Top Remote C# Jobs in San Diego, CA

Design, develop, implement, test, and support high-quality internal software and customer-facing products. Enhance existing products and design APIs that integrate systems. Ensure security measures and perform code testing and reviews.

The role involves developing test software for optical electronic PICs, leading software architecture, automating test stations, mentoring team members, and innovating best practices.

The Principal Software Engineer leads the design and development of scalable software solutions, mentors engineers, and drives architectural decisions while collaborating with cross-functional teams.

Develop and implement mobile games using Unity for iOS and Android. Collaborate with teams on gameplay features and optimization, ensuring quality code and user experience.

Design, build, and maintain CRM+ features using C#, .NET, Vue, and SQL Server on Azure. Architect scalable services, use AI tools (Claude Code) in development, write well-tested code, mentor engineers, influence product and technical strategy, operate CI/CD, troubleshoot production issues, and collaborate cross-functionally.

Develop user interface components for ArcGIS Pro using C# and WPF, work in an agile team, and design software solutions for raster and imagery processing.

Lead full lifecycle development of high-volume enterprise web applications using C#/.NET and AngularJS. Contribute to architecture and design, develop and test scalable solutions, troubleshoot production issues, mentor developers, and collaborate with analysts and business stakeholders in an Agile/Scrum environment.

Lead design and delivery of cloud-native .NET services for a high-throughput trading platform. Own end-to-end systems, drive architecture and reliability, mentor engineers, participate in on-call and incident response, and occasionally contribute to React/TypeScript frontend work while establishing engineering standards and observability.

As a Senior Backend Engineer at Eight Sleep, you will develop and maintain back-end services and improve data processing, supporting critical business logic in distributed systems.

Build and maintain scalable, cloud-native APIs using .NET. Enhance core platform components, lead architecture and testing discussions, optimize telemetry and performance, collaborate cross-functionally, conduct code reviews, and mentor team members.

Lead end-to-end customer rollouts of an AI-native planning platform: build and maintain data integrations, create performant financial models, develop AI-driven automated test harnesses, resolve data and performance issues, ship product fixes, and partner with finance stakeholders to operationalize solutions and feed product improvements back into engineering.

Serve as a technical implementation lead for Hancock Cloud: onboard clients, configure and validate software, support and diagnose issues, create documentation and training, run data imports and scripting, coordinate tasks, and translate business needs into technical specifications.

As an AWS Solution Architect, you'll design and implement Amazon Connect solutions, improve customer processes, lead technical teams, and educate clients on AWS value.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.

Lead QA strategy and execution across game titles: author and manage test plans, coordinate with internal teams and external partners, improve automation and CI integration, maintain bug databases, evaluate and prototype AI-assisted QA tooling, and oversee certification and status reporting.

Build and optimize Azure Storage’s hyperscale distributed file system. Responsibilities include designing and implementing storage features, analyzing performance, ensuring availability, security, reliability, and durability, creating technical designs, estimating work, monitoring services on call, and improving observability and operational efficiency at scale.

Design, develop, and maintain web and mobile features using React/React Native. Build scalable backend services (C#, TypeScript, Ruby on Rails) and RESTful APIs. Work with AWS (ECS/EKS/Lambda), Terraform, Kafka/Debezium, and databases. Collaborate with product and design, follow CI/CD and best practices, and operate autonomously.

Lead end-to-end design and delivery of AI-infused, enterprise full-stack applications on Azure. Architect resilient solutions, build Copilot/agentic features, enforce engineering best practices, mentor engineers, collaborate with PM/UX teams, ensure quality/reliability, and support production services and integrations.

Develop, test, deploy, maintain, and optimize software solutions using Microsoft technologies and Azure cloud services. Collaborate with business stakeholders, architects, security, infrastructure, product, and support teams throughout the software development lifecycle. Modernize legacy applications, build REST APIs, implement automated testing, ensure PCI and HIPAA compliance, document systems, manage releases, and support production troubleshooting, monitoring, performance, and reliability.

The Senior Software Engineer will develop reliable systems for IoT fleet management, create user interfaces, and support data engineering tasks.

Develop custom engineering software solutions within NX for Aerospace and Defense Mechanical Engineering. Responsibilities include gathering user requirements, contributing to solution architecture, creating technical and business plans, delivering software on schedule, documenting designs and tests, and supporting user acceptance testing. The role requires object-oriented programming, engineering application development, technical documentation, testing, troubleshooting, and collaboration in an Agile team environment.

Lead architecture, development, integration, migration, deployment, and troubleshooting for Dynamics 365 Customer Service and Power Platform solutions. Support Genesys-to-Microsoft contact center modernization across multiple call centers, queues, agents, and business units. Build plugins, APIs, workflows, customizations, Power Apps, and automations; design Azure integrations; manage data migration and ALM practices; conduct architecture and code reviews; and mentor developers.

Owns full-stack engineering, cloud infrastructure, reliability, cost governance, legacy-to-cloud migration, and AI-assisted development for a multi-tenant ERP platform. Leads engineering, QA, contractors, release governance, customer go-lives, vendor evaluation, and executive reporting. The role requires deep TypeScript/Node and React expertise, financial-system correctness, Azure or AWS architecture, ETL and data reconciliation, CI/CD, incident response, SaaS security, and pragmatic maintenance of Java/Spring and VB6 legacy systems.

Lead and mentor DevOps engineers while designing, operating, and improving CI/CD pipelines, developer tooling, infrastructure-as-code, Kubernetes and Kafka environments, and observability solutions. Partner with architecture, security, data, development, and product teams to improve application resiliency, uptime, performance, and operational best practices across SaaS production systems.

The role involves full-stack software development, adhering to Agile practices, and collaborating across teams. Responsibilities include coding, testing, and maintaining software systems while mentoring team members.