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The hiring plan that would have cost helloBill an urgent Series A

helloBill's CTO faced a choice: hire lots of people, which would have meant an urgent Series A, or build its own agentic harness for every employee. He chose Viktor, which now runs the team's daily rhythm in Slack.

helloBill

AI Personal Assistant

Featured builder

Featured Builder story: this customer received Viktor credits for taking part. They approved the final text.

“Viktor buys us time.”

Simon Chapman

CTO

About USD 130000 a month

Money

01How it started

Three red alerts in one minute

The helloBill team

On Viktor's first day triaging alerts at helloBill, a production deploy set off three red alerts within a minute, one for the customer API and two for the partner API. Viktor pulled the deploy run and the replica counts. The rollout had briefly taken the customer API to zero healthy pods, so callers got 503s and the partner API returned 502s, and both recovered in about a minute. Viktor replied in each alert's thread with the verdict, the evidence and the impact, tied all three to one root cause and noted that no code fix was needed. Before, a check like that waited on someone remembering to do it.

02Before Viktor

Before Viktor

Simon Chapman is CTO of helloBill, a seed-stage UK AI platform that takes life admin off people's hands. The team wanted to stay small and AI-native, but keeping the operating rhythm going pointed to "lots and lots of people." Hiring them, Simon says, "would have cost us an urgent series A."

Without a person driving it, the daily work depended on someone remembering: chasing roadmap owners, pulling scattered reports together, looking into each production alert. The team had tried Claude and other AI tools, and had considered building its own agentic harness for every employee.

03What changed

What changed

helloBill's team are "avid slack users first and foremost," so trying Viktor was "an easy lift." What surprised Simon most was how fast and easy the setup was. helloBill brought Viktor on in May 2026 as its AI operations coordinator across product, engineering, finance and growth. People ask it for things in Slack channels or by DM, and standing jobs run on a schedule or when an event like a new alert comes in.

Each weekday Viktor chases roadmap owners in Notion around the 09:30 standup. At 09:45 it posts one headline chart against targets, built from Power BI, Mixpanel, Google Analytics and Intercom.

Alert triage is where the work pays off. When a red alert lands, Viktor checks the monitor, recent deploys, error logs and replica counts. It decides whether the alert is a deploy blip, a supplier outage, known noise or a real bug, and posts a short verdict in the thread. A real bug goes to a coding agent, which raises a pull request for review.

Viktor also coaches the phone sales desk with daily call plans, runs paid social campaigns and builds internal tools, such as a self-serve reports builder that replaces the team's old BI dashboards.

A red production alert lands in the engineering alerts channel → Viktor checks the monitor, recent deploys, logs and replica counts → a short in-thread triage, with real bugs handed to a coding agent for a pull request
Each weekday around the 09:30 standup → Viktor checks the Notion roadmap and the standup notes → morning nudges, a daily pulse in the product channel, owner DMs where they disagree and a Friday scoreboard
09:45 every weekday → Viktor pulls numbers from Power BI, Mixpanel, Google Analytics and Intercom against targets → one headline chart in the reporting channel with a thread per area
From there, it all became simple. Not weird configurations, no how we get the data in, no worrying about connectors to other tools and data sources. Viktor just works.
04Results

Results

helloBill puts the saving at about USD 130000 a month in people it didn't have to hire, and it got there without the urgent Series A that hiring would have forced. Work that used to depend on someone remembering now runs every day, around the clock, without a person driving it. Every red production alert gets a triage, and one daily report against targets has replaced the scattered reports the team used to piece together.

A few clicks, and you will be setup, and already having Viktor delivering like he's been a piece of old furniture in the business.
Viktor at work
Viktor at work
05Staying in control

Staying in control

Paid ads stay paused until an executive approves a launch or a budget, and on the Notion roadmap Viktor changes status or assignee only when the owner says so. Every code change goes through pull-request review by Simon's AI agent before a person ships it. Viktor never looks at customer personal data, and leadership-only material stays in its private channel.

06What's next

What's next

Next, Simon wants Viktor to take on more across reporting, growth, engineering, finance and go-to-market.

Put Viktor to work

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