C and Java Software Developer and Tester

Our target groups include professionals and executives in commercial and technical fields. We support graduates, skilled professionals, and specialists throughout their career paths and assist companies in finding the right talent for their teams.

Aktuell suchen wir ab sofort zur Verstärkung für unseren Standort Graz-Umgebung/Remote: 1 C and Java Software Developer and Tester (m/f/d) Are you looking for a new professional challenge? Then you’ve come to the right place, because to strengthen our HR Group team, we are continuously seeking new employees at our various locations throughout Austria. After receiving your application documents, we review all available opportunities internally, discuss your individual expectations and career goals with you in a personal interview, and provide the best possible support for your professional entry and/or advancement!

Your Tasks…

• Design and implementation of software for Hardware Security Modules (HSMs) in C
• Design and implementation of HSM-related test cases in Java
• Develop and maintain automated Java-based tests and integrate changes into CI/CD pipelines
• Design and implement secure backend services and REST-based microservices using Java Spring Framework (nice to have)
• Contribute to a microservice-based platform, with focus on security, reliability, and performance (nice to have)
• Participate actively in code reviews, knowledge sharing, and continuous improvement
• Learn and apply modern frameworks, technologies, and messaging systems used in the platform

• Technical University degree or similar qualification
• 5+ years of software development experience using C
• Experience building and maintaining test, tools, and backend services, using Java
• Interest in or initial exposure to security concepts, cryptography, or PKI
• Experience working with CI/CD pipelines and DevOps tooling (e.g., Git, Jenkins)
• Hands-on experience with Docker and basic exposure to Kubernetes (nice to have)
• Excellent written and spoken English skills
• Collaborative team mindset
• Structured problem-solving approach with a strong focus on code quality
• Motivation to grow technically and take on increasing responsibility
• Willingness to travel within the EU for workshops and project alignment (~15%)

• Options for individual and specialised education and training
• Good working atmosphere in an successful company
• Flat hierarchies and short decision paths
• Regular events for employees
• Flexible working hours, employee parking spaces and good public transport connections
• The opportunity to actively shape your own career

Minimum Salary The minimum salary is EUR 4.263,83 gross per month (full-time basis). A higher salary is offered depending on qualifications and relevant professional experience.

Are you interested? Then please send us your complete application documents (cover letter, CV incl. photo, training and further education certificates as well as service certificates) right here using the online form.

https://karriere.hr-group.co.at/job/view/3702/c-and-java-software-developer-and-tester-m-f-d?page_lang=de Angaben des Unternehmens gemäß Gleichbehandlungsgesetz: Das Mindestentgelt für die Stelle als C and Java Software Developer and Tester (m/f/d) beträgt 4.263,83 EUR brutto pro Monat auf Basis Vollzeitbeschäftigung. Bereitschaft zur Überzahlung.