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Open nowPosted 367 days ago

Software Engineer

Domu2 open roles

Where
San Francisco, CA
Work mode
On site
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Your applicationOpen nowSoftware EngineerDomu · San Francisco, CA

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The clock on this job

Early applications get read.

11.5% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.0%1 day
  2. 4.3%3 days
  3. 11.5%7 days
  4. 18.1%14 days
  5. 35.6%30 days
  6. 44.6%60 days
This job: posted 367 days ago

The posting

At Domu.ai, we're building the infrastructure that will replace call centers at the world's largest financial institutions. Voice AI that handles thousands of live calls every day for Fortune 500 banks and insurers, end-to-end. Call volume is 3x-ing monthly. We're hitting problems most startups never see: real-time voice AI at scale, legacy banking infrastructure, enterprise telephony, and regulatory constraints.

The role

As the Software Engineer you'll.....

  • Build and own core product features: Backend systems, APIs, voice infrastructure, wherever the product needs you. Code ships daily and goes live for Fortune 500 clients.
  • Work on things most engineers never touch: telephony systems, real-time voice processing, and integrations with legacy financial infrastructure. The problems are hard. That's the point.
  • 95%+ of your time will be coding and building.
  • We're looking for engineers who can own one of these areas: the orchestration layer that coordinates our voice AI systems, infrastructure scaling and low-level performance, security as a generalist building for Fortune 500 financial institutions, or product engineering close to users finding high-leverage wins.
  • Know what it feels like when things are working: real customers, real revenue, a product people actually need. You also know the chaos, the pace, the things that break at the worst possible time. You've seen both sides and you want to do it again with a team that's already found traction.

How we work

  • Four engineers. Everyone ships to production.
  • We do dailies. We groom tickets. But we keep process light and in service of the work, not the other way around. We'd rather spend time building than talking about building.
  • We care about doing great work. Not just shipping, but shipping something you're proud of. Clean abstractions. Systems that don't page you at 3am. Code you wouldn't be embarrassed to open-source. We build things that last because we're the ones maintaining them.
  • Ownership here is real. You won't be handed tasks from a backlog. You'll see what needs to happen and do it. That's how a small team ships to Fortune 500 customers.
  • We hire people whose judgment we trust, then get out of their way. No passengers.

What you bring

  • 3+ years of experience as a software engineer
  • Previously worked at a Series A (or similar stage) startup and went through the same hypergrowth challenges Domu is facing
  • Experience dealing with legacy systems and refactoring them into sustainable, scalable architectures
  • Strong backend fundamentals - can own features end-to-end from design to production
  • Proficiency in TypeScript and/or Python
  • Cares about doing great work - clean abstractions, reliable systems, code you'd be proud to open-source

Extras we'd be excited about

  • Telephony/Voice infrastructure - SIP, SRTP, WebRTC, or platforms like Telnyx, Twilio, LiveKit
  • High-throughput distributed systems - queue workers, event-driven architectures, handling 1M+ daily transactions
  • PostgreSQL at scale - query optimization, replication, connection pooling
  • Kubernetes - production deployments, scaling stateful services
  • Real-time data pipelines - ClickHouse, Kafka, or similar OLAP/streaming solutions
  • AWS infrastructure - SQS, containerized deployments
  • Compliance-conscious environments - SOC 2, ISO 27001, or fintech/enterprise security requirements
  • Experience with AI/ML integrations in production (LLMs, voice AI)
  • Familiarity with contact center / dialer systems
  • You've been through the early stages of a startup before.
  • You care about the craft. You want to build something good, not just something that works.

Why Domu

  • You'll be engineer #5. Small team, high leverage. Your work ships immediately.
  • Real traction. Post-revenue, Fortune 500 customers, 3x monthly growth. This isn't a bet on an idea. The product works and customers are paying for it.
  • You'll learn how enterprise deals work from an engineering seat. You'll see the direct line between your code and revenue.
  • Early enough to shape the product, the team, and the culture.

What we offer

  • Healthcare
  • weekly stipend for food and transportation
  • gym membership
  • equipment budget (strict rules on noisy mechanical keyboards)
  • whatever tools you need

Interview

  1. Conversation with Kai (Head of Engineering)
  2. Technical screen
  3. Take-home or live-coding
  4. Team interview (1 hour, 2 engineers)
  5. Paid trial
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