Senior Full-Stack Developer

At cofenster, our mission is clear:
Everyone in an organization should be able to create professional videos easily.

With our latest innovation – the AI video agents – we’re setting a new benchmark in video creation.

Our AI agents automatically analyze and transform long videos into high-quality highlight clips or turn documents into professional‑looking videos, optimized for platforms like Tik Tok and Instagram. Specifically designed for enterprises, our AI video agents are the first solution that meets the complex customization needs of large organizations.

As a Senior Full‑Stack Developer, you’ll join our cross‑functional product team working on the core cofenster platform. You’ll be involved in developing exciting new features, maintaining and improving our existing systems, and ensuring our technology remains scalable, accessible, and reliable.

Our growth speaks for itself – and we’re ready to go even further.

That’s where you come in!

• Shape the future of our AI agents by designing and building impactful new features
• Strengthen our codebase through smart refactoring, innovative solutions, and continuous improvements that make our platform more robust and scalable
• Champion accessibility, ensuring everyone – including people with disabilities – can use cofenster effectively
• Drive excellence in key engineering areas like security, performance, testability, and overall product performance
• Collaborate closely with a passionate, cross‑functional team of designers, product managers, and our customer success team to turn bold ideas into reality and deliver impactful user experiences

• Proficiency in Type Script/JavaScript, as it is used from the frontend to the backend, as well as part of the infrastructure
• Comfort in backend technologies such as Node.js, Graph
  
  QL, Prisma, and AWS
• Strong React skills and extensive experience building production applications with React
• An eye for product design, including knowledge of digital accessibility, to keep improving our product for all our customers
• At least 5 years of experience designing and building interfaces with code (HTML, CSS, accessibility, interface design)
• Experience with automated testing to contribute to the development of our QA pipeline (for instance, Jest, Cypress, or other testing frameworks)
• Ability to work efficiently in an agile team, ideally with some experience having worked on a SaaS product before

• Growth Opportunities: A dedicated budget for training, coaching, and personal development to support your career progression.
• Wellness Benefits: Enjoy a membership to the Urban Sports Club to support your health and well-being.
• Flexible Work Culture: Embrace a remote‑first approach with two offsite retreats each year across Europe.

Interested in this exciting opportunity? Contact us today to explore how you can shape the future of AI in video production!