Founding Engineer for PropTech startup
Vor 7 Tagen
We are
Sebastian Seifert
,
Andreas Veller
, and
Achim Bönsch
– all graduates of the WHU Bachelor Class of 2011. After 13 successful years building the fintech company viafintech and ultimately selling it in one of Germany's largest fintech exits for a nine-figure amount, we are now pursuing new challenges:
We found new ventures and invest in startups and venture capital funds.
For one of our portfolio companies,
the PropTech startup vivanta,
we are now looking for a
Founding Engineer
who is excited to shape the technical foundation from day one and take on a key long-term role in the company.
About vivanta
With vivanta, we are building an AI-powered property management company, transforming a centuries-old €20 billion market in Germany.
High demand in a fully fragmented market
10+ year customer retention
Strong monthly recurring revenue potential
A massive playground for technological innovation
Positioned at the intersection of strong unit economics and exceptional technical execution, we are creating a product that is both indispensable and designed for long-term market adoption.
Tasks
We're looking for a
Founding Engineer
who's excited about shaping a company from the ground up - not just writing code, but defining the technical foundation of our product and business.
You will:
Design and implementation of
end-to-end automations
in areas such as accounting, invoice approval, communication, and property management – including monitoring, logging, and error handlingBuilding a scalable, modular platform architecture
that integrates ERP, CRM, document management, and digital owner portals. Strong focus on security, scalability, and maintainabilitDevelop production-ready
LLM
and
ML features
(e.g., document classification, predictive maintenance, AI assistants), including prompt engineering, fine-tuning, and deploymentClosely collaborate with the founders –
you decide on architecture, tools, frameworks, and set technical standards
(clean code, testing, code reviews, DevOps processes)
Requirements
We're looking for someone who:
Has
deep experience with backend systems
, infrastructure, and API designThrives in early-stage environments where
speed and adaptability
are keyEnjoys solving
complex technical challenges
with an eye toward scalability and maintainabilityIs comfortable working in-person with the founding team (not full-time remote)
Wants to take
ownership
—both in equity and in decision-making
Benefits
Founder-Level-Impact:
Du bist einer der ersten Engineers und prägst unsere Tech-DNA von Anfang anOwnership & Gestaltungsspielraum:
Architektur, Stack, Standards – du bestimmst mitEnge Zusammenarbeit
mit Gründer:innen und Investor:innenFlexibles Arbeiten:
Büro in Berlin + Remote möglichEquity-Optionen
: Werde langfristig Teilhaber:in am Erfolg von vivanta
Compensation:
€60–80k salary + equity (pre-seed)
Location:
Berlin, Munich, Hamburg, Germany (on-site preferred, with flexibility)
Start date:
Januar 2026
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