Senior Software Engineer II, Core Experience

Instacart

Senior Software Engineer II enhancing backend systems for grocery delivery app. Leading innovation in backend services and developing features for improved shopping experiences.

Posted 5/30/2026full-timeRemote • California, Colorado, Connecticut, District of Columbia, Hawaii, Illinois, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Texas, Vermont, Virginia, Washington • 🇺🇸 United StatesSenior💰 $192,000 - $242,000 per yearWebsite

Tech Stack

Tools & technologies

GoPostgresRuby

About the role

Key responsibilities & impact

Design, build, and maintain high-quality backend applications.
Lead the development of our backend system's roadmap, prioritizing scalability and reliability.
Innovate and think creatively to develop new features that enhance our customer's shopping experiences.
Own and lead major components of our product, ensuring they meet both internal standards and external expectations.
Collaborate across teams to foster a unified approach to product development, facilitating consensus and driving effective outcomes.
Responsible for the strategic planning and execution of projects you oversee, from inception to deployment and maintenance.

Requirements

What you’ll need

5+ years of backend development experience, with a strong record of project delivery.
Proficiency in backend languages, such as Ruby or Go.
A solid foundation in unit testing and problem-solving.
Exceptional communication skills and the ability to lead and collaborate with diverse teams.
Holds a Bachelor's or Master’s degree in Computer Science, Software Engineering, or equivalent experience.
Experience with recommender systems and personalization algorithms.
Familiarity with ML model development and iteration.
Deep understanding of feed architecture principles.
Skilled in the use of monitoring and observability tools like Datadog.
Extensive experience with database management, particularly PostgreSQL.

Benefits

Comp & perks

Instacart provides highly market-competitive compensation and benefits in each location where our employees work.
Offers may vary based on many factors, such as candidate experience and skills required for the role.
Additionally, this role is eligible for a new hire equity grant as well as annual refresh grants.

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

backend developmentRubyGounit testingproblem-solvingrecommender systemspersonalization algorithmsML model developmentfeed architecture principlesPostgreSQL

Soft Skills

communication skillsleadershipcollaborationstrategic planningproject execution

Certifications

Bachelor's degree in Computer ScienceMaster’s degree in Software Engineering