csharp jobs in San Diego

Sr Staff Software Engineer leading architectural vision and long-term evolution of medication supply chain management software platforms. Responsible for defining scalable, resilient system architectures, guiding multiple development teams, driving technology decisions, and ensuring alignment with enterprise standards.…See more Will own architecture roadmaps, conduct design reviews, balance availability/scalability/security/compliance requirements, and mentor senior engineers. Requires 10+ years R&D experience, proficiency in Go or C#, React, Java, and cloud architecture (AWS/GCP/Azure), with healthcare domain and regulated-environment experience preferred.

As a Software Engineer I, you will develop software that integrates with hardware, control systems, and user interfaces as part of a cross-disciplinary engineering team. You will design and build reliable, scalable applications using modern design patterns and asynchronous programming, with responsibilities including unit and integration testing, debugging, and technical documentation.…See more The role requires a BS in Computer Science or related field and 0–2 years of software development experience, with proficiency in .NET, C#, or C/C++, plus hands-on UI framework experience (WPF, WinUI, Avalonia, Blazor).

As a Backend Software Engineer at Deloitte's Tax Transformation Office, you will design, develop, test, and deploy custom backend applications and services using .NET technologies. You'll write clean, scalable code; collaborate with onshore and offshore teams in an agile environment; participate in daily SCRUM ceremonies; and support production issues.…See more The role requires hands-on experience with C#, SQL Server, microservices architecture, .NET Core, ASP.NET Core Web APIs, Entity Framework, and Azure, along with familiarity with development standards, version control, and agile methodologies.

A senior backend software engineer role focused on designing, developing, and deploying custom enterprise applications for Deloitte's Tax Transformation Office. The engineer will write clean, scalable code in .NET and C#, collaborate on software architecture, manage deployments with infrastructure teams, and support production systems while working in an agile environment.…See more Required experience includes 3+ years hands-on with C#, SQL Server, microservices, and 1+ year with .NET Core, ASP.NET Core, Azure, and design patterns.

Design and build a headquarters-level SharePoint collaboration site for the Naval Surface Forces Pacific Public Affairs Office, including custom templates, taxonomy, workflows, and front-end customization. Responsibilities span site branding, master pages, web parts, display templates, modern pages, and migration projects using tools like Metalogix, AvePoint, and ShareGate.…See more Required experience includes recent work on higher-echelon SharePoint implementations (both on-premise and online/Office 365 environments) with expertise in SharePoint Designer, .NET, C#, JavaScript, PowerApps, Flow, and Microsoft Graph.

Lead software testing for web applications and instrument systems built with C# and TypeScript. Design and implement both automated and manual test strategies, build verification frameworks, and integrate test suites into CI/CD pipelines.…See more Own quality metrics, identify risks, and mentor junior engineers in testing methodologies and automation practices. Requires 5+ years of QA/SDLC experience, 5+ years of software development in C#, Java, JavaScript, or TypeScript, and hands-on expertise with automation frameworks like Playwright, Cypress, and Selenium.

Seeking a Senior .NET Full-Stack Developer with 7+ years of hands-on experience across .NET technologies (C#, .NET Core, ASP.NET MVC, Web API, Entity Framework) and 5+ years of modern front-end development (Angular, React, or Vue.js). The role requires expertise in cloud platforms (Azure, AWS, or GCP), integration technologies (RESTful APIs, SOAP, microservices, message queues), and databases (SQL Server, MySQL, PostgreSQL, NoSQL).…See more This is a full-time, on-site position in San Diego focused on enterprise-level full-stack application development and deployment.

Senior Software Development Engineer in Test (SDET) responsible for designing, developing, and maintaining test automation frameworks and code for web applications using C#, Python, and Selenium. The role involves creating shared libraries and tools to increase team productivity, conducting functional/integration/E2E testing, and recommending technical strategies to enhance product quality.…See more Requires 5+ years of software development experience, strong proficiency in modern programming languages, SQL database knowledge, and familiarity with the Microsoft technical stack (Visual Studio, Azure, DevOps, .NET, SQL Server).

Senior Software Engineer with 6+ years of experience designing and building enterprise-scale applications using .NET, C#, React, and Azure. You'll modernize legacy platforms, implement microservices and event-driven architectures, develop full-stack solutions across a proprietary LMS, and drive CI/CD and platform reliability initiatives.…See more You'll also mentor engineers, establish development standards, and contribute to long-term technical strategy while balancing immediate business priorities with engineering excellence.

