
Together with a very talented team of speech recognition scientists and linguistic experts, we created ELSA (English Language Speech Assistant), one of the smartest A.I. assistant for pronunciation…

Together with a very talented team of speech recognition scientists and linguistic experts, we created ELSA (English Language Speech Assistant), one of the smartest A.I. assistant for pronunciation…
Product: AI-powered English pronunciation coach (ELSA Speak) with mobile apps and related tools
Founded: 2015
User scale: Tens of millions of downloads (site cites 18M+ / 50M+ across sources)
Recent funding: Series C $23M (Sep 12, 2023); total reported funding ~ $60M
E‑learning / language learning — pronunciation training and accent reduction.
2015
E-Learning Providers
$23,000,000
$15,000,000
$3,200,000
$7,000,000
“Participation from a mix of regional and global investors including UOB Venture Management, Vietnam Investments Group, Gradient Ventures (Google's AI fund), SIG, Monk's Hill Ventures, SOSV and others”
Reporting to: Director of Data Science
About ELSA
ELSA is a global leader in AI-powered English communication training, dedicated to transforming how people learn and speak English with confidence. Founded in 2016 and headquartered in San Francisco, we operate across the U.S., Vietnam, Portugal, Indonesia, Brazil and Japan.
Powered by proprietary speech-recognition technology and generative AI, ELSA delivers real-time, hyper-personalized feedback to help learners improve pronunciation, fluency, and overall communication effectiveness. With over 50 million learners and 1 billion hours of anonymized speech data, ELSAs depth of language training intelligence is unmatched in the industry.
Our B2B flagship platforms and empower organizations and educational institutions to elevate communication capabilities and unlock personal and professional opportunities for their people. We design engaging, bite-sized learning experiences that adapt to each learners goals and context, ensuring measurable improvement and lasting confidence.
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Our vision is to become the global standard for real-time English communication training, enabling 1.5 billion language learners worldwide to speak clearly, be understood, and share their stories with the world.
Backed by world-class investors including Googles Gradient Ventures, Monks Hill Ventures, and SOSV, ELSA has been recognized among the top global AI innovators:
We’re building the next evolution of our AI stack — agentic AI systems that can interact with real-world data, tools, and workflows in production. To help us design, scale, and operate this platform, we’re looking for a Senior Data Platform Engineer to join our team.
Job overview:
As a Senior Data Platform Engineer — Agentic AI, you will design and implement the platform foundation for AI agents operating on real-world data and services at scale. This role sits at the intersection of Data Engineering, Backend Systems, and Applied AI — ideal for engineers who love ownership, reliability, and solving hard platform problems.
You will work closely with Data Science, Product, and Engineering to take agentic AI from prototype to secure, observable, production-grade systems.
This role is ideal for engineers who enjoy building production systems, collaborating cross-functionally, and owning end-to-end platform reliability — rather than focusing primarily on research or prototypes.
What You'll Do
You'll Be Great In This Role If You Have:
Core Experience (Required)
Agentic AI & AI Platform Experience (Preferred): You don't need to be a researcher — but you understand how this runs in PROD
Working knowledge of
Bonus Skills
Experience with:
Soft Skills We Value
What We Offer