Top Remote C# Jobs in San Diego, CA

Design, build, and operate enterprise applications, APIs, integrations, and distributed event-driven systems using C#/.NET, React, cloud platforms, and messaging technologies. Integrate business systems, implement resilient architectural patterns, add AI capabilities, and support CI/CD, observability, security, and production troubleshooting. Collaborate with stakeholders and engineers, contribute to technical standards, lead projects when needed, and deliver reliable solutions across engineering, manufacturing, supply chain, and finance functions.

Own and improve Dropbox’s Windows endpoint platform, including provisioning, application delivery, patching, compliance, security configuration, troubleshooting, fleet health, and automation. Build code-managed endpoint operations using Intune, FleetDM, osquery, infrastructure-as-code, and GitOps practices. Lead cross-functional improvements, establish reliable deployment workflows, mentor engineers, review code and designs, and document reusable operational practices.

Deploy production software alongside military operators in restricted and air-gapped environments. Integrate core and simulation platforms with partner C2 systems and databases, write scripts, transform schemas, debug distributed systems, analyze logs, isolate failures, and convert recurring field workarounds into reusable product capabilities. Brief engineers and senior military stakeholders while translating mission needs into technical solutions.

Designs and evolves AWS infrastructure as code using CDK, develops backend software primarily in TypeScript, and applies secure engineering practices for regulated environments. The role contributes to architecture, code reviews, CI/CD pipelines, production support, observability, and on-call operations. It collaborates cross-functionally, builds scalable and reusable systems, supports SOC 2 compliance, and uses AI coding assistants to improve development, testing, and documentation.

Develop and maintain C#/.NET software for electric and gas distribution engineering tools. Implement features, fixes, integrations, tests, and CI/CD automation while configuring enterprise systems for customer needs. Collaborate in Scrum, participate in reviews, reduce technical debt, document processes, and mentor teammates. The role may involve GIS or Enterprise Asset Management integrations and requires strong software development experience in utility or energy infrastructure environments.

Leads architecture and hands-on development of scalable backend systems and APIs supporting real-time applications. Owns the engineering lifecycle, writes high-performance code, establishes testing and reliability practices, resolves production issues, guides technical roadmaps, collaborates cross-functionally, and mentors engineers. The role requires expertise in object-oriented backend development, distributed cloud systems, automated testing, system monitoring, and technical leadership.

Design and evolve the architecture of DraftKings’ regulated prediction-markets exchange. Own the technical roadmap, distributed-system foundations, scalability, reliability, performance, operational health, and resilience testing. Collaborate with product, infrastructure, platform, brokers, market makers, and clearing partners. Contribute hands-on to critical systems, guide design standards, mentor engineers, and implement AI tooling and guardrails for engineering workflows.

Develop scalable test automation frameworks, QA tools, and intelligent testing systems using Playwright, C#, and JavaScript/TypeScript. Integrate automated testing into CI/CD pipelines, build end-to-end, integration, and performance solutions, and apply AI techniques to improve test generation and defect detection. Partner with engineering and QA teams, troubleshoot reliability issues, contribute to test strategy, and mentor colleagues on automation and modern testing practices.

Develop and maintain enterprise digital experiences across Sitecore XP, XM Cloud, and Content Hub. Responsibilities include backend C#/.NET development, frontend implementation, content modeling, integrations, headless architectures, CI/CD deployments, platform upgrades, legacy migrations, troubleshooting, and performance tuning. The role also requires collaboration with editors, marketers, and stakeholders across complex, potentially multi-brand Sitecore environments.

Designs and improves automated testing frameworks, writes production-quality test code, and integrates quality engineering throughout the software development lifecycle. Responsibilities include UI, API, unit, integration, end-to-end, performance, security, and database testing for distributed systems. Partners with cross-functional teams, participates in design and code reviews, translates requirements into solutions, and mentors junior engineers.

Design, implement, and optimize gameplay mechanics and systems. Collaborate with designers, artists, and developers to troubleshoot and refine code, optimize performance across platforms, and maintain clean modular code while staying current with game technologies.

Lead the DevOps team for WWE 2K by defining technical strategy and building reliable development and production infrastructure. Responsibilities include designing CI/CD pipelines, deployment automation, cloud and containerized environments, developer tooling, observability, documentation, and operational standards. The role also requires cross-team collaboration, technical leadership, and improving workflows across a distributed game development studio.

