(Senior) Backend Engineer (m/w/d)

yoummday – You Made My Day!

Are you excited about an innovative business model, a sustainable corporate culture, and being part of a motivated, high-performing team?

Then you’ve come to the right place at yoummday! We are transforming an entire industry – transform it with us!

You made my day – with our innovative and groundbreaking platform, we are already providing countless people worldwide with access to a new, flexible, and self-determined working world. At the same time, our software offers our customers a fully virtual and market-revolutionizing customer service.

Your mission

• Responsibility: You will be responsible for the further development of our self-developed platform using proven coding, design, and quality management methods, finding optimal solutions for technical challenges
• Coding: You will develop our web-based platform using state-of-the-art approaches with PHP and Symfony, apply the principles of Clean Code, and document your source code in a structured manner
• Improvement: You will contribute your experience to the development and design of new features in your product team and share your technical knowledge in cross-functional formats
• Team: You will be an integral part of a product team consisting of experienced product people and engineers, exchanging ideas with them on equal footing to continuously improve our platform. Additionally, you will act as a technical point of contact for our junior engineers
• Know-How: You master your craft, participate in validation and functional testing of modern IT applications, support adjustments or maintenance tasks, and ensure a future-proof, efficient, and scalable development of our software solution

Your profile

• You have relevant training or a degree in mathematics, computer science, natural sciences, or engineering, or bring extensive professional experience
• You are an experienced software developer with long-standing expertise in building web applications using PHP, Symfony, MySQL, and other modern technologies, and you’re open to experimenting with unconventional approaches to drive our platform’s development forward
• You enjoy diving into complex systems and understanding diverse user groups, maintain high-quality standards, and have a passion for software development
• You thrive in a cross-functional Scrum team and actively participate in collaborative formats (e.g., hackathons or tech days)
• You are proficient with Git, containerization technologies (Docker and Kubernetes), Jira, and much more.
• You communicate confidently in English and bring a healthy sense of humor to the team
• You are enthusiastic about continuously improving and optimizing our platform, and you’re excited to tackle technical challenges with creativity and innovation

Why us?

• Task: You create your own area of responsibility and expand it through short decision-making processes and a lot of creative freedom
• Innovation: An exciting field that wants to develop in a performance-oriented and motivated team and through the latest technologies
• Footprint: You will work with us on the three global trends Future of Work, Sustainability and Sharing Economy
• Values: We see ourselves as a loyal start-up family, in which we will develop together with authenticity as well as courage and therefore, sustainably change the world for a better with every step
• Work-Life-Balance: Work wherever you want within a flexible time frame – because it is the results that count

About us

We are a game changer – innovative, contemporary, and different. A company where it’s fun to be a customer, talent, and especially an employee. If you’re excited about an outstanding business model and a sustainable company culture, and want to be part of a motivated, high-performing team, then you’re in the right place with yoummday!

Powered by our technology, we are well equipped to revolutionize the working world: Self-determined work under fair conditions! Customers can use our platform to completely set up and manage their customer experience virtually. At the same time, our marketplace provides access to talent working worldwide. Price, quality, and flexibility are not trade-off decisions with us – we deliver excellence across all dimensions.

Are you excited about innovation and revolution? Become a Daymaker!