Checkout Charlie is the company behind several consumer and coupon platforms such as https://jobeax.com/link/wHn30P7zTyH5IIGd, https://jobeax.com/link/vSPUQf1OF17GPNHM and shopmate.

Do you want to actively shape modern web applications and take ownership across both frontend and backend development ? Are you eager to contribute to architectural decisions and the technical evolution of the platform ?

Then we could be a great match. We are looking for an experienced Full Stack Developer (all genders) who enjoys thinking through technical solutions, implementing them cleanly, and working in an international environment.

What you´ll do:

Developing e-commerce applications with a focus on performance, scalability, and clean API architecture
Building and maintaining modern frontend applications - ideally with https://jobeax.com/link/tzGekrj9a8ToGEDv or a comparable framework
Developing backend services and APIs using https://jobeax.com/link/JSd7UYCSg572jJDY, JavaScript, and TypeScript
Translating business requirements into sustainable technical solutions
Analyzing , debugging (Datadog), and optimizing applications while ensuring stable performance
Clean code, pragmatic solutions, code reviews , and open technical exchange within the team
Collaboration with Product and other cross-functional teams

What you bring:

Several years of professional experience as a Full Stack Developer
Strong expertise in TypeScript and JavaScript , along with hands-on experience in frontend and backend development
Experience with https://jobeax.com/link/tzGekrj9a8ToGEDv or another modern frontend framework
Good understanding of API design, system integration , and modern web architectures
You care about clean architectures, maintainable code, meaningful testing , and sustainable technical solutions
Experience with AI-assisted coding tools and an interest in integrating them effectively into development workflows
A structured and independent way of working combined with a collaborative mindset
Very good English skills ; German skills are a plus

What else can you expect?

A collaborative and respectful working environment, transparent decision-making, creative freedom, and flat hierarchies
Team brainstorming sessions, pair programming, and code reviews
Agile ways of working in self-organized teams
Flexible working conditions including flexible hours, hybrid work, and workation options
Social activities such as company/team events, and participation in sports events
A healthy office setup with height-adjustable desks, snacks, drinks, and fresh air breaks
Opportunities for professional and personal growth through conferences, trade fairs, and learning days
S ustainable mobility options including bike leasing, public transport support, and free parking

What you can expect from us: You'll work in an environment where technical quality and pragmatic solutions matter. We give you the space to take ownership, actively shape processes, and continue growing professionally.

Sounds interesting? We'd love to get to know you.

Senior Full Stack Developer (all genders) (all genders)

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