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Lowri Jenkins

PROFILE

Lowri Jenkins

Lowri Jenkins contributed to multiple ISISComputingGroup repositories, building and maintaining backend systems, device integrations, and user interfaces. In EPICS-ioc and ibex_gui, she developed hardware control features and improved configuration management, using Python and Java to enhance reliability and maintainability. Her work included refactoring build systems, implementing robust logging and error handling, and upgrading dependencies for security and compatibility. Jenkins automated CI/CD workflows with GitHub Actions and modernized codebases for Python 3.13 and Java 21. Through careful code quality improvements and cross-repository collaboration, she delivered scalable solutions that improved system stability, onboarding, and operational efficiency across embedded and control systems.

Overall Statistics

Feature vs Bugs

86%Features

Repository Contributions

57Total
Bugs
4
Commits
57
Features
24
Lines of code
1,135,919
Activity Months11

Work History

December 2025

2 Commits • 2 Features

Dec 1, 2025

Monthly summary for 2025-12 focusing on key accomplishments, business value, and technical achievements. Key features delivered: - ibex_gui: Refactored the inner class mockSelectionListener to be static, reducing memory usage and improving encapsulation (commit f9c3c32db2bacfe7043505e80d75937bc24600d1). - ibex_utils: Updated GitHub Actions workflow to Python 3.13, improving compatibility with latest features and security updates (commit 8771d0fd9c8d41eed03317949da65959d587f2be). Major bugs fixed: - No major bugs fixed this month; efforts focused on quality improvements and CI readiness. Overall impact and accomplishments: - Improved memory efficiency in GUI component, supporting better scalability and test performance. - CI/CD reliability enhanced by adopting Python 3.13, enabling faster feedback and reducing drift. - Demonstrated cross-repo quality improvements and adherence to modern tooling practices. Technologies/skills demonstrated: - Java memory optimization patterns (static inner class) and encapsulation. - Code quality engineering and refactoring practices. - CI/CD configuration and Python version management in GitHub Actions. - Clear change tracing via commit references.

November 2025

4 Commits • 4 Features

Nov 1, 2025

Month 2025-11: Modernization and automation across three repositories to improve compatibility, security, and developer productivity. The month focused on tooling and platform upgrades, with automation enhancements and security posture improvements.

October 2025

10 Commits • 1 Features

Oct 1, 2025

For 2025-10, ibex_gui delivered a focused maintenance sprint aimed at hardening security, stability, and compatibility through comprehensive dependency upgrades and targeted deprecation fixes. Upgraded core libraries across Gson, Guava, Commons Codec, Jakarta Mail, Joda-Time, Log4j, JAXB, Mockito, and Nebula, and replaced a deprecated Eclipse TyperListener to mitigate future runtime issues. These changes enhance security posture, improve performance and build reliability, and align the codebase with current and upcoming platform versions.

September 2025

2 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary for ISISComputingGroup/EPICS-ioc. Focused on build system cleanup and correctness improvements. Key features delivered include the removal of an obsolete module from the build configuration and a targeted bug fix to improve default value handling. This work reduces maintenance burden, shortens build times, and improves reliability for IOC configurations used in production deployments.

July 2025

1 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for ISISComputingGroup/EPICS-ioc: Implemented Passive EPICS SNMP polling configuration to improve outlet status handling. Tuned polling parameters PassivePollMSec=2000ms and SetSkipReadbackMSec=8000ms for the LNDYISW IOC, improving reliability of outlet status updates via SNMP polling. Leveraged epics-snmp passivepoll in the IOC configuration. Commit: 2255bacc1d32101ec6efde2b35378c920ac3f0dc. Overall impact: more reliable monitoring, reduced missed updates, enabling more stable automation. Technologies/skills: EPICS IOC configuration, SNMP polling, EPICS-snmp, performance tuning, version control.

May 2025

17 Commits • 6 Features

May 1, 2025

May 2025 performance overview across ISISComputingGroup EPICS-ioc, ibex_gui, and genie. Delivered key features to enhance data reliability, UI feedback, messaging stability, and maintainability, with a strong emphasis on business value and technical robustness.

