Top Senior Linux Jobs in San Diego, CA

Build end-to-end full-stack features for an AI-native fleet operations platform. Develop Python backend services, React interfaces, LLM-powered workflows, agentic pipelines, database schemas, and evaluation tooling. Collaborate on architecture, observability, testing, and engineering practices in an autonomous startup environment.

Defines and guides architecture for customer, agent, and partner digital insurance experiences. Designs frontend applications, backend services, APIs, Guidewire integrations, identity and security controls, and scalable cloud solutions. Partners with Product, UX, QA, DevOps, and Engineering through delivery and production. Provides technical mentoring, reviews designs and code, improves observability and reliability, and develops secure AI-enabled capabilities using generative AI, APIs, RAG, monitoring, and human escalation.

Owns the design, development, security, performance, and scalability of Cerby’s cross-browser Manifest V3 extension. Builds React and TypeScript experiences across extension surfaces, manages service-worker synchronization and authentication workflows, and ensures secure credential handling. Responsibilities include dependency and supply-chain security, testing, observability, code reviews, mentoring, cross-functional collaboration, and production delivery in an agile remote environment. The role also promotes responsible AI-assisted development practices.

Senior software engineering individual contributor responsible for owning systems or feature areas, making customer- and business-focused technical decisions, improving an agentic AI development framework, managing automated quality and defect reduction, leading design discussions, mentoring engineers, and driving cross-pod technical initiatives. The role requires hands-on software engineering leadership without direct people management, with emphasis on AI-assisted development, testing, safety, and organizational technical strategy.

Design, develop, maintain, and support enterprise applications, backend services, RESTful APIs, integrations, and distributed systems. Own projects through design, testing, deployment, and production support. Troubleshoot complex issues, improve reliability and performance, maintain automated tests, contribute to architecture and code reviews, and enhance CI/CD pipelines. Collaborate with engineering, product, architecture, and business teams while evaluating emerging technologies and driving technical improvements.

Designs and maintains hardware and firmware HIL test systems for low-power embedded products. Develops and executes system, regression, and firmware verification tests; diagnoses issues using electronic lab equipment; automates workflows with CI; and partners across hardware, firmware, and cloud teams to resolve defects. The role also includes PCB design, fixture assembly, soldering, prototype fabrication, formal reporting, requirements traceability, and quality process improvement under ISO 9001 and ISO 13485.

Design and maintain backend infrastructure for card-present payment terminals, including EMV, NFC, magnetic stripe, device management, certifications, international payment support, PCI DSS security, encryption, tokenization, and reliable transaction processing. Integrate terminal SDKs and hardware platforms, build .NET and C# services, lead EMV Level 3 certification, and mentor engineers.

Develop and maintain enterprise web and desktop applications using the Microsoft .NET stack, including ASP.NET, C#, JavaScript, and SQL Server. Perform unit testing, troubleshooting, performance tuning, and scalable application design. Participate in Agile software development lifecycle activities, create technical documentation and models, and improve development frameworks, standards, and processes.

Own end-to-end mechanical design of robotic humanoid hands and end-effectors, including mechanisms, actuators, transmissions, structural analysis, tolerance analysis, and manufacturing drawings. Lead rapid prototype-build-test iterations, collaborate with electrical and software teams, manage suppliers, and take electromechanical products from concept through production.

Own and evolve secure, highly available AWS cloud infrastructure, infrastructure-as-code, CI/CD pipelines, backup and disaster recovery, data architecture, observability, security guardrails, and workflow automation. Lead AI DevOps practices for AI-enabled systems, troubleshoot distributed systems, and partner with engineering, security, and compliance teams to improve reliability, scalability, security, and developer velocity.