Stefan Kriechbaum, MSc
Eferding
Kurzprofil
Experienced Senior Software Engineer and Architect specialized in building highly resilient, scalable Kotlin and Java backends. Passionate about modern cloud infrastructure engineering, event-driven architectures, and driving efficiency through AI-assisted development. Dedicated to lifelong learning, architectural excellence, and mentoring technical teams.
Übersicht
4
4
years of post-secondary education
17
17
years of professional experience
Berufserfahrung
Senior Software Engineer
Tractive GmbH
2024.09 - Current
- Senior Kotlin engineer at a platform used by millions of pet owners worldwide. Focused on building resilient, reactive backend services across a rich stack of databases, messaging systems, and AWS cloud infrastructure, with a strong lean toward system design. Shaping new features across both product and technical architecture.
Software Architect
karriere.at GmbH
2023.01 - 2024.08
- Contributed to a restructuring initiative aimed at aligning architecture and product teams with Domain-Driven Design (DDD) principles. Conducted regular code reviews and mentoring sessions to help team members grow their technical skills.
Lead Software Engineer
karriere.at GmbH
2019.09 - 2022.12
- Led the Java backend engineering team responsible for core high-traffic services, including job and candidate search. Planned and evolved the technical infrastructure, successfully driving the modernization of the backend stack by introducing Kotlin.
Software Developer
karriere.at GmbH
2015.10 - 2019.08
Web Developer
karriere.at GmbH
2015.04 - 2015.09
IT Support
Crea Regio e.U.
2009.08 - 2015.03
Ausbildung
Master - Software Engineering
FH Hagenberg
2015.10 - 2017.07
Bachelor - Software Engineering
FH Hagenberg
2012.10 - 2015.07
Kompetenzen
Architecture, AI & Design
- API & Distributed Systems Design
- AI-assisted Engineering
Core Languages & Frameworks
- Kotlin Java
- Spring Framework
- Quarkus
- Python
Cloud, DevOps & Infrastructure
- AWS Google Cloud Services
- ELK Stack (Elastic Certified Engineer)
- Docker
- Jenkins
Data Systems & Messaging
- MongoDB DynamoDB DocumentDB
- MySQL Redis
- SQS SNS
- RabbitMQ
Languages
German
Proficient
C2
English
Advanced
C1
Zeitleiste
Senior Software Engineer
Tractive GmbH
2024.09 - Current
Software Architect
karriere.at GmbH
2023.01 - 2024.08
Lead Software Engineer
karriere.at GmbH
2019.09 - 2022.12
Software Developer
karriere.at GmbH
2015.10 - 2019.08
Master - Software Engineering
FH Hagenberg
2015.10 - 2017.07
Web Developer
karriere.at GmbH
2015.04 - 2015.09
Bachelor - Software Engineering
FH Hagenberg
2012.10 - 2015.07
IT Support
Crea Regio e.U.
2009.08 - 2015.03