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Tom Caiger

PROFILE

Tom Caiger

Over 18 months, this developer delivered robust features and critical fixes across the beyondessential/tupaia and beyondessential/tamanu repositories, focusing on healthcare data integrity, user experience, and operational efficiency. They engineered end-to-end invoicing workflows, dynamic pricing, and insurance plan integrations, while enhancing authentication, localization, and offline capabilities. Their technical approach combined backend API development, database design, and frontend UI/UX refinement using JavaScript, TypeScript, React, and Node.js. They improved mobile responsiveness, implemented secure authentication with Argon2id, and streamlined CI/CD processes. Their work emphasized maintainable code, rigorous testing, and scalable architecture, resulting in reliable, user-friendly systems supporting complex clinical and administrative workflows.

Overall Statistics

Feature vs Bugs

73%Features

Repository Contributions

145Total
Bugs
18
Commits
145
Features
49
Lines of code
807,101
Activity Months18

Work History

March 2026

7 Commits • 5 Features

Mar 1, 2026

Monthly work summary for 2026-03 across beyondessential/tupaia and beyondessential/tamanu focused on developer experience, data integrity, and invoicing accuracy. Key features and fixes delivered include CLADE Documentation Improvements, Review Hero Integration Setup, User-Friendly Password Reset, Map Overlay PNG Export, and Survey Import Data Integrity. In Tamanu, invoicing system enhancements added support for multiple insurance plans per patient, auto-population of plans on invoices, improved invoice printouts, and a new refund schema, along with validation improvements for invoice item rows and discharge-related orders. These changes enhance developer onboarding, PR quality and automation, user experience, and financial data reliability, supported by CI workflows, tests, and architectural improvements. Technologies/skills demonstrated include JavaScript/TypeScript, React UI work, SQL/DBT, and CI/CD workflows.

February 2026

13 Commits • 2 Features

Feb 1, 2026

February 2026: Delivered substantial invoicing enhancements and new Display ID QR scanning in beyondessential/tamanu. Focused on UI/UX improvements, robust data handling, and performance gains across invoicing workflows to reduce manual errors and accelerate processing. Completed critical price-list and lab/invoicing settings updates, added feature flags for pending imaging/lab requests, and established a scalable foundation for future invoicing improvements. Shipped a ZXing-based QR code reader for Display IDs with validation and tight UI integration.

January 2026

7 Commits • 1 Features

Jan 1, 2026

January 2026 monthly summary for beyondessential/tamanu: Delivered end‑to‑end invoicing enhancements and token handling cleanup. The focus was on business value, reducing manual work, accelerating cash flow, and strengthening auditability. Key work included automatic invoice creation at dispensing time, a robust discount framework with UI for discounts, inline editing and improved item management, a polished invoice creation flow, a revamped payments UI, and improved access log accuracy via token handling cleanup.

December 2025

10 Commits • 3 Features

Dec 1, 2025

December 2025 performance: Delivered end-to-end enhancements to the tamanu invoicing workflow, including backend and frontend finalisation of invoice fields, product codes, and final prices; removed manual discounts; and updated tests/docs. Shipped UI and API improvements to streamline invoicing, including a new endpoint for insurance plan items and comprehensive UI refinements for invoices and item forms. Implemented pricing rule tuning to address exclusionary logic and ensure pricing consistency, with broad test coverage updates to improve reliability. The work reduces manual intervention, minimizes pricing errors, and accelerates effective invoicing in production.

November 2025

17 Commits • 5 Features

Nov 1, 2025

November 2025: Implemented end-to-end invoicing module enhancements in Tamanu, delivering pricing accuracy, insurance plan handling, UI improvements, and maintainability gains that reduce manual effort and improve data integrity. The work directly supports faster, more reliable billing and better customer experience.

October 2025

2 Commits • 1 Features

Oct 1, 2025

October 2025 — Focused on data clarity and dependency hygiene in tamanu. Summary: Improved survey analytics by clarifying missing responses and ensured consistent builds across environments through lockfile maintenance.

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025 focused on delivering substantial improvements to the Procedure Module in tamanu, driving data integrity and operational efficiency for clinical workflows. Key work includes a major refactor of the procedure data model to support linking surveys to procedure types, managing assistant clinicians, and tracking procedure-specific survey responses. Also delivered improved import/export workflows for related data to streamline data movement and reporting across the system.

August 2025

8 Commits • 4 Features

Aug 1, 2025

In August 2025, delivered robust authentication and session management improvements across two core repositories, strengthened security posture, and enhanced deployment stability. Focused on seamless API access, secure password hashing, and maintainable code while reducing operational risk and downtime.

July 2025

2 Commits

Jul 1, 2025

July 2025: Implemented critical bug fixes to settings propagation in document generation (patient letters and PDF certificates) for beyondessential/tamanu. Ensured settings are correctly constructed and applied when provided as an object, enabling accurate, personalized communications and feature-flag-driven certificate rendering. These changes improve reliability, reduce misconfiguration risk, and enhance end-user experiences.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for beyondessential/tupaia: Focused on delivering mobile-first Task Management enhancements within the Datatrak platform. Delivered a new mobile task view, refined filtering and sorting for tasks, and updates to UI components to improve mobile responsiveness, accessibility, and overall user experience. No major bugs fixed this month for this repository; emphasis was on feature delivery, code quality, and performance on mobile devices. This work supports business goals of increasing mobile productivity and user satisfaction.

