dotnet jobs in San Diego

Design, develop, and test secure software using C++, Java, C#, or similar languages, creating novel cybersecurity technology components to defend against cyber exploits and attacks. Responsibilities include developing kernel and user-level software with security-first principles, conducting vulnerability assessments, implementing CI/CD and DevSecOps processes, and using Infrastructure as Code tools like Ansible and Terraform to deploy and configure systems.…See more Perform code reviews, validate security controls (STIGs, CMMC), participate in Risk Management Framework processes, and document software for accreditation. Partner with multidisciplinary teams and government sponsors to integrate custom and third-party components across complex systems.

Senior Software Engineer responsible for designing and implementing scalable solutions for a proprietary learning management system (LMS), modernizing application architecture, and building high-quality full-stack software. The role requires 8+ years of professional software development experience and 5+ years designing enterprise-scale applications, with deep expertise in .NET, C#, Azure, React, TypeScript, and microservices architecture.…See more Responsibilities include leading architectural decisions, supporting CI/CD and automation initiatives, participating in code reviews, reducing technical debt, and mentoring junior engineers while collaborating across Product, QA, and DevOps teams.

Senior Software Engineer at Optum designing, developing, and deploying AI-powered applications and scalable software solutions. Requires 3+ years with .NET/C#/Java, React/ASP.NET MVC/JavaScript/Node.js/Angular, Web APIs, Entity Framework, SQL/NoSQL databases, Azure DevOps/GitHub Actions/Jenkins, Kubernetes/Docker, testing frameworks (Selenium/Gherkin/SpecFlow), and Agile/Scrum.…See more Responsibilities include full-stack development, CI/CD pipeline adherence, quality assurance, performance optimization, compliance with SDLC protocols, accessibility standards, and production support.

Senior Software Engineer responsible for designing, developing, and deploying AI-powered applications and features using modern web and cloud technologies. Will work across the full stack (.NET/C#, React, JavaScript, Node.js, Angular) and cloud infrastructure (Azure, Kubernetes, Docker) to build scalable, high-performance solutions that meet privacy, security, and accessibility standards.…See more Requires 3+ years of hands-on experience with the specified technology stack, CI/CD pipelines, testing frameworks, and Agile practices.

Entry-level software engineer role at BAE Systems supporting C4ISR and geospatial intelligence platforms for defense customers. Candidates must hold or be able to obtain a security clearance and have a Bachelor's degree in Computer Science or related field (or Master's for Associate II level).…See more Required skills include Java, Object-Oriented Programming (OOP), and Object-Oriented Analysis & Design (OOAD); preferred experience includes full-stack development, multiple programming languages (C/C++, C#, Python, JavaScript), cloud platforms (AWS, Azure), containerization (Docker, Kubernetes), CI/CD pipelines, and familiarity with frameworks like Spring, REST APIs, and microservices architecture.

LPL Financial seeks a Senior Full Stack Software Engineer with 7+ years of experience designing and developing complex systems using .NET, C#, Angular, and AWS. The role involves building scalable, cloud-native web applications and services for advisor self-service platforms, with responsibilities spanning end-to-end solution design, API development, database optimization (PostgreSQL/SQL Server), and collaboration across architecture, product, DevOps, and QA teams.…See more The engineer will own code quality, apply software engineering best practices, and support platform modernization initiatives.

Amazon is hiring a Software Development Engineer for their Leo for Government division. The role requires 3+ years of professional software development experience and 2+ years of systems design and architecture expertise.…See more You will design and develop large-scale, multi-tiered, distributed software applications using C#, C++, Java, or Perl, with strong emphasis on object-oriented design, code reviews, and full software development lifecycle practices.

Staff-level full-stack engineer responsible for designing, building, and delivering high-quality features for ServiceNow's Lux admin configuration framework and AI-native platform experiences. You will own the complete development lifecycle from architecture through testing and deployment, mentor engineers, and architect modular, reusable component systems.…See more The role requires 8+ years of JavaScript/web experience with advanced proficiency in modern UI frameworks (Lit, React, Vue, Angular), object-oriented design, algorithms, and relational databases, plus experience integrating AI into workflows and serving as a technical lead.

Software Engineering Intern III position for Summer 2027 at BAE Systems, supporting defense and aerospace projects. Interns will work alongside experienced engineers on impactful projects using modern full-stack technologies including React/Angular, AWS/Azure/Kubernetes, Spring, and various databases (SQL and NoSQL).…See more The role requires proficiency in Java, C++, C#, Python, or JavaScript, strong fundamentals in data structures and object-oriented programming, and a drive to learn. Participation in BAE Systems' LEAP Internship Program includes career development, mentorship, and networking opportunities.

