André Håland is a software engineer based in Oslo with nine years of professional experience, currently building resilient systems at DNB. He has a strong backend focus and practical expertise in Go, demonstrated by contributions to the widely used Open Policy Agent project—adding features like time.diff, improving big-integer handling, and expanding crypto key support. His background includes repeated internships at Kongsberg Defence & Aerospace and academic training in data engineering and computer technology from Universitetet i Sørøst-Norge and NTNU. André combines production-grade engineering with attention to correctness and testing, evident from his work on core functionality and test suites in open source. Colleagues can expect a pragmatic developer who bridges academic rigor and enterprise-grade delivery.
9 years of coding experience
1 year of employment as a software developer
Norges teknisk-naturvitenskapelige universitet
Bachelor, Dataingeniør, Bachelor, Dataingeniør at Universitetet i Sørøst-Norge
Open Policy Agent (OPA) is an open source, general-purpose policy engine.
Role in this project:
Back-end Developer
Contributions:9 reviews, 5 commits, 5 PRs in 3 months
Contributions summary:André primarily contributed to the core functionality of the Open Policy Agent (OPA) project. Their work involved significant modifications to the Go codebase, addressing issues related to handling big integers in comparisons and string formatting. Additionally, they implemented new features, such as the `time.diff` built-in function. They also focused on improving the project's capabilities by allowing PKCS8 encoded EC private keys. The user also made contributions to the test suite.
Contributions:33 PRs, 60 pushes, 3 branches in 2 months
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