Available to hire
I am a Senior Software Engineer with over 20 years of experience in enterprise Java and Kotlin solutions. I have dedicated my career to not only developing robust systems but also guiding teams through Agile transformations. My passion lies in modernizing legacy infrastructures and pushing for cloud-based solutions, aiming to enhance productivity and performance across projects.
Experience Level
Language
English
Fluent
German
Advanced
Work Experience
Senior Software Engineer at Health New Zealand (Te Whatu Ora)
October 1, 2025 - October 1, 2025Java development for Health Sector Agreements and Payments Programme (HSAAP) during the critical delivery phase. Supported testing team to meet tight deadlines, resolved production bugs, and rapidly acquired Camunda expertise to contribute effectively. Developed administrator support tool for Operational Services to streamline system management.
Senior Software Engineer at Land Information New Zealand (LINZ)
March 1, 2025 - March 1, 2025Core developer in Common Services team for Project STEP, modernizing LandOnline - NZ's national land title management system. Migrated legacy Windows/Powerbuilder/Informix application to AWS cloud-based microservices architecture using Kotlin/Spring Boot backend with TypeScript/React frontend. Part of a multiple-team initiative delivering a future-proof platform serving banks, attorneys, and land authorities nationwide.
Senior Software Engineer at NZQA
August 1, 2020 - August 1, 2020Lead developer in a small team delivering Micro-Credentials platform - enabling stand-alone qualifications and skills recognition within New Zealand's education framework. Provided 3rd level application support and helped migrating from end-of-life IBM FileNet to government-approved cloud solution.
Senior Software Engineer at Datara
August 1, 2018 - August 1, 2018Provided DevOps services at NZ Post. Developed prototype design for software simulation modeling system and prepared technical proposals for prospective clients.
Senior Developer at QV
February 1, 2017 - February 1, 2017Supported Software Architect in developing prototypes and introduced Test-Driven Development practices to the team.
Software Engineer at NZ Post
January 1, 2017 - January 1, 2017Assessed code quality and documented Ruby on Rails microservices. Developed and operated services with 2nd/3rd level support, performed database and code performance tuning, and mentored junior team members.
Senior Java Developer (Lead) at NZQA
November 1, 2015 - November 1, 2015Implemented University Entrance (UE) rule checker for 2015 requirements and developed Open Linked Data service using semantic web technologies.
Performance Engineer at Westpac
March 1, 2015 - March 1, 2015Developed testing scripts and drivers for performance testing. Conducted test analysis and optimization.
Senior Java Developer (Lead) at NZQA
August 1, 2014 - August 1, 2014Built University Entrance determination engine as microservice - it evaluates student achievement data to determine UE qualification status and calculates optimal completion paths when requirements not yet met.
Senior Java Developer at MetService
May 1, 2013 - May 1, 2013Performance optimization of meteorological forecast processing - reduced gigabyte-sized data processing from over 2 minutes to ~200ms using multicore and memory-mapped file approach.
Senior Java Developer at Energy Intellect
September 1, 2011 - September 1, 2011Java development for enterprise energy management software. Focused on database development, web UI implementation, and performance tuning.
Senior Java Developer at Kreditwerk
January 1, 2008 - January 1, 2008Developed varied Java applications and contributed to software design and testing.
Education
Specialized High School Graduation at Nidda, Germany
January 11, 2030 - January 1, 1994Qualifications
Oracle Certified Professional - Java SE7 Programmer
January 1, 2012 - October 27, 2025Sun Certified Java Programmer (SCJP)
January 1, 2006 - October 27, 2025Industry Experience
Government, Healthcare, Education, Software & Internet, Professional Services
Experience Level
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