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Block · 5 days ago

Senior Machine Learning Engineer, Applied AI

United States

Full-time

Remote

Senior Level, Lead/Staff

$229K/yr - $343K/yr

8+ years exp

Block is a company focused on economic empowerment and is seeking a Senior Machine Learning Engineer to join their team. The role involves designing, developing, and launching AI-driven features and tools to enhance customer support experiences using machine learning technologies.

Financial Services

H1B Sponsor Likely

Responsibilities

Leverage AI to automate support workflows and deliver new AI-powered support product experiences

Design, build, and maintain scalable machine learning systems, including developing, fine-tuning, and integrating large language models and related systems, that power real customer and advocate experiences

Collaborate cross-functionally with product, engineering, design, and operations teams to ship impactful AI features at scale

Build generative AI systems that scale intelligently across multiple business units, adapting to diverse products, users, and use cases

Stay current on the latest developments in LLMs and applied ML, assessing where new techniques (e.g., RAG, distillation, fine-tuning, prompt orchestration) can enhance our systems

Mentor peers and contribute to technical documentation, design reviews, and shared best practices that raise the engineering bar for applied ML systems

Qualification

Machine LearningLarge Language ModelsMLOpsCloud ComputingAI Product DevelopmentCommunication SkillsProblem Solving

Required

8+ years of experience in 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 ML lifecycle from data gathering, training, model evaluation, MLOps, and productionizing models

Ruthless pragmatism when solving new and unconventional problems

A desire to understand our clients' needs in order to design tools and systems that solve our customer's problems. As a platform team, our main customers are internal developers and products

Ability to produce production-quality code and services incorporating testing, evaluation, monitoring as well as the ability to quickly adapt to a new domain, hack MVP's, and iterate to improve product

Experience using any of the major cloud vendors for high scale production use cases

Strong communication skills (verbal and written) with technical and non-technical stakeholders

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)