Full-Stack Developer (Payments, Cards & Mobile)

Quick Facts

• Role: Full-Stack Developer (Payments, Cards & Mobile) with German
• Collaboration: B2B contract
• Work model: Hybrid (Wrocław) or fully remote
• Focus: Cloud-based payment processing for POS, self-checkout, and e-commerce

Description

You will work on systems enabling reliable, secure, real-time dm payments—whether customers pay by card, cash, or using promotional coupons. The assignment covers advanced cloud-based development on both the backend and frontend, including API and UI integration for checkout systems. You will also help shape how AI can be used in project work.

Responsibilities

• Consult on building advanced cloud-based applications (backend and frontend)
• Support development of APIs and interfaces for cash register systems
• Advise on producing high-quality code with a focus on security, performance, scalability, and reliability
• Provide services related to developing an AI-driven approach for project work
• Support the further development of the system using new methods and technologies

Requirements

• Very good Polish (minimum C1) and German (minimum B2)
• Multi-year experience with Java/Kotlin and Spring
• Portfolio of frontend-related projects
• Knowledge of cloud services such as AWS, Azure, or GCP
• Openness to using AI during software development
• Ability to think creatively, stay open-minded, and share knowledge
• English at least B2

Benefits

• Rate: 140–180 PLN/hour + VAT
• B2B contract
• Hybrid (Wrocław) or fully remote collaboration