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Kajsa Eriksson Rosenqvist

PROFILE

Kajsa Eriksson Rosenqvist

Worked on the oqc-community/qat repository, delivering a new QAT Core and compiler pipeline that supports multi-language input, including QASM and QIR, through modular analysis, optimization, and parsing passes. Enhanced the QIRFrontend by integrating conditional Tket optimizations and expanding test coverage with comprehensive unit tests for hardware models and parser behavior. Improved QASM3 gate parsing robustness by addressing variable redeclaration and optimizing default gate handling, while also increasing CI/CD reliability with workflow enhancements for patch-release branches. The work emphasized Python development, compiler design, and rigorous unit testing to ensure reliable quantum computing compilation and maintainable software infrastructure.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

9Total
Bugs
1
Commits
9
Features
4
Lines of code
1,037
Activity Months2

Your Network

20 people

Work History

May 2025

3 Commits • 2 Features

May 1, 2025

May 2025 focused on delivering core QIRFrontend enhancements and strengthening test coverage to ensure reliable QIR outputs across configurations. Key efforts include integrating conditional Tket optimizations into the QIRFrontend.emit path and expanding test infrastructure with comprehensive unit tests for hardware models, parser behavior, and binary/raw output handling.

November 2024

6 Commits • 2 Features

Nov 1, 2024

November 2024 monthly summary for oqc-community/qat. Delivered a new QAT Core and a compiler pipeline that replaces the frontend-based approach, enabling multi-language input (QASM and QIR) with modular analysis, optimization, and parsing passes. The work includes parity tests for the core QAT component and shipped initial compilation passes. Fixed QASM3 gate parsing robustness, addressing variable redeclaration, enhanced default gate parsing, and caching of generated QASM strings, with expanded test coverage for defaults, combined gates, and cu gate support. Extended the CI/CD workflow to trigger builds on patch-release branches, improving patch-release reliability. Key commits include: 4d84076c43fcaafd99571e0f8faa5af4aa50de32; 4e0035e639261d6509a41c4ab8f330a03a781cab; 929237d4a21633ab8bb66ffb419f8c4febe5b1a3; c5d8b9624120bf7eba61ac7745415ca1ba1cf9e0; b77240c185d9d08cb278dc75d225a468d7ef1eed; e3c3e6038a0ed04b4b4fa9c9fd41c5dd7a842f7a.

Activity

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Quality Metrics

Correctness91.2%
Maintainability86.8%
Architecture88.8%
Performance78.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

Python

Technical Skills

API DesignCI/CDCode RefactoringCompiler DesignFile HandlingGitHub ActionsQASMQASM IntegrationQIRQuantum ComputingSoftware DevelopmentSoftware EngineeringTestingUnit Testing

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

oqc-community/qat

Nov 2024 May 2025
2 Months active

Languages Used

Python

Technical Skills

API DesignCI/CDCode RefactoringCompiler DesignGitHub ActionsQASM