Senior Developer – DevOps, CI/CD & Java (m/f/d)

Do you enjoy diving deep into code and want to build a product that has real impact? At JAASPER, you will work hands-on on an AI platform that combines SaaS and On-Prem, relies exclusively on Open Source, and successfully implements AI on-prem and on-device in sensitive areas. Together with our development team (UI, AI, Backend), you will shape DevOps, CI/CD, and Backend development – with the perspective of taking responsibility for a team yourself in the medium term.

What makes us special Our core business includes SaaS, On-Premise, and On-Device AI – including offline AI for text, audio, and images. This is complemented by sophisticated solutions for a high-profile customer environment: authorities, professionals bound by professional secrecy, companies of all sizes (from micro-enterprises to corporations), as well as interest groups throughout the DACH region. We require a high level of expertise in the field of Enterprise IT. Our customers especially value our creative solutions. We do not shy away from technically difficult topics, work closely with the user and the customer, and thereby deliver software that offers clear added value. We work exclusively with Open-Source software and rely on modern AI-assisted Coding – used responsibly and with a focus on security. Role As a Senior Developer, you are a strong-implementation, hands-on personality at the heart of our development. You will work closely with our development team (UI, AI, Backend) and take responsibility for DevOps, CI/CD, and Backend development in Java. You will help shape how we deliver cleanly, automatically, and securely – across SaaS and On-Prem deployments. The team is intended to grow to 10+ developers by 2027. If you are interested, there is a clear perspective for you to develop into a Team Lead in the medium term. Tasks Construction, operation, and further development of CI/CD pipelines (e.g., GitLab CI, GitHub Actions, Jenkins) Backend development in Java and co-design of a scalable application Containerization with Docker/Docker Compose; orchestration and scaling (Kubernetes, Docker Swarm, Nomad or similar) Server administration and management (Linux) Monitoring & Observability (e.g., Prometheus, Grafana, Loki, ELK-Stack) SaaS and On-Prem deployments including backup, disaster recovery, and high-availability concepts Networking fundamentals (DNS, TLS, Reverse Proxies, Firewalls) Contribution to security topics: vulnerability and patch management, security hardening of servers, containers, and applications (CIS Benchmarks) via code, secrets management, logging, and audit trails Responsible use of AI-assisted Coding – we use commercial and Open-Source tools as well as On-Device-AI

Our Offer 100 % Home Office Full-time (38.5 hours/week) Minimum salary 3,954.00 EUR gross/month according to the IT collective agreement – overpayment possible depending on qualification and experience Clear development perspective towards Team Lead Participation in innovative and demanding tech/IT projects, including ISO-27001 certification Access to modern AI-assisted Coding with commercial and Open-Source tools as well as On-Device-AI – we rely on productivity-enhancing technologies and simultaneously expect a responsible, security-conscious handling of them Lean structures and flat hierarchies – short decision-making paths instead of endless meetings and Jour Fixes State-of-the-art hardware (e.g., MacStudio) Established company with over 10 years on the market, excellent references, as well as exciting existing and new customers Work exclusively with Open-Source software – we are one of the few companies in Austria that successfully implements AI on-prem and on-device in sensitive areas

Requirements Experience At least 5 years of relevant professional experience as a Developer with a focus on DevOps and Backend Experience in Scaleups or larger companies is an advantage Experience with ISO 27001 is a plus, but not a must Experience with secure On-Prem deployments is an advantage Qualifications Sound knowledge in DevOps, CI/CD, and Backend development (Java) Experience in building and operating scalable applications Hands-on mentality, even with security topics: You can write and adapt code yourself to improve system security Independent, structured way of working Passion for clean infrastructure, automation (including automated tests), and security best practices Intrinsically motivated personality with a high willingness to learn Experience with AI-assisted Coding is required (commercial and Open-Source tools) Nice to have: Scripting skills (Bash, Python, Go), Java frameworks (Spring Boot, Maven/Gradle), certifications & training (e.g., ISO/IEC 27001 Foundation) Residence in Austria (for insurance law reasons) Work permit for Austria Very good English skills; company language is German Criminal record certificate required Education Completed training in the IT field (HTL, FH, University) or comparable qualification acquired through professional experience

Task Distribution (approx.) New features: 35 % DevOps, Maintenance, Bugfixing: 35 % Customer contact: 20 % Documentation: 5 % Meetings: 5 %

Application Process We respect your time and keep the process transparent: Round 1: Online call (approx. 1 hour) for mutual acquaintance Round 2: Assessment Center – Coding Challenge, remote, effort approx. 5 hours Round 3: Personal interview and Team-Meet

Sounds like your next challenge? Then we look forward to your application; please send your resume/CV to info@jaasper.com.