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$180k – $200k per year
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In office (United States)
Seniority
Middle · 3+ years exp
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Full-Time

Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on Sep 17, 2026. 11x scores A on the Alion truth index.

Overview
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11x

11x builds autonomous artificial intelligence workers for revenue teams, best known for its digital sales development representative that researches accounts and runs outbound campaigns. The company was founded in 2022 and moved its headquarters from London to San Francisco as it scaled with venture backing from a16z and Benchmark. Its agents handle prospecting, personalised messaging and follow-up across email and voice, positioning the product as an alternative to expanding a human outbound team.

About 11x

Most of what GTM teams do all day isn't selling. It's monotonous work like research, list-building, follow-ups, and data entry - things that should never have been a human job in the first place.

11x is building the AI platform for growth by automating the busywork so GTM teams can focus on what they do best: building relationships and closing deals.

Backed by $75M+ from a16z and Benchmark, headquartered in San Francisco, and trusted by leading teams at Checkr, Xerox, Rillet, and much more. We're hiring ambitious people who want to define how the next generation of companies accelerate growth.

About the Role

As a Voice Agent Engineer, you’ll be the connective tissue between our GTM AI agents and real-world customer outcomes. AI is redefining the way people sell - and the Voice team is on the front lines of making that happen.

This is an in-person role based in our San Francisco office, where our team works together five days a week.

What You’ll Do

  • Design, build, and iterate on fullstack systems that power AI agents from concept to deployment
  • Research and evaluate new approaches to agent orchestration, prompting strategies, and model alignment
  • Collaborate with product, design, and GTM teams to improve UX and usability for non-technical users
  • Share learnings, document findings, and contribute to the evolution of internal best practices
  • Participate in peer reviews, brainstorming sessions, and technical deep dives with our global team

Ideal Candidates Have

  • 3+ years of experience in a product-oriented software engineering role
  • A CS/Engineering degree & professional experience; bonus if you’ve worked in a startup, consulting, or customer-facing technical role before
  • Strong programming fundamentals in Typescript, React, NextJS, and NodeJS
  • Familiarity with APIs, data flows, and debugging live systems
  • Interest in AI/ML, conversational AI, or voice technologies
  • Responsive and proactive in addressing customer needs with bias for action - comfortable shipping quickly and improving continuously in live deployments

Base salary range: $180,000 - $200,000

*Final offer will be based on a variety of factors, including role level, relevant experience, skills, and job-related expertise.

11x is an equal opportunity employer and does not discriminate on the basis of race, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition, or any other basis protected by law.

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