cisagov/XFD
Oct 2024 – Jan 2026
15 Months active
Languages Used
JavaScriptHTMLReactTypeScriptPythonShellCSSDjango
Technical Skills
CachingExpress.jsFrontend DevelopmentNode.jsAPI DevelopmentAPI Integration
Thomas
PROFILE
Thomas
Thomas Johnson engineered robust vulnerability management and analytics features for the cisagov/XFD repository, focusing on scalable UI/UX, secure data handling, and maintainable code. Over 15 months, he delivered end-to-end solutions using React, TypeScript, and Django, modernizing the build system with Vite and enhancing CI/CD pipelines. His work included advanced filtering, access control, and accessibility improvements, as well as backend API integrations and data visualization components. By refining test coverage and enforcing code quality through ESLint and automated testing, Thomas ensured reliable deployments and streamlined analyst workflows. His contributions addressed both technical depth and business value across the application.
Overall Statistics
Feature vs Bugs
70%Features
Repository Contributions
497Total
Bugs
67
Commits
497
Features
153
Lines of code
165,170
Activity Months15
Your Network
24 peopleSame Organization
@associates.cisa.dhs.gov9
Shared Repositories
15
Work History
January 2026
46 Commits • 14 Features
Jan 1, 2026CISAGOV/XFD — 2026-01 Monthly Summary focusing on delivering features with admin visibility controls, stabilizing tests, and strengthening the codebase to support safer deployments and higher business value. Key features delivered: - Org Members page: conditional Remove column hidden for non-admins; updated admin/regional admin tests and unit tests to reflect visibility rules. - Test suite updates and coverage: revised test descriptions and snapshots; adjusted test coverage thresholds. - CI/CD and development experience improvements: CI cache key updated to v3; Vite config refinements for better hot module replacement and testing integration. - Express and tooling modernization: upgraded Express to 5.2.1 with codemods; installed @typescript-eslint/parser to support TypeScript linting in frontend. - Unit tests and test utilities expansion: baseline Logs.tsx tests, payload display tests, and mocks/utilities (mockIps, mockDomains) to support robust unit testing. Major bugs fixed: - Code quality fixes: resolved linting errors and a variable name typo. - Dependency hygiene: synchronized and updated package-lock.json and frontend lockfiles to resolve drift. - Maintenance cleanups: corrected AdminTools directory typo; updated coverage thresholds post-merge; codebase cleanup (removing deprecated components like TaggedInput) and test snapshot alignment. Overall impact and accomplishments: - Safer, faster deployments with reduced risk due to dependency synchronization and CI/config improvements. - Clearer permission semantics on Org Members page reduce misuse and improve security posture. - Higher confidence in release readiness via improved test coverage, snapshots, and documentation in tests. - Stronger developer experience through tooling upgrades, linting enforcement, and streamlined build/test feedback loops. Technologies/skills demonstrated: - React + TypeScript frontend, test-driven development with unit tests and snapshots, and test utilities mocks (mockIps/mockDomains). - Express ecosystem modernization and code transformations (codemods). - CI/CD optimizations (GitHub Actions cache keys, Vite HMR tuning) and Vitest/Jest-like test orchestration. - Code quality practices: ESLint/type linting, typo fixes, code cleanup, and refactoring.
46 Commits • 14 Features
Jan 1, 2026CISAGOV/XFD — 2026-01 Monthly Summary focusing on delivering features with admin visibility controls, stabilizing tests, and strengthening the codebase to support safer deployments and higher business value. Key features delivered: - Org Members page: conditional Remove column hidden for non-admins; updated admin/regional admin tests and unit tests to reflect visibility rules. - Test suite updates and coverage: revised test descriptions and snapshots; adjusted test coverage thresholds. - CI/CD and development experience improvements: CI cache key updated to v3; Vite config refinements for better hot module replacement and testing integration. - Express and tooling modernization: upgraded Express to 5.2.1 with codemods; installed @typescript-eslint/parser to support TypeScript linting in frontend. - Unit tests and test utilities expansion: baseline Logs.tsx tests, payload display tests, and mocks/utilities (mockIps, mockDomains) to support robust unit testing. Major bugs fixed: - Code quality fixes: resolved linting errors and a variable name typo. - Dependency hygiene: synchronized and updated package-lock.json and frontend lockfiles to resolve drift. - Maintenance cleanups: corrected AdminTools directory typo; updated coverage thresholds post-merge; codebase cleanup (removing deprecated components like TaggedInput) and test snapshot alignment. Overall impact and accomplishments: - Safer, faster deployments with reduced risk due to dependency synchronization and CI/config improvements. - Clearer permission semantics on Org Members page reduce misuse and improve security posture. - Higher confidence in release readiness via improved test coverage, snapshots, and documentation in tests. - Stronger developer experience through tooling upgrades, linting enforcement, and streamlined build/test feedback loops. Technologies/skills demonstrated: - React + TypeScript frontend, test-driven development with unit tests and snapshots, and test utilities mocks (mockIps/mockDomains). - Express ecosystem modernization and code transformations (codemods). - CI/CD optimizations (GitHub Actions cache keys, Vite HMR tuning) and Vitest/Jest-like test orchestration. - Code quality practices: ESLint/type linting, typo fixes, code cleanup, and refactoring.