May 2025

18 Commits • 6 Features

May 1, 2025

May 2025 performance summary for beyondessential repositories. Delivered governance, data integrity, and onboarding improvements across tamanu and tupaia. Key work focused on soft deletion and deactivation of patient program registrations with preserved history, enhanced audit/history capabilities, UI/UX refinements for program registry history, mobile data sync reliability and migrations, and an improved DataTrak onboarding experience.

April 2025

8 Commits • 3 Features

Apr 1, 2025

Month: 2025-04 — Focused on stabilizing core data ecosystems in Tamanu and enabling offline-capable web experiences in Tupaia, delivering targeted features, critical bug fixes, and improvements with clear business value. Key outcomes include improved data integrity for program registries, better localization, and offline-ready web capabilities, supporting more reliable decision-making and enhanced user experience for program managers and clinicians.

March 2025

26 Commits • 8 Features

Mar 1, 2025

March 2025 monthly summary focusing on delivering business value through localization, API robustness, UI enhancements, and resilience improvements across Tamanu and Tupaia. Key outcomes include extensive Program Registry translations and localization updates, API/import hardening, UI modal improvements, and offline/access-control enhancements that reduce downtime and improve global reach.

February 2025

11 Commits • 4 Features

Feb 1, 2025

February 2025 monthly summary focused on delivering mobile-first UX improvements, data integrity safeguards, and enhanced program registry capabilities across beyondessential/tupaia and beyondessential/tamanu. The work drove tangible business value by improving data accuracy, reducing error-prone submissions, and enabling better reporting for registry-driven programs.

January 2025

3 Commits • 1 Features

Jan 1, 2025

January 2025: Focused on developer tooling improvements and a targeted admin panel correctness fix in beyondessential/tupaia. Delivered Storybook-based component development support (including a SurveyQuestion example) and reorganized TaskMetrics into a feature-specific structure to improve maintainability. Also fixed MatrixVizBuilderConfigSchema column validation in Admin Matrix Preview by allowing columns to be an array of strings or objects and updating TypeScript typings.

December 2024

1 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary for the beyondessential/tupaia repository. Key feature delivered: Matrix Visualization with Entity linking in the Matrix table, enabling direct navigation to entity details from matrix cells and allowing columns/rows to be configured as entity links. This required coordinated updates to data parsing, schema validation, and UI components to support the new linking functionality. Implemented in the commit 5917f657f3e942d20f86fa33d7a300c6b2432bd1 (RN-1356) as part of work referenced by #5919.

November 2024

9 Commits • 3 Features

Nov 1, 2024

November 2024: Implemented key features and fixes in beyondessential/tupaia to improve data integrity, usability, and security. Highlights include: standardizing export formats and JSON data table export across admin exports; making DataTable sort order external settings-driven; broad UI/UX refinements across admin and mobile UIs; and introducing login rate limiting with proper IP forwarding and failure logging. These changes deliver consistent exports, configurable data presentation, enhanced user experience, and stronger defense against brute-force login attempts, driving operational efficiency and business value.

October 2024

1 Commits

Oct 1, 2024

October 2024 monthly summary for beyondessential/tupaia: Completed a critical bug fix to numeric parsing for arithmetic visuals by adding 'Arithmetic' as a valid sanitization type, ensuring values are parsed as numbers and preventing display errors in dashboards. This improves data reliability and user experience for arithmetic visualizations across dashboards. The work aligns with RN-1512 and is tracked under the commit referenced below.

Activity

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Quality Metrics

Correctness86.0%
Maintainability83.6%
Architecture81.2%
Performance81.0%
AI Usage29.2%

Skills & Technologies

Programming Languages

CSSHTMLJSONJSXJavaScriptMarkdownReactSQLSVGShell

Technical Skills

API DevelopmentAPI IntegrationAPI developmentAPI integrationAccess ControlAsset CachingAuthenticationBackend DevelopmentBug FixCI/CDCSS-in-JSCode OrganizationCode RefactoringComponent DevelopmentComponent Library Integration

Repositories Contributed To

2 repos

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

beyondessential/tamanu

Feb 2025 Mar 2026
13 Months active

Languages Used

JSXJavaScriptSQLTypeScriptCSSMarkdownShellJSON

Technical Skills

API DevelopmentBackend DevelopmentDatabase DesignDatabase ManagementDatabase QueryingForm Handling

beyondessential/tupaia

Oct 2024 Mar 2026
11 Months active

Languages Used

TypeScriptCSSJavaScriptSQLJSONHTMLSVGMarkdown

Technical Skills

Bug FixData HandlingTypeScriptAPI DevelopmentBackend DevelopmentDatabase Management