Director-level role leading AI/ML engineering strategy and execution across Optum's healthcare technology organization. You will define the roadmap for LLM engineering, generative AI systems, and agentic workflows; lead and mentor a team of 10+ AI/ML engineers, software developers, and MLOps specialists; architect scalable multi-cloud AI solutions spanning AWS and Azure with .NET/C# services; and champion ethical AI governance and production-grade model deployment practices.See more

As an Azure Cloud and AI Developer, you'll design, develop, and deploy cloud-native applications on Microsoft Azure while building AI-powered solutions using Azure OpenAI, Azure AI Services, and Azure Machine Learning. You'll create secure integrations between Azure applications and enterprise platforms, drive intelligent automation initiatives, and maintain CI/CD pipelines using Azure DevOps.…See more The role requires 3+ years of application development experience with at least 1 year hands-on with Azure, strong proficiency in C#/.NET/Python, REST APIs, Git-based source control, and secure coding practices in a regulated financial services environment.

Build and optimize a high-throughput compute stack for reliable, production-grade data ingestion, processing, storage, and delivery. The role focuses on making stateful, multi-threaded pipelines fast and observable under real-world constraints—profiling bottlenecks, hardening recovery behavior, and productizing machine-learning models (neural networks, tree-based, unsupervised) to meet performance, reliability, and quality standards.…See more You will work alongside algorithm and infrastructure engineers, using measurements to drive performance improvements and ensure production interfaces remain durable as the system evolves. Requires strong systems-level experience with concurrency, I/O, and production debugging in C++, Rust, CUDA, or C; a track record of shipping production software; and hands-on expertise in resilient data pipelines and GPU computing.

Lead Windows OS platform initiatives including System BIOS, UEFI, ACPI, drivers, and applications across the full development lifecycle. Act as a technical expert on PC industry trends, identify and mitigate technical risks, and drive platform efficiency through hands-on prototype development and cross-functional collaboration.…See more Require 6+ years of software engineering experience with proficiency in C, C++, Java, or Python, with deep knowledge of Windows kernel, drivers, APIs, power management, and security preferred. Provide technical guidance, lead design reviews, and foster a culture of technical excellence while contributing to short- and long-term product/technology roadmaps.

Qualcomm seeks an experienced Windows Performance Engineer to analyze and optimize software running on Windows on Snapdragon devices across multiple system layers—OS, kernel, compiler, drivers, assembly, and CPU/SoC architecture. The role involves deep performance analysis of benchmarks and applications, implementing software optimizations to balance performance and power consumption, developing analysis tools, and collaborating with architects and cross-functional teams.…See more The engineer will act as a technical lead, own project outcomes, and drive optimization strategies for next-generation Windows on Snapdragon desktop devices. Strong technical credibility, self-management, and communication skills are essential.

Senior Enterprise Applications Developer responsible for designing, delivering, and supporting complex enterprise software, integrations, data solutions, and automation across cloud and on-premises environments. Requires 7+ years of progressive experience with advanced Python proficiency, hands-on expertise in REST APIs, ETL/data pipelines, CI/CD practices, and AWS or Azure cloud-native development.…See more Must demonstrate ability to lead solution design from requirements through production support, with experience in workflow automation, AI/LLM integrations, and compliance frameworks (HIPAA, SOC 2, SOX). Strong emphasis on security, governance, architecture, and cross-functional collaboration with technical teams and business leaders.

Join Booz Allen's competitive Summer Games internship program as a Systems Engineer, working in teams on real-world technical challenges for government and commercial customers. You'll apply programming skills in .NET, C++, JavaScript, Java, or Python to develop innovative solutions, receive mentorship from senior leaders, and present your work at a final Challenge Cup competition.…See more The role requires proficiency in at least one programming language, knowledge of software development best practices, and the ability to learn new frameworks and collaborate effectively.

Senior Software Engineer at Globus Medical responsible for full lifecycle management of medical device software products, from research and design through testing and delivery. The role requires strong full-stack development skills in .NET/C# backend and JavaScript/TypeScript frontend, with proficiency in Azure DevOps, Git, and web technologies including HTML5, CSS/SCSS, LitElement, and WebComponents.…See more Must follow FDA regulations, ISO 13485, and IEC 62304 standards in a regulated medical device environment, and perform some DevOps functions. Requires 8+ years of experience (or equivalent with advanced degree) in object-oriented design, Agile/TDD methodologies, and cross-functional collaboration with product management and engineering teams.

