Co-Founder Engineering

Overview

TL;DR Co-Founder Engineering. Build v1 -> v10. Join experienced entrepreneurs (scaled to millions of users, $100m+ exits). Build the future of tax & accounting with AI. Craft the product, define the tech stack, shape our team and scale to many countries becoming a global leader. Founder-level equity package.

The opportunity

How taxation, accounting and payroll work today is a pain for everyone. Still every business must do it continuously. It is the backbone that our economy runs on.

Enabled through AI, we are turning this often-painful process into a radically simple experience for our customers, so they can focus on what matters to them: growing their business.

About us

We are a team of experienced entrepreneurs who have scaled businesses to 10s of millions of users, 10s of millions in revenue, multiple countries, and 9-digit exits - and we are just getting started. We are backed with € 3 million in equity, even though we haven’t actively raised funding yet – yes, investors are chasing us.

The role

As a Co-Founder Engineering, you’ll build Tribex from the ground up together with the rest of the founding team.

While we are providing a world-class professional service to our customers, technology is at our core and you will be an integral part of building it from scratch. Your work will be the driving force behind our revolutionary customer experience, enabled through AI, offering radical simplicity to our customers.

What you’ll own

• Lead engineering from 0→1 and 1→n ; be hands‑on in the early phase
• Make first‑principles architecture choices that scale globally
• Ship v1 quickly, instrument it, and iterate with real users weekly
• Set up CI/CD, cloud infra, observability, security & data foundations
• Build and mentor a team in the first weeks, scale it throughout the next years
• Work directly with the other founders and customers to convert feedback into a roadmap

Our tech context (greenfield)

• Prefer boring tech where it matters; innovate where it differentiates.
• You’ll define it; maybe: Python , TypeScript/Node , Postgres , Redis/Queue , Docker/K8s , AWS , vue/ react/ ...
• Tooling budget for whatever makes you fast. No legacy, no yak‑shaving.

Requirements

What you’ll bring

• 6+ years of work experience
• Worked in a fast-paced environment (e.g. startup/ scale-up)
• Built products on scale (e.g. for a large number of users, heavy load, etc.)
• First experience in leading and developing people
• Excellent communication skills in German and English (English is our primary business language, but German fluency is essential for collaborating with tax professionals in this role)

Benefits

What you’ll get

• Unique opportunity to join a company very early which you can shape as a co-founder
• Rapidly paced environment where you can grow and develop personally
• Perfect environment to develop relevant skills in a world of AI
• Founder-level equity that has the potential to drastically gain in value
• Above-market compensation package
• It’s early in our lifecycle and we will define all benefits together :)

The process (fast, meaningful, no homework)

1. Fill in a short form then jump on an intro call with a founder or recruiter
2. Get to know another founder, virtually or in person (up to you)
3. Meet our whole founding team during a final interview (in-person, ~3h, incl. live coding)

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