Philipp Himmelfreundpointner
Senior Software Engineer
Experience
Senior Software Engineer
ÖV Ticketshop GmbH
Worked on the national ticketing platform of ÖBB (Austrian Federal Railways) with over 200 engineers across multiple teams. Initially 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. Subsequently 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 after several prior failed attempts. 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.
CTO & Full Stack Developer
WR Digital GmbH
Joined Footstock initially part-time to develop the backend of a football card trading platform for the UK market. Later transitioned to full-time and assumed the CTO role, managing a team of three developers and overseeing the entire technology stack and development process.
Scaled the product from a prototype to a live platform with hundreds of active users, driving 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.
Freelance Software Engineer
3 Banken IT GmbH
Joined as an external developer to build and extend backend services in the financial domain.
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.
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, and introduced SonarQube for continuous code quality inspection.
Worked in a highly skilled and international team environment, where collaboration and continuous improvement were central values.
Actively participated in the company’s agile transformation, from early Scrum training to regular refinement workshops, helping the team improve sprint by sprint.
Software Developer
Semantic Web Company GmbH
Worked on the PoolParty platform in the fields of ontology management, text mining, and vertical search. Collaborated closely with senior developers to redesign and rewrite 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.
This period strongly shaped my analytical and architectural mindset, combining hands-on engineering with the conceptual rigor of Semantic Web technologies.
Software Developer
uma GmbH
Contributed to the backend development of SKIN, a multitouch display system designed to deliver interactive content experiences for marketing installations, including deployments such as Siemens Headquarters in Vienna. The backend provided a custom-built content repository serving a C++ visualization engine developed by the graphics team.
Supported on-site installations and conference setups, gaining hands-on experience with complex hardware–software integration.
Worked in an international team with English as the office language, learning the importance of continuous refactoring and technical quality to manage 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.
Skills
- Methods: Domain Driven Design, Safe, Scrum, Extreme Programming
- Frontend: Angular, Typescript, Javascript
- Backend: Java, Spring, Postgres, Oracle, Redis, Hazelcast
- Infrastructure: Azure, Aws, Docker, Kubernetes
Languages
Education
FH Hagenberg
Master of Science in Information Engineering and Management · Information Engineering and Management · Hagenberg, Austria
FH Hagenberg
Bachelor of Science in Software Engineering · Software Engineering · Hagenberg, Austria
HTBLuVA
Diploma in Higher Technical Education in Industrial Engineering with focus on Business Informatics (Matura) · Industrial Engineering with focus on Business Informatics · Waidhofen an der Ybbs, Austria
Profile
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