Senior Machine Learning Engineer

What we’re building and why we’re building it.

Every month, millions of people use Fetch earning rewards for buying brands they love, and a whole lot more. Whether shopping in the grocery aisle, grabbing a bite at the drive-through or playing a favorite mobile game, Fetch empowers consumers to live rewarded throughout their day. To date, we’ve delivered more than $1 billion in rewards and earned more than 5 million five‑star reviews from happy users.

It’s not just our users who believe in Fetch: with investments from Soft Bank, Univision, and Hamilton Lane, and partnerships ranging from challenger brands to Fortune 500 companies, Fetch is reshaping how brands and consumers connect in the marketplace. When you work at Fetch, you play a vital role in a platform that drives brand loyalty and creates lifelong consumers with the power of Fetch points.

User and partner success are at the heart of everything we do, and we extend that same commitment to our employees.

At Fetch, we value curiosity, adaptability, and the confidence to explore new tools, especially AI, to drive smarter, faster work. You don’t need to be an expert, but you should be ready to learn quickly and think critically. We welcome learners who move fast, challenge the status quo, and shape what’s next, with us. Ranked as one of America’s Best Startup Employers by Forbes for two years in a row, Fetch fosters a people‑first culture rooted in trust, accountability, and innovation.

We encourage our employees to challenge ideas, think bigger, and always bring the fun to Fetch.

Fetch is an equal employment opportunity employer.

We are seeking a Machine Learning Software Engineer to join Fetch’s Scan, Match & Catalog team. This role sits at the intersection of applied machine learning, data engineering, and production systems, with a focus on improving receipt understanding, product matching, and catalog enrichment  will partner closely with product, operations, and platform teams to deliver ML‑driven automation, including computer vision and OCR pipelines, LLM‑based workflows, and scalable ML services.

This is a high‑impact opportunity to help shape Fetch’s Scan‑to‑Catalog foundation and significantly increase automation, quality, and match coverage across the platform.

• Build and scale ML models across the scan, match and catalog pipeline, supporting receipt understanding, product matching, and catalog enrichment.
• Implement and iterate on active learning strategies, including data sampling, error‑driven retraining, and human‑in‑the‑loop workflows.
• Leverage LLMs to reduce model training and annotation effort, including synthetic data generation, assisted labeling, weak supervision, and error analysis.
• Own ML experimentation, evaluation, and production inference for assigned SMaC components.
• Collaborate with product, data, and platform partners to translate quality gaps into ML improvements.
• Maintain high standards for model performance, reliability, and data quality.
• Use AI tools to accelerate your work, including:
• Designing features and validating ideas with ChatGPT & Claude sandboxes.
• Leveraging AI for code generation and technical prototyping.
• Using AI assistants for systems architecture diagramming and design validation.

• 5+ years experience in software engineering, with production‑level coding experience.
• Strong proficiency in Python for ML development, with working knowledge of Go, and hands‑on experience deploying models into production systems. Experience with AWS technologies and distributed systems.
• Practical experience applying LLMs to reduce training and annotation effort, including assisted labeling, synthetic data generation, weak supervision, or error analysis.
• Strong engineering mindset with the ability to deliver reliable, maintainable, and scalable systems.
• Experience with AI‑assisted coding tools (e.g., Git Hub Copilot, ChatGPT, or similar) to improve development efficiency and code quality.
• Ability to critically evaluate AI‑generated outputs, with strong debugging and problem‑solving skills to validate correctness.

• Bachelor’s or Master’s degree in Computer…