Top C# Jobs in San Diego, CA

Leads and develops a software engineering team while contributing hands-on to enterprise application design, coding, testing, code reviews, production support, and technical decisions. Builds scalable solutions using C#, ASP.NET, SQL Server, and modern web technologies; partners with product and business stakeholders; supports Agile delivery, CI/CD, troubleshooting, root cause analysis, and engineering best practices. The role also includes mentoring engineers, monitoring delivery and operational metrics, and driving continuous improvement.

Architect and build high-throughput backend systems for Filevine’s legal technology platform using .NET, DDD, event sourcing, MartenDB, Wolverine, and PostgreSQL. Own features end to end, including domain modeling, APIs, testing, observability, CI/CD, and production monitoring. Mentor engineers, optimize system resilience and performance, and collaborate with product, UX, and legal experts to translate complex workflows into scalable software.

Join Azure PostgreSQL to design, implement, and test features in a relational database engine (query processing, logging, storage, IO, scale-out). Collaborate with stakeholders, write maintainable code, define test plans, operate live services (on-call), and contribute to open-source PostgreSQL and Linux.

Develop and implement enterprise Microsoft Dynamics 365 and Power Platform case management solutions. Responsibilities include gathering requirements, designing architectures, developing integrations and customizations, supporting data migration, testing and deployment, creating technical documentation, mitigating risks, and delivering client demonstrations. The role requires collaboration with clients, architects, project leads, and business analysts, as well as occasional travel to customer locations.

Design, develop, customize, integrate, test, and deploy Microsoft Dynamics 365 and Power Platform case management solutions. Gather technical requirements, create architectures and implementation plans, support data migration and custom code, conduct client demonstrations, document risks, and improve development and release processes. Collaborate with clients, architects, project leads, and business analysts while traveling to customer locations as needed.

Design, develop, and deploy Microsoft Dynamics 365 and Power Platform case management solutions. Responsibilities include requirements gathering, architecture, CRM customization, integrations, data migration, testing, technical documentation, client demonstrations, risk mitigation, and improving development and release processes.

Develop and implement enterprise Microsoft Dynamics 365 and Power Platform case management solutions. Responsibilities include gathering requirements, designing architectures, building integrations and customizations, managing data migration, testing and deployment, creating technical documentation, mitigating risks, and presenting solutions to clients. The role collaborates with project leads, architects, business analysts, and customers, with travel to customer locations as needed.

Develops, tests, deploys, and supports attended and unattended UiPath RPA automations. Works with stakeholders to analyze processes, gather requirements, identify automation opportunities, and translate needs into technical solutions. Builds database and API integrations using SQL and programming languages, applies web technologies for browser automation, and maintains documentation. Troubleshoots automations, supports Agile and Waterfall development, participates in testing and project planning, and provides operational status updates.

Build and maintain Azure DevOps CI/CD pipelines, manage Octopus Deploy releases, configure Azure infrastructure, and develop C# code. Diagnose performance and production issues across applications, databases, pipelines, and infrastructure. Improve observability through logging, metrics, and alerting; conduct code reviews; troubleshoot complex problems; and collaborate with engineering and product teams to plan and deliver releases.

Build edge-focused full-stack product experiences integrating machine learning and autonomy for frontline defense users. Collaborate with designers, infrastructure teams, product teams, and ML engineers to create intuitive applications, efficient edge-deployed application stacks, and internal modeling APIs. Develop maintainable software using strong engineering practices, including design documents, code reviews, and style guides.

Design, build, and operate cloud-native, enterprise-grade SaaS services on Azure. Lead architecture and design, develop APIs and UIs, apply AI-enabled engineering tools, ensure observability, support production incidents, and drive reliability, performance, and CI/CD improvements across teams.

Lead architecture and roadmap for Azure PostgreSQL systems; design and review scalable, maintainable database engine features (query processing, storage, transaction logging, recovery, versioning, IO, scale-out). Influence coding standards and run code reviews, write proof-of-concept or production code, contribute to open-source PostgreSQL/Linux, and participate in rotational on-call operations.

Leads cross-functional software development efforts, including architecture, design, development, testing, deployment, support, code reviews, and technical problem resolution. Mentors developers, establishes coding standards, improves system scalability and availability, manages source code, promotes unit testing, estimates work, and supports Scrum team delivery. The role requires .NET, web development, APIs, microservices, distributed systems, cloud, databases, and software testing experience.

