dotnet jobs in San Diego

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 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.

Full-Stack Software Engineer responsible for designing and building an on-premises AI server project focused on privacy for defense applications, with end-to-end ownership from planning through development, testing, deployment, and production support. Must be proficient in one backend language (Go, Rust, Python, C#/.NET, or Node.js), frontend frameworks (React or Vue), and Linux/Docker, with hands-on experience managing GPU workloads, LLM and image generation models, and networking/security.…See more This is a 100% onsite, full-time role in San Diego with significant technical decision-making authority over system architecture and quality.

Senior Staff Software Engineer responsible for architecting and leading Intuit's Virtual Expert Platform (VEP), an agentic AI customer success system that serves Customer Success Managers, onboarding specialists, and partner teams. The role requires deep hands-on development (50–70%) alongside strategic architecture work, designing multi-agent systems end-to-end, establishing technical standards and AI safety frameworks, and driving complex cross-team technical problems to resolution.…See more This engineer will define observability and guardrail patterns for AI in production, mentor senior engineers, and influence product roadmap strategy with senior business leaders.

This is a paid summer internship for undergraduates or graduate students to design, develop, and enhance automated test frameworks and AI-powered testing solutions for medical device software. The role involves developing automation scripts in languages like C#, Python, or Java; supporting AI agents and generative AI/ML technologies for test automation; executing test suites and analyzing results; and troubleshooting software, hardware, and integration issues across cross-functional teams.…See more Candidates should have at least 3 years of study in Computer Science, Software Engineering, or related fields, with hands-on experience in one or more programming languages and source control systems.

Qualcomm seeks a Windows Performance Engineer to analyze and optimize software running on Windows for Snapdragon devices, working across multiple software layers including the OS kernel, compilers, drivers, and CPU microarchitecture. The role requires implementing performance optimizations while managing power consumption trade-offs, developing analysis tools, and collaborating with internal teams and external partners.…See more The ideal candidate will have deep expertise in C/C++, ARM assembly, CPU and memory architecture, and experience with Windows performance profiling tools like WPA.

Build and ship production ML systems end-to-end for autonomous medical coding in a SaaS platform, from problem framing through deployment and monitoring. Own the full lifecycle—data discovery, feature engineering, training, evaluation, and iteration—working with LLMs, deep learning, and modern MLOps tooling to handle millions of medical charts daily.…See more Design robust, low-latency architectures, establish rigorous evaluation strategies, and implement model observability, drift detection, and bias assessments. Collaborate across product, data, and platform teams to translate business goals into measurable ML outcomes.

Peraton seeks undergraduate and graduate software engineering co-ops to build and prototype software for San Diego County departments from January through August 2027. You'll write code using Python or Java, apply modern AI tools and AWS cloud services, and contribute to real projects modernizing public-sector services through rapid prototyping.…See more The role requires object-oriented programming experience and Git version control, with exposure to generative AI APIs, AWS services (Bedrock, CodeCommit, Lambda), and agile tools like JIRA considered valuable.