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Phonely

Founding Engineer (Full Stack + Dev Ops)

Phonely, San Francisco, California, United States, 94199


About Phonely

There are

billions of calls made every day

which will soon be handled by AI. Today, 70% of business customer support calls are outsourced to call centers and contact centers. These call centers are looking for a solution that they can

build, simulate, and deploy voice agents all in one platform .

We are building this. To get voice AI agents that can truly match

human-level performance , we need

99.9% reliability . We’ve achieved this by building

fine-tuned LLMs , running

simulation testing , implementing

LLM monitoring and automation , and creating a

Zapier-like platform

to tie it all together. We’re growing fast—our company

grew 22% week over week in YC , finishing in the

top 5% of companies by revenue

in the batch, and we’ve successfully closed our seed round. We are looking for a

founding engineer

in San Francisco (or willing to relocate)

to join the rocket ship. About the Role

We are a

fast-growing voice AI company , and we’re looking for a

founding engineer

with

DevOps experience

to help us

move fast, iterate quickly, and scale effectively . If you love building from scratch and thrive in high-growth environments, this role is for you. What You Will Do

Deploy and Manage Production Voice AI Agents

Design, build, and deploy voice AI agents to the cloud

with fast iteration cycles to meet real-time needs. LLM Monitoring and Optimization

Ship pre-defined monitoring goals

within the first 14 days. Develop independent monitoring solutions

within the first 30 days (e.g., enhance call monitoring for real-time latency alerts and other key metrics). Optimize and Automate Infrastructure

Automate infrastructure to ensure

scalable and reliable deployments , integrating with CI/CD pipelines. Continuously

improve our platform’s resilience , implementing solutions like

multi-cluster rollovers

and

auto-scaling for performance spikes . Competencies

Experience with Kubernetes, GCP , or other distributed systems tools. Hands-on experience working with LLMs

(bonus points if you’ve worked with

voice AI solutions ). Clear Communication:

You know how to express complex ideas succinctly and collaborate effectively with cross-functional teams. Startup-Ready:

You're comfortable working in uncertain, fast-changing environments and understand what it takes to thrive at an early-stage company. Qualifications

Background in ex-founder/ CTO, Infrastructure, or DevOps Engineering. 1+ years

of experience at a company with

fewer than 100 employees . 5+ years

of total engineering experience. 2+ years

focused on infrastructure or DevOps. LET’S CHAT IF YOU:

Have been a

founder or founding engineer

and know what it takes to build from scratch. Think

work-life balance

means work now and balance later. Use tools like

Cursor, Zed , and were an

early adopter of code-generation technologies . Have deep insight into

LLM limitations

and are excited about how future models will evolve. Work closely with customers

to iterate fast and build products that solve real problems. Think independently,

get things done , and maintain high standards. Have built

real-time systems

in industries like

Telecom, Autonomous Vehicles, or High-Frequency Trading . Tech Stack

Core Technologies:

Next.js, TypeScript, Python, Tailwind AI Tools:

Llama 3, OpenAI, Anthropic, STT, TTS Infrastructure:

GCP, Kubernetes (k8) Why Join Us?

At Phonely, you'll be working on

cutting-edge voice AI

technology at a company that’s

scaling rapidly . This is your chance to be part of a

hyper-growth startup , build meaningful technology, and shape the future of how voice AI interacts with the world (also, we’re like super awesome).

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