February 2025

6 Commits • 2 Features

Feb 1, 2025

February 2025 monthly summary for ISISComputingGroup repositories, focusing on delivering business-value features and stability improvements across EPICS-ioc and ibex_gui. Key features delivered include an IOC State Machine Initialization Framework enabling startup with PV prefix and IOC name, and DDS Stress Rig library support in the build to enable stress testing of DDS-based IOCs. Notable stability fixes: startup/loading initialization fix by including start_or_load.dbd, and PV prefix correction in st-common.cmd to ensure reliable PV communication. GUI reliability improved with a bug fix to trigger the Tensile Stress Rig statemachine, improving operator interaction with the control system.

January 2025

10 Commits • 2 Features

Jan 1, 2025

January 2025 focused on robust logging, consistent file naming, and improved organization of log artifacts in the ibex_bluesky_core module. The changes enhance traceability, debugging efficiency, and onboarding for new contributors, setting a scalable foundation for file-based data capture across the Bluesky integration.

December 2024

2 Commits • 2 Features

Dec 1, 2024

December 2024 performance summary for core EPICS/HMI development: - Delivered two critical hardware-control enhancements that advance automated operation, safety, and operator efficiency across IOCs and GUIs. - Demonstrated end-to-end capability from device integration to operator control interfaces, with clear commit traceability for future audits and maintenance.

November 2024

2 Commits • 2 Features

Nov 1, 2024

Monthly summary for 2024-11 focusing on delivering foundational configuration improvements and UI groundwork across two repositories, with measurable impact on maintainability and future feature delivery.

October 2024

1 Commits • 1 Features

Oct 1, 2024

In Oct 2024, focused on code quality improvements for the genie repository (ISISComputingGroup/genie). Delivered a code formatting cleanup for genie_p4p_wrapper.py using Ruff format, removing an extraneous blank line; no functional changes. This work establishes consistency with project style, reduces potential review churn, and prepares the codebase for upcoming linting and refactor efforts. The change was committed as 1a497ec0da166fbb428b1db5a7a001dd2fae5c58, supporting maintainability and stable collaboration.

Activity

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Quality Metrics

Correctness91.0%
Maintainability92.4%
Architecture89.0%
Performance88.0%
AI Usage21.0%

Skills & Technologies

Programming Languages

BatchCC++CMDEPICSJavaMakefileManifestMarkdownPython

Technical Skills

API DesignAPI DevelopmentBackend DevelopmentBuild AutomationBuild System ManagementBuild SystemsCallback DevelopmentCallback ImplementationCallback SystemsCode FormattingCode LintingCode RefactoringCodebase MaintenanceConfigurationConfiguration Management

Repositories Contributed To

5 repos

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

ISISComputingGroup/ibex_gui

Nov 2024 Dec 2025
7 Months active

Languages Used

XMLManifestJavaBatch

Technical Skills

GUI DevelopmentOPI DevelopmentControl SystemsOPI ConfigurationData VisualizationDependency Management

ISISComputingGroup/genie

Oct 2024 May 2025
2 Months active

Languages Used

PythonTOML

Technical Skills

Code FormattingAPI DesignAPI DevelopmentBackend DevelopmentCode LintingCode Refactoring

ISISComputingGroup/EPICS-ioc

Nov 2024 Sep 2025
6 Months active

Languages Used

CC++MakefileShellCMDcmdEPICS

Technical Skills

Configuration ManagementEmbedded SystemsDevice IntegrationEPICSMakefileBuild Systems

ISISComputingGroup/ibex_bluesky_core

Jan 2025 Nov 2025
2 Months active

Languages Used

MarkdownPython

Technical Skills

Backend DevelopmentCallback DevelopmentCallback ImplementationCallback SystemsCode FormattingCode Linting

ISISComputingGroup/ibex_utils

Nov 2025 Dec 2025
2 Months active

Languages Used

PythonYAML

Technical Skills

Database ManagementPython ScriptingDevOpsGitHub ActionsPython

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