January 2026
December 2025
52 Commits • 25 Features
Dec 1, 2025December 2025 monthly highlights for cisagov/XFD focused on strengthening data access governance, multi-organization support, and UI/test reliability while accelerating business value delivery. Key results include security-conscious Save Search features, enhanced domain/IP search capabilities, stricter KEV/ransomware data handling, and accessibility improvements that improve admin UX and compliance.
December 2025
52 Commits • 25 Features
Dec 1, 2025December 2025 monthly highlights for cisagov/XFD focused on strengthening data access governance, multi-organization support, and UI/test reliability while accelerating business value delivery. Key results include security-conscious Save Search features, enhanced domain/IP search capabilities, stricter KEV/ransomware data handling, and accessibility improvements that improve admin UX and compliance.
November 2025
67 Commits • 18 Features
Nov 1, 20252025-11 monthly summary for cisagov/XFD focusing on delivering business value through UI consistency, robust filtering a11y, and a solid testing/security baseline. Highlights include global UI styling improvements, boolean filtering refinements, expanded test coverage, security and dependency hygiene, and UX/dev-experience enhancements.
67 Commits • 18 Features
Nov 1, 20252025-11 monthly summary for cisagov/XFD focusing on delivering business value through UI consistency, robust filtering a11y, and a solid testing/security baseline. Highlights include global UI styling improvements, boolean filtering refinements, expanded test coverage, security and dependency hygiene, and UX/dev-experience enhancements.
November 2025
October 2025
4 Commits • 2 Features
Oct 1, 2025October 2025 focused on enhancing approval workflows and form reliability in cisagov/XFD. Key features delivered include User Approval Status Dialog Enhancements and Admin Approval Dialog Improvements, delivering clearer messaging and faster navigation paths for admins. A bug fix was completed for Autocomplete Dropdown Behavior in region and organization fields by relying on MUI Autocomplete defaults and removing redundant state logic, improving reliability and user experience. Additional code hygiene improvements were performed, including removing commented-out code and targeted refactors. The combined impact reduces user confusion, accelerates admin workflows, and improves data entry reliability, delivering tangible business value with higher-quality UI and maintainability.
October 2025
4 Commits • 2 Features
Oct 1, 2025October 2025 focused on enhancing approval workflows and form reliability in cisagov/XFD. Key features delivered include User Approval Status Dialog Enhancements and Admin Approval Dialog Improvements, delivering clearer messaging and faster navigation paths for admins. A bug fix was completed for Autocomplete Dropdown Behavior in region and organization fields by relying on MUI Autocomplete defaults and removing redundant state logic, improving reliability and user experience. Additional code hygiene improvements were performed, including removing commented-out code and targeted refactors. The combined impact reduces user confusion, accelerates admin workflows, and improves data entry reliability, delivering tangible business value with higher-quality UI and maintainability.
September 2025
19 Commits • 7 Features
Sep 1, 2025September 2025—Delivered key frontend improvements for cisagov/XFD that strengthen security analytics, admin UX, and dashboard reliability. Focus areas included CVE visibility, dynamic theming, region-based permissions, and UI stability across dashboards.
19 Commits • 7 Features
Sep 1, 2025September 2025—Delivered key frontend improvements for cisagov/XFD that strengthen security analytics, admin UX, and dashboard reliability. Focus areas included CVE visibility, dynamic theming, region-based permissions, and UI stability across dashboards.
September 2025
August 2025
46 Commits • 14 Features
Aug 1, 2025Month: 2025-08 — Concise monthly summary focused on delivering business value and technical milestones for cisagov/XFD. The team concentrated on accessibility, modernization, and UX improvements while establishing a solid project foundation and improving code quality. Key outcomes include enhanced accessibility with ARIA labels, runtime and deployment modernization, mobile UI enhancements, SSVC/vulnerabilities UI refinements, and ongoing code cleanup and testing updates that improve maintainability and developer velocity.
