Senior Machine Learning Engineer, Applied AI

1 month ago
Full-time
Lead
Software Development
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

  • Design, build, and maintain scalable machine learning systems that power real customer and advocate experiences, including development, fine-tuning, and integration of large language models.
  • Leverage AI to automate support workflows and deliver new AI-powered support product experiences.
  • Build generative AI systems that scale across multiple business units and adapt to diverse products, users, and use cases.
  • Collaborate cross-functionally with product, engineering, design, and operations teams to ship impactful AI features at scale.
  • Stay current on LLM and applied ML developments and assess where techniques (e.g., RAG, distillation, fine-tuning, prompt orchestration) can improve systems.
  • Produce production-quality code and services with testing, evaluation, and monitoring, and iterate on MVPs to improve products.
  • Mentor peers and contribute to technical documentation, design reviews, and shared best practices for applied ML systems.
  • Understand internal customers’ needs (platform’s developer and product teams) to design tools and systems that solve those problems.

Requirements

  • 8+ years of experience training and deploying ML models, developing ML software, and shipping customer-facing ML products.
  • Deep understanding of modern ML techniques (e.g., Large Language Models) and the full ML lifecycle from data gathering, training, model evaluation, MLOps, to productionizing models.
  • Experience using any major cloud vendor for high-scale production use cases.
  • Ability to produce production-quality code and services that include testing, evaluation, and monitoring.
  • Demonstrated ability to quickly adapt to new domains, build MVPs, and iterate to improve products.
  • Strong verbal and written communication skills with technical and non-technical stakeholders.
  • Pragmatic problem-solving approach when addressing novel and unconventional problems.
  • Experience mentoring peers and contributing to technical documentation, design reviews, and shared best practices.

Benefits

  • Market-based competitive salary with U.S. pay zones (Zone A: $228,700–$343,100; Zone B: $217,300–$325,900; Zone C: $205,900–$308,900; Zone D: $194,500–$291,700).
  • Remote work options (remote-first/flexible work)
  • Medical insurance and other health benefits
  • Flexible time off (flexible PTO)
  • Retirement savings plans
  • Modern family planning benefits
  • Inclusive interview experience with reasonable accommodations for disabled applicants

Interested in this position?

Apply directly on the company website

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