Senior Machine Learning Engineer

Fetch Rewards

full-time

Posted on: 1/15/2026

Location Type: Remote

✨ AI Apply

About the role

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, and 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., GitHub 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.

Benefits

Equity: We offer employees equity in Fetch, so that everyone can benefit from Fetch’s growth.
401k Match: Dollar-for-dollar match up to 4%.
Benefits for humans and pets: We offer comprehensive medical, dental and vision plans for everyone including your pets.
Continuing Education: Fetch provides ten thousand per year in education reimbursement.
Employee Resource Groups: Take part in employee-led groups that are centered around fostering a diverse and inclusive workplace through events, dialogue and advocacy. The ERGs participate in our Inclusion Council with members of executive leadership.
Paid Time Off: On top of our flexible PTO, Fetch observes 9 paid holidays, including Juneteenth and Indigenous People’s Day, as well as our year-end week-long break.
Robust Leave Policies: 20 weeks of paid parental leave for primary caregivers, 14 weeks for secondary caregivers, and a flexible return to work schedule.
Calvin Care Cash: Employees who are welcoming new family members will also receive a one time $2,000 incentive to assist employees with covering the cost of childcare, clothing, diapers and much more!
Flexible Work Environment: Collaborate with your team in one of our stunning offices in Madison, Birmingham, or Chicago. Or you can work fully remotely from anywhere in the US. We’ll ensure you are equally equipped with the hardware and software you need to get your job done in the comfort of your home.

Tip: use these terms in your resume and cover letter to boost ATS matches.

machine learningPythonGomodel trainingdata samplingerror analysissynthetic data generationassisted labelingweak supervisionproduction systems

engineering mindsetproblem-solvingdebuggingcollaborationcritical evaluation