Apply on Employer Site

Block · 3 days ago

Staff Machine Learning Engineer (Modeling), Support

United States

Full-time

Remote

Lead/Staff

$277K/yr - $415K/yr

10+ years exp

Block is a company focused on economic empowerment, and they are seeking a Staff Machine Learning Engineer to lead the development of innovative customer support experiences through machine learning and generative AI. The role involves managing ML initiatives, collaborating with various teams, and enhancing support quality and efficiency across Block's products.

Financial Services

H1B Sponsor Likely

Responsibilities

Lead the end-to-end delivery of multiple ML initiatives, from planning and design through rollout, documentation, and long-term maintenance

Partner strategically with risk, product, engineering, design, and operations leaders to define and drive long term ML roadmaps, informed by domain expertise and industry trends

Guide the team's direction, identifying new ML/AI opportunities and advising leadership on strategic tradeoffs and opportunities

Drive R&D efforts exploring next-generation chatbot architectures using LLMs, RAG, fine-tuning, and real-time inference

Design, deploy, and maintain ML models powering conversational agents including support chatbots across Cash App, Square, and other Block products

Develop ML-powered tools and real time recommendation systems that enhance support agent effectiveness and customer outcomes

Act as the technical representative for your team's systems and programs, clearly communicating work and results to stakeholders, cross-functional partners, and external audiences

Qualification

Machine LearningApplied AIConversational AINatural Language ProcessingPythonDeep LearningPyTorchTensorFlowJAXLeadershipCommunication

Required

10+ years of experience in machine learning, applied AI, or product ML roles, with deep technical expertise

Demonstrated leadership capabilities, with the ability to influence and align cross-functional teams while directly shaping the work of peers through communication, context sharing, and technical guidance

A track record of delivering organizational wide impact, shaping systems, frameworks, or initiatives that raise the bar across multiple teams or functions

Proven ability to ship end to end ML features from problem framing through deployment and long-term maintenance

Demonstrated experience with language models, dialog systems, or generative AI in production

Strong foundation in NLP, deep learning, or ML infrastructure best practices

Excellent communication skills, with the ability to represent the team's work to leadership and stakeholders

Enthusiasm for R&D and pushing the boundaries of applied AI to transform conversational systems

Preferred

Experience with Python, PyTorch, TensorFlow, or JAX

Benefits

Remote work

Medical insurance

Flexible time off

Retirement savings plans

Modern family planning

Company

Block

Glassdoor3.9

Block is one company built from many blocks, all united by the same purpose of economic empowerment.

Founded in 1990

Oakland, California, US

10001+ employees

https://block.xyz/

H1B Sponsorship

Block has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (257)

2024 (253)

2023 (260)

2022 (297)