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Dominic Oram

PROFILE

Dominic Oram

Dominic Oram developed and maintained advanced beamline automation and data acquisition systems across the DiamondLightSource/dodal and DiamondLightSource/mx-bluesky repositories. He engineered robust device integration and control workflows using Python, AsyncIO, and EPICS, focusing on modularity, testability, and operational safety. His work included implementing device factory patterns, enhancing robotic and detector control, and optimizing experiment monitoring and data processing pipelines. By refactoring core modules, modernizing test infrastructure, and improving configuration management, Dominic enabled faster feature delivery and reduced integration risk. His contributions demonstrated depth in backend development, scientific software engineering, and continuous integration, resulting in reliable, maintainable experimental platforms.

Overall Statistics

Feature vs Bugs

72%Features

Repository Contributions

198Total
Bugs
32
Commits
198
Features
81
Lines of code
21,389
Activity Months17

Work History

February 2026

3 Commits • 2 Features

Feb 1, 2026

February 2026 monthly summary: Delivered architectural improvements and test infrastructure enhancements that increase modularity, reliability, and speed of hardware integration for beamline devices. Key outcomes include adopting a device factory pattern for beamline and Aithre integrations in the DODAL repository, along with updates to path provider handling and tests to reflect factory-based instantiation and connection flow. In MX-Bluesky, the test suite was reworked to use a new build method for Aithre goniometer and robot devices, improving initialization and mock handling. These changes reduce coupling, cut integration risk, and enable faster, more deterministic feature delivery for hardware-backed workflows.

January 2026

10 Commits • 6 Features

Jan 1, 2026

Monthly summary for 2026-01 focused on delivering hardware-free testing capabilities, maintainable device integration, and more reliable development tooling. Key business value came from faster validation cycles, improved documentation accessibility, and a more predictable test suite across repos.

December 2025

6 Commits • 2 Features

Dec 1, 2025

December 2025: Focused delivery across device-management, data collection, and deployment stability for mx-bluesky, aligning with the new architecture while enhancing data integrity and experimental control. Implemented cryogenic hardware integration upgrades and robust data-tracking features, and stabilized deployments by reverting a Docker image compatibility issue.

November 2025

20 Commits • 7 Features

Nov 1, 2025

November 2025 performance summary: Delivered robust experimental workflows and precision beam control enhancements across mx-bluesky and dodal, with a strong focus on safety, reliability, and maintainability. Key work includes safe default hutch shutter behavior and recovery paths for missing diffraction, transfocator integration with refined energy handling for XRC, thawer control simplification for immediate state changes, fast grid scan reliability with asynchronous parameter application, and comprehensive internal maintenance to improve test performance and dependency hygiene. These changes reduce failure modes, accelerate experiments, and improve reproducibility and observability across the stack.

October 2025

17 Commits • 3 Features

Oct 1, 2025

October 2025: Consolidated delivery across DiamondLightSource/mx-bluesky and DiamondLightSource/dodal with a focus on user guidance, Bluesky ecosystem compatibility, hardware reliability, and new beamline capabilities. The month delivered concrete features, reliability improvements, and safety enhancements that reduce operational risk while enabling broader adoption of the platforms.

September 2025

8 Commits • 5 Features

Sep 1, 2025

September 2025 delivered targeted enhancements in experiment monitoring, thawing optimization, motor control reliability, test infrastructure, and detector timeout management. Key features include a real-time alerting/heartbeat system for experiment monitoring, Murko-driven thaw planning, and improved deferred-move synchronization; major reliability fixes in test environments and motor control; configurable Odin stop timeout for Eiger detectors; and outlier rejection for Murko results to improve accuracy. These changes reduce downtime, improve data integrity, and enable faster, more reproducible experiments across the DiamondLightSource stack.

