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eirikhaugstulen

PROFILE

Eirikhaugstulen

Eirik Haugstulen enhanced analytics workflows across the dhis2-chap/chap-core and dhis2/ui repositories by delivering four new features focused on reliability and maintainability. He expanded the backtest API to support data-backed creation, batch deletion, and robust input validation, using Python and FastAPI to ensure safe and predictable operations. Eirik improved job management with advanced filtering, lifecycle protections, and a new cancellation flow, while refactoring backend code for clarity and maintainability. On the frontend, he extended the SplitButton component in React to allow external state control, providing new props and documentation. His work emphasized data validation, integration testing, and streamlined developer experience.

Overall Statistics

Feature vs Bugs

86%Features

Repository Contributions

18Total
Bugs
1
Commits
18
Features
6
Lines of code
845
Activity Months3

Your Network

37 people

Work History

January 2026

2 Commits • 1 Features

Jan 1, 2026

Monthly performance summary for 2026-01 focused on documentation improvements for Chap Modeling Platform in chap-core. Delivered targeted navigation enhancements and cleaned up doc references to improve reliability and discoverability.

October 2025

1 Commits • 1 Features

Oct 1, 2025

October 2025 focused on delivering a performance-oriented chart rendering enhancement in chap-core, with a targeted fix to remove an interactive parameter that slowed plotting. The change streamlined the plotting process and improved rendering efficiency for dashboard charts, aligning with product goals for faster data visualization across user workflows.

May 2025

15 Commits • 4 Features

May 1, 2025

Monthly summary for 2025-05: Delivered major feature enhancements, safety improvements, and quality-focused refactors across chap-core and UI, enabling more powerful backtesting, safer job lifecycle management, and easier integration for downstream consumers. Highlights include backtest API enhancements with data-backed creation, update with validation, batch deletion, and rigorous input handling; enhanced job management with robust filtering, protection against deleting running jobs, and a new cancellation workflow; backend code quality improvements and refactors to simplify interfaces, improve dataset handling, and boost maintainability; and UI enhancements adding external state control to the SplitButton with accompanying docs and type definitions. Overall, these changes reduce risk, accelerate development, and deliver measurable business value through reliable analytics workflows and a better developer/partner experience.

Activity

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Quality Metrics

Correctness92.4%
Maintainability90.6%
Architecture86.8%
Performance86.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaScriptPythonTypeScriptYAML

Technical Skills

API DevelopmentAPI TestingBackend DevelopmentBacktestingCeleryCode CleanupCode FormattingComponent DevelopmentData EngineeringData ModelingData ValidationDatabase ManagementDatabase OperationsError HandlingFastAPI

Repositories Contributed To

2 repos

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

dhis2-chap/chap-core

May 2025 Jan 2026
3 Months active

Languages Used

PythonYAML

Technical Skills

API DevelopmentAPI TestingBackend DevelopmentBacktestingCeleryCode Cleanup

dhis2/ui

May 2025 May 2025
1 Month active

Languages Used

JavaScriptTypeScript

Technical Skills

Component DevelopmentFront-end DevelopmentReactUI/UX