Top C# Jobs in San Diego, CA

The Senior Software Engineer will design, build, and maintain scalable platform services at Oportun, contributing to architecture decisions, mentoring junior engineers, and improving developer productivity.

The Systems Design Engineer at Emerson T&M guides validation testing techniques, defines architectural product requirements, and collaborates with teams to innovate and optimize semiconductor validation systems.

A Senior Demo Engineer creates and improves demos of OneStream software, collaborates with teams, and provides technical support and presentations.

The Senior Software Engineer designs and develops complex features within OneStream solutions, ensuring technical excellence and mentoring other engineers. Responsibilities include architectural design, UI development, API creation, performance improvements, and collaboration across teams.

The Software Engineer I at OneStream is responsible for designing, developing, testing, and maintaining software components, collaborating with teams, and ensuring high-quality solutions within a unified Corporate Performance Management platform.

Develop, design, and maintain OneStream solution accelerators using Microsoft .NET. Lead design discussions, produce documentation and unit tests, collaborate with product and engineering, and enable partner adoption through toolkits and best-practice guidance.

Ensure platform reliability, performance, and availability by implementing observability, automating infrastructure, participating in on-call rotations and post-mortems, partnering with Product and Engineering, designing scalable architectures, mentoring teammates, and integrating Dynatrace with Azure DevOps and Jira while supporting compliance (SOC/FedRAMP).

Lead a team of engineers to develop Hudl's core products for the Competitive market. Drive technical strategy and mentor team members.

Build and maintain C#/.NET Revit add-ins and Revit-integrated desktop apps that export model data to the Stratus platform. Solve Revit-specific challenges (version compatibility, threading, performance), integrate with backend services (Azure ServiceBus), manage installers/updates, triage customer bugs, write tests, and collaborate with product and customer teams. Use AI-assisted dev tooling as part of the development workflow.

Lead architecture and technical direction for a cloud-native, multi-tenant Student Journey Platform. Design and enforce standards for Kubernetes-based AI services (AKS), event streaming, ML model serving, autoscaling, observability, and compliance. Ensure scalable, reliable, cost-efficient infrastructure, resolve architectural risks and production issues, and align platform decisions with business growth and SLAs.

Full Stack Engineer responsible for building responsive frontends (JS/TS, React preferred) and backend services (Python, Go, or Node.js/TypeScript), designing RESTful APIs, managing databases (Postgres/MongoDB), and deploying on cloud (AWS). Collaborate with teams, optimize performance, and apply DevOps practices (Docker, Kubernetes, CI/CD). Requires strong problem-solving, communication, and 3+ years of experience.

Design and build scalable applications across frontend and backend. Collaborate with teams to deliver user-friendly products and optimize system performance.

The Staff SDET will lead test automation efforts, mentor SDETs, ensure quality processes, and maintain automated test environments within a software development scrum team.

The Technical Engineering Manager coordinates cross-functional teams to ensure software delivery, mentors engineers, drives technical discussions, manages KPIs, oversees incidents, and promotes continuous improvement in a collaborative environment.

Lead design and implementation of scalable, cloud-native full-stack systems. Own features end-to-end, participate in coding, code reviews, debugging, production monitoring, and on-call rotations. Mentor engineers, improve development tools and test coverage, optimize performance, design data and caching strategies, and champion API-first integrations. Collaborate cross-functionally with product, design, and operations to maintain system health and deliver reliable SaaS solutions.

The Software Engineer will develop web applications, ensure coding standards, troubleshoot issues, work within Agile frameworks, and support production systems while adhering to Alkami's core values.

Responsible for leading and mentoring software engineering teams, driving technical discussions, ensuring high-quality software delivery, and fostering a collaborative environment while improving operational excellence.

The Technical Engineering Manager leads cross-functional teams to ensure high-quality software delivery, drives technical innovation, mentors engineers, and manages operational efficiency within the banking software sector.

The Lead Engineer will guide software engineering activities, focusing on designing, developing, and testing Configuration Tools while mentoring junior engineers and collaborating with systems engineers and other teams.

Design and develop scalable software applications, implement automated testing, mentor junior developers, and optimize performance in a remote environment.

Lead a software engineering team to build scalable, cloud-native applications while mentoring engineers and integrating AI solutions. Drive technical strategy, architecture, and best practices in DevOps and cloud systems.

As a Staff Software Engineer, you'll lead technical execution across teams, design microservices, improve cloud deployments, and mentor engineers while focusing on architecture and delivery.

Design, develop, and deploy secure, scalable software solutions; implement and automate CI/CD pipelines and testing; manage cloud infrastructure (AWS/Azure) and infrastructure automation; provide Tier III support, monitor performance and SLAs, and train teams on automation best practices.

Provide technical support and development for OSV enterprise applications. Investigate and resolve application issues, log and manage support tickets, develop and test fixes, monitor production, and produce technical documentation. Partner with development teams, product owners, and vendors to prioritize defects and deploy solutions while supporting Workday, Salesforce, SQL Server, and cloud-based integrations.

Lead and grow a distributed quality engineering team to drive test automation, CI/CD, regression and performance testing for cloud-native microservices and web applications. Establish QA best practices, integrate testing into agile delivery, own load and performance testing initiatives, and deliver quality metrics to leadership.