Top Entry Level C# Jobs in San Diego, CA

The Quantitative Developer will assist with client onboarding, support, implement and maintain new functionality for portfolio compliance, and improve team documentation.

Develops software solutions using React and TypeScript, writes clean reusable code, contributes to major React projects, and uses Git for version control. The role supports a Navy customer in a digital transformation environment and may involve front-end and back-end technologies, Scrum practices, databases, and agile delivery. A US Secret security clearance must be obtainable.

Analyze and troubleshoot mainframe JCL batch workloads, schedules, CICS environments, and related configurations. Convert legacy batch jobs into PowerShell scripts for Azure, automate recurring cloud batch processing, optimize concurrency and performance, and maintain secure PowerShell modules. Document business requirements, collaborate with stakeholders and cross-functional technical teams, and support mainframe-to-cloud migration projects using Agile practices.

Remote software engineer contributing to technical design, developing and maintaining applications (primarily C# and SQL; Python/Golang/React optional), writing clean code, reducing technical debt, debugging and performing root-cause analysis, creating test plans/scripts, supporting releases, and mentoring teammates to ensure software quality and reliability.

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.

Lead the Windows engineering team responsible for ProPresenter desktop software. Own hiring, coaching, performance management, team health, delivery, throughput, cross-functional execution, and continuous process improvement. Provide technical judgment on C#/.NET desktop development and native interop while partnering with product, design, QA, support, and other engineering teams. Promote high-quality, maintainable software, effective AI-assisted development, and outcomes that serve live production operators.

Execute scheduled, ad hoc, and release-milestone software tests; review test cases; report defects in issue-tracking systems; communicate status in standups; and collaborate with software test managers and development teams. The role requires knowledge of QA methodologies, black-box, grey-box, and white-box testing, strong communication and organization, independent and team-based work, and participation in planning and professional meetings.

Design, develop, and maintain integrations, SharePoint Online sites, and AI-driven automation. Build data pipelines (SSIS/SSRS/SQL), Copilot Studio agents, and custom solutions (C#, .NET, PowerShell). Ensure secure Azure-hosted environments, troubleshoot integrations, and collaborate with stakeholders to deliver scalable workflows.

Perform civil/structural engineering and design tasks for power plant upgrades and new projects under senior supervision. Assist with calculations, modifications, equipment walkdowns, and design changes to improve plant performance, safety, and reliability. Work involves field and office duties, travel to client sites, and maintaining unescorted nuclear plant access.