> Markdown version of [/jobs/ext/2106187-sr-software-engineer](https://www.wearedevelopers.com/jobs/ext/2106187-sr-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr Software Engineer - **Company:** Illumina, Inc - **Location:** San Diego, CA, United States - **Experience:** Expert - **Salary:** $129,400.0 - $194,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Agile Methodology, Architectural Patterns, Confluence, JIRA, Unit Testing, Bioinformatics, Static Program Analysis, Continuous Integration, Cursor (Graphical User Interface Elements), Software Debugging, Linux, Fault Tolerance, Github, Hardware Design, Medical Software, Network Protocols, Nunit, Object-Oriented Software Development, Scrum Methodology, Mstest, Selenium, Service-Oriented Architecture, Software Engineering, Software Systems, Subsystems, Web Testing, File Transfer Protocol (FTP), GitHub Copilot, Xunit, Event Driven Architecture, Containerization, Integration Tests, Kubernetes, Information Technology, Teamcity, Restful APIs, Selenium Webdriver, Mocha, Docker, Jenkins, Golang, Microservices - **Published:** August 18, 2026 - **Apply:** https://illumina.wd1.myworkdayjobs.com/illumina-careers/job/US---California---San-Diego/Sr-Software-Engineer_43277-JOB-1 ## About the Role * Education: Bachelor's degree in a relevant engineering field (e.g., Computer Science, Biomedical Engineering, Software Engineering). * Experience: Minimum of 5 years of experience in software development. Experience within the Medical or Life Sciences industry is a plus. * Collaboration: Excellent communication and interpersonal skills. Demonstrated success in collaborating in a fast-paced team environment and delivering high-quality software products using established agile development methodologies (such as Scrum, Kanban, etc.) against formal schedules. * Troubleshooting and Problem Solving: Demonstrated experience designing and implementing fault-tolerant distributed or multi-process systems. Experience with retry strategies, durable state management, idempotent operations, concurrency, asynchronous processing, and system recovery techniques is highly desirable. * Communication: Exceptional communication and interpersonal skills. Ability to adapt to a diverse environment and work effectively in a global team. * Technical Skills: Strong professional experience developing software in C# and .NET/.NET Core is required. Understanding of object-oriented analysis and design. Experience with testing frameworks like MSTest, xUnit, NUnit, or similar. Experience with Go (golang) and developing software for complex hardware systems are both a plus. * Domain Knowledge: Proven ability to analyze and contribute to software component design. Knowledge of hardware development, medical software, healthcare regulations, cybersecurity best practices, network protocols, or file transfer protocols are all highly desirable. Experience with NGS and Bioinformatics is a plus. Additional Skills: * Proven track record of designing and implementing robust software solutions that meet demanding resiliency, availability, and performance objectives. * Required experience with tools such as Jira, Confluence, GitHub, GitHub Actions, TeamCity, Jenkins or their equivalents. * Required experience designing and implementing software quality patterns and practices (continuous integration, static analysis, unit testing, integration testing) and developing software on Linux. * Required understanding of Service Oriented Architectures (e.g., microservices), REST APIs, and other architectural patterns. * Experience leveraging AI-assisted development tools (e.g., GitHub Copilot, Cursor, Claude) to improve software engineering productivity. * Optional development experience with containers and container platforms (e.g., Docker, Kubernetes), and event-driven design. * Optional experience with web testing frameworks like Mocha, Jest, Selenium / WebDriverIO, or similar. ## Description * Development: Develop, integrate, and debug platform software components responsible for the secure and reliable transfer, storage, and management of sequencing data, ensuring correctness and recoverability under real-world failure conditions. * Testing: Contribute to our existing CI/CD build pipelines, test environments, and automation infrastructure. * Component Design: Evaluate the detailed design of components, identify risks and improvement opportunities, and collaborate with technical leaders to drive continuous improvement. * Stakeholder Collaboration: Collaborate with multiple software teams to understand development needs, identify and address gaps in the platform, and drive change within areas of expertise. * Innovation: Drive innovation at a software component and sub-system level and contribute ideas to software road mapping. Maintain awareness of industry trends and contribute to the evaluation of new software technologies. * Problem Solving: Leverage expertise in investigation and resolution of technical problems within the department. Assist in troubleshooting complex customer issues potentially involving multiple components of the software system. ## Related Videos - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [From Punch Cards to AI-assisted Development](https://www.wearedevelopers.com/videos/611-from-punch-cards-to-ai-assisted-development) - [Test Driven Development with JavaScript](https://www.wearedevelopers.com/videos/222-test-driven-development-with-javascript) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Form Validation. The Tested Way](https://www.wearedevelopers.com/videos/314-form-validation-the-tested-way) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Quick guide: How to write a Software Developer CV](https://www.wearedevelopers.com/magazine/37-quick-guide-how-to-write-a-software-developer-cv) - [Now is the time for industrialized software development](https://www.wearedevelopers.com/magazine/601-now-is-the-time-for-industrialized-software-development)