Staff Machine Learning Engineer (Modeling), Support

Block
Seattle
Workplace: RemoteFull timeFunction: Data Science & Machine LearningExperience: 10+ yearsSkills: ["Leadership","Communication","Cross-functional collaboration","Strategic thinking"]

Build and scale AI-driven support experiences across Block’s ecosystem, including conversational agents and internal tools for support agents. Lead end-to-end ML initiatives from planning and design through rollout and long-term maintenance, partnering with risk, product, engineering, design, and operations. Drive R&D in next-generation chatbot architectures using LLMs, RAG, fine-tuning, and real-time inference, while shaping ML roadmaps and advising leadership.

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FursaFursa
Block
Block
1 day ago

Staff Machine Learning Engineer (Modeling), Support

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 59 minutes agoStatus: Live
Reposted: similar role first listed 3 months ago

Job Summary

Build and scale AI-driven support experiences across Block’s ecosystem, including conversational agents and internal tools for support agents. Lead end-to-end ML initiatives from planning and design through rollout and long-term maintenance, partnering with risk, product, engineering, design, and operations. Drive R&D in next-generation chatbot architectures using LLMs, RAG, fine-tuning, and real-time inference, while shaping ML roadmaps and advising leadership.
Location: Seattle
Workplace: Remote
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Lead end-to-end delivery of multiple ML initiatives from planning and design through rollout, documentation, and long-term maintenance
  • •Partner with risk, product, engineering, design, and operations leaders to define and drive ML roadmaps
  • •Guide the team’s direction by identifying new ML/AI opportunities and advising leadership on tradeoffs
  • •Drive R&D exploring next-generation chatbot architectures using LLMs, RAG, fine-tuning, and real-time inference
  • •Design, deploy, and maintain ML models and ML-powered recommendation systems that support conversational agents and improve agent effectiveness and customer outcomes

Pay and Benefits

Perks:Remote WorkHealth InsuranceFlexible TimeRetirement Savings

Key Requirements

  • •10+ years of experience in machine learning, applied AI, or product ML with deep technical expertise
  • •Demonstrated leadership ability to influence cross-functional teams and provide technical guidance
  • •Proven track record delivering end-to-end ML features from problem framing through deployment and long-term maintenance
  • •Production experience with language models, dialog systems, or generative AI
  • •Strong foundation in NLP, deep learning, or ML infrastructure best practices
Experience:10+ years
Skills:LeadershipCommunicationCross-functional collaborationStrategic thinking
Languages:English
Tech Stack:PythonPyTorchTensorFlowJAXLLMsRAG

Company Brief

Block
Builds financial services and commerce tools to empower businesses and individuals, operating products such as Square, Cash App, Spiral (Bitcoin initiatives), TIDAL, and developer-focused payment and banking solutions.
Industry: Fintech Infrastructure
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 2009
WebsiteLinkedIn