Instacart is seeking a Senior Machine Learning Engineer II for their Search & Recommendations Ranking team. This role focuses on building and optimizing the foundational ranking backbone that powers the entire shopping journey, aiming to improve metrics beyond clicks, such as GTV, basket lift, and retention. The position involves architecting multi-task/multi-objective models, designing value-aware optimization systems, and enhancing retrieval with LLMs, while also owning the inference layer and advancing evaluation practices. Experience with production ML, multi-objective optimization, and online testing is required, with a preference for expertise in multi-task learning, causal modeling, and low-latency ranking services.

Senior Data Scientist on the Shopping Experience team at Instacart, focusing on Search. This role owns the analytics and experimentation strategy for search relevance, ranking quality, and latency, partnering with Product, Engineering, and ML. Responsibilities include defining metrics, designing and analyzing A/B tests, building diagnostic analyses, connecting offline model evaluation with online metrics, and improving data quality for search. The role requires strong analytical skills, product sense, and communication, with experience in A/B testing, SQL, Python/R, and modern AI tooling. Preferred qualifications include experience in search relevance, recommendations, NLP, embeddings, and bridging offline/online evaluation.

Senior Machine Learning Engineer with Operations Research background to join the Service Availability & Routing team. Focuses on designing, developing, and deploying ML solutions for marketplace challenges like order batching, shopper routing, service availability prediction, and real-time assignment, directly impacting profitability and shopper experience at scale. Collaborates with product, data science, and backend engineers.

Instacart is seeking a Senior Data Scientist II to drive AI for Analytics initiatives. This role involves identifying product opportunities using data, deploying AI systems in production, and enhancing product features with intelligent functionality. The ideal candidate will have extensive experience in data science, Python, SQL, and building production ML models, with a focus on driving product strategy and collaborating cross-functionally.

Instacart is seeking a Senior Data Scientist II to drive AI for Analytics, focusing on identifying promising opportunities, deploying AI systems in production, and improving product features with data science methods. The role requires strong collaboration, product roadmap creation, and the ability to build and deploy ML models into production.

Instacart is hiring a Senior Machine Learning Engineer II for their Growth Modeling team. This role will focus on developing and deploying ML/AI solutions for incentive optimization to drive business growth. Responsibilities include identifying opportunities, defining roadmaps, mentoring team members, and partnering with cross-functional teams. Experience in causal modeling, LLMs, and reinforcement learning is preferred.

This role focuses on developing and deploying AI-powered systems to enhance analytical work and enable self-serve analytics at scale within Instacart's consumer marketplace. The Senior Data Scientist II will own product strategy, identify high-impact AI/ML opportunities, and lead the integration of AI systems with data experts to improve feature launch velocity and overall analytical efficiency.