Philipp H.

Senior Software Engineer

Haag, Austria

Experience

Jan 2021 - Dec 2026
6 years
Vienna, Austria

Senior Software Engineer

ÖV Ticketshop GmbH

  • Worked on the national ticketing platform of ÖBB (Austrian Federal Railways) with over 200 engineers across multiple teams.
  • Led the in-house migration of a third-party coupon management system under tight deadlines, delivering a full-stack solution successfully integrated into the enterprise environment.
  • Maintained and evolved the system through continuous improvements.
  • Actively contributed to architectural evolution efforts, including the migration from Oracle to PostgreSQL, cloud adoption, introduction of Azure Service Bus, and the move toward a domain-driven, hexagonal architecture.
  • Participated in the architecture board and platform standardization initiatives.
  • Initiated and led improvements to the internal documentation structure, enabling effective knowledge sharing across teams.
  • Served as Scrum Master, driving agile maturity within the team and fostering autonomy, collaboration, and smoother delivery through cross-team coordination and participation in organization-wide transformation circles.
Jan 2019 - Dec 2021
3 years

CTO & Full Stack Developer

WR Digital GmbH

  • Developed the backend of a football card trading platform for the UK market and scaled the product from a prototype to a live platform with hundreds of active users.
  • Managed a team of three developers and oversaw the entire technology stack and development process.
  • Drove rapid feature delivery and weekend-based release cycles in close alignment with live football events.
  • Led the technical evolution of the system to improve performance and scalability while maintaining high delivery speed.
  • Contributed to the company’s growth from a small founding team to a startup with 15 employees.
  • Responsible for onboarding, team enablement, and establishing engineering practices under high uncertainty and regulatory constraints.
Jan 2018 - Dec 2019
2 years
Linz, Austria

Freelance Software Engineer

3 Banken IT GmbH

  • Built and extended backend services in the financial domain as an external developer.
  • Developed several standalone services independently and later contributed to the core backend team implementing PSD2 and XS2A compliance features in a complex J2EE environment.
  • Gained deep experience in regulated financial systems and large-scale enterprise integration.
Jan 2015 - Dec 2018
4 years
Vienna, Austria

Software Engineer

Digital River Online Games

  • Developed and maintained a platform for processing microtransactions in online games, working across payment processing, fraud prevention, catalog management, and performant REST APIs for web-based storefront integration.
  • Contributed to architectural improvements that reduced feature complexity and enhanced maintainability.
  • Introduced SonarQube for continuous code quality inspection.
  • Worked in a highly skilled and international team environment, actively participating in the company’s agile transformation from early Scrum training to regular refinement workshops.
Jan 2012 - Dec 2015
4 years
Vienna, Austria

Software Developer

Semantic Web Company GmbH

  • Worked on the PoolParty platform in the fields of ontology management, text mining, and vertical search.
  • Redesigned and rewrote the text mining component into a modular pipeline system supporting flexible configurations and efficient large-scale text processing.
  • Gained deep technical experience in Java, Spring, and Apache Lucene, exploring advanced index structures and optimization techniques.
  • Implemented a high-performance token matcher based on Lucene’s Finite State Transducer, significantly improving processing speed.
Jan 2011 - Dec 2012
2 years
Vienna, Austria

Software Developer

uma GmbH

  • Contributed to the backend development of SKIN, a multitouch display system for interactive content experiences, including deployments at Siemens Headquarters in Vienna.
  • Developed a custom-built content repository serving a C++ visualization engine.
  • Supported on-site installations and conference setups, gaining hands-on experience with complex hardware–software integration.
  • Worked in an international team, emphasizing continuous refactoring and technical quality for long-term maintainability.

Summary

Empowering organizations to enhance efficiency and innovation, leveraging my software engineering expertise to align technology with business objectives for practical, impactful solutions.

Languages

German
Native
English
Advanced

Education

Oct 2022 - Jun 2024

FH Hagenberg

Master of Science · Information Engineering and Management · Hagenberg, Austria

Oct 2007 - Jun 2011

FH Hagenberg

Bachelor of Science · Software Engineering · Hagenberg, Austria

Oct 2001 - Jun 2007

HTBLuVA

Diploma in Higher Technical Education · Industrial Engineering, Business Informatics · Waidhofen an der Ybbs, Austria

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