dotnet jobs in San Diego

Software Developer III will design, develop, test, integrate, and deploy software for the Application Arsenal platform, translating user stories and operational requirements into secure, maintainable solutions. The role requires hands-on coding in languages like Python, Java, C#, Go, or C++; implementing modern architectural patterns (microservices, event-driven, serverless); and managing the complete software delivery lifecycle including CI/CD pipelines, automated security testing (SAST, DAST, SCA), and containerization.…See more The developer will support Kubernetes and cloud deployments, troubleshoot issues across laboratory and operational environments, and collaborate with systems engineers, cybersecurity teams, and government stakeholders. An active Top Secret or TS/SCI clearance with Tier 5 investigation, Security+ certification, and minimum 5 years of Agile software development experience are required.

Senior Software Engineer responsible for designing and implementing user-facing web, PC, and mobile applications for TrellisWare's wireless communication products. You will enhance and maintain a suite of networking configuration and situational awareness tools, develop intuitive visualizations for large datasets, and optimize multi-server web requests.…See more The role requires proficiency in at least one modern UI technology stack (ReactJS, Kotlin/React Native, or C# desktop frameworks) plus familiarity with a second stack, strong TCP/IP networking knowledge, and asynchronous programming skills.

Design and build AI agents and full-stack web applications that automate enterprise workflows, with expertise in agentic AI frameworks, LLM orchestration, and generative AI integration. Architect a multi-agent platform enabling PM and engineering agents to exchange plans and context, while developing backend services in C#/.NET/Python/TypeScript and modern Angular/React frontends that connect to enterprise systems like Jira, Microsoft 365, and SQL/NoSQL databases.…See more Define agentic engineering standards including tool contracts, prompt management, guardrails, and agent evaluation. Requires hands-on experience with LLM application development, RAG, tool calling, prompt engineering, agentic runtimes (LangGraph, AutoGen, n8n), and full-stack enterprise application development on AWS or Azure.

Design and build AI agents that automate workflows within a multi-agent platform, enabling PM and engineering agents to exchange plans and context over shared program data. Develop full-stack web applications with generative AI functionality—conversational interfaces, natural-language querying, automated summarization, and in-context recommendations—using C#, .NET, Python, TypeScript, Angular/React, and integrations with Jira, Microsoft 365, Confluence, and SQL/NoSQL stores.…See more Define agentic engineering standards including tool contracts, MCP servers, prompt management, memory, guardrails, human-in-the-loop approval, and evaluation harnesses. Requires hands-on experience with LLM application development, agentic runtimes like LangGraph or AutoGen, full-stack enterprise development, and cloud deployment on AWS or Azure.

BAE Systems seeks entry-level software engineers (Bachelor's or Master's degree expected by June 2027, <6 months experience) to develop C4ISR and geospatial intelligence applications for defense customers. You will apply Java, OOP, and software design principles in a collaborative, agile environment.…See more The role offers mentorship, onboarding, and exposure to full-stack development, cloud platforms, DevOps, and modern software architecture as part of a structured Year One program.

Entry-level software engineer role focused on automated test and software control of complex hardware systems for C4ISR solutions. You will develop code interfacing with hardware using C/C++ and Java, applying object-oriented design principles and electronics knowledge.…See more The position includes a structured Year One mentorship program and requires a Bachelor's in Computer Science, Computer Engineering, or Electrical Engineering (or equivalent hardware experience) by June 2027, with the ability to obtain a U.S. security clearance.

Senior Software Engineer role building scalable, data-intensive real estate analytics applications using modern full-stack technologies. Requires 7+ years of software development experience with deep expertise in server-side languages (.NET, C#, Node.js), front-end frameworks (React, JavaScript), relational databases (SQL Server), and proven experience using AI-assisted development tools (GitHub Copilot, Claude Code) in production.…See more Responsibilities span full lifecycle ownership—design, development, testing, deployment, and production support—with emphasis on code quality, architectural collaboration, and continuous improvement within an analytics platform team.

Software Engineer responsible for the full software development lifecycle in a maritime cybersecurity environment, from requirements gathering through deployment. Must design and build scalable, distributed applications using Java, C#, Python, or C++, with strong expertise in cybersecurity principles, crypto/key management, network security, endpoint security, and computer network defense.…See more Role requires knowledge of serverless architecture, event-driven design, software testing, debugging, and code optimization, plus the ability to work with cross-functional teams including security specialists and end-users.

Entry-level software engineer role supporting C4ISR and geospatial intelligence applications for defense customers. Requires a Bachelor's degree in Computer Science or related field (by June 2027) and proficiency in Java with understanding of object-oriented design and programming.…See more The role emphasizes full-stack development capabilities, familiarity with modern DevOps and cloud tools, and the ability to work collaboratively in an agile environment. Candidates with security clearance eligibility or prior internship experience are preferred.

