About Ideawise 🌍
We don’t just build ventures—we create impact. Our mission is to transform bold ideas into high-growth, scalable startups that challenge norms and drive meaningful change. With a decentralized structure and a focus on agility, transparency, and purpose, we empower each venture to evolve independently while staying aligned with our vision.
What We Do 🚀
We take startups from concept to scale, combining rigorous validation, rapid development, and strategic growth. Our plug-and-play infrastructure gives ventures a strong foundation, while our data-driven, modular approach ensures they scale with precision.
One of our ventures, Kaufmich, is the largest escort/client marketplace in the DACH region with over one million registered members and more than 8 million monthly visitors. As a value-driven project, Kaufmich is on a mission to empower sex workers and their clients, and is expanding internationally.
Kaufmich Acquisition Squad is at the forefront of driving user growth. We optimize acquisition funnels, refine sign-up experiences, and create seamless, high-converting landing pages for our platforms. Every request, interaction, and millisecond of performance matters. As part of this squad, you will ensure the backend infrastructure powering these journeys is robust, scalable, and delivers an exceptional user experience.
Who We're Looking For💡
You’re not just a developer—you’re a craftsman with an obsession for writing elegant, maintainable code. You thrive in an environment where best practices like Test-Driven Development (TDD), Clean Code, and SOLID principles are not just buzzwords but the foundation of daily work.
You enjoy collaborating with cross-functional teams, proactively seek ways to improve both performance and user experience, and understand how backend engineering drives business growth.
Key Traits for Success: 🌱
- Passion for building scalable, high-performance backend systems.
- Commitment to engineering craftsmanship and continuous improvement.
- Ownership & growth mindset, eager to experiment, learn, and share knowledge.
- A team player who thrives in a decentralized, self-organizing environment.
What You’ll Own & Drive🔥
- Develop and optimize scalable backend services and APIs that serve millions of users.
- Architect and maintain high-quality system design with a focus on performance, stability, and security.
- Apply and promote engineering best practices, including TDD, Clean Code, and SOLID principles.
- Partner with Product, Design, and Frontend Developers in the Acquisition Squad to deliver seamless growth-focused features.
- Ensure backend systems reliably support conversion funnels, sign-up flows, and landing pages with high reliability.
- Continuously improve backend performance, reduce technical debt, and scale infrastructure.
What You Need to Succeed 🏆
- 5+ years of experience in Object-Oriented PHP development and MVC frameworks.
- 3+ years of hands-on experience with Symfony, Laravel, or similar frameworks.
- RESTful API Expertise – Strong knowledge of designing and building scalable APIs.
- Testing & Quality Focus – Proven track record with automated testing, CI/CD pipelines.
- Database Mastery – Deep expertise in SQL, with experience designing and optimizing databases under high concurrency.
- Caching & Performance – Solid experience with Redis, understanding its data structures and real-world use cases.
- Engineering Fundamentals & Tools – Proficiency with Git and Linux-based systems, with a strong foundation in data structures, algorithms, and design patterns.
- Agile & Collaborative – Experience working in Scrum teams and contributing to an iterative development process.
- Communication – Excellent written and spoken English skills, capable of clear technical and cross-team communication.
Bonus Points 🎁
- Background in B2C products, especially in high-growth startups, venture-backed scaleups, or AI-driven companies.
- Experience with Symfony 5 or 6 in production.
- Familiarity with Apache Solr and/or Elasticsearch.
- Knowledge of microservices architecture or distributed systems.
- Experience with Golang, React, Vue, or other frontend tech stacks.
- Contributions to open-source projects or active participation in technical communities.
What’s In It for You? 🤩
- 🚀 Impact-Driven Work – Build features used by hundreds of thousands of active users, directly shaping product growth and user experience.
- 💡 Autonomy & Innovation – Turn ideas into MVPs, test quickly, iterate, and see the real impact of your work on users and the business.
- 🎯 Ownership & Influence – Go beyond coding by contributing to product direction and technical solutions, and help foster a culture where everyone feels empowered to contribute ideas.
- 🌍 Collaborative & Global Culture – Join a diverse international team, collaborating across disciplines with top-tier professionals.
- 📈 Growth & Learning – Gain mentorship, access to cutting-edge technologies, and professional development opportunities in a fast-moving, borderless team.
How to Apply
📩 Apply now by submitting your CV and a short note on why you’re excited to join Ideawise and contribute to Kaufmich’s international growth.
Our Commitment to DEI 🤝
At Ideawise, we believe diversity fuels innovation. We’re committed to creating an inclusive environment where people from all backgrounds can thrive. Different perspectives, experiences, and ideas drive the success of our ventures, shaping the future we’re building.
We welcome applicants of all races, ethnicities, religions, gender identities, sexual orientations, abilities, ages, and backgrounds. What matters most is your passion, expertise, and vision. Let’s build something great—together.