August 2025
46 Commits • 14 Features
Aug 1, 2025Month: 2025-08 — Concise monthly summary focused on delivering business value and technical milestones for cisagov/XFD. The team concentrated on accessibility, modernization, and UX improvements while establishing a solid project foundation and improving code quality. Key outcomes include enhanced accessibility with ARIA labels, runtime and deployment modernization, mobile UI enhancements, SSVC/vulnerabilities UI refinements, and ongoing code cleanup and testing updates that improve maintainability and developer velocity.
July 2025
38 Commits • 12 Features
Jul 1, 2025July 2025 monthly summary for cisagov/XFD. Focused on delivering a faster, more secure, and maintainable frontend experience while upgrading the underlying build and test tooling. Key work spanned migration to a modern build system, CI/CD modernization, and targeted UX enhancements that reduce friction for analysts and improve data presentation.
38 Commits • 12 Features
Jul 1, 2025July 2025 monthly summary for cisagov/XFD. Focused on delivering a faster, more secure, and maintainable frontend experience while upgrading the underlying build and test tooling. Key work spanned migration to a modern build system, CI/CD modernization, and targeted UX enhancements that reduce friction for analysts and improve data presentation.
July 2025
June 2025
53 Commits • 17 Features
Jun 1, 2025June 2025 performance summary for cisagov/XFD: Delivered substantial UI and data page improvements with a focus on filtering usability, data presentation, accessibility, and code quality. The work enhanced analyst efficiency, reduced misconfiguration risk, and improved alignment with design specs and accessibility standards. Demonstrated strengths in React/TypeScript UI work, test accuracy with snapshot updates, and robust front-end UX improvements that translate to clearer, faster user workflows and better business outcomes.
June 2025
53 Commits • 17 Features
Jun 1, 2025June 2025 performance summary for cisagov/XFD: Delivered substantial UI and data page improvements with a focus on filtering usability, data presentation, accessibility, and code quality. The work enhanced analyst efficiency, reduced misconfiguration risk, and improved alignment with design specs and accessibility standards. Demonstrated strengths in React/TypeScript UI work, test accuracy with snapshot updates, and robust front-end UX improvements that translate to clearer, faster user workflows and better business outcomes.
May 2025
26 Commits • 11 Features
May 1, 2025May 2025: Delivered a cohesive set of UI and backend improvements for cisagov/XFD, focusing on business value through reliable vulnerability visibility, consistent UI, and maintainability. Highlights include merging Widget Base Components into Detected-Hosts-Widget-CRASM-2499, stabilizing backend connectivity with a docker-compose network fix, and delivering vulnerability insights via the Vuln Scan Summary API and Vulnerability Scan Dashboard enhancements. Additional work modernized tooling, improved accessibility, and reinforced data visualization capabilities with GraphChip integration and Top5VulnerableHostsChart improvements. Core regressions addressed: transformVulnScanData restoration and default user state reconciliation. These efforts reduce mean time to remediation, improve developer velocity, and provide clearer risk signals for security teams.
26 Commits • 11 Features
May 1, 2025May 2025: Delivered a cohesive set of UI and backend improvements for cisagov/XFD, focusing on business value through reliable vulnerability visibility, consistent UI, and maintainability. Highlights include merging Widget Base Components into Detected-Hosts-Widget-CRASM-2499, stabilizing backend connectivity with a docker-compose network fix, and delivering vulnerability insights via the Vuln Scan Summary API and Vulnerability Scan Dashboard enhancements. Additional work modernized tooling, improved accessibility, and reinforced data visualization capabilities with GraphChip integration and Top5VulnerableHostsChart improvements. Core regressions addressed: transformVulnScanData restoration and default user state reconciliation. These efforts reduce mean time to remediation, improve developer velocity, and provide clearer risk signals for security teams.
May 2025
April 2025
26 Commits • 4 Features
Apr 1, 2025April 2025 (Month: 2025-04) delivered a comprehensive UI/UX refresh and vulnerability tooling enhancements for cisagov/XFD. Major work included Theme and Header UI Revamp with Theme Context MVP+, Vulnerability Title/Scan Layout Improvements, Vulnerability Scan UI Modernization with MUI v7 migration, and new analytics components (Scan Summary and Top5VulnerableHostsChart). Additional stability and test improvements included UI cleanup (disabling non CVE/CWE links, removing console logs, hiding status dropdown) and updated layout snapshots. These changes improve time-to-insight for vulnerability triage, consistency across the app, and reduce maintenance effort.