Leads the enterprise architecture practice and owns the organization’s three- to five-year technology vision, strategy, governance, and roadmaps. Advises executives and the board on technology investments, risk, architecture, and major partnerships. Oversees architecture standards, cross-domain decision-making, technology evaluations, due diligence, and platform strategy. Mentors architects across application, data, infrastructure, security, and enterprise domains while advancing organizational architecture maturity, scalability, compliance, security, and cost efficiency.

Lead the migration from legacy Azure services to a Kubernetes-based, containerized microservices platform. Design, build, and scale infrastructure, implement observability (monitoring/alerting/logging), drive incident response and SLOs, automate with IaC and CI/CD, optimize cost and networking, mentor teams, and document systems to ensure reliable, scalable healthcare platform operations.

Supports and enhances software, data, reporting, integration, and internal systems. Responsibilities include troubleshooting applications and data pipelines, maintaining SQL and Power BI environments, writing code, debugging APIs, supporting deployments and incident response, documenting solutions, working helpdesk tickets, and applying approved AI tools securely. Collaborates with engineers, analysts, developers, and business stakeholders to resolve issues, automate work, improve systems, and reduce operational burden.

Develop and maintain ChartCheck, a full-stack application supporting radiotherapy plan checking and clinical workflows. Responsibilities include building performant WPF desktop software, DICOM integrations, image and dose visualization, DVH evaluation, architecture, testing, code reviews, and technical decision-making. The role collaborates with physicists and product leaders, mentors teammates, and requires front-end and back-end development across C#, .NET, JavaScript, databases, and cloud systems.

Develop and maintain cross-platform build, packaging, and release pipelines for AAA games across consoles and mobile platforms. Bring engines up on new hardware, manage SDK upgrades, resolve low-level crashes and memory issues, and evolve internal tools for profiling, metrics, and data packaging. Lead infrastructure modernization, maintain build automation, and coordinate branch integration across engineering, QA, and production teams.

Designs, develops, tests, documents, and integrates algorithms and software for intraoperative neuromonitoring medical devices. Responsibilities include machine learning model development using clinical data, software architecture, application development, root-cause analysis, cross-functional product collaboration, and full lifecycle ownership of algorithm projects. The role requires compliance with FDA regulations, ISO 13485, and related medical-device standards, with travel up to 10%.

Design, build, test, and operate production-grade, secure, and scalable software and services. Partner with customers to translate requirements into technical designs, drive engineering best practices (CI/CD, testing, observability), deliver end-to-end solutions, lead technical workstreams, and apply AI/LLM approaches where appropriate to produce production-ready outcomes.

Leads major technical initiatives while designing enterprise identity systems, authorization models, and scalable multi-tenant SaaS architecture. Builds platform components with .NET/C# on AWS, improves data pipelines, resolves complex production issues, and shapes the technical roadmap. Mentors engineers, drives architecture and reviews, coordinates across teams, and supports security, compliance, automation, and continuous platform improvement.

Build and modernize large-scale software factories across multiple programs. Integrate and automate continuous build, integration, testing, and deployment pipelines using DevOps tools, containers, orchestration, and modern software development practices. Collaborate with software teams, chief engineers, and program stakeholders in an onsite, fast-paced environment. The role requires obtaining and maintaining Top Secret and Special Access Program access.

Develop and maintain mission-critical full-stack software for a DoD program. Build Java Spring Boot microservices, React applications, REST APIs, WebSocket features, and RabbitMQ integrations. Manage databases, CI/CD pipelines, Kubernetes deployments, automated testing, Git workflows, technical documentation, and Agile tasking. Provide code reviews, architectural input, technical leadership, and mentorship to junior developers. The role requires an active Top Secret clearance, U.S. citizenship, and approximately 10 weeks of travel annually.

Develops, tests, documents, enhances, and maintains software solutions using Appian and related technologies. The role includes application development, process modeling, system integration, security remediation, performance improvement, user story analysis, technical documentation, and collaboration within an Agile software development team.

Develops, tests, documents, enhances, and maintains software solutions using Appian and related technologies. Designs integrations with external systems, resolves technical issues, remediates security vulnerabilities, improves performance, participates in requirements analysis and Agile development processes, and documents standards. The role also contributes to planning, mentors other engineers, collaborates with team members, and stays current with software development practices and technologies.