August 2025

11 Commits • 7 Features

Aug 1, 2025

August 2025 monthly summary focusing on business value and technical achievements across DiamondLightSource repositories. Key features delivered and fixes (highlights): - ZocaloResults: Introduced a new results_source parameter and adjusted result-waiting logic to ensure results come from the specified processing source (CPU or GPU), improving data integrity and pipeline reliability. - i03 beamline enhancements: Parking and moving capabilities added for aperture scatterguard, collimation table, and scintillator, increasing operational flexibility, safety, and rapid response during maintenance. - Testing infrastructure improvements: Refactored ApertureScatterguard tests and introduced patch_all_motors to simplify multi-motor patching, boosting test clarity, stability, and maintainability. - Mirror stripe optimization: Only perform stripe adjustments when actually needed, reducing unnecessary movements, saving time, and lowering wear on actuators. - Grid detection robustness: Prioritized rotating to the nearest grid angle and refined omega handling to reduce extraneous motions and improve robustness. Major bug fixed: - DCM perp offset update now occurs only when outside tolerance, preventing unnecessary adjustments for heat management and improving stability. Overall impact and accomplishments: - Strengthened data integrity and reliability of critical measurement pipelines. - Increased safety and flexibility in beamline operations and maintenance workflows. - Reduced test maintenance overhead and accelerated release readiness through improved test infrastructure. - Improved efficiency and equipment longevity via minimized unnecessary motions. Technologies/skills demonstrated: - Python-based device control and configuration management. - Advanced testing patterns, test fixtures, and test infrastructure improvements. - Dependency maintenance and code health improvements in grid modules. - Proactive safety planning around UDC and default-state initialization.

July 2025

9 Commits • 3 Features

Jul 1, 2025

July 2025 monthly summary: Across DiamondLightSource repos, delivered data-traceable sample ID handling, improved processing timing and reliability, and maintained focus on maintainability. Key features include Zocalo sample_id retrieval and propagation into XRC results and data association in the XRC workflow; Omega value extrapolation for Murko callback on the i04 beamline; major bug fixes improving timeout handling on pin tip detection and ensuring UUID emission occurs after Redis writes. Additionally, reliability and compatibility updates modernized Python version requirements and standardized timeout handling, with cleanup of obsolete workflows. Windows timestamp tolerance improvements for ophyd-async tests further boosted cross-platform reliability. These changes enhance data traceability, end-to-end data integrity, and reduce operational maintenance risk.

June 2025

5 Commits • 3 Features

Jun 1, 2025

June 2025 monthly summary for Diamond Light Source software development. Focused on stabilizing developer experience, expanding autonomous robotic workflows, and enhancing observability across mx-bluesky and dodal repositories. Delivered environment reliability improvements, end-to-end robot load/unload automation with ISPyB logging, and richer robot state signals to support monitoring and troubleshooting.

May 2025

19 Commits • 9 Features

May 1, 2025

May 2025 monthly summary: Delivered foundational architectural improvements and feature enhancements across Bluesky/Ophyd-Async, Dodal, and MX-Bluesky, focusing on reliability, maintainability, and faster experiment turnover. Standardized 1D positioner usage, enabled deferred multi-axis moves, and improved detector deadtime reporting, while reorganizing logging and testing infrastructure to reduce noise and speed up CI. Upgraded dependencies to improve compatibility with NexGen and Bluesky stacks, removed legacy code to cut maintenance overhead, and aligned test suites with current tooling. These efforts collectively reduce experiment downtime, improve data fidelity, and provide a smoother upgrade path for future deployments.

April 2025

16 Commits • 5 Features

Apr 1, 2025

April 2025: Expanded beamline automation and robustness across mx-bluesky and dodal, delivering key features for I23 readiness, advanced parameter handling, and broader instrument integration, while stabilizing data capture and logging for reliable experiments.

March 2025

23 Commits • 9 Features

Mar 1, 2025

March 2025 focused on delivering business value through deployment reliability, data integrity, and orchestration across acquisition systems, while strengthening code quality and stability. Key outcomes include enhanced deployment docs, richer data persistence for Murko results, improved data loading workflows, coordinated data handover and finalization of depositions, and cross-repo stability improvements.

