Crossing Hurdles is a global recruitment consultancy partnering with a hyper-growth AI content optimization platform helping brands dominate AI and traditional search. Scaling from $2M → $10M ARR in under a year and backed by a fresh Series B of $200M (Sep 2025), the company empowers teams to create and optimize content at scale—driving rapid growth, innovation, and global impact. Role: Product Engineer Location: San Francisco or New York (Hybrid) Tech Stack: React, TypeScript, Python, JavaScript (Node.js), SQL. Compensation: $170k–$350k + Competitive Equity. YOE: 3+ years of experience as...

At Crossing Hurdles, we work as a referral partner. We refer candidates to Mercor that collaborates with the world’s leading AI research labs to build and train cutting-edge AI models. Organization: Mercor Position: CUDA Kernel Optimizer – ML Engineer Referral Partner: Crossing Hurdles Type: Hourly Contract Compensation: $120–$250/hour Location: Remote Commitment: 10-40hr/week, flexible hours Role Responsibilities (Training support will be provided) Develop, optimize, and benchmark CUDA kernels for tensor and operator workloads Tune for occupancy, memory coalescing, instruction-level paralle...

At Crossing Hurdles, we work as a referral partner. We refer candidates to Mercor that collaborates with the world’s leading AI research labs to build and train cutting-edge AI models. Organization: Mercor Position: PyTorch Operator - ML Engineer Referral Partner: Crossing Hurdles Type: Hourly Contract Compensation: $100–$160/hour Location: Remote Commitment: 10-40hrs/week, flexible, asynchronous Role Responsibilities (Training support will be provided) Design and implement new PyTorch tensor operators in C++/ATen. Develop and validate Python bindings ensuring correct gradient propagation an...