Software Backend Engineer - PHP & Golang (all genders)
TLDR
Be part of a small, autonomous team building scalable backend services in Go, modernizing existing PHP systems while directly impacting a platform used by millions.
Our Vision
At Cardmarket, people come first.Our goal is to create a workplace where everyone feels safe, appreciated, and inspired. A place where you enjoy coming to work and feel good about heading home at the end of the day.
Open communication is at the heart of our culture. Only by talking openly about challenges, big or small, can we find solutions together. Cardmarket connects people across continents, regardless of skin colour, origin, religion, nationality, gender, or sexual orientation. We treat everyone equally and expect the same from all applicants. Our strength lies in our diverse perspectives and the shared commitment to move forward together as an inclusive team.
You’ll work closely with other engineers to design new services in Go while gradually modernizing existing PHP systems. This role is for someone who enjoys solving complex problems, takes ownership of their code, and gets a kick out of building clean, reliable, and scalable software that improves a product used by millions every day.
Your Responsibilities
The Engineering department consists of 20+ engineers organized into specialized teams.
Each team operates as an autonomous scrum unit with clear ownership of their domain while collaborating across teams on shared infrastructure and platform components.
The Marketplace team consists of 4-5 engineers.
As part of the team you will:
Design and implement new services in Go end-to-end
Maintain and migrate existing PHP systems gradually
The team is led by the Technical Engineering Manager.
Your profile
Fluent English is a must
Available to start within 3 months
Valid work permit for Germany is necessary & presence in Berlin is required!
2+ years of backend experience with PHP and Go. You'll work on migrating legacy systems (PHP) while building new services in Go, with a gradual shift toward Go as we modernize
Problem-solving skills and the ability to break down complex technical challenges
A collaborative team player committed to writing clean, well-tested code and continuously improving your engineering practices
Nice to have (Bonus):Basic familiarity with Agile/Scrum methodologies
Basic understanding of CI/CD concepts and Git-based collaboration
Some cloud platform experience or willingness to learn fundamentals
Our Current Tech Stack
Languages: Go 1.24 / PHP 8.3
Databases: MySQL / Redis
Infrastructure: AWS / VPC / Kubernetes / Terraform
Why us?
Imagine a workplace where passion, trust, and personal responsibility are part of everyday working life.A place where people enjoy coming together, sharing ideas, laughing together, while at the same time working with a high level of professionalism.That’s exactly what you’ll find at Cardmarket.
- Your everyday work
You will work in a full-time position (40 hours per week) at our office in Berlin, a place where creative energy, exchange, and focus come together. At the same time, we offer a hybrid working model and provide you with all the equipment you need for your work.
Thanks to flexible working hours with clearly defined core hours, you can structure your day in a way that allows work and private life to harmonize well.
- Community & Culture
We meet each other as equals. An informal, first-name culture is a given, from interns to management. We believe that great results are achieved where people feel seen, heard, and valued.
Our shared passion for trading card games connects us, at work and beyond. It symbolizes what defines us: curiosity, strategy, teamwork, and the drive to continuously challenge ourselves.
- Vacation & further benefits
Five weeks of paid vacation as well as a Germany-wide public transport ticket (Deutschlandticket) that supports you flexibly in your everyday life. A lunch allowance (up to €7.67 per workday) that allows you to be reimbursed for your lunch.
- Your development matters
Standing still is not an option for us, at least not in a positive sense.
With a personal annual learning budget of €1,500, we deliberately invest in your development: conferences, courses, books, or new skills. You decide what helps you move forward.
- Mental & physical health
We know: Great performance can only happen when people are doing well.
That’s why we support you with an Urban Sports Club membership for your physical balance, our collaboration with DearEmployee, which offers anonymous, professional psychological support, and the Women of Cardmarket & LGBTQIA+ Group, which promotes exchange, visibility, and empowerment.
In short
With us, you won’t find anonymous open-plan offices or rigid structures, but a work environment with heart, values, and genuine appreciation, a place where you’re not only allowed to be yourself, but expected to be, take responsibility, and continue developing, professionally and especially personally.
Benefits
Urban Sports Club membership
We support you with an Urban Sports Club membership for your physical balance.
Paid Time Off
Five weeks of paid vacation as well as a Germany-wide public transport ticket (Deutschlandticket) that supports you flexibly in your everyday life.