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Senior Software Engineer II - Enterprise Foundations

Instacart· Infrastructure
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Remote$192k - $242.5kFull-timePosted 4d ago

About the role

Senior level backend-focused role owning complex, multi-quarter integration workstreams for Instacart's Enterprise Foundations, driving architectural direction, cross-team collaborations, and reusable patterns to scale the Retailer Platform across large grocers and international markets. Remote-friendly with flexible work policy.

Responsibilities

  • Own a multi-quarter integration workstream end to end — e.g., unified customer identity across FoodStorm and Storefront Pro, international storefront and search expansion for enterprise retailers, or consolidation of bespoke retailer-vertical services onto shared Instacart platform rails — from problem framing through design, implementation, rollout, and deprecation of legacy paths.
  • Drive the technical direction for your area: ERDs, design trade-offs, and cross-team alignment through reviews and clear artifacts.
  • Lead vendor and cross-team integrations with focus on observability, fallback behavior, and cost/latency guardrails; challenge partner designs early.
  • Build reusable patterns, frameworks, and templates adopted across teams; produce system-at-a-glance docs and migration runbooks.
  • Operate hands-on as a senior IC on high-leverage work; raise design quality, code quality, observability, and operational rigor.
  • Mentor junior engineers, delegate implementation pieces, and maintain technical ownership while collaborating with senior/staff engineers.

Qualifications

  • 7+ years of backend software engineering experience with end-to-end ownership of complex, multi-quarter projects as a senior IC.
  • Ability to act as technical DRI for cross-team workstreams; proactive problem framing, option proposals, risk identification, and driving adoption.
  • Experience designing and shipping distributed systems and integrations across multiple services, teams, or external partners in production for real customers.
  • Strong proficiency with backend technologies (e.g., Ruby/Rails, Python, Go or similar), relational databases, distributed data systems, and cloud infrastructure (AWS or GCP).
  • Track record of durable technical artifacts (ERDs, design docs, runbooks, reusable patterns) enabling others to build with minimal ongoing support.
  • Ability to operate in ambiguous, high-growth environments with evolving partner roadmaps and commitments.
  • Bachelor's degree in Computer Science or related technical field, or equivalent practical experience.

Skills

Required:Backend software engineeringSystem design and architectureCross-team coordination

Benefits

  • New hire equity grant and annual refresh grants
  • Flexible remote-first policy under Flex First
  • Competitive compensation
  • Taste of Instacart benefits overview linked in posting
Last updated Oct 22, 2026. Interested? Apply on the company site.
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About Instacart

Marketplace for grocery delivery and pickup

Instacart is the North American leader in online grocery and one of the fastest-growing companies in e-commerce. Instacart’s same-day delivery and pickup services bring fresh groceries and everyday essentials to busy people and families across the U.S. and Canada in as fast as an hour. Since its founding in 2012, Instacart has become an essential service for millions of families, while also serving as an immediate, flexible earnings opportunity for hundreds of thousands of shoppers across North America. The company partners with more than 350 retailers and delivers from more than 25,000 stores across more than 5,500 cities in North America. Today, Instacart is accessible to more than 85% of households in the U.S. and more than 70% of households in Canada.

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