[Remote] Senior Software Engineer II, Core Experience

Note: The job is a remote job and is open to candidates in USA. Instacart is transforming the grocery industry by providing essential services that connect customers with the food they love. The Senior Software Engineer II, Core Experience will enhance backend systems to improve user experiences and develop robust architectures that support advanced recommendation and personalization systems.ResponsibilitiesDesign, build, and maintain high-quality backend applicationsLead the development of our backend system's roadmap, prioritizing scalability and reliabilityInnovate and think creatively to develop new features that enhance our customer's shopping experiencesOwn and lead major components of our product, ensuring they meet both internal standards and external expectationsCollaborate across teams to foster a unified approach to product development, facilitating consensus and driving effective outcomesResponsible for the strategic planning and execution of projects you oversee, from inception to deployment and maintenanceSkills5+ years of backend development experience, with a strong record of project deliveryProficiency in backend languages, such as Ruby or GoA solid foundation in unit testing and problem-solvingExceptional communication skills and the ability to lead and collaborate with diverse teamsHolds a Bachelor's or Master's degree in Computer Science, Software Engineering, or equivalent experienceExperience with recommender systems and personalization algorithmsFamiliarity with ML model development and iterationDeep understanding of feed architecture principlesSkilled in the use of monitoring and observability tools like DatadogExtensive experience with database management, particularly PostgreSQLBenefitsInstacart provides highly market-competitive compensation and benefits in each location where our employees work.This role is eligible for a new hire equity grant as well as annual refresh grantsFlexibility to choose where they do their best work—whether it’s from home, an office, or your favorite coffee shop—while staying connected and building community through regular in-person eventsCompany OverviewInstacart is an online grocery platform that offers same-day delivery and pickup services for retailers and consumers. It was founded in 2012, and is headquartered in San Francisco, California, USA, with a workforce of 1001-5000 employees. Its website is https://www.instacart.com.Company H1B SponsorshipInstacart has a track record of offering H1B sponsorships, with 23 in 2026, 152 in 2025, 173 in 2024, 109 in 2023, 159 in 2022, 170 in 2021, 59 in 2020. Please note that this does not guarantee sponsorship for this specific role.