February 2025

20 Commits • 9 Features

Feb 1, 2025

February 2025 across DiamondLightSource/dodal and DiamondLightSource/mx-bluesky delivered architectural refactors, safety and robustness improvements, and security enhancements that increase reliability, throughput, and security, enabling more complex experiments and faster development cycles. Highlights include: - Apple2 Undulator core refactor with SafeUndulatorMover base class and faster tests; - Independent movement of aperture and scatterguard with async prepare and improved safety checks; - Strengthened BlueSky error handling and Eiger ROI disable wait; - Code quality improvements: FastGridScan refactor removing SignalR dependency and typing enhancements; - Redis credentials read from environment variables for secure, configurable test environments; - Test suite and CI/template improvements in mx-bluesky to improve onboarding and reliability.

January 2025

5 Commits • 2 Features

Jan 1, 2025

Month 2025-01 focused on stabilizing real-time setup and analysis paths, expanding GPU-accelerated processing, and hardening detector control flows across mx-bluesky and dodal. Delivered updates to ensure up-to-date motor positions are used for setup, corrected Zocalo callback lifecycle handling, and introduced GPU-enabled result processing with explicit configuration guards. Fixed detector stop/unstage race condition and added selective GPU result usage in ZocaloResults, improving robustness, data integrity, and performance for user workloads.

December 2024

1 Commits

Dec 1, 2024

December 2024 (DiamondLightSource/dodal) monthly summary emphasizing business value and technical achievements. A critical robustness improvement was implemented in beamline testing by correcting the array_data type to a general NumPy array (np.ndarray) instead of a specific unsigned 8-bit array (Array1D[np.uint8]). This aligns method signatures with actual data types and strengthens pin-tip detection reliability, reducing runtime type errors and debugging effort across the data acquisition workflow. The change, tracked under the commit with hash 2e4bd82110cdbdc70ba75e992b21265b18849d9b and message 'Fix type of array from beamline testing (#937)', enhances test coverage and long-term maintainability. Overall impact: more reliable beamline tests, fewer type-related defects, and smoother integration with downstream components.

November 2024

23 Commits • 8 Features

Nov 1, 2024

In 2024-11, the team delivered reliability, compatibility, and data workflow improvements across dodal and mx-bluesky, strengthening instrument initialization, automation, grid-scanning accuracy, and end-to-end processing while modernizing tooling and tests.

October 2024

2 Commits • 1 Features

Oct 1, 2024

October 2024 monthly work summary focusing on critical configuration cleanup and interoperability testing across two repos. Implemented a configuration cleanup in the dodal project to remove deprecated i04-1 beamline references, preventing non-existent configuration errors and aligning docs with available beamlines. Added a cross-library interoperability test in bluesky-ophyd-async to validate data reads with both ophyd-async and ophyd, addressing potential context race conditions and improving migration stability.

Activity

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Quality Metrics

Correctness90.0%
Maintainability87.4%
Architecture85.6%
Performance81.2%
AI Usage21.0%

Skills & Technologies

Programming Languages

DockerfileJSONJinjaMarkdownPythonRSTShellTOMLYAMLpytest

Technical Skills

API IntegrationAPI integrationAlerting SystemsAsync ProgrammingAsyncIOAsynchronous ProgrammingAsyncioAutomationBackend DevelopmentBeamline ConfigurationBeamline ControlBlueskyBuild ConfigurationCI/CDCLI Development

Repositories Contributed To

4 repos

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

DiamondLightSource/mx-bluesky

Nov 2024 Feb 2026
15 Months active

Languages Used

JinjaPythonShellTOMLYAMLpytestrstRST

Technical Skills

API IntegrationAsync ProgrammingBackend DevelopmentBeamline ControlConfiguration ManagementData Acquisition

DiamondLightSource/dodal

Oct 2024 Feb 2026
16 Months active

Languages Used

PythonrstMarkdownYAMLTOML

Technical Skills

Code RefactoringConfiguration ManagementDocumentation ManagementAsync ProgrammingAsynchronous ProgrammingBackend Development

bluesky/ophyd-async

Oct 2024 Jul 2025
3 Months active

Languages Used

Python

Technical Skills

ConcurrencyEPICSIntegration TestingTestingAsynchronous ProgrammingDetector Control

DiamondLightSource/blueapi

Mar 2025 Mar 2025
1 Month active

Languages Used

Markdown

Technical Skills

Documentation

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