As a Systems Engineer II at Raytheon, you will integrate hardware and software systems, develop test plans and procedures, debug system functions and interfaces, and verify requirements through lab and field testing. You will support the full product lifecycle from development through deployment, collaborating with multi-disciplinary engineering teams on integration, test, and troubleshooting activities.…See more The role involves functional analysis of test data, root cause analysis, system qualification, and preparation of performance evaluations using tools like MATLAB. A Master's degree in STEM is required, along with hands-on experience troubleshooting technical issues and familiarity with test equipment; C/C++/C#, Python, and data analysis skills are preferred.

UI/UX Engineer role combining user-centered design with front-end development for modeling and simulation software tools. Responsibilities include gathering requirements, creating wireframes and prototypes, designing user experiences across the product lifecycle, and writing clean front-end code in React, C++/C#, Rust, or Python.…See more The role requires a Bachelor's in Computer Science or related field plus 3+ years of UI/UX design and front-end web development experience, with strong visual design skills, OOP knowledge, and the ability to communicate with diverse stakeholders.

Senior full-stack .NET developer role requiring 7+ years of hands-on experience with C#, .NET Core, ASP.NET MVC, Web API, and Entity Framework, plus 5+ years of modern front-end development with Angular, React, or Vue.js. The role demands expertise in cloud platforms (Azure, AWS, GCP), integration technologies (REST APIs, SOAP, microservices, message queues), and containerization (Docker, Kubernetes).…See more Responsibilities include full-stack development, cloud-based application deployment, CI/CD pipeline work, and enterprise-level system integrations on an on-site basis in San Diego.

As a Systems Engineer I, you will integrate hardware and software components, develop and execute test plans, debug system interfaces, and verify requirements throughout the product lifecycle. You'll support engineering activities including testing, troubleshooting, functional analysis, root-cause investigation, and system integration across lab and field environments.…See more The role requires hands-on use of test equipment (oscilloscopes, spectrum analyzers), analysis tools like MATLAB, and collaboration with multi-disciplinary teams to ensure products meet specifications before customer delivery.

Associate Software Engineer at L3Harris developing embedded software for real-time control of advanced tactical radio equipment. Responsible for full software development lifecycle phases including requirements analysis, design, implementation, integration, and testing of embedded systems running on real-time operating systems.…See more Will work cross-functionally with hardware and systems engineers, develop test procedures and documentation, and utilize multiple programming languages (C++, C#, C, Java, Python, etc.) on embedded platforms including VxWorks, Linux, QNX, and others. Requires a Bachelor's degree in computer science, computer engineering, software engineering, or related field completed within the last 12 months.

Design and build production AI systems integrated into enterprise workflows, owning the full stack from APIs and backend services through cloud infrastructure, data pipelines, and AI components. Lead multidisciplinary engineering teams, make architectural decisions across cloud platforms (AWS, Azure, GCP), containers, serverless, and infrastructure-as-code, while building agentic systems with tools, memory, and safety controls.…See more Own DevSecOps practices including CI/CD automation, security scanning, and incident response. Require 5+ years of production software engineering, full-stack development across multiple layers, hands-on experience with a major cloud platform, and proficiency in languages like Java, Python, Go, TypeScript, or C#.

This Enterprise Application Engineer will administer and optimize the firm's Elite 3E Time Management and Financial system, along with supporting enterprise applications across finance, accounting, and practice management. The role involves designing SQL queries and scripts, building API integrations, automating workflows with Power Automate, managing Azure-based systems and Windows/SQL Servers, and troubleshooting complex application issues.…See more Required skills include advanced Microsoft SQL Server knowledge (query development, DBA-level tasks, performance tuning), API integration and scripting (PowerShell, C#), Azure enterprise applications (app registrations, Azure AD, authentication), and Power Automate automation. The candidate will work independently and cross-functionally to ensure system stability, performance, and continuous improvement.

This is a hands-on Solution Architect role for an AI-enabled Managed Services team, requiring deep technical expertise in designing end-to-end application architectures spanning UI, APIs, services, data, and AI components. The role combines hands-on coding and prototyping with architecture ownership, emphasizing active participation in codebases, AI tool evaluation, and guiding engineering teams through complex technical decisions.…See more Key responsibilities include designing reference architectures for AI patterns (RAG, vector search, prompt orchestration), defining non-functional requirements (performance, reliability, security), architecting CI/CD pipelines, and ensuring production readiness. The ideal candidate has 8+ years of software engineering experience, strong cloud-native and modern application architecture knowledge, practical AI feature development, and comfort working directly in code and infrastructure.

