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We don't just sell AI agents.

We run our company with them.

TierZero isn't a traditional software company that bolted AI onto an existing product. We're AI-native: we use AI agents to build, ship, and operate our own infrastructure.

That's not just our story. It's proof the product works. We operate at a scale that would normally require a much larger team — because we actually believe agents can replace headcount, and we built ours to prove it.

When we tell you “you don't need to scale your team proportionally,” we're speaking from experience.

Meet the team

A team of staff software engineers and ML practitioners from the early days of Facebook, Databricks, Brex, Nextdoor, and LangChain. We know what excellence looks like.

Anhang

Anhang

Co-Founder & CEO

Director of Engineering at Niantic. CTO of Mayhem.gg (acq. Niantic). Owned social infrastructure for 50M+ daily players.

MetaY Combinator
Yun

Yun

Co-Founder & CTO

Engineer #25 at Databricks. Engineering lead for Cloud Infra, AI Model Serving, and AI Agent Framework.

Databricks
Tianyi

Tianyi

Member of Technical Staff

Product and Engineering Manager at Databricks. Shipped zero-copy data sharing for real-time AI insights.

Databricks
Eric

Eric

Member of Technical Staff

Employee #20 at Nextdoor. Architect of Niantic Campfire. ML Lead for Mayhem.gg's streaming vision AI.

NextdoorNiantic
Ed

Ed

Member of Technical Staff

Staff Software Engineer at Brex, LinkedIn, and 11x. Co-Creator and tech lead of Alice AI SDR v2.

BrexLinkedIn
Jake

Jake

Member of Technical Staff

Early Databricks Engineer. #16 at LangChain. Product and engineering lead for the LangSmith AI observability platform.

DatabricksLangChain
Allen

Allen

Member of Technical Staff

Senior EM and Staff Engineer at Brex and Airbnb. Founded Brex Bill Pay and owner of Brex Budgets.

BrexAirbnb
Jina

Jina

Head of Talent and Operations

Recruiter #2 at Brex. Led global engineering hiring across the US, Canada, and Brazil. Scaled Brex from sub-100 to 1500+.

Brex

Our values

Give Trust, and Opinions

We trust each other to execute independently and speak up with ideas or concerns. Challenge openly, assume positive intent, and move fast without politics.

Be the Customer

Everyone talks to customers directly. We build with empathy, deliver more value than we charge for, and make customers wish we were on their team.

Love the Journey

Startups are hard. We're here because we enjoy building something meaningful together. Celebrate small wins, sustain the pace, and don't let the lows drag you down.

Build Intentionally

Move quickly, but with focus. We don't chase every shiny object. Think through decisions, debate the approach, then execute sharply. Less hype, more substance.

Everything is Figureoutable

Default to optimism and creative problem-solving. The answers aren't always obvious, and that's okay. With enough creativity and persistence, we'll find a way.

Our values shape everything: from how we treat each other, to what we ship

Backed by world class investors

AccelSV AngelKearny JacksonAfore CapitalImpatient Ventures

Let the Builders Build

Engineers are spending way too much of their time maintaining their systems, firefighting, and answering support tickets. By letting AI agents handle these tasks, we can free up engineers to focus on building. At TierZero, we believe engineers should spend 100% of their time dreaming and building the future.

We operate at the frontier of AI, systems, and observability, combining applied research with hardcore engineering. We're looking for exceptional technical people that want to work collaboratively in-person in our San Francisco office.

If this excites you, let's talk.

See open roles

If you're interested in a role, or don't see a role posted, please email us at  . We'd love to hear from you!