Staff Software Engineer

About this role

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. Responsibilities: Collaborate with product owners and other application developers to design, code, and maintain high quality, cloud-based applications against established processes in a scrum team setting Work with software teams to ensure alignment of architecture to user requirements Occasionally provide technical assistance to escalated production issues Maintain awareness of industry trends and evaluate applicability of new software technologies to platform development efforts Provide technical leadership to an Agile team if required Lead performance optimization efforts, including memory management, parallelization, and algorithm efficiency. Requirements: Typically requires a minimum of 8 years of related experience with a Bachelor’s degree; or 6 years and a Master’s degree; or a PhD with 3 years of experience; or equivalent experience. Strong proficiency in one or more low-level programming languages, such as C++ or Rust , with a deep understanding of language internals, performance optimization, and memory management Experience with SaaS multitenant database architectures using RDBMS, and noSQL stores such as Elastic Search, Cassendra, and MongoDb Deep understanding of SOA, web security architecture, REST APIs, event-driven architecture, and other architectural patterns Experience with client-side MVC Frameworks (i.e., AngularJS, KnockoutJS) is a plus Proficient with source control management repositories (such as GIT, SVN, etc.) and CM practices Extensive experience writing high quality unit tests against mock objects Good understanding of object oriented analysis and design 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 Desired: Possess proven troubleshooting skills. Experience debugging complex issues using low-level debugging and profiling tools (e.g., GDB, LLDB, perf, Valgrind, or equivalent). Be curious, detail oriented, and analytical, with a proven ability to learn quickly Be customer-focused, team-oriented, and motivated, taking ownership of assigned tasks Have proven ability to self-manage, as well as manage interdisciplinary relationships Have proven verbal and written communication skills The estimated base salary range for the Staff Software Engineer role based in the United States of America is: $155,600 - $233,400. Should the level or location of the role change during the hiring process, the applicable base pay range may be updated accordingly. The range reflects long‑term growth in the role; therefore, most candidates are hired between the minimum and middle of the range. Placement depends on experience, skills, location, and internal equity. Additionally, all employees are eligible for one of our variable cash programs (bonus or commission) and eligible roles may receive equity as part of the compensation package. We offer a wide range of benefits as innovative as our work, including access to genomics sequencing, family planning, health/dental/vision, retirement benefits, and paid time off. We are a company deeply rooted in belonging, promoting an inclusive environment where employees feel valued and empowered to contribute to our mission. Built on a str

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