AIXTRON is a leading provider of deposition systems for the semiconductor industry, founded in 1983. The company develops advanced technologies that power applications in LED and display technology, energy management, and communications.

Driven by innovation and precision, AIXTRON offers the opportunity to work on cutting‑edge projects in interdisciplinary teams and contribute to the future of high‑tech development. We are currently looking for a Senior Full‑Stack Software Engineer (Frontend‑Focused) to strengthen our frontend development activities at the Sofia site.

Your Responsibilities:

• Design, implement, and enhance modern frontend components for company‑wide tool software using HTML, CSS, JavaScript, Vue.js, Bootstrap, and Plotly
• Contribute to full‑stack development using Node.js and C#/.NET within a modernized software architecture
• Play a key role in a major software refactoring initiative, helping shape a clean, scalable, and future‑proof architecture
• Support the build‑up of an agile software development team at the local site, fully integrated with the headquarters team
• Ensure AIXTRON’s quality standards through robust design, implementation, testing, and documentation, while complying with applicable international standards
• Mentor junior colleagues and help scale software development capabilities in Sofia

Your Profile:

• Strong passion for frontend development and building high‑quality user interfaces
• Solid experience with modern frontend technologies: HTML, CSS, JavaScript, Vue.js, Bootstrap, Plotly
• Full‑stack development experience with Node.js and C#/.NET, including relevant tools and frameworks
• Advanced expertise in Windows, Linux, COM, and object‑oriented programming
• Degree in an IT‑related field and at least 5 years of experience developing complex software systems
• Team‑oriented mindset combined with an independent, structured way of working and a strong sense of ownership
• Curiosity and willingness to explore new technologies, contribute ideas, and stay up to date with IT trends
• Strong communication skills in English; German is a plus, along with willingness to travel occasionally

Recruitment license from National Agency of Employment № 1931. All applications will be treated with strict confidentiality.