extend · 1 month ago
Customer Success Engineer
New York City
Full-time
Onsite
Entry, Mid Level
$150K/yr - $175K/yrExtend is building a modern document processing cloud aimed at transforming how the world works with unstructured data. As a Customer Success Engineer, you will be the first technical responder for customers, ensuring they can deploy and operate Extend successfully while maintaining high-stakes SLAs and influencing product improvements.
Software
Responsibilities
Act as the first technical responder to inbound customer issues across Slack and Pylon
Triage and debug schema errors, parsing issues, processor misconfigurations, and integration failures
Reproduce issues quickly in Extend to isolate root causes, distinguishing user error, product gaps, and novel edge cases
Maintain exceptional SLAs by prioritizing, escalating, and communicating clearly with customers to unblock with minimal handoffs
Author internal playbooks and lightweight run books to improve speed and consistency
Help customers adopt new features and understand best practices for deploying Extend
Collaborate closely with our founding team to shape the early support function at Extend as we scale aggressively
Qualification
Required
Ability to read and debug JSON, APIs, logs, and customer request payloads
Strong troubleshooting instincts, you enjoy breaking things and fixing them
Excellent written communication and rapid context switching
Comfort interacting directly with technical users (engineers, ML teams, architects)
Curiosity: you dig until you truly understand the customer's environment and the underlying issue
Learns extremely fast: you'll need to understand Extend deeply and stay current with a fast-moving product
High ownership: you don't wait for direction; you proactively chase down answers and close loops
Company
extend
Extend is an artificial intelligence company that transforms documents into structured data using LLMs.
Founded in 2023
11-50 employees
H1B Sponsorship
extend 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 (6)
2024 (6)
2023 (7)
2022 (20)
2021 (5)
Funding
Current Stage
Early StageTotal Funding
$17.5MKey Investors
Innovation EndeavorsY Combinator
2025-06-17Series A· $17M
2023-04-05Pre Seed· $0.5M
Leadership Team
Kushal Byatnal
Co-founder & CEO
Recent News
2025-11-20
FinTech Global
2025-09-19
vcnewsdaily.com
2025-09-19
Company data provided by crunchbase