Fetch · 8 hours ago
Principal Software Engineer - Machine Learning
Fetch is a company that empowers consumers to earn rewards for their purchases, and they are seeking a Principal Machine Learning Engineer to design and scale systems for personalization and relevance across their platform. This role involves driving new initiatives, mentoring engineers, and shaping the technical direction of machine learning at Fetch.
E-CommerceLoyalty ProgramsMobile AppsShopping
Responsibilities
Build and scale ML infrastructure for personalization, search, ranking, and ad tech at consumer scale
Design and implement zero-to-one systems, including real-time learning and data pipelines
Lead technical design, architecture, and cross-team alignment for major ML initiatives
Mentor engineers and help raise the bar on technical execution and design quality
Partner with product and engineering teams to create dynamic systems that adapt to evolving user preferences
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
Exploring LLMs to enhance personalization, conversational search, and feature creation
Qualification
Required
Proven experience building and scaling ML infrastructure in support of personalization, relevance, search, or ad tech systems
Deep hands-on expertise in data infrastructure, distributed systems, and large-scale data pipelines
Experience working at a consumer product company with ML models operating at scale
Prior contributions to ranking, personalization, or ad tech systems with measurable business impact
Strong systems design skills, with a track record of leading architecture and communicating design tradeoffs
Experience mentoring and elevating other engineers
Success leading zero-to-one technical initiatives and delivering new infrastructure or ML systems from scratch
Ability to operate in high levels of ambiguity with minimal direction, prioritizing effectively and driving impact
Preferred
Familiarity with LLMs and their application in personalization, feature creation, and conversational search
Experience with streaming/real-time learning systems
Exposure to conversational search or large-scale information retrieval
Previous work bridging model development with real-time serving systems
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.
Company
Fetch
Fetch is a consumer-engagement platform that enables users to earn and redeem rewards.
H1B Sponsorship
Fetch has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (2)
2023 (2)
2022 (1)
2021 (2)
2020 (2)
Funding
Current Stage
Late StageTotal Funding
$691.85MKey Investors
Morgan Stanley Private CreditHamilton LaneSoftBank Vision Fund
2024-12-10Secondary Market
2024-03-20Debt Financing· $110M
2022-04-07Series E· $240M
Recent News
headline.com
2026-01-13
2025-09-17
Company data provided by crunchbase