Overview
We are 5G Systems GmbH - with an office in the heart of the city center of Vienna and we aspire to craft, manage, and innovate high transactional software solutions for diverse gaming brands that drive multiple regulatory environments and products for the gaming industry, ensuring technical excellence, customer alignment, and continuous innovation. 5G Systems GmbH is an equal opportunity employer. Here we value diversity and are committed to providing a professional environment of mutual respect to everyone without regard to race, color, religion, national origin, age, gender, disability, or other protected characteristics. 1 (Senior) Frontend Software Engineer (m/w/d) is part of our team and contributes to this mission.
Responsibilities
* Lead the design and implementation of complex, interactive web interfaces using TypeScript and Web Components (Lit-based).
* Architect and build scalable, maintainable frontend solutions with a strong focus on performance and code quality.
* Translate UI/UX designs into responsive, accessible, and production-ready web applications in close collaboration with product designers, backend engineers, and stakeholders.
* Write clean, modern, and semantic CSS, avoiding frameworks in favor of well-structured plain styles.
* Develop and maintain a reusable component library using Storybook, ensuring design consistency across products.
* Optimize applications for speed and scalability, leveraging tools like Vite for fast development and builds.
* Ensure code quality through best practices and tooling such as ESLint, Biome, and SonarQube.
* Lead by example in code reviews, mentoring team members, and fostering a culture of continuous improvement.
* Stay current with frontend trends and emerging technologies, proposing adoption where beneficial.
* Troubleshoot and debug issues effectively to maintain a seamless user experience.
Qualifications
* University degree or equivalent in the field of Technology is an advantage.
* Professional experience in hands-on frontend development.
* Fluency in English is mandatory (German is an advantage).
* Strong experience with TypeScript, Lit/Web Components, and modern frontend architecture.
* Deep understanding of CSS and a passion for pixel-perfect implementation.
* Familiarity with build tooling, component libraries, and performance optimization techniques.
* Strong communication skills — you can explain technical decisions clearly and understand non-technical perspectives.
* Proactive mindset — you take ownership, raise issues early, and look for solutions instead of waiting for direction.
* Collaboration and empathy — you value diverse perspectives and enjoy working closely with others.
Offer & Culture
* The unique chance to write Gaming history from Austria, more precisely from the heart of the city center of Vienna.
* Hybrid working model combining office and home-office days. All teams are expected to work from home and spend an average of three days a week in the office together.
* Fantastic celebrations - such as Summer Party, Welcome Days, Project releases completion, Poker nights and the X-Mas Party.
* Your Birthday is a Free-Day from work.
* Competitive annual base salary starting from €82,000 up to €90,000, adjustable to your level of experience.
How to apply
Please apply online. The minimum remuneration for the position is €82,000 gross per year full-time. Willingness to overpay is stated.
Job location
Vienna, Austria (office in the city center).
Employer
Name siehe Beschreibung. Sector: Computer programming activities. Organisation size: Medium-sized enterprise.
Remuneration
Remuneration basis: Fixed base salary. Salary from €82,000 (initial rate of compensation).
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