Top Senior Linux Jobs in San Diego, CA

Build and scale optimization and backend systems for public transportation planning and scheduling products. Own features from concept through production, improve system performance and reliability, and collaborate with designers, data scientists, algorithm researchers, product managers, transit planners, schedulers, and customers. Contribute to engineering architecture, best practices, productivity tools, and code quality while applying software engineering to optimization, geospatial computation, machine learning, and AI.

Design and package modular industrial heat-pump systems for production. Responsibilities include creating 3D CAD layouts, detailed drawings, BOMs, and controlled releases; designing piping, structures, supports, and interfaces; performing engineering calculations; leading DFMA and cost-reduction efforts; coordinating suppliers and external specialists; supporting fabrication, commissioning, troubleshooting, validation, and field issue resolution.

Maintain and improve product reliability, performance, uptime, and scalability. Build monitoring dashboards, alerts, runbooks, deployment tooling, and scalable architecture solutions. Troubleshoot issues across the technology stack, collaborate with application engineering teams, support cloud and containerized systems, and participate in on-call coverage.

Designs, develops, tests, and maintains embedded flight software for satellite imaging payload and ADCS subsystems. Leads software delivery across cross-functional engineering teams, supports requirements development, testing, documentation, analysis, and release processes, and provides technical leadership for mission-critical software. The role requires expertise in C/C++, Python, embedded Linux, and production software development, with opportunities to support additional spacecraft subsystems and mentor team members.

Designs and leads scalable technology solutions for public-health data exchange, interoperability, analytics, and AI-enabled applications. Translates ambiguous CDC needs into architectures, prototypes, demonstrations, and implementation plans. Leads multidisciplinary technical teams, oversees quality across design and delivery, applies standards such as HL7 and FHIR, and communicates technical decisions, risks, and tradeoffs to technical and nontechnical stakeholders.

Build Passport, WorkOS’s identity and device-access product, with a frontend focus and full-stack ownership. Responsibilities include creating onboarding and access-management experiences, working directly with customers, simplifying complex identity workflows, implementing authorization behavior, collaborating with design and security teams, and shaping AI-agent access to company tools. The role requires strong product judgment, frontend engineering expertise, API and data-model understanding, and the ability to ship and iterate user-facing features.

Own the end-to-end architecture, implementation, operation, and governance of Lambda’s Workday integration landscape. Lead the Rippling migration, build inbound and outbound HR, payroll, benefits, finance, identity, and analytics integrations, and ensure reliable data flow, monitoring, reconciliation, security, and SOX controls. Partner across People, Finance, Payroll, IT, Security, and Engineering; oversee implementation readiness, releases, documentation, audits, and technical mentorship.

Build and maintain high-performance, resilient SDKs across multiple programming languages and platforms. Develop features, improve reliability, collaborate with engineering and product teams, maintain open-source repositories, and influence technical and product decisions. The role requires strong software engineering fundamentals, polyglot development ability, library-building experience, production-quality coding, and expertise in unit, integration, load testing, and benchmarking.

Administers and strategically develops the organization’s Microsoft cloud environment, including Azure, Microsoft 365, Entra ID, and hybrid identity services. Responsibilities include cloud governance, security and access management, architecture, migrations, automation, backup and recovery, troubleshooting, documentation, and staff training. The role serves as a senior technical advisor, leads modernization initiatives, and supports reliable, secure, and cost-effective cloud operations.

Build and ship full-stack healthcare platform features, integrations, bug fixes, and infrastructure improvements. Responsibilities include implementing clinical rules, developing AI and LLM-powered automations, integrating EHR and payer systems, improving APIs and data pipelines, writing tests, reviewing code, and owning features end to end. The role is hybrid in the Bronx and involves close collaboration with clinicians, care coordinators, principal engineers, and operators.