Further develop and modernize our proprietary e-commerce platform, transitioning from legacy .NET to a modern technology stack
Implement new features, including product catalogues, payment and shipping integrations, and campaign and discount logic
Actively contribute to the migration towards modern frontend frameworks such as React or Vue
Integrate AI and LLM functionalities into existing and new modules
Analyse and optimise existing modules with regard to performance, maintainability, and user experience
Plan and execute deployments, including version control and documentation

A solid understanding of legacy .NET: you know how these systems work, can identify what is worth retaining, and understand what should be replaced
Strong knowledge of Microsoft SQL Server, particularly stored procedures and T-SQL
Proficiency in HTML, CSS/SCSS, JavaScript, and jQuery
Experience with or a genuine interest in AI-assisted development: you are willing to use Claude Code as your primary implementation tool and know how to guide it effectively
You think in terms of systems and architectures, rather than individual lines of code
A structured and analytical mindset, combined with an independent working style
Good German language skills, at least B2 level; we also work in English and Russian, and multilingual candidates are welcome

Currently being developed:

Work-life balance: Flexible start times and 28 vacation days, increasing with years of service, plus optional company pension scheme
Personal development budget: Negotiable based on individual needs
Additional benefits: €50 tax-free non-cash benefit per month
Workplace equipment: Height-adjustable desks, ergonomic office chairs, and two monitors at every workstation
Team events: Large summer party, team lunches, and additional team events