Backend Engineer

## About the company GreenChoice, PBC is the leading public benefit food health intelligence company. GreenChoice gives 40+ food retail and technology partners instant access to personalized nutritional guidance, evidence-based food health scores, and verified health attribute data on over 1 million food products, with award-winning integrations to meet consumers' changing health needs and provide medically tailored food-as-medicine benefits. GreenChoice has already guided over 10 million healthier purchases. Google named GreenChoice one of the three "Best Apps for Good" in the U.S. GreenChoice is backed by Katapult and BonBillo Ventures, partners with Stanford University School of Medicine, and members of the Tufts Friedman School Food & Nutrition Innovation Council. GreenChoice is guided by a Science Advisory Board of leading PhDs, dietitians, and researchers in public health, nutrition science, environmental science, and behavior change. ## About the role As a Backend Engineer at GreenChoice, you will design and maintain the APIs, services, and data systems that power our food intelligence platform. You will work primarily in Node.js, building REST and GraphQL APIs and modeling data across relational and NoSQL databases that hold information on more than a million food products. You will work closely with product, data, and front end teams to deliver services that are reliable, performant, and secure at scale. This role is for someone who enjoys data modeling, API design, and the systems work behind a product, and who wants to own backend features from design through production. ## Key Responsibilities - Backend Development: - Design, implement, and maintain RESTful and GraphQL APIs using Node.js and Express. - Model, query, and optimize data across relational and NoSQL databases (MySQL, PostgreSQL, MongoDB, Redis). - Ensure data integrity, performance, and scalability across services. - Build and maintain services and data flows that support the product's scoring and personalization features. - Integration and Collaboration: - Work with front end engineers to define clear API contracts and ensure smooth data flow into applications. - Collaborate with the data team on pipelines, storage, and query performance. - Participate in code reviews, technical design discussions, and architectural decisions. - Quality and Maintenance: - Write unit and integration tests to keep services stable. - Keep code clean, well-documented, and reusable. - Debug, optimize, and monitor service performance, reliability, and security. ## Required Skills and Qualifications - 3 to 5 years of backend development experience. - Strong proficiency in: Node.js (Express or similar frameworks), REST and GraphQL API design, SQL databases (MySQL or PostgreSQL), NoSQL databases (MongoDB, Redis). - Experience with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes). - Strong understanding of software design patterns, system architecture, and performance optimization. - Excellent problem-solving skills and attention to detail. - Ability to work in a fast-paced, collaborative environment. ## What we offer - Competitive salary and equity. - Flexible work arrangements (India preferred or remote). - Opportunities to work on impactful, mission-driven projects. - Professional growth and development. - A collaborative and inclusive team culture. - Health and wellness benefits.