Sr. Software Engineer

What if the work you did every day could impact the lives of people you know? Or all of humanity? At Illumina, we are expanding access to genomic technology to realize health equity for billions of people around the world. Our efforts enable life-changing discoveries that are transforming human health through the early detection and diagnosis of diseases and new treatment options for patients. Working at Illumina means being part of something bigger than yourself. Every person, in every role, has the opportunity to make a difference. Surrounded by extraordinary people, inspiring leaders, and world changing projects, you will do more and become more than you ever thought possible. We are seeking a results-oriented Sr. Software Engineer in Test to contribute to SW Integration and Verification for Instrument SW products. In this role, you will own the automation & verification of small-to-medium software subsystems and contribute test and integration design proposals that feed product-level integration, helping deliver integrated and verified SW packages into our Next Generation Sequencing (NGS) products. You will help build efficient integration workflows and scalable automation frameworks, strengthen cross-functional collaboration, and support the practices that ensure high-quality SW systems and release-ready software delivery. The ideal candidate brings strong, hands-on expertise in integrating complex SW with HW systems, verification testing methodologies, modern automation frameworks, and CI/CD tooling, along with a genuine interest in mentoring peers and helping mature quality practices within the team.

Integration & Test Strategy: Contribute to and help refine the software integration and verification strategy across a set of software components and subsystems, providing input to product-level integration approaches. System Design: Create test and integration design proposals at the subsystem level. Evaluate system design in the context of the integration strategy, identify risks and improvement opportunities, and collaborate with Architects and other technical leaders on continuous improvement. Development and Testing: Develop automated test suits, test environments, and automation infrastructure, with guidance as needed on more complex or cross-subsystem work. Develop tools and services that support the integration and testing process. Investigate and diagnose issues. Stakeholder Collaboration: Collaborate and communicate with multiple functions across the organization. Support integration planning with program leads, and identify and communicate integration risks within your area of responsibility and at critical interfaces to other teams. Monitor and Measure Success: Track development progress within your area of responsibility, escalate risks, and propose improvements to software integration and verification processes. Mentorship: Mentor supporting engineers on technical skills in test automation and integration; collaborate with functional managers to share performance-related feedback where relevant.

Technical Skills: Proven expertise with testing frameworks such as MSTest, Mocha, Jest, Selenium, Cypress, or similar. Experience with multiple programming languages/environments (e.g., C#/.NET, JavaScript, Python). Experience with AWS infrastructure is a plus. Collaboration: Ability to work effectively across disciplines and establish relationships with internal customers, understanding their needs and expectations. Demonstrated success collaborating in a fast-paced team environment and delivering high-quality software using established agile methodologies (such as Scrum, Kanban, etc.) against formal schedules. Analytical Skills: Strong analytical and problem-solving skills, with the ability to make data-driven decisions. Communication: Able to communicate project status, risk, and recommendations to multi-disciplinary teams, and to make presentations to Senior Management with