Customer Support Engineer - Tier 3 - Weights & Biases

Weights and Biases
Livingston, NJ / New York, NY / Sunnyvale, CA / Bellevue, WA / Remote - US$165k – $242kPosted 1 March 2026

Job Description

<div class="content-intro"><div id="message-list_1758129707.765969" class="c-virtual_list__item" data-qa="virtual-list-item" data-item-key="1758129707.765969"> <div class="c-message_kit__background c-message_kit__background--hovered p-message_pane_message__message c-message_kit__message" data-qa="message_container" data-qa-unprocessed="false" data-qa-placeholder="false"> <div class="c-message_kit__hover c-message_kit__hover--hovered" data-qa-hover="true"> <div class="c-message_kit__actions c-message_kit__actions--default"> <div class="c-message_kit__gutter"> <div class="c-message_kit__gutter__right" data-qa="message_content"> <div class="c-message_kit__blocks c-message_kit__blocks--rich_text"> <div class="c-message__message_blocks c-message__message_blocks--rich_text" data-qa="message-text"> <div class="p-block_kit_renderer" data-qa="block-kit-renderer"> <div class="p-block_kit_renderer__block_wrapper p-block_kit_renderer__block_wrapper--first"> <div class="p-rich_text_block"> <div class="p-rich_text_section">CoreWeave, the AI Hyperscaler™, acquired Weights Biases to create the most powerful end-to-end platform to develop, deploy, and iterate AI faster. Since 2017, CoreWeave has operated a growing footprint of data centers covering every region of the US and across Europe, and was ranked as one of the TIME100 most influential companies of 2024. By bringing together CoreWeave’s industry-leading cloud infrastructure with the best-in-class tools AI practitioners know and love from Weights Biases, we’re setting a new standard for how AI is built, trained, and scaled.</div> <div class="p-rich_text_section"><br>The integration of our teams and technologies is accelerating our shared mission: to empower developers with the tools and infrastructure they need to push the boundaries of what AI can do. From experiment tracking and model optimization to high-performance training clusters, agent building, and inference at scale, we’re combining forces to serve the full AI lifecycle — all in one seamless platform.</div> <div class="p-rich_text_section"><br>Weights Biases has long been trusted by over 1,500 organizations — including AstraZeneca, Canva, Cohere, OpenAI, Meta, Snowflake, Square,Toyota, and Wayve — to build better models, AI agents and applications. Now, as part of CoreWeave, that impact is amplified across a broader ecosystem of AI innovators, researchers, and enterprises.</div> <div class="p-rich_text_section"><br>As we unite under one vision, we’re looking for bold thinkers and agile builders who are excited to shape the future of AI alongside us. If you're passionate about solving complex problems at the intersection of software, hardware, and AI, there's never been a more exciting time to join our team.</div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div></div><p>As Weights Biases and CoreWeave unite to deliver the most powerful AI development platform, the <strong>Customer Support Engineer (Tier 3)</strong> plays a pivotal role in ensuring our most complex and business-critical issues are resolved quickly and effectively.</p> <p>This role serves as the <strong>bridge between Support and Engineering</strong>, diving deep into escalated technical challenges, identifying root causes, and partnering closely with engineering teams to ensure long-term fixes and improvements. Your work enables our engineers to stay focused on building and scaling the platform while ensuring our customers receive the highest level of technical care.</p> <h3><strong>What You’ll Do</strong></h3> <ul> <li>Own and resolve <strong>Tier 3 technical escalations</strong> from the support team — highly complex or cross-functional issues requiring deep technical investigation.</li> <li>Perform in-depth troubleshooting and root cause analysis across Weights Biases systems, APIs, and integrations.</li> <li>Reproduce, isolate, and document bugs for handoff to engineering.</li> <li>Develop diagnostic scripts, tools, and automation ... (truncated, view full listing at source)