Entry-level software engineer role focused on automated test and software control of complex hardware systems for C4ISR defense applications. Candidates will work with C/C++ and Java to develop systems that sense, control, and process actionable intelligence for warfighters.…See more The role requires a Bachelor's degree in Computer Engineering, Electrical Engineering, or Computer Science (with hardware knowledge) by June 2027, proficiency in object-oriented design and programming, and the ability to obtain a U.S. security clearance. Successful candidates will join a structured Year One mentorship program and work in an agile, collaborative environment.

This Technical Lead role focuses on architecting, developing, and deploying production-grade Agentic AI solutions on AWS using .NET/C#. The ideal candidate will have hands-on expertise in LLMs, generative AI, RAG, prompt engineering, and agent frameworks (LangChain, LangGraph, Semantic Kernel, AutoGen), combined with strong .NET enterprise development and AWS cloud-native skills.…See more Responsibilities include taking AI solutions from POC to production, designing microservices and REST APIs, and ensuring AI evaluation, monitoring, observability, and governance. Technical leadership, stakeholder management, and system design fundamentals are essential.

Staff-level XR software engineer supporting Qualcomm's ecosystem partners in designing and deploying AR/VR solutions using next-generation XR technologies. The role requires architecting end-to-end XR solutions, collaborating across technical and product teams, and acting as a liaison between Qualcomm's XR engineering and partner teams.…See more Candidates need 4+ years of software development experience, proficiency in C/C++, Java, or Python, and familiarity with XR SDKs (Unity, Unreal, Oculus, Vive, Magic Leap, Nreal, Qualcomm). Preferred experience includes Android development, Unity 3D with shaders, graphics/rendering, embedded systems, and strong debugging and systems architecture skills.

Senior XR Software Engineer responsible for designing, building, testing, and supporting end-to-end XR solutions for ecosystem partners and device OEMs. The role bridges Qualcomm's XR engineering team and partner teams, involving architecture of AR/VR solutions, proof-of-concept deployments, and partner demonstrations.…See more Requires 2+ years of software development experience, proficiency in C/C++/Java/Python, and hands-on debugging skills; preferred qualifications include Unity/Unreal development, Android OS knowledge, graphics/rendering expertise, and 3+ years of embedded systems experience.

Associate Software Engineer role focused on developing embedded software for real-time control of advanced tactical radio equipment. The role involves full software development lifecycle participation (requirements, design, implementation, integration, test) using multiple programming languages (C++, C#, C, Java, Python, etc.) and real-time operating systems (VxWorks, Linux, QNX, Integrity, Windows CE).…See more Responsibilities include hardware-software interface development, test procedure creation, experimental evaluation using modeling tools, and peer code review. This is an entry-level position for recent graduates or those completing a Bachelor's degree in computer science, computer engineering, software engineering, electrical engineering, or related fields.

Senior Graphics Programmer role focused on building and maintaining cross-platform build pipelines, data-packaging systems, and internal developer tools for AAA game titles. Responsibilities include bringing engines to new platforms, resolving low-level crashes and memory issues across console and mobile hardware, managing SDK upgrades, and leading modernization of long-lived build infrastructure.…See more Requires 5+ years of performance-critical C++ development, strong debugging skills, hands-on experience with build systems (Jenkins, MSBuild, gradle), and proficiency in C# for tools development.

Software Engineer III with 5+ years of experience to develop specialized military tactical software. The role requires 3 years of C# development and deep expertise in TAK (Tactical Assault Kit) ecosystem work, including TAK plugins (WinTAK, ATAK, Server), STANAG 4817 COT messaging, and MK18 products (Hydroid VIP, Neptune, Coin Nexus).…See more Bachelor's degree in Engineering or IT required; based in San Diego, CA.

Design, implement, and maintain automated test systems and scripting environments for advanced radio and communications hardware at TrellisWare. Develop test cases, programming APIs, and user interfaces; operate RF test equipment (spectrum analyzers, oscilloscopes, signal generators); and perform data-driven analysis to characterize performance and diagnose issues.…See more Required skills include VB.NET, C#, Python, Linux, embedded systems knowledge, and test automation; plus object-oriented design, device drivers, and shell scripting. BSEE, BSCE, or BS Physics degree and 1–8 years' experience required.

