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Sierra

An agent that finishes the job, paid for the result.

Read the Company Inside: products, people and work in Korea ↗

Company Insight

Bret Taylor
Photo: Katelyn Tucker / Slava Blazer Photography (TechCrunch) · CC BY 2.0 · black and white, background removed

Who leads the company

Bret Taylor

Co-Founder and CEO

@btaylorFollow on X

  1. Bret Taylor@btaylor

    Said Sierra passed $100M in annualized revenue seven quarters after founding. Said it added another $50M the following quarter, starting year three at a $150M run rate.

    SummaryView on X ↗
  2. Bret Taylor@btaylor

    Said Sierra raised $950M in new funding led by Tiger Global and GV, passing a $15B valuation. Said the funding would help Sierra become the global standard for bringing AI to customer experience.

    SummaryView on X ↗

Sierra in numbers

Valuation$15.8BAs of May 2026
  1. $1B24.02
  2. $4.5B24.10
  3. $10BC25.09
  4. $15.8B26.05
Funding rounds$950MAs of May 2026
  1. $110M24.02
  2. $175M24.10
  3. $350MC25.09
  4. $950M26.05
Run-rate revenue$200MAs of May 2026
$20M$100M$150M$200M
24.1026.05

That month's revenue times 12

Korea team

Korea entity
Sierra Technologies Ltd.
Entered Korea
August 2026
Office
Jongno-gu, Seoul
Open roles in Korea
View 5

Roles we're filling now

  1. Agent StrategistHiring
  2. Enterprise Sales DirectorHiring
  3. Enterprise Sales EngineerHiring
  4. Regional VP, SalesHiring
  5. Software Engineer, AgentHiring
  • Sierra officially announced the opening of its Seoul office on August 25, 2026.
  • Sierra established Sierra Technologies Ltd. in Jongno-gu, Seoul.
  • Sierra is hiring software engineers, AI agent strategy staff and enterprise sales staff in Korea.

Open roles

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Korea

  1. Agent StrategistSouth Korea (On-site)Own a customer’s agent scope, design, evaluation and launch.Read the job
  2. Enterprise Sales DirectorSouth Korea (On-site)Find enterprise buyers, negotiate deals and shape Korea’s sales motion.Read the job
  3. Enterprise Sales EngineerSouth Korea (On-site)Design and demonstrate agents in the first buyer conversations.Read the job
  4. Regional VP, SalesSouth Korea (On-site)Sell directly while building Korea’s sales team.Read the job
  5. Software Engineer, AgentSouth Korea (On-site)Build and evolve customer agents from pilot through production.Read the job

Elsewhere in Asia

  1. Agent Development, OperationsSingaporeManages operations and resource planning for the Agent Development team across APAC.Read the job
  2. Enterprise Account ExecutiveSingaporeFinds new enterprise customers and negotiates deals through to signature.Read the job
  3. RecruiterTokyoOwns full-cycle recruiting, sourcing candidates and closing hires for Sierra Japan.Read the job
  4. Recruiting ManagerTokyoLeads recruiting across Japan and shapes hiring strategy with senior leaders.Read the job
  5. Software Engineer Intern, Agent (Summer 2027)SingaporeInterns on production AI agent development for Sierra's customers, summer 2027.Read the job
  6. Software Engineer, Agent (Cantonese Speaking)SingaporeBuilds and ships production AI agents for Cantonese-speaking clients.Read the job
  7. Software Engineer, Agent (New Grad 2027)SingaporeBuilds production AI agents as a new-grad engineer joining in 2027.Read the job

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As of September 2026