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Prototype · 2 Membres de l'équipe · Logiciels et SaaS

Technical CoFounder CTO for Construction Tech Startup

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Vue d'ensemble

  • (Co-)Fondateur
  • Technique
  • Développeur (Frontend) Ingénieur logiciel
  • Temps partiel
  • Berlin
  • Flexible (bureau et distant)
  • Pas de salaire
  • 10% - 20%
  • Niveau moyen (3-6 ans)
  • Not relevant
  • Anglais, Allemand
  • Heures flexibles

Description

We're Benno and Mario, and we're building Lenzy, a mobile-first B2B SaaS platform for construction site documentation. We're looking for a technical co-founder who wants to build something that actually matters.

The Problem

Construction crews waste hours on clunky tools instead of doing real work on site. Only ~5% of construction sites use dedicated management tools. The rest runs on SharePoint folders, email chains, and WhatsApp groups. The few tools that exist are horizontal, legacy, and way too complex for people who work with gloves on.

Our Solution

Lenzy makes construction site documentation as fast and simple as the work itself. Glove-friendly, offline-capable, radically simple. Few-click daily reports, built-in legal compliance, AI voice-to-text, all in one tool that works the way site managers already think. No training needed, no complexity. Fast enough to use between tasks, smart enough to handle the paperwork behind the scenes.

Where We Are

  • Prototype done
  • First five test customers/companies lined up
  • MVP go-live planned for September 2026
  • Bootstrapped since April 2025

Our Story

We met three years ago at a proptech startup. Working in the construction industry, we saw a glaring gap: while software teams run projects with polished toolchains, construction sites still rely on WhatsApp and shared folders. We clicked from day one and have been iterating on this idea ever since. Now we need the missing piece: you.

What We Offer

  • Equal equity (33%, 6-month cliff, 4-year vesting)
  • Start ~10h/week, no salary — salary + vesting after MVP go-live
  • Co-founder-level impact: shape product, architecture, and team from day one
  • A real problem in a massive, underdigitized market
  • Two co-founders who know the industry inside out

Who You Are

  • You really love to code, and have 4+ years industry experience
  • Claude Code is your lightsaber, not your autopilot
  • Strong technical judgment: pragmatic, structured, opinionated on quality
  • Entrepreneurial mindset: move without being asked, communicate early, own outcomes
  • Bonus: experience building iOS apps

The Team: Berlin

Benno (36) · CEO: Architect. 4 years at a top firm, 5 years at a construction tech startup. Knows exactly what's broken in on-site documentation.

Mario (33) · CPO: Ex-founder. Business Analyst from the energy sector. Structured thinker with startup DNA.

Interested?

Write us at cto@lenzy.cc

Tu as des points forts en

    • Chiffres, données et logique
    • Faire avancer les choses et obtenir des résultats
    • Structuration et réflexion stratégique

Tes compétences

    • programmer
    • programming
    • Programming
    • Programmierung
    • Fullstack development
    • TypeScript
    • react
    • AI Coding
    • Devops
    • Supabase

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