Distributed Systems Engineer (Backend) [32495]
Stealth Startup | Redwood City, California, United States | 1mo ago
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Original posting (closed) below
$215,000 – $290,000/yr| full-time | on-site | lead | 2+ years | bachelor | visa sponsorship
skills: backend development, distributed systems, real-time audio, telephony, developer tooling, prompt orchestration, testing frameworks, observability, DevOps, cloud infra, APIs
About
We're not just automating calls—we’re transforming how the world communicates. Our AI voice agents are reshaping sales, support, and customer engagement for leading brands. Backed by Alt Capital, Y Combinator, and top-tier investors, we've raised $4.7M in seed funding and hit $14M ARR with just 12 people.
We’re one of the fastest-growing Voice AI startups and we're on a mission to become the standard for voice automation at scale.
About the Role
As a Founding Senior Backend Engineer, you’ll shape the core systems powering millions of AI-driven conversations. You’ll tackle real-time audio, global telephony, and developer tooling, working across the stack with the founding team. This high-impact role offers rapid feedback loops, customer collaboration, and the chance to define a category-leading product.
Key Responsibilities
- Build foundational architecture for the company's platform, such as prompt orchestration, testing frameworks, observability dashboards, and telephony integrations.
- Design scalable backend systems and DevOps workflows for reliable performance across millions of calls.
- Lead complex projects from architecture to production, driving delivery and monitoring.
- Collaborate with product and design teams to create intuitive APIs and interfaces for quick customer onboarding.
- Support customer onboarding, troubleshoot issues, and turn feedback into product improvements.
You Might Thrive If You
- Have 2+ years of backend development experience with a degree in CS, CE, or EE.
- Take ownership like a founder, with a passion for impactful software.
- Thrive in fast-paced, ambiguous environments, solving new problems with curiosity.
- Communicate clearly, collaborate across teams, and drive momentum.
- Have startup experience or grit to adapt, with bonus points for cloud infra/DevOps knowledge.
Job Details
- Job Type: Full-time, 70 hr/week (50 hr/week onsite with flexible hours + 20 hr/week work from home)
- Cash: 215k - 290k
- Equity: 0.4 - 0.6%
- Location: Redwood City, CA, US
- US Visas: Sponsors Visa & Green Card
Other Benefits
- 100% medical, dental, vision insurance coverage
- Unlimited breakfast, lunch, dinner, and snacks
- Gym and daily commute fee reimbursement
- Internet and phone bills covered
Compensation Philosophy
- Best Offer Upfront: Choose from three cash-equity balance options, no negotiation needed.
- Top 1% Talent: Above-market pay (top 5 percentile) to attract high performers.
- High Ownership: Small teams, >$1M revenue/employee, and significant equity.
- Performance-Based: Offers tied to interview performance, not experience or past salaries.
Benefits
100% medical insurance coverage · 100% dental insurance coverage · 100% vision insurance coverage · unlimited breakfast · unlimited lunch · unlimited dinner · unlimited snacks · gym reimbursement · commute fee reimbursement · internet bills covered · phone bills covered
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