Senior Software Engineer, Fulfillment

Wwshemi; United States; Remote; USD 120,000 - 127,000; Full time

Benefits offered by this job

Remote work

Job summary

Instacart is seeking a backend engineer to build scalable systems powering routing, fulfillment, and shopper compensation. You will design APIs, implement asynchronous workflows, and collaborate with product, compliance, and other engineering teams.

This role emphasizes reliability, observability, and mentorship in a remote setting. With 5+ years in backend development and experience in Ruby, Python, or Go, you will contribute to logistics platforms used globally, while enjoying flexible work

Qualifications

• 5+ years of backend development experience.
• Fluency in at least one backend language (Ruby, Python, Go).
• Strong knowledge of REST/RPC APIs, databases, and distributed system patterns.
• Experience building and operating asynchronous, event-driven systems in production.
• Excellent communication in cross-functional environments.
• Bachelors or Masters in CS/Software Engineering or equivalent experience.

Responsibilities

• Backend apps for routing, task allocation, fulfillment tracking and shopper compensation.
• Lead design for high-impact projects addressing logistics in the marketplace.
• Maintain Tier-0 systems with clear ownership and observability.
• Align platform practices with product, compliance and engineering stakeholders.
• Mentor engineers to improve code quality, testing, and operations.

Skills

Backend development

API design

Distributed systems

Asynchronous events

Communication

CS/Software Eng degree or equivalent

Education

Bachelor's or Master's in CS/Software Engineering or equivalent

Equivalent practical experience

Job description

We're transforming the grocery industry

At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their groceries and household goods, while also offering safe and flexible earnings opportunities to Instacart Personal Shoppers.

Instacart has become a lifeline for millions of people, and we’re building the team to help push our shopping cart forward. If you’re ready to do the best work of your life, come join our table.

Instacart is a Flex First team

There’s no one-size fits all approach to how we do our best work. Our employees have the flexibility 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 events. Learn more about our flexible approach to where we work. (https://www.instacart.careers/flex-first)

Overview

Instacart is seeking a backend engineer with demonstrated success building highly reliable, performant and scalable software to shape the platform powering real-world, real-time processes. The Logistics Platform team owns the execution layer of Instacart’s fulfillment system across the globe, including batching, routing, dispatch, and shopper pay. This role builds the platform that routes orders, allocates fulfillment execution tasks to shoppers, tracks fulfillment status and determines compensation. A year from now, shoppers get efficient and fulfilling work, retailers and consumer brands improve their value proposition, and customers receive their orders on time and to their satisfaction.

About the Job

• Backend applications and systems for routing, task allocation, fulfillment tracking and shopper compensation are architected, built and maintained

• Technical design for high-impact projects and initiatives is led, with logistics problems across the consumer marketplace and enterprise space solved through shipped features

• Tier-0 systems are reliable and observable, with clear ownership

• Platform best practices are driven through alignment with product, compliance and engineering stakeholders

• AI-assisted tooling and workflows raise day-to-day productivity for you and the team, and engineers are mentored toward a higher bar for code quality, testing, and operational practices

About You

Minimum Qualifications

• 5+ years of backend development experience

• Fluency in at least one backend language (we use Ruby, Python and Go; Ruby experience not required)

• Strong working knowledge of services/API design (REST/RPC), databases, and system design patterns and principles for distributed, scalable systems

• Experience building and operating asynchronous, event-driven systems in production

• Excellent communication skills with experience working in complex cross-functional and highly collaborative environments

• Bachelors or Masters degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience

Preferred Qualifications

• Experience building software for fulfillment, logistics, or e-commerce

• Experience with workflow orchestration or state machines

• Regular use of AI coding tools such as Claude Code, Codex, etc

• Experience building systems subject to regulatory or financial compliance

#LI-Remote

Instacart provides highly market-competitive compensation and benefits in each location where our employees work. This role is remote and the base pay range for a successful candidate is dependent on their permanent work location. Please review our Flex First remote work policy here (https://instacart.careers/flex-first/). Currently, we are only hiring in the following provinces: Ontario, Alberta, British Columbia, and Nova Scotia.

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. Please read more about our benefits offerings here (https://instacart.careers/taste-of-instacart/).

For Canadian based candidates, the base pay ranges for a successful candidate are listed below.

CAN

$168,000-$177,500 CAD