Principal Software Engineer role focused on designing highly complex enterprise-level web applications with deep expertise in microservices, serverless architectures, and cloud platforms. The engineer will serve as an architectural subject matter expert, providing guidance on system design, performance, scalability, and security across multiple teams at CoStar.…See more Requires 10+ years of hands-on experience with expert-level proficiency in C#, Java, Python, or JavaScript/TypeScript, plus significant hands-on experience designing and implementing AWS solutions. Responsibilities include creating architectural documentation, mentoring technical staff, staying current with emerging technologies, and advocating for security and observability best practices.

Senior Software Engineer role at CoStar focused on designing and building production applications using C# and .NET on AWS cloud infrastructure. The position emphasizes leveraging Claude AI for code generation, refactoring, and analysis, while building and operating scalable, cloud-native solutions.…See more Requires strong AWS hands-on experience (EC2, ECS/EKS, Lambda, S3, RDS, DynamoDB, CloudWatch), API and backend service development, and solid software design principles. Preferred qualifications include Databricks experience, microservices/distributed systems knowledge, CI/CD and DevOps practices, and Infrastructure-as-Code tools like Terraform and CloudFormation.

Design, build, and maintain scalable data pipelines and platforms that power high-volume, data-driven applications. Develop and optimize ETL/ELT processes for large, complex datasets using Databricks and Spark, and build backend data services in C# / .NET.…See more Lead technical design decisions, mentor engineers, and leverage AI-assisted coding tools to improve engineering efficiency. Requires 5+ years of data engineering experience, strong expertise with data pipelines and ETL frameworks, and hands-on experience with AWS-based data platforms.

CoStar seeks a Senior Software Engineer to design and build production applications using C# and .NET on AWS, with hands-on experience leveraging Claude for AI-assisted development. The role focuses on building scalable, cloud-native solutions and involves building APIs, backend services, system design, code reviews, and mentoring.…See more Required skills include strong C# and .NET expertise, hands-on AWS experience (EC2, ECS/EKS, Lambda, S3, RDS, DynamoDB, CloudWatch), Git workflows, and software design principles. Preferred qualifications include practical Claude experience, Databricks, microservices, CI/CD pipelines, and infrastructure-as-code tools like Terraform or CloudFormation.

Senior software developer responsible for formulating and implementing enterprise software solutions across multiple platforms, including architecture planning, deployment coordination, and maintenance of complex systems. Will lead technical direction for projects, mentor junior developers, and serve as the prime technical contact with customers and stakeholders.…See more Requires deep expertise in software development principles, ability to understand new technologies quickly, and hands-on experience with embedded systems, hardware integration, and lab instrumentation.

Principal Software Engineer designing, developing, and executing automated software tests for embedded, safety-critical, and mission-critical real-time systems throughout the software development lifecycle. The role requires expertise in object-oriented programming (C/C++, C#, Java, Python), test automation frameworks (GoogleTest, TestComplete, Cucumber, Robot, etc.), CI/CD tools (Atlassian, GitHub, GitLab, Jenkins), and experience qualifying multi-threaded embedded software on real-time operating systems (VxWorks, Integrity, Real-Time Linux).…See more Responsibilities include analyzing software requirements, diagnosing root causes across integration and acceptance testing, collaborating with developers and systems engineers, and developing clear technical documentation in fast-paced, Agile environments.

Software Engineer II will design and develop embedded software for Genalyte's Merlin photonic diagnostic platform, a medical device requiring adherence to FDA/medical device software standards. The role involves developing embedded software components, creating software tools for testing and integration, executing test protocols, and troubleshooting system functionality.…See more The engineer will work with device-to-cloud interfaces, low-level hardware controllers (motors, robots, sensors), and collaborate cross-functionally while mentoring junior engineers. Required skills include C/C++/C#/Python (.NET preferred), embedded systems design, build systems, unit testing, networking, Unix/Windows, and Jira/Confluence.

Sr. Software Test Engineer I develops and implements software validation test plans for embedded medical devices, with responsibility for test strategy, automation, and cross-functional coordination.…See more The role requires expertise in test automation frameworks, understanding of embedded software architecture, and knowledge of medical device standards (IEC 62304). The engineer will lead test plan reviews, diagnose product failures, manage test documentation, and work closely with R&D and quality teams to ensure compliance with specification requirements.