csharp jobs in San Diego

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.

Lead a team of full-stack software engineers building ServiceNow's AI Experience Framework (AIUX) — a platform delivering AI-first, conversation-first user interfaces through modular Lit-based web components. You'll manage product development, set technical direction for framework-level APIs, guide architecture decisions across the request path, and represent AIUX in cross-org discussions.…See more The role requires deep expertise in JavaScript and Java/C++/C#/Go, 10+ years of relevant technology experience, 5+ years managing core engineering teams, and the ability to solve complex problems spanning AI integration, performance at scale, and multi-team coordination.

Engineering Manager for real-time controls and instrumentation systems at General Atomics, leading a team developing LabVIEW and National Instruments cRIO-based solutions. The role requires deep technical expertise in LabVIEW Real-Time, LabVIEW FPGA, and cRIO systems, combined with architectural leadership across controls and software integration.…See more Responsibilities include system-level design decisions, cross-disciplinary troubleshooting, technical mentorship, code reviews, and hands-on support in LabVIEW/cRIO development. The candidate must understand C#, C++, and similar languages sufficiently to guide reviews and troubleshooting, with 9+ years of progressively complex engineering experience and demonstrated ability to lead and develop technical talent.

CoStar Group seeks a Senior Software Engineer to design, build, test, and deploy scalable applications for their real estate analytics platform, handling large data volumes with AI-assisted development workflows. The role requires full ownership of the development lifecycle from coding and testing through production deployment and support.…See more You'll collaborate with engineers, product owners, and designers on technical architecture and advocate for technical evolution. The position requires 7+ years of software development experience, expertise in C#/.NET and modern front-end frameworks (JavaScript, React), relational databases (SQL Server), and hands-on experience with AI-assisted tools like GitHub Copilot or Claude Code in production.

Senior Software Developer role focused on React and TypeScript development for a Navy customer. Requires 15+ years of React experience and strong TypeScript skills, with a track record of writing clean, reusable code and delivering at least one major React project.…See more Leadership experience managing development teams and full-stack capabilities (front-end and back-end) are preferred; must be able to obtain a US Secret security clearance.

Software Developer role focused on React and TypeScript development supporting a Navy customer. The position requires strong React experience (15+), TypeScript proficiency, clean code practices, and version control (Git) expertise.…See more Candidates should have completed at least one major React project and be able to obtain a US Secret security clearance.

Lead technical strategy and architecture for real-time controls and instrumentation systems using National Instruments LabVIEW, cRIO, and FPGA platforms. Provide architectural guidance, mentor engineers across hardware and software disciplines, and serve as subject matter expert for system-level troubleshooting and design reviews.…See more Hands-on involvement in LabVIEW/cRIO development, debugging, and integration while supporting text-based language environments (C#, C++). Participate in engineering planning, staffing, and talent development.

Design, develop, and maintain software solutions that interface with coordinate measuring machines (CMMs) and metrology systems for advanced fabrication and inspection workflows. Integrate CMM equipment with internal databases, MES, PLM, and ERP systems; develop automation routines, reporting dashboards, and data visualization tools; and troubleshoot metrology software and system issues.…See more Requires 5–10 years of software engineering experience with hands-on CMM and metrology background, proficiency in C#, C++, Python, or similar languages, SQL/NoSQL database experience, and working knowledge of GD&T (Geometric Dimensioning and Tolerancing).

This is a full-stack .NET developer role supporting Community Choice Aggregation (CCA) applications at Calpine Energy Solutions. The developer will design, develop, test, and deploy software solutions across presentation, business logic, and data layers using the Microsoft .NET stack and Azure cloud platform.…See more Responsibilities include maintaining and enhancing CCA applications, implementing database solutions, performing QA and unit testing, and providing post-implementation support. The role requires 3+ years of .NET development experience, proficiency in C# and object-oriented programming, and demonstrated ability to rapidly learn new technologies.

QA Software Engineer I role combining quality assurance, software development, and project leadership at a healthcare provider. Responsibilities include developing and maintaining code, performing unit and integration testing, leading peer reviews, managing projects and vendor relationships, and mentoring junior staff.…See more The role requires 3+ years in application design/development, expert SQL and Microsoft technologies proficiency (C#, ASP.NET, SQL Server, VS 2012), and healthcare protocol knowledge (HL7, ASCX12N).

Lead the architecture and technical strategy for a next-generation Class III implantable medical device, owning software design across embedded firmware, mobile, web, and cloud infrastructure. Establish architecture frameworks, design principles, and coding standards while translating clinical, regulatory, and business requirements into IEC 62304–compliant, FDA PMA–ready solutions.…See more Drive technical decision-making, conduct architecture reviews, and mentor a software engineering team across multiple domains. Support FDA submissions, design control activities, and cybersecurity integration throughout the system.

Enterprise Data & Analytics Architect responsible for designing and maintaining SQL Server databases, developing ETL pipelines using SSIS or Azure Data Factory, and creating enterprise reporting solutions with SSRS and Power BI. The role requires 8+ years of database engineering in OLAP/OLTP environments, expert SQL Server knowledge, and experience migrating processes to Azure.…See more Candidates will oversee documentation, mentor developers, and stay current with data engineering, BI, and cloud computing trends while ensuring compliance with company and federal regulations.

Lead software testing for web applications and instrument systems, designing and executing both automated and manual test strategies with a focus on C# and TypeScript solutions. Build verification frameworks, integrate test suites into CI/CD pipelines using GitHub Actions, TeamCity, or Jenkins, and partner with developers to define test coverage.…See more Own quality metrics, identify risks, mentor junior engineers, and optimize automation solutions across assigned projects.

Senior architect and developer responsible for designing, developing, and maintaining enterprise Oracle CPQ solutions, including BML scripts, configuration, commerce rules, and document logic. Will develop and support Java/Java EE applications, middleware components, REST/SOAP APIs, custom web services, and enterprise integrations.…See more Requires 8+ years of hands-on Oracle CPQ development, 8+ years of Java application development (Spring, Tomcat, JDBC, Maven), 8+ years of web development (HTML, JavaScript, CSS, JSON, AJAX), and 8+ years of database experience (Oracle, SQL, PL/SQL, data modeling, ETL). Will perform platform upgrades, security patching, production support, root-cause analysis, and contribute across the full SDLC.

Senior Automation Engineer supporting development, maintenance, and operation of complex custom automation systems in a biotech environment. Responsibilities include understanding system requirements, developing scripted protocols, integrating hardware and software components, troubleshooting failures, and ensuring compliance with FDA regulations and GxP principles.…See more Requires 5+ years in hardware design, automation, or biotech, with proficiency in C#, robotics, motion control, machine vision, and electronic systems integration.