About the role

Senior Machine Learning Engineer building the foundation for Circle's recommendation engine and discovery marketplace. Aiming to enhance users' goals through innovative ML systems.

Responsibilities

Help build the discovery feed — the core recommendations engine that powers how consumers find creators, products, and communities that help them grow.
Partnering closely with Circle’s CEO and co-founders to execute on a vision that redefines discovery in the creator economy.
Designing, implementing, and iterating on large-scale ML systems — from embeddings and ranking models to experimentation frameworks — to reach product/market fit.
Using data, experimentation, and engineering intuition to make fast, high-quality decisions that unlock transformational consumer experiences.
Obsessing over the craft, quality, and performance of the algorithms that turn Circle Discover into a household name.

5+ years of hands-on software engineering experience, with at least 2+ years focused on machine learning, data, or recommendation systems.
Experience building or scaling feeds, ranking systems, or large-scale consumer-facing ML products.
Strong proficiency in backend and data engineering skills — from system design to productionizing ML models.
Deep understanding of consumer app dynamics and what drives product/market fit in discovery and recommendation experiences.
The curiosity and drive to learn fast, experiment aggressively, and thrive in a highly dynamic environment.
Comfortable in a fast-paced environment with a certain level of ambiguity, especially when learning and picking up new technologies when projects require it.
Strong alignment with our values, find our values on our career page if you haven’t read up on them yet.
You are proficient in English (spoken, written, and reading) at a CEFR Level C2 / ILR Level 5.

Fully remote: work from anywhere in the world!
Autonomy and trust to do your job: we care about outcomes over everything else.
Paid time away: all employees are given 35 days of PTO annually. We also offer a paid sabbatical after 5 years.
Generous U.S. benchmarked compensation and startup equity no matter where you are in the world.*
Awesome medical coverage with 100% coverage for you and your family, or medical reimbursement options where applicable!*
Parental leave for parents expanding their family, or just starting one.
Home office stipend to help you get up and running.
Learning & development stipend to help you level up your professional skills.
Annual bonus potential for roles that don't already receive variable income or commission.
Company retreats: Twice a year, the Circle team gets together for a fully paid company retreat in incredible places around the world! We’ve had past retreats in Colombia, Portugal, and Mexico, with more planned on the horizon.