Senior Software Engineer

Summary

Join Instacart as a Senior Software Back-end Engineer (L5) and build high-performance systems managing non-monetary value (credits, coupons) within our Commerce platform. You will design scalable, extensible solutions for millions of incentive transactions, impacting our Affordability pillar. This role requires strong ownership, collaboration, and a deep understanding of our business priorities. You'll work in a flexible, remote environment with a highly collaborative team focused on mentorship and continuous learning. The position offers competitive compensation and benefits, including equity grants.

Requirements

• Bachelor's degree in Computer Science or Computer Engineering
• 5+ years with back-end development
• 3+ years with system design and architecture
• Proficient in backend languages like Ruby, Python, Java
• Experienced working with database systems such as PostgreSQL, MongoDB, or MySQL
• Experienced using caching mechanisms like Memcached or Redis
• Experience with high scale throughput and distributed systems problems
• Strong ownership mindset

Responsibilities

• Implement robust back-end services and APIs, writing clean, maintainable, and efficient code
• Optimize applications for peak performance and scalability
• Validate the technical feasibility of system designs and contribute actively to all development lifecycle phases
• Focus on operational excellence with strong test coverage, monitoring, intuitive metrics, and alerting
• Design scalable and low-latency back-end architectures for high-volume incentive processing systems
• Develop solutions that are extensible and can support new business initiatives effectively
• Coordinate with cross-functional teams to ensure alignment of project goals and schedules

Preferred Qualifications

• Expertise in invoicing and billing processes within an e-commerce environment. This includes being familiar with customer invoices, resolving discrepancies, and managing invoicing cycles. Familiarity with relevant invoicing regulations and tax requirements is beneficial
• Experience with order management systems (OMS) or eCommerce platforms that handle the end-to-end order lifecycle. Understanding of the overall eCommerce operations and processes involved in managing customer orders, from the point of placing an order to delivery
• Understanding of various payment systems and methods used in eCommerce, including credit/debit cards, digital wallets, mobile payments, and alternative payment solutions. Familiarity with payment gateways and payment service providers (PSPs) is also valuable
• Experience in eCommerce discounting, including a solid understanding of discount strategies and promotional campaigns. Good knowledge of pricing strategies, discount structures and ability to analyze the financial impact of different discount scenarios and make data-driven decisions

Benefits

• Highly market-competitive compensation and benefits
• Remote work
• New hire equity grant
• Annual refresh grants
• $165,000 — $183,000 CAD (base pay range for Canadian candidates)