Software Quality Assurance Engineer responsible for designing and executing comprehensive test strategies for electro-mechanical equipment and associated software applications. The role involves creating and maintaining C#-based test automation scripts, performing functional and regression testing on production-representative equipment, identifying and documenting software defects in Jira, and collaborating with development teams to drive issues to closure.…See more Candidates must analyze test data using SQL, estimate testing effort, investigate root causes across software/hardware/integration domains, and mentor junior QA staff. The position requires a Bachelor's degree in engineering and 2–6 years of QA experience in Windows-based product development, with at least 2 years testing electro-mechanical systems.

The Solution Architect I designs and documents cloud-native solutions using Azure and .NET, bridging business requirements with technical execution. This early-career role partners with engineering, product, and DevOps teams to translate needs into scalable, secure architectures while guiding implementation.…See more Responsibilities include creating architecture artifacts (diagrams, ADRs, specifications), applying modern patterns (API-first, event-driven, agentic AI), and ensuring solutions meet reliability, observability, security, and cost goals. Required: 3–5 years in software development or systems engineering, hands-on Azure and .NET experience, understanding of DevOps/CI/CD and observability principles.

Software Engineer Specialist with 5+ years of experience in software engineering, focusing on C# development and tactical awareness systems. The role involves analyzing user needs, designing and developing software solutions, enhancing existing capabilities, and integrating hardware/software systems.…See more Specific expertise required in TAK (Tactical Awareness Kit) ecosystem development, including WinTAK/ATAK plugins, TAK Server plugins, and STANAG 4817 compliance over COT messaging, plus experience with MK 18 software products (Hydroid VIP, Neptune, Coin Nexus).

Design, develop, and maintain database-driven applications using C#, VB.NET, ASP.NET, and .NET Framework/Core to support day-to-day operations at a sign manufacturing company. Responsibilities include SQL Server database design and optimization, migrating Crystal Reports to SSRS, building and maintaining ETL processes, troubleshooting performance issues, and collaborating with cross-functional teams on system enhancements.…See more Strong expertise required in .NET development, SQL Server performance tuning, and reporting tools.

A Software Engineer Specialist will research, design, and develop computer and network software, analyzing user needs and applying computer science and engineering principles to create solutions. The role requires 5+ years of software engineering experience with specific expertise in C#, TAK (Tactical Assault Kit) ecosystem development including STANAG 4817 compliance, WinTAK and ATAK plugins, and MK 18 software products (Hydroid VIP, Neptune, Coin Nexus).…See more The engineer will update and enhance existing software capabilities, maintain databases, and collaborate across functional disciplines to integrate hardware and software systems.

Support and enhance SAP Business Warehouse (BW) 7.5 on HANA 2.0 and Business Objects (BOBJ) 4.2 reporting infrastructure for a complex enterprise environment. Develop BW data models, cubes, DSOs, and transformations; create BOBJ reports and dashboards; and provide architectural guidance on data warehousing and reporting solutions.…See more Requires 5+ years of hands-on experience with SAP BW, BOBJ, HANA, and EUNA Budget, with functional knowledge spanning HCM, Finance, Logistics, EAM, and utilities.

Software Engineer I will design and develop software that integrates with hardware, control systems, and user interfaces as part of a cross-disciplinary engineering team. The role requires proficiency in .NET, C#, or C/C++ with hands-on experience building user interfaces using frameworks like WPF, WinUI, Avalonia, or Blazor.…See more You will apply modern design patterns (OOP, MVVM, Producer/Consumer), implement asynchronous programming, and validate software through unit and integration testing. The position offers exposure to optics, structural, thermal, and coupled-analysis systems in a hybrid San Diego environment.

Senior AI/ML Engineer responsible for shipping end-to-end production ML systems that enable autonomous medical coding in a SaaS platform. Will design robust ML architectures with low-latency inference, build reliable data and model pipelines using modern MLOps practices (CI/CD, model registries, experiment tracking), establish evaluation strategies with statistical rigor, and implement model observability and governance including drift detection and bias assessments.…See more Requires 5+ years of industry experience building and operating ML systems in production, 3+ years with C# or Python, 3+ years on Azure, and 1+ years of LLMOps expertise including prompt engineering and RAG.