Careers - Staff Machine Learning Engineer (Modeling), Support

Block

Quick summary

Work type
On-site
Location
Seattle, WA
Salary
$189,000–$283,600 / yr
Posted
today

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $222k
This role $236k
$167k most similar roles pay here $296k

This role pays more than 60% of similar roles. Most pay $185,000–$259,421 — the shaded band above. At the midpoint, this role pays about $236k versus about $222k for comparable roles.

Based on 240 similar postings.

Employer

About Block

Block, Inc. (formerly Square) is a financial technology company operating the Square merchant payments ecosystem, Cash App peer-to-peer payments, TIDAL music streaming, and Bitcoin-focused financial services. Industry: Financial Technology & Payments

Block currently has 56 open roles on FindRole.

Listed pay typically runs $180,000–$270,000 across 55 roles with salary data.

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View all roles at Block

At a glance

TL;DR · Careers - Staff Machine Learning Engineer (Modeling), Support

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As a Senior Machine Learning Engineer on Block's Support ML Modeling team, you will lead the end-to-end development of multiple machine learning initiatives, from planning through maintenance, while collaborating with cross-functional teams to drive long-term roadmaps. You will design and deploy advanced conversational AI systems using large language models, retrieval-augmented generation, and real-time inference techniques across Cash App, Square, and other Block products. The ideal candidate has over 10 years of experience in machine learning roles, a strong background in NLP and deep learning, and proficiency with Python, PyTorch, TensorFlow, or JAX. This role requires expertise in building scalable ML systems that enhance customer support experiences through intelligent automation and voice interfaces, aiming to revolutionize conversational AI at Block.

Skills

Python PyTorch TensorFlow JAX NLP Deep Learning ML Infrastructure LLMs RAG Fine-Tuning Real-Time Inference CI/CD

What you'll do

  • Lead the end-to-end delivery of ML initiatives from planning to maintenance.
  • Define and drive long-term ML roadmaps with cross-functional leaders.
  • Guide team direction by identifying new ML/AI opportunities and advising on tradeoffs.
  • Drive R&D for next-generation chatbot architectures using advanced AI techniques.
  • Design, deploy, and maintain ML models for conversational agents across Block products.

What we're looking for

  • 10+ years of experience in machine learning or product ML roles with deep technical expertise.
  • Proven leadership and ability to influence cross-functional teams and shape peers' work through guidance.
  • Track record of delivering organizational-wide impact through systems, frameworks, or initiatives.
  • Demonstrated ability to ship end-to-end ML features from problem framing to long-term maintenance.
  • Experience with language models, dialog systems, or generative AI in production environments.
  • Strong foundation in NLP, deep learning, and ML infrastructure best practices.

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