Stellenangebote für: - GAIN BERLIN

About us ai-coustics is building the reliability layer for Voice AI, the system that closes the gap between raw audio input and reliable machine understanding in production. By combining state-of-the-art speech and audio research with real-time, production-grade SDKs, we test, observe, and enable Voice AI systems to work in any environment. Our software is used by Voice AI companies across Europe and the United States whose products require reliable performance at scale: call center agents, voic...

ZAUBAR is revolutionizing how people experience the world through AI-powered augmented reality. We build a SaaS platform that empowers brands and organizations in tourism, education, and entertainment to create immersive, location-based AR experiences. At the heart of our technology is the Spatial Agent - an AI-powered AR guide that can narrate stories, interact with users in real time, and bring history and environments to life. We are looking for a motivated sales talent with storytelling skil...

We are seeking a motivated and detail-oriented Office Assistant Intern to support daily administrative and office operations. This internship is ideal for someone who wants to gain practical experience in office management, coordination, and professional workplace practices. Vos missions Key Responsibilities Assist with day-to-day administrative tasks such as filing, scanning, photocopying, and document organization Maintain and update office records, files, and databases Support in handling inc...

We previously co-founded and scaled Viafintech (Barzahlen) to more than 100 employees, building one of Germany's leading FinTech companies with operations across 17 markets in Europe and the US. In 2021, Viafintech was acquired by the NYSE-listed Paysafe Group in a three-digit million-euro transaction. Finperks is our next venture. Founded in summer 2025, Finperks is building a unified infrastructure for prepaid products, including gift cards (e.g. Apple, Amazon, Google), airtime, and eCash, acc...

We previously co-founded and scaled Viafintech (Barzahlen) to more than 100 employees, building one of Germany's leading FinTech companies with operations across 17 markets in Europe and the US. In 2021, Viafintech was acquired by the NYSE-listed Paysafe Group in a three-digit million-euro transaction. Finperks is our next venture. Founded in summer 2025, Finperks is building a unified infrastructure for prepaid products, including gift cards (e.g. Apple, Amazon, Google), airtime, and eCash, acc...

We are looking for a creative and enthusiastic Media Intern to join our team. This internship is a great opportunity for someone interested in digital media, content creation, and online marketing. The intern will assist in managing media content, supporting campaigns, and helping grow our brand presence across various platforms. Aufgaben Key Responsibilities Assist in creating engaging content for social media, websites, and marketing materials Support the team in photo, video, and graphic cont...

Please read the description carefully before applying Are you passionate about empowering women in business? Excited about promoting meaningful events and gaining hands-on experience in event organisation? Join the PRIM WB CLUB as an Event Ambassador! A brand of Prime Agency Media Group Women in Business Club is a private members' community dedicated to connecting, supporting, and empowering women professionals in any field. Our mission is to foster collaboration, innovation, and success through...

Firstlane Capita l is the entrepreneurial family office of Achim Bönsch, Sebastian Seifert, and Andreas Veller all WHU alumni and proven serial entrepreneurs. Over the past decade, they built and scaled viafintech (Barzahlen) into Europe's largest bank-independent payment infrastructure, leading to Germany's largest FinTech exit in a nine-figure transaction to Paysafe in 2021. At Firstlane Capital, we focus on building and backing category-defining ventures in FinTech, payments, and digital infr...

️ At Gauder, we rethink home improvement. Magnets, adhesives, insect protection - sounds basic? We get it. But the truth is: many DIY products on the market are overpriced, poorly made, or just not built to last. That's what we're here to change. At Gauder, we develop home improvement solutions that are reliable, user-friendly, and designed with purpose. Since 2017, more than 2 million customers across Europe and the US have trusted our products - from DIY enthusiasts to professionals. With 70,0...

Ninox is Europe's leading low‑code platforms, enabling thousands of companies to design powerful, flexible business applications without writing a line of code. From CRM to ERP to project management -- teams use Ninox to run their core operational workflows. Data is at the center of how Ninox makes product decisions, prioritizes roadmap initiatives, evaluates business performance, and serves customers. As we scale, we are building a modern data foundation -- and this is your opportunity to help ...

We co-founded and led Viafintech (Barzahlen) to 100+ FTE, one of the most successful German fintechs, active in 17 markets across the EU and USA, and sold it in 2021 for a € three-digit million amount to NYSE-listed Paysafe Group. Now we're off to our next venture. This time we're building a global champion for prepaid products: gift cards (Apple, Amazon, Google), airtime and eCash all in one simple API. Think of finperks as a stripe/adyen for all prepaid products and payments. We started in sum...

b2venture is entering its next chapter, building on 25 years of venture investing while actively shaping the future of European technology. We are looking for a Communications & Content Manager (m/f/d) to help bring that journey to life. This is a newly created role with real ownership, giving you the opportunity to shape how b2venture communicates its perspective and supports its founders and portfolio companies. Founded in 2000, b2venture is one of Europe's most experienced venture capital fir...

Frischblatt is one of the leading D2C brands for sustainable cleaning products for dishwashers and washing machines in the DACH region. We combine eco-friendly formulations with a strong focus on performance marketing, retention, and operational excellence. Our goal is simple: build a modern, data-driven consumer brand that makes sustainable cleaning the new standard. As Founder's Associate, you will work directly with the founder and leadership team on the topics that drive our growth, from str...

Why this role matters At JOIN, we believe hiring should be easy, fast, and fair - for companies and candidates alike. That's why we're building intuitive, powerful recruiting software that helps businesses of all sizes find the right people effortlessly. As our Founder's Associate, you'll play a central role in enabling JOIN's next phase of growth. You'll work directly with the CEO and the Chief of Staff on strategic and operational priorities. This is an opportunity to gain exposure to company-...

Wavess is an innovative AI-driven platform specializing in digital marketing. Our mission is to streamline marketing efforts, enhance content creation, and boost campaign performance for businesses of all sizes. This internship is not about busywork. You'll be part of real conversations, create assets that actually get used, and gain inside exposure to startup decision-making, growth strategy, and customer conversations. Important: This is an unpaid internship. Please apply only if you're genuin...

Experts. Talents. Personalities. Control Major Projects and Secure Budgets! For our esteemed client in the energy technology sector, we are looking for a Project Cost Controller (m/f/d) for the location in Berlin. Step into a dynamic environment where you´ll work on cutting-edge industrial projects with international reach. This position offers you the opportunity to shape financial strategies for complex turnkey projects while working alongside experienced project teams and senior management. Y...