The Role
Serve as technical co-founder, expanding the MVP into a full product and shaping its architecture and technology stack. Collaborate with the founding team to validate traction, improve engagement, and develop a sales funnel. Build toward an AI-powered leadership enablement platform while contributing hands-on software development and embracing the startup journey.
Summary Generated by Built In
## Company Overview
Flea Software UG (haftungsbeschränkt) is on a mission to transform tech leadership by empowering managers to turn insight into action. We foster a workplace where coaching drives engagement and performance, addressing the core issue that people quit bad managers, not companies.
## Job Title
Senior RoR Fullstack Engineer
## Location
Berlin, Germany
## Role Overview
As our technical Co-Founder, you'll play a pivotal role in bringing Flea to life and transforming millions of dull 1:1s into meaningful meetings that drive engagement, productivity, and retention. You will have the opportunity to shape the tech stack and architecture according to your expertise and preferences.
## Responsibilities
* Expand our MVP into a full product.
* Collaborate closely with the founding team to iterate on our MVP and prove traction and engagement.
* Develop a working sales funnel.
* Contribute to the vision of developing Flea into a holistic AI-powered leadership enablement platform.
## Who You Are
* A genuine passion for leadership and/or firsthand experience with the problem we solve.
* Hands-on, pragmatic, and capable of expanding the MVP to a full product.
* Understanding and embracing the startup journey, with all its potential rewards and lack of corporate security.
## Required Skills
* 3-10 years of experience in software development.
* Proficiency in Ruby on Rails and full-stack development.
## Offer
* Co-Founder with equal equity share (50%).
* Grant of 2,200€ per month, to be increased with the first funding round (By Q2/24).
* Full freedom to shape the tech stack and architecture.
* Full-time commitment, starting ASAP.
* Location: Berlin, Germany (the default is to be in the office).
## Our Current Status and Next Steps
* Validated problem and solution space with 120+ user interviews and 40+ user tests.
* Clear purchase intent from 12+ customers and initial interest from selected investors.
* Accepted into Reaktor Berlin as 1 of 6 teams from 214 applicant startups.
* Currently testing our live-MVP with selected first customers.
* Next steps include getting fundraising ready, iterating on our MVP, and understanding and creating a working sales funnel.
## Join Our Wild Ride
We are super stoked to get to know you and have you join us in creating meaningful and compassionate workplaces for millions. With us, you'll grow both professionally and personally in a nurturing environment, targeting a 17B+ opportunity with a clear USP.
Skills Required
- 3-10 years of software development experience
- Proficiency in Ruby on Rails
- Full-stack development experience
- Full-time commitment
- Passion for leadership or firsthand experience with the problem being solved
- Hands-on, pragmatic ability to expand an MVP into a full product
- Willingness to work in a startup environment with limited corporate security
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The Company
What We Do
Flea builds a developer experience platform that helps engineering teams identify and remove friction in developers’ daily work. It collects structured feedback through science-backed surveys and combines qualitative input with validated DevEx factors to reveal bottlenecks and team challenges that delivery metrics can miss. The platform helps engineering leaders prioritize improvement initiatives, measure their impact, and improve team productivity and developer satisfaction.








