Top Linux Jobs in San Diego, CA

Design and maintain reusable automation frameworks across mobile, API, backend, cloud, container, and data layers. Build Appium and Android automation, validate REST APIs and AWS/S3 workflows, integrate tests into CI/CD pipelines, investigate failures, and improve reliability, coverage, reporting, and maintainability. Collaborate with engineering and product teams, document solutions, and transfer knowledge to internal quality engineering teams. This is an on-site contractor role in Irvine, California.

Designs, builds, and operates secure, scalable Azure infrastructure and shared platform services. Responsibilities include Azure landing zones, networking, identity, governance, PaaS, containers, Infrastructure as Code, CI/CD, automation, observability, security controls, and reusable deployment frameworks. Partners with engineering, data, security, and risk teams to deliver foundational cloud capabilities, operational excellence, and standardized Azure adoption patterns across a regulated enterprise.

Designs, develops, integrates, tests, documents, and maintains safety-critical embedded hardware and software for onboard railway signaling and automatic train operations. Participates in requirements, design, implementation, and verification activities; develops low-level requirements and test documentation; debugs software; and collaborates with senior engineers and project personnel.

Owns the architecture, development, performance, reliability, and governance of OLTP databases supporting clinical and operational applications. Designs schemas and data models, optimizes SQL and ORM access in Python/Django services, establishes database operations and disaster recovery practices, and guides cross-team architectural decisions. The role also supports healthcare compliance, semantic data modeling for AI systems, and data lake integration on AWS.

Own the architecture and development of critical backend and cloud platform domains. Design scalable, secure, multi-tenant distributed systems on AWS, including event-driven services, APIs, data models, and AI/ML infrastructure. Lead major initiatives from design through release, align cross-functional stakeholders, establish engineering standards, mentor engineers, and drive reliability, observability, security, and cost-efficiency improvements.

Own the architecture, administration, governance, integrations, automation, and operational health of the enterprise Atlassian Cloud ecosystem. Manage Jira, Confluence, and related platforms; develop integrations with Salesforce, Workday, Teams, and Copilot; monitor platform health; administer licenses; document technical decisions; and mentor junior administrators. Advise stakeholders on feasibility, risk, and implementation while maintaining reporting and configuration standards.

Designs and develops real-time embedded system software for audio platforms. Responsibilities include Linux and U-Boot bring-up, board and hardware debugging, BSP and vendor SDK integration, HAL development, device driver work, system testing, performance optimization, and platform modernization. The engineer collaborates with silicon and component vendors and supports hardware teams across ARM SoCs, microcontrollers, radios, peripherals, and operating system boundaries.

Develop and deploy full-stack applications using Blazor WebAssembly, C#, .NET, Azure, HTML, CSS, and JavaScript. Design accessible, responsive user experiences, integrate APIs and backend services, implement secure role-based access, optimize performance, and collaborate with customers, UX architects, engineers, and QA teams. Document technical decisions, contribute to reusable components and design systems, support testing and production delivery, and track project hours in Kantata.

Design, develop, and sustain distributed, containerized microservices and real-time data pipelines. Collaborate with scientific users, ensure scalability and reliability of messaging systems, lead Agile practices, mentor engineers, champion testing and documentation, and support program risk reduction and deployment.

Develop and maintain Salesforce solutions across Sales, Service, and Experience Clouds. Build Apex, Lightning Web Components, Aura, Visualforce, automations, and integrations using REST, SOAP, and MuleSoft. Translate business requirements into technical designs, apply Salesforce security and governor-limit best practices, conduct code reviews, troubleshoot issues, reduce technical debt, and optimize platform performance and scalability.