Staff Software Engineer, FoodStorm

Instacart is a grocery technology company transforming grocery delivery and food ordering. The Staff Software Engineer will modernize the FoodStorm on-demand ordering, catering, and prepared food platform through service-oriented architecture, scalable software development, system integration, and cross-functional collaboration.

Responsibilities:

• Actively contribute to the rearchitecture of FoodStorm’s platform, focusing on scalability and maintainability through a service-oriented approach
• Implement high-quality software solutions to enable seamless integration between FoodStorm and Instacart’s systems
• Conduct hands-on coding, technical problem-solving, and system optimization
• Collaborate closely with engineers, product managers, and designers across teams to ensure alignment on technical strategy and implementation
• Partner with the Australia-based engineering team, ensuring effective collaboration during overlapping work hours (~2 hours daily)
• Provide technical mentorship to peers, fostering a culture of learning and continuous improvement
• Help identify and implement best practices to improve the team’s efficiency and system performance

Requirements:

• 10+ years experience designing, building, and maintaining scalable systems and distributed architectures
• Proficiency in a modern programming language such as Python, Java, C#, or similar
• Strong hands-on experience with backend development and system integration
• Proven ability to solve complex technical problems in a collaborative environment
• Excellent communication and teamwork skills, with experience working across time zones (including ~2-hour overlap with Australia)
• Strong sense of ownership and accountability for delivering high-quality results
• Familiarity with .NET Core, SOA patterns, and API integrations is a plus
• Experience working on system modernization or large-scale technical migrations (e.g., monolithic to SOA)
• Experience with front-end web development
• Bachelor's degree in Computer Science, Engineering, or equivalent experience
• Knowledge of grocery retail, catering, or enterprise platform technologies
• A commitment to developing and deploying reliable, performant tools that deliver excellent partner and customer experiences