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(Senior) Software Engineer (PHP/Symfony) (m/f/d)

Yoummday Gmbh

Berlin permanent

Posted: January 29, 2026

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Quick Summary

We are looking for a Senior Backend Engineer to develop our self-developed platform using PHP and Symfony, with a focus on clean code and quality management methods.

Job Description

Your mission:
We are looking for you as a (Senior) Backend Engineer (m/f/d) at our headquarters in Munich, in our offices in Berlin, Halle (Saale) and Sofia, or remotely from anywhere in Germany.
• 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 skillset:
• 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.


Your winning deal:
• Your benefits: In addition to 30 days of vacation, we also offer you a job lunch allowance (€69 per month), a “Givve” card (topped up with €50 per month), discounts via “Corporate Benefits”, the option of a JobRad-Leasing, pension contributions (occupational pension & VL) and great team and company events.
• 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.
• Freedom: You can work flexibly from home anywhere in Germany and have the opportunity to attend inspiring hackathons, tech days, or exciting conferences on-site to become part of our innovation culture
• Footprint: A position in a profitable company where you have the freedom and confidence to help shape it and work with us on the “future of work”.
• Values: We score highly with an open, authentic culture and a high-performing and humorous team that is already looking forward to making bold decisions with you and breaking new ground that will lead us to sustainable success.
• Work-Life-Balance: Work wherever you want within a flexible time frame - because it is the results that count.

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