Leah 10/11 Selective EA Testing - Greenhouse
Senior Software Engineer II, Enterprise Fulfillment
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.
About the Role
As a Senior Software Engineer, you will focus on executing and delivering high‑impact platform capabilities across Instacart’s Enterprise Fulfillment Platform APIs and services. You will work on complex areas such as API design, fulfillment orchestration, retailer and partner integrations, and high‑throughput distributed systems. You will contribute to building the next generation of Instacart’s fulfillment technology, ensuring reliability, scalability, and partner success.
In this role, you will also provide technical leadership, mentoring teammates and raising engineering quality without formal management responsibilities.
About the Team
This role sits within the Enterprise Platform team, part of the broader Fulfillment organization. The team builds and operates the foundational systems that power Connect API Fulfillment and Instacart’s 3rd‑Party Fulfillment Platform. These systems enable retailers, partners, and external providers to integrate fulfillment experiences directly into their own environments.
The team’s mission includes ensuring platform reliability, expanding partner capabilities, driving adoption of our fulfillment services, and contributing to the company’s Gross Transaction Value (GTV) growth by powering next‑generation fulfillment orchestration.
About the Job
- Build core platform components that power Connect API Fulfillment and the 3rd‑Party Fulfillment Platform.
- Deliver reliable, scalable APIs and orchestration systems that support complex, high‑volume fulfillment workflows.
- Drive execution of major platform initiatives, from architecture to implementation to launch.
- Collaborate with product and cross‑functional partners when needed to align on requirements and integration needs.
- Improve platform reliability, throughput, and developer experience.
- Contribute to the design of next‑generation fulfillment orchestration and partner‑facing APIs and tooling.
- Mentor engineers through technical guidance, code reviews, and thought leadership.
About You
Minimum Qualifications
- Bachelor’s or Master’s degree in Computer Science (or related field), or equivalent experience.
- 5+ years of backend development experience, with a strong record of project delivery.
- Experience drafting clear technical vision and design documents.
- Strong proficiency in owning and maintaining production services at high quality.
- Ability to rapidly deliver high‑quality code supporting high‑traffic systems.
- Experience working with product teams or customers in a collaborative environment.
- Proven ability to influence and mentor a team as a senior IC.
Preferred Qualifications
- Experience designing or scaling external APIs.
- Experience with distributed systems or orchestration‑style architectures.
- Experience integrating with external partners or 3rd‑party systems.
- Experience working across teams to develop platform‑level solutions.
- Track record of generating innovative, forward‑looking technical ideas.
#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.
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.
For US based candidates, the base pay ranges for a successful candidate are listed below.
Top Skills
Similar Jobs
What you need to know about the Charlotte Tech Scene
Key Facts About Charlotte Tech
- Number of Tech Workers: 90,859; 6.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Lowe’s, Bank of America, TIAA, Microsoft, Honeywell
- Key Industries: Fintech, artificial intelligence, cybersecurity, cloud computing, e-commerce
- Funding Landscape: $3.1 billion in venture capital funding in 2024 (CED)
- Notable Investors: Microsoft, Google, Falfurrias Management Partners, RevTech Labs Foundation
- Research Centers and Universities: University of North Carolina at Charlotte, Northeastern University, North Carolina Research Campus
