Top Linux Jobs in San Diego, CA

Develop, debug, and maintain scalable modeling and simulation software across heterogeneous HPC and Linux environments. Support users with workflows, applications, and system issues; write Fortran, C, C++, Bash, and Korn shell code; perform testing and configuration management; analyze existing code; mentor engineers and scientists; conduct code reviews; and create technical training materials. Work onsite with researchers, customer representatives, and technical staff in a cleared national security environment.

Build and maintain full-stack messaging and communication workflow features for the Recura product, including inboxes, message threading, conversation states, automations, and event-driven experiences. Integrate backend services with frontend interfaces, collaborate with infrastructure and product engineers, ensure reliability, and participate in on-call incident response. The role requires product ownership, startup experience, and comfort working across frontend and backend codebases.

Build and operate Numeral’s public API, MCP server, billing and ERP integrations, infrastructure, data pipelines, and platform services. Own projects from design through production, improve observability and reliability, automate deployment workflows, and contribute to architecture decisions. The role requires strong backend engineering, distributed systems knowledge, cloud and container experience, and a customer-focused approach to dependable financial automation.

Lead Salesforce Engineer responsible for Salesforce architecture, development, testing, deployment, integrations, data migrations, troubleshooting, code reviews, and system optimization. The role manages Salesforce CRM and claims configurations, supports managed packages, translates business requirements into solutions, collaborates with vendors and internal teams, documents processes, assists with training, and recommends platform improvements. Travel is required up to 10%.

Build and operate production software, data systems, APIs, internal tools, and AI-powered research workflows for Patch’s climate market-intelligence platform. Responsibilities include ingesting and modeling heterogeneous external data, ensuring data quality and provenance, developing retrieval and agent workflows, and translating user needs into reliable products used by Climate Strategy, Sales, and Marketing. The engineer will own medium-sized projects end to end and contribute to architecture, observability, testing, and system evolution.

Participates in a 10–12 week manufacturing engineering internship focused on operational efficiency and continuous improvement. Responsibilities include developing automated systems, implementing and training teams on a maintenance work-order system, streamlining production tracking reports, supporting plant meetings and training, and assisting with Lean events across Terry Towel and Sheeting departments.

Build AI-powered systems for analyzing and generating iOS code, reliable backend services, scalable code-processing infrastructure, and an Xcode plugin. The role involves making architectural decisions, solving complex technical problems, and developing core features alongside the founding team. Candidates should have strong algorithms and data structures knowledge, backend or developer-tool experience, and a background in low-level systems or infrastructure. Xcode, iOS development, code analysis, and large-scale AI experience are preferred.

Develop, configure, monitor, troubleshoot, and support healthcare data interfaces connecting EHR systems to health information exchange solutions. Responsibilities include HL7v2, FHIR, and C-CDA integration, onboarding data sources, interface migrations, SQL-based data analysis, documentation, QA, system upgrades, performance monitoring, and customer/vendor coordination.

Design and scale Macroscope’s distributed backend systems, cloud infrastructure, APIs, CI/CD pipelines, observability, and production operations. Build infrastructure for large-scale LLM training, fine-tuning, and inference workloads in partnership with ML researchers. Lead architectural decisions and infrastructure projects, improving system reliability, performance, and scalability while working with Go, GCP, Terraform, PostgreSQL, Temporal, and related technologies.

Supports testing and reliability engineering for electro-mechanical systems used in autonomous vehicles and robotic automation. Responsibilities include developing test plans, building reliability fixtures and rigs, conducting life and environmental testing, analyzing failures, troubleshooting field systems, interpreting instrumentation data, and supporting manufacturing test fixtures. The role requires hands-on integration experience with robotics or autonomous vehicles and offers opportunities to grow ownership of complex safety-critical systems.