Senior Frontend Developer (w/m/d)

• Develop user-friendly, scalable frontend solutions for the aedifion platform to enable self-use and empower customers to use complex features independently
• Create intuitive interfaces that hide technical complexity and improve daily work through close collaboration with design and iterative improvement
• Systematically optimize performance, loading times, and user experience with modern tools and best practices
• Establish testing standards, create maintainable code, and contribute to a culture of quality and long-term solutions

Your work directly contributes to CO₂ reduction by making buildings smarter, more sustainable, and energy-efficient through the aedifion platform, creating real, measurable environmental impact worldwide.

• Comprehensive experience in frontend development with modern JavaScript frameworks (Vue.js, React, or Angular) and building complex SaaS web applications
• Proficiency with TypeScript, modern CSS frameworks (e.g., Tailwind CSS), and transforming designs into responsive, high-performance UI components
• Experience with testing frameworks (Jest, Vitest, Cypress) and a strong quality mindset for maintainable, well-documented code
• User-focused approach with understanding of UX principles, attention to detail, performance, accessibility, and usability

• Flexible work-life balance with flexible hours, short core working time, and options to work from the Cologne office, remotely in Germany, or up to 10 days/year from other European countries
• 30 days annual vacation, fresh organic fruit, regional coffee, free drinks, and monthly team breakfasts
• Permanent employment contract after probation period with tailored training opportunities, conference visits, workshops, and personal development time
• High-quality equipment (Microsoft or Apple), noise-cancelling headphones, sustainable mobility options (Deutschland-Ticket or JobRad), and financial security benefits (VWL or bAV)
• Open, diverse team culture with regular events, flat hierarchies, knowledge sharing, and dog-friendly office

Aedifion is an innovative tech company that uses IoT, AI, and cloud solutions to make existing buildings smarter, more sustainable, and easier to manage, contributing to CO₂ reduction and enabling sustainable real estate.