GreenCandle

Software development studio

World-class engineers. Software that ships.

GreenCandle AI builds AI agents, custom web and cloud software, and first products for startups. Senior engineers with decades of experience, AI on the team, and a gate every change passes.

Tell us about your projectSee how we built Zixt

Fixed scope and price. Your repository from week one. Reply within two business days.

  • Engineers with decades of experience
  • Senior people on every project, no juniors
  • Production from the first week
  • Our own platform, Zixt, in production
Your build, week 3Example week
  • Mon

    Billing and invoicesDeployed to your staging. Tests green, CI gate 6 minutes.

    Shipped
  • Wed

    Support agentTriages inbound tickets. Anything customer-facing waits for your OK.

    Needs you
  • Fri

    Weekly demoWorking software, code in your repository, next slice agreed.

    Planned
Every line is real work in your repository, reviewed by senior engineers.

What we build

Four kinds of work, one standard.

Every engagement gets senior engineers, AI on the team, and the same engineering gate. Pick the shape of work you need.

AI agents and automation

Agents that do real work inside the tools you already use.

  • A manual workflow that eats hours every week
  • An AI assistant inside a product you already ship
  • Connecting a model to your CRM, helpdesk, email, chat, or database, without handing it the keys
About AI agents

Custom software and product engineering

Web apps, cloud backends, desktop clients, and the integrations between them.

  • A product that has outgrown a no-code tool or a prototype
  • An internal tool your team will live in all day
  • A platform that must integrate with GitHub, Slack, email, payments, or a CRM
About custom software

MVP and startup builds

A first version real customers can use, in weeks, built to grow.

  • A founder with a clear problem and no engineering team yet
  • A company launching a new product line beside its main business
  • Validating with paying customers before hiring engineers
About MVP builds

Who builds it

World-class engineers with decades of experience.

The people on your project have built products, platforms, and infrastructure from first commit to scale. They own the architecture, the security model, and every release.

  • Senior engineers only, on every project
  • Decades of experience across startups and large-scale systems
  • AI agents on the team, under the same gates as any engineer
  • Everything we build is used hard by us before it reaches you
  • Fixed scope, fixed price, code in your repository
The gate every change passesIn production today
  • Tests against a real database and real WebSockets
  • Browser journeys run against the production bundle
  • A CI gate under seven minutes, with no retries
  • Secrets encrypted, scoped to one task at a time
  • Signed and notarized desktop installers
  • Infrastructure as code and automatic releases
These are the rules our own platform runs on. Your project gets them for free.

How a project runs

Four steps, whether it is a two-week discovery or a six-month build.

Brief

You describe the problem, who it is for, and what is fixed. We reply with questions, then a written plan: scope, price, dates.

Plan

When scope is unclear, a short discovery first: an audit of what exists and a prototype of the risky part.

Build weekly

Working software lands in your repository every week, with tests and CI from the first commit.

Hand over

Documentation, runbooks, a walkthrough. Code, infrastructure, and accounts are yours. We stay available.

Work

The product we built end to end and run every day.

Zixt gives a business AI teammates with real roles, coordinated by an AI Manager, working on the company's own machines and accounts. We built all of it.

Zixt, an AI-teammate platform

A cloud control plane, a desktop runtime that executes work locally, a web app, the integrations, and the release pipeline behind them.

  • TypeScript control plane with a WebSocket gateway, task engine, and credential custody
  • Headless desktop runtime and a signed installer for Windows and macOS
  • GitHub, Slack, Linear, email, WhatsApp, voice calls, and a real browser
  • Self-hosted CI gate under seven minutes and automatic releases
Read the case study

The teammates Zixt gives a business

Atlas, the Zixt website teammateMaya, the Zixt marketing teammateSam, the Zixt support teammateJordan, the Zixt sales teammateRiley, the Zixt office teammateTheo, the Zixt developer teammate

Connected to

GitHubSlackLinearGmailWhatsAppMCP

Status

In private development at zixt.ai

Tools we build with

A modern stack, chosen for your workload, not for a badge.

TypeScriptReactNext.jsNode.jsBunMongoDBPostgresAWSCloudflareDockerNetlifyFly.ioTerraformGitHubPlaywrightSentryStripeAnthropicOpenAIMCPSlackLinearWhatsAppGmail

Questions

What people ask before they start.

What does a project cost?

A fixed price for a defined scope, agreed in writing before we start. First engagements range from a short discovery to a multi-month build. Send a brief through the contact page and we reply with a range and the questions we would need answered.

How do you use AI in your work?

AI agents write and review a large share of our code under the same gates as any engineer: tests against real systems, browser journeys, and a CI pipeline that blocks anything that fails. Senior engineers own architecture, security, and every release. It is why a small team ships production software quickly.

Who owns what you build?

You do. The code lives in your repository, the infrastructure in your accounts, and the documentation goes with it. Nothing is held back for a handover.

Where are you based?

GreenCandle AI LLC is registered in Wyoming, USA, and works remotely with clients in any time zone. Meetings happen on video, work happens in your repository, and progress is visible every week.

How do we start?

Tell us about the project through the contact page: the problem, who it is for, and any constraints. We reply, usually within two business days, with questions or a proposal. If it fits, we schedule a short call and follow with a written plan.

Start a project

Have a project in mind?

Send a brief. We reply, usually within two business days, with questions or a proposal.

Tell us about your project
  • Fixed price for a defined scopeAgreed in writing before we start. Changes priced before we build them.
  • You own everythingCode in your repository, infrastructure in your accounts, from the first commit.
  • Working software every weekProgress you can click, not status reports.