Who you are

• This position is ideal for strong owners who are deeply curious and eager to develop a comprehensive understanding of our domain and business priorities
• 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
• 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
• Instacart's technology is constantly evolving and adapting. Some of the technologies you would use in our teams at Instacart include:

What the job involves

• We are looking for a skilled, collaborative and highly driven senior software engineer with a passion for system design to join the Loyalty & Membership team
• Our team’s mission is to make Instacart affordable for all customers by giving them access to loyalty programs benefits
• In this role, you will design, develop and launch loyalty features that will reach millions of customers
• You'll have the chance to work closely with BD, Data Science, Design, Product, and cross-functional engineering teams, taking full ownership of projects from start to finish
• Embracing an experiment-driven approach, you'll be able to measure your impact with precision and have numerous opportunities to make a meaningful difference
• You'll be joining a highly collaborative team of talented engineers who prioritize mentorship, shared growth and continuous learning
• We pride ourselves on a low-overhead, high-autonomy environment where productive design reviews and an outcome-driven approach are core pillars of our team culture
• Mplement 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
• Instacart's technology is constantly evolving and adapting. Some of the technologies you would use in our teams at Instacart include:
• Ruby on Rails framework using Sorbet for strong-typing
• Client-facing flexible APIs exposed via GraphQL
• Postgres and Snowflake backend relational data stores
• Temporal workflow
• Async durable event handling infrastructure including async RPC via AWS SNS/SQS, RabbitMQ
• Caching and durable job dispatching using Memcached and Redis
• Auto-scaling elastic service deployments built on AWS ECS, ALBs, and supporting cloud services
• Rich monitoring and alerting infrastructure built on AWS Cloud Watch, DataDog, Sentry, OpsGenie, and supporting services
• Any new integrations you will research, propose, implement, and deploy!

Benefits

• Wellness Tailored to You: Medical, dental, vision, retirement, life & disability coverage right alongside physical & mental wellness programs, memberships and stipends to keep you and your family feeling your best.
• Family Building Benefits: No matter where you are in your family journey, we support you. Our plans cover modern family planning for all. We offer leave for all parents, flexible working schedules and an active Parents@ community.
• Work From Home Stipend: We help outfit your WFH setup and offer reimbursements so you can be your most productive while at home.
• Flexible Time Off: We all recharge differently. Take the time you need with our flexible time off policy and company-wide Self-Checkouts where we encourage everyone to sign off.
• Learning & Development: Whether you're just starting your career or leading teams, we provide customized L&D programs to help you grow and an annual allowance to pursue your development.
• Future Planning: We have you covered as you plan for your future. 401(k) matching in the US and RRSP in Canada, student loan assistance through Peanut Butter, free Rocket Lawyer membership, SoFi & First Republic financial planning and more.
• Four Year Fill-Up: We encourage our tenured employees to take longer breaks and truly unplug by doing something they love – typically four consecutive weeks around the four year mark.
• Community Connection: Support the communities you care about with volunteer weeks and get involved with our social impact program, Instacart Serves.
• Instacart Express Membership: We help keep your fridge stocked. Unlock grocery discounts with our Instacart Beta app while testing our latest features.