Senior Fullstack Software Developer

Responsibilities

• Implement customer requirements into tailored, sustainable software solutions
• Develop custom extensions for our CRM and xRM platform
• Analyze, debug and optimize existing applications
• Develop and maintain interfaces to third-party systems
• Evaluate technical requirements and provide realistic estimates of effort and complexity
• Conduct code reviews and ensure high software quality
• Mentor and provide technical support to less-experienced developers
• Actively use and further develop AI-supported development processes

Requirements

• At least 5 years of hands‑on software development experience after completing your degree or vocational training
• Confident working in a full‑stack environment with a solid understanding of frontend, backend and database topics
• Strong SQL skills and experience with relational databases
• Proficient in at least one modern programming language; knowledge of JavaScript and/or TypeScript is an advantage
• Experience working with APIs, interfaces and system integrations as part of day‑to‑day work
• Testing, debugging and structured error analysis are a natural part of your development process
• You already use AI‑assisted development tools productively to support development, testing, analysis or documentation
• You work in a structured, self‑reliant and solution‑oriented way
• You are comfortable working in existing or mature system landscapes