Leads a distributed engineering team while contributing hands-on to Azure software development, observability services, cloud architecture, and production reliability. Responsibilities include technical direction, coding, design reviews, customer engagements, incident response, on-call operations, reusable engineering assets, cross-team initiatives, and people development. The role translates customer needs into Azure platform improvements and balances delivery, engineering strategy, service resilience, and talent development.

Design, develop, customize and maintain enterprise Sitecore solutions (versions 9/10, SXA, JSS, XM Cloud). Produce technical specs, implement components, test and debug in test and production, support teammates, perform demos to customers, and escalate/resolve issues.

Design, build, deploy, and operate large-scale, highly available distributed systems for Twilio SendGrid. Improve scalability and security, implement reliable components, add monitoring, automate processes, and collaborate with product and engineering to deliver customer-focused features.

Provides technical leadership for architecture and evolution of large-scale distributed data platforms supporting Azure network telemetry. Designs streaming and batch systems, establishes reusable engineering patterns, drives cross-team technical strategy, and owns capabilities from design through production operations. Ensures scalability, reliability, security, performance, data quality, and operational excellence while mentoring engineers and influencing technical leaders. The role also involves architectural reviews, dependency management, risk reduction, and applying AI or machine learning approaches to operational systems.

Leads architecture, hands-on software development, deployment, and production issue resolution for strategic customer projects. Drives AI innovation, platform resiliency, security, observability, performance, and operational improvements. Partners with executives, engineering, product, and customer success teams to prioritize strategic programs, improve customer value, share technical best practices, and remove production blockers.

Lead technical strategy and architecture for Azure Storage geo-replication, data protection, failover orchestration, and business continuity. Drive cross-team delivery, operational excellence, telemetry, automation, AI-assisted operations, and represent the team in executive and customer engagements.

Provides principal-level technical leadership for scalable learning and skilling platforms. Designs architectures, writes and reviews production software, leads full software lifecycles, and applies Azure, AI, Copilot, Power Platform, and custom solutions. Responsibilities include secure integrations, CI/CD, infrastructure as code, testing, observability, production support, Responsible AI, reusable components, cross-team technical alignment, and engineering mentorship.

Develops, tests, debugs, and documents software for the Sea Hawk Eye Emitter Library Development program. Responsibilities include analyzing user and system needs, creating autonomous services, desktop and web applications, scripts, and utility programs, collaborating with subject matter experts, resolving software issues, preparing operating instructions, and ensuring software standards. The role requires knowledge of software development, databases, scripting languages, Agile/Scrum, and Git, with the ability to obtain a Secret clearance.

Lead the evolution of Azure infrastructure toward Kubernetes-based, microservices-oriented systems. Design reliable and scalable cloud infrastructure, observability, networking, CI/CD pipelines, and Infrastructure-as-Code. Drive incident response, cost optimization, capacity planning, performance improvements, and automation while partnering with engineering and data teams. Document best practices, mentor colleagues, and support platform strategy in a healthcare environment with PHI, access control, and audit requirements.

Design, develop, and architect enterprise applications using Microsoft Power Platform, including Power Apps, Power Automate, Power Pages, and Dataverse. Integrate enterprise data sources, build custom plugins and APIs, implement secure architectures, and establish ALM and deployment practices. Lead and mentor a team of developers, collaborate with stakeholders and technical teams, participate in Agile ceremonies, and present technical solutions.

Leads the design, development, and maintenance of complex backend software systems. Owns significant features end to end, makes architectural decisions, improves scalability and performance, ensures code quality, mentors engineers, and collaborates with cross-functional teams. Builds production-ready C# and .NET APIs within microservices and containerized environments, using cloud databases and services. Participates in code reviews, testing, debugging, and continuous improvement.

Leads software design and development for Windows Core OS services and platforms. Partners with stakeholders to define requirements, identifies dependencies, creates design documents, and mentors engineers in producing maintainable code. Drives cross-product project and release planning, serves as a designated responsible individual, participates in on-call operations, and improves system availability, reliability, observability, efficiency, and performance.

Own and evolve Swyfft’s partner-facing insurance API, including resource design, versioning, backward compatibility, authentication, rate limiting, error handling, metrics, documentation, and contract testing. Build production C# code, maintain the translation layer between public APIs and internal systems, support partner integrations, and collaborate with QA and product. The role requires substantial public API experience, strong API security and multi-tenancy knowledge, and fluency in C#, ASP.NET Core, SQL Server, and Azure.