Staff Software Engineer on the AI Experience Framework (AIUX) team, responsible for full-stack architectural decisions in a JavaScript/component-driven environment powering ServiceNow's AI-first user interfaces. You will own code from design through delivery, architect modular reusable component systems, set framework-level technical direction for AI integration and state management, and serve as an escalation point for production issues across multiple teams.…See more The role requires 8+ years of OO language experience (Java, C++, C#, Go), advanced expertise in modern UI frameworks (React, Angular, Vue, Lit), relational databases, and data structures/algorithms/design patterns at scale.

Design and develop software applications that orchestrate complex automated laboratory workflows and closed-loop learning systems for biotherapeutics discovery. Build data pipelines, visualization tools, and machine learning models for visual inspection, predictive maintenance, and process optimization.…See more Implement IoT integrations, digital lab twins, telemetry systems, and maintain integrations across automation schedulers, LIMS, and data platforms using DevOps best practices and cloud solutions. Requires a Ph.D. in Computer Science, Software Engineering, or Bioengineering with 3+ years of industry experience (or equivalent M.S./B.S. with 10+/13+ years respectively), strong proficiency in Python, SQL, and JavaScript, and experience with lab digitalization and autonomous systems.

Staff Software Engineer role owning full-stack architecture for ServiceNow's AI Experience Framework (AIUX), building modular Lit-based web components that power conversation-first applications. Responsible for end-to-end code delivery from design through production, setting technical direction for framework-level APIs, and serving as an escalation point for production issues across multiple teams.…See more Requires 8+ years of OO language experience (Java, C++, C#, Go), advanced JavaScript/modern UI framework expertise (Angular, React, Vue, Lit), and deep knowledge of data structures, algorithms, design patterns, and performance optimization. Expected to mentor colleagues, coordinate cross-org architecture decisions, and architect scalable component systems for extensibility.

This software engineering internship involves developing embedded software for real-time control of advanced tactical radio equipment, working across the full software development lifecycle from requirements analysis through testing and integration. The role requires applying computer science and engineering principles using multiple programming languages (C++, C#, C, Java, Python, etc.) on embedded real-time operating systems (VxWorks, Linux, QNX, Integrity, Windows CE) and evaluating hardware-software interfaces.…See more Interns will develop test procedures, participate in peer reviews, and utilize modeling tools to conduct experimental tests. The position demands a strong foundation in computer science, computer engineering, software engineering, electrical engineering, or related disciplines.

Software Developer III responsible for designing, developing, and delivering software capabilities in production environments using Agile frameworks. The role requires 5+ years of software development experience with proficiency in at least one modern programming language (Python, Java, C#, Go, C++) and modern architectural patterns (Microservices, Event-Driven, Serverless).…See more Must have 2+ years applying DevSecOps principles with automated security testing tools (SAST, DAST, SCA, container scanners) in CI/CD pipelines within regulated government/DoD environments, and 2+ years building resilient software architectures for DDIL and Navy PaaS environments. Responsibilities include software installation, version control, build processes, automated testing, systems modeling, and technical infrastructure support.

Senior SQL Server Database Developer supporting the Naval Health Research Center to manage and optimize mission-critical databases. The role requires 3+ years of SQL Server expertise including database creation, maintenance, performance tuning, and migration, combined with proficiency in .NET, C++, C#, F#, Visual Basic, or Python.…See more Responsibilities include installing and configuring SQL databases, performance monitoring and optimization, developing data models with SQL Server Analysis Services (SSAS), creating reports with SQL Server Reporting Services (SSRS), and collaborating with cross-functional teams to translate business requirements into technical solutions. An active Secret clearance is required.

Senior Software Engineer responsible for designing, developing, and maintaining control software for advanced life science research instruments. The role spans the full technology stack—from low-level hardware integration and motion control to distributed services and user-facing applications—requiring expertise in C#/.NET, Linux, real-time data acquisition, multi-threaded programming, and RPC frameworks.…See more Core responsibilities include developing data acquisition and signal processing pipelines, collaborating with systems engineering teams, refactoring existing architecture, and troubleshooting complex instrument software. Requires 5+ years of software development experience with strong C# proficiency and familiarity with control systems, communication protocols, and performance optimization.

Senior Embedded Software Engineer responsible for developing complex real-time embedded systems for electroporation therapy delivery, including firmware, device drivers, middleware, embedded UI applications, and system-level software. The role requires 7+ years of embedded software development experience with modern C++, ARM Cortex-M processors, RTOS frameworks (ThreadX, FreeRTOS, etc.), and expertise in real-time control systems, closed-loop feedback, safety-critical software, and cybersecurity implementation.…See more Responsibilities span architecture design, hardware-software integration, verification and validation, CI/CD support, and cross-functional collaboration with electrical, mechanical, and regulatory teams. The candidate must demonstrate proficiency with embedded development tools, debugging hardware, IEC 62304/IEC 60601 compliance standards, and FDA cybersecurity guidance.