You design and implement high-performance backend systems based on Java, Hibernate and Oracle.
You work on the architecture and development of our web application and ensure smooth integration between frontend and backend.
You optimize SQL queries to continuously improve the performance and stability of our applications.
You ensure the highest quality standards through code reviews and the use of automated tests, and promote best practices.
You take ownership of technical decisions and actively contribute new ideas and innovative solutions to development.
You work closely with our Product Owners to shape forward-looking solutions that meet our customers' needs.
You are part of an experienced, agile development team and benefit from a high degree of autonomy and short decision-making paths.

Several years of experience (minimum 5 years) in application development and software architecture
Strong Java skills and proven experience with JPA/Hibernate and REST services
Experience optimizing databases and SQL performance, preferably using Oracle
Ideally, frontend experience with web technologies such as Angular or JSF
Familiarity with CI/CD tools (e.g., Jenkins)
Completed education in computer science (university, university of applied sciences, or technical college)
Knowledge of agile development methods (e.g., Scrum, Kanban)
Strong communication skills, team orientation and the ability to think both technically and solution-focused
Very good German skills (C1) and basic English skills (B1)

25 days annual leave
Flexible working time models
Trust-based working hours and a flexitime account
Flexible work models: on-site or hybrid
Sabbatical option
Paid Vienna public transport annual pass (Wiener Linien) or subsidy for the KlimaTicket
Access to exclusive employee offers and discounts
Company-subsidized pension plan (20% employer contribution)
Bicycle and e-bike leasing (up to a value of €10,000)
Option to include an additional bicycle, e.g., for a partner or children
Corporate benefits: discounts with a wide range of brands and manufacturers
Health prevention measures including health days, ergonomic equipment and computer glasses
Free snacks, fruit, vegetables as well as hot and cold drinks
Hardware provided, e.g., work laptop, monitors, headset, etc.
Agile and fast workflows in a flat hierarchy with an informal, first-name culture
Comprehensive onboarding with an onboarding buddy
Internal and external training and seminars (e.g., via Udemy or other reputable providers) to acquire new skills and/or certifications
Regular team and company events such as beer tastings, Children’s Days, BBQs and Secret Santa — where all colleagues are encouraged to contribute their ideas

Senior Full Stack Developer – Business Software

Key skills