issues, and supports multiple software baselines and real-time operating system environments.