Senior Backend Engineer jobs in United States
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Speak · 1 day ago

Senior Backend Engineer

positionSan Francisco Bay Area
timeFull-time
remoteHybrid
senioritySenior Level
date5+ years exp

Speak is a leading AI company focused on reinventing language learning through innovative technology. They are seeking a Senior Backend Engineer to develop AI-powered product experiences and scalable backend systems, contributing significantly to the company's growth and product offerings.

Artificial Intelligence (AI)E-LearningLanguage LearningSpeech Recognition
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H1B Sponsor Likelynote

Responsibilities

Building novel AI-driven product experiences and user interfaces on the web
Full-stack engineering, but focused on creating scalable backend systems
Debugging complex streaming issues
Owning the entire development cycle of features, from conception to production
You'll be able to write code very quickly, ship frequently, and make a huge impact on our business by helping us scale our content

Qualification

Backend EngineeringAI Product DevelopmentFull-stack EngineeringProblem-solvingProduct SenseCommunication SkillsMentoring

Required

5+ years of industry experience working as a Backend Engineer, preferably in a fast-paced startup environment
Excellent problem-solving and communication skills, and the ability to work independently or as part of a team
Coach and mentor other engineers
Strong product sense: ability to think broadly/cross-functionally about product experiences

Preferred

worked on an app that has been used by 1M users

Company

Speak

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The language learning app that gets you speaking
dateFounded in 2017
location
San Francisco, California, USA
people-size51-200 employees
web-link
https://www.speak.com

H1B Sponsorship

Speak 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 (3)
2024 (3)

Funding

Current Stage
Growth Stage
Total Funding
$152M
Key Investors
AccelBuckley VenturesLachy Groom
2024-12-10Series C· $78M
2024-06-21Series B· $20M
2023-07-19Series B· $16M

Leadership Team

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Andrew Hsu
Cofounder & CTO
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Recent News

Android Authority
Can't stick with Duolingo? Speak makes the case for voice-first language lessons
2025-12-11
GlobeNewswire
Digital Language Learning Market Set to Exceed US$ 116.88 Billion by 2033 as Record User Engagement Accelerates the Global Shift Toward Habitual Learning Says Astute Analytica
2025-12-08
Pulse 2.0
Raindrop: $15 Million Closed To Detect Critical AI Agent Failures
2025-12-03
Company data provided by crunchbase