Block

Block

Block is a company that consists of Square, Cash App, Spiral, TIDAL, TBD, and foundational teams. They are focused on economic empowerment by creating tools to expand access to the economy. Square helps sellers run and grow businesses, Cash App redefin...

Capital Markets
10K-50K
Founded 2009

Description

  • Partner with product, engineering, data science, policy, and operations teams to design and productionize ML-driven risk solutions at scale.
  • Own end-to-end machine learning systems from problem definition and modeling through deployment, monitoring, and iteration.
  • Lead technical decision-making within workstreams and help shape ML strategy and planning.
  • Build tooling and processes that improve the speed, reliability, and impact of the ML development lifecycle.
  • Apply advanced modeling techniques and third-party data sources to improve detection and decision-making.
  • Investigate emerging fraud, abuse, and risk patterns and use findings to inform product safeguards and policy.
  • Collaborate with ML platform and engineering teams to ensure models run reliably in real time and at scale.

Requirements

  • 8+ years of industry experience in machine learning, applied AI, or a related field.
  • Bachelor’s degree in a quantitative field such as Computer Science, Engineering, Statistics, Physics, or Applied Math; Master’s or PhD preferred.
  • Proven experience independently designing, deploying, and maintaining ML solutions in production.
  • Strong familiarity with tree-based models, deep learning, transfer learning, or reinforcement learning.
  • Experience influencing technical direction and collaborating with cross-functional partners at scale.
  • Strong communication skills, sound judgment, and an ownership mindset.
  • Curiosity and alignment with Block’s mission of economic empowerment.
  • Experience in adversarial ML, NLP/LLMs, credit modeling, or model validation is relevant to the open roles.
  • Experience with Python, PySpark, MLflow, GCP Vertex AI, AWS, Snowflake, MySQL, Tableau, or Mode is helpful.

Benefits

  • Remote work.
  • Medical insurance.
  • Flexible time off.
  • Retirement savings plans.
  • Modern family planning benefits.
  • Access to additional Block employee benefits.

Interested in this position?

Apply directly on the company website

Apply Now

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