April 2025
26 Commits • 4 Features
Apr 1, 2025April 2025 (Month: 2025-04) delivered a comprehensive UI/UX refresh and vulnerability tooling enhancements for cisagov/XFD. Major work included Theme and Header UI Revamp with Theme Context MVP+, Vulnerability Title/Scan Layout Improvements, Vulnerability Scan UI Modernization with MUI v7 migration, and new analytics components (Scan Summary and Top5VulnerableHostsChart). Additional stability and test improvements included UI cleanup (disabling non CVE/CWE links, removing console logs, hiding status dropdown) and updated layout snapshots. These changes improve time-to-insight for vulnerability triage, consistency across the app, and reduce maintenance effort.
March 2025
24 Commits • 9 Features
Mar 1, 2025March 2025 — Delivered substantial front-end and API robustness improvements for cisagov/XFD, focusing on error visibility, API consistency, UI polish, and filtering enhancements. The work directly improved reliability, search accuracy, and user experience while enabling easier maintenance and future enhancements.
24 Commits • 9 Features
Mar 1, 2025March 2025 — Delivered substantial front-end and API robustness improvements for cisagov/XFD, focusing on error visibility, API consistency, UI polish, and filtering enhancements. The work directly improved reliability, search accuracy, and user experience while enabling easier maintenance and future enhancements.
March 2025
February 2025
19 Commits • 5 Features
Feb 1, 2025February 2025 performance summary for cisagov/XFD focusing on delivering user-centric vulnerability management features, improving data reliability, and enabling production readiness. The month included UI enhancements, UX improvements for filters, resilience improvements for API interactions, and deployment/versioning updates that align with ongoing product goals and QA readiness.
February 2025
19 Commits • 5 Features
Feb 1, 2025February 2025 performance summary for cisagov/XFD focusing on delivering user-centric vulnerability management features, improving data reliability, and enabling production readiness. The month included UI enhancements, UX improvements for filters, resilience improvements for API interactions, and deployment/versioning updates that align with ongoing product goals and QA readiness.
January 2025
44 Commits • 11 Features
Jan 1, 2025Monthly summary for 2025-01 for cisagov/XFD focusing on business value and technical achievements. Delivered a suite of data-model and UX improvements, robust security and stability updates, and targeted enhancements to search/filters that improve triage, risk assessment, and global-view collaboration. The work emphasizes accuracy, performance, and maintainability with concrete commit-backed changes.
44 Commits • 11 Features
Jan 1, 2025Monthly summary for 2025-01 for cisagov/XFD focusing on business value and technical achievements. Delivered a suite of data-model and UX improvements, robust security and stability updates, and targeted enhancements to search/filters that improve triage, risk assessment, and global-view collaboration. The work emphasizes accuracy, performance, and maintainability with concrete commit-backed changes.
January 2025
December 2024
31 Commits • 4 Features
Dec 1, 2024December 2024 highlights for cisagov/XFD focused on improving the data filtering experience, tightening severity visibility, and strengthening code quality. Key outcomes include more intuitive filter chips, accurate and deterministic filter tagging, refined severity UI, and maintained reliability through code cleanup, tests, and stabilized domain severity configurations. Business value delivered includes faster, more accurate data discovery for analysts, improved user experience for risk assessment, and a cleaner, more maintainable codebase.
December 2024
31 Commits • 4 Features
Dec 1, 2024December 2024 highlights for cisagov/XFD focused on improving the data filtering experience, tightening severity visibility, and strengthening code quality. Key outcomes include more intuitive filter chips, accurate and deterministic filter tagging, refined severity UI, and maintained reliability through code cleanup, tests, and stabilized domain severity configurations. Business value delivered includes faster, more accurate data discovery for analysts, improved user experience for risk assessment, and a cleaner, more maintainable codebase.
October 2024
2 Commits
Oct 1, 2024October 2024 summary for cisagov/XFD: Stabilized static asset delivery and caching to prevent stale assets and ensure correct content types. Delivered precise HTTP headers and cache policies, resulting in more reliable deployments and user experiences. Key changes include correct Content-Type for JavaScript assets, proper serving of index.html as text/html, and explicit cache-control headers for static assets, plus cache-busting adjustments on the frontend to fetch updated assets after deployments. Implemented via two commits: 2636fda021371a29af1c75a358d3907fe21ed91f (Edited express headers in api.js) and 8f8506666e1631a4ebd0837ae5e5038d1ae37dcc (Changed cache-control policy to no-cache).
2 Commits
Oct 1, 2024October 2024 summary for cisagov/XFD: Stabilized static asset delivery and caching to prevent stale assets and ensure correct content types. Delivered precise HTTP headers and cache policies, resulting in more reliable deployments and user experiences. Key changes include correct Content-Type for JavaScript assets, proper serving of index.html as text/html, and explicit cache-control headers for static assets, plus cache-busting adjustments on the frontend to fetch updated assets after deployments. Implemented via two commits: 2636fda021371a29af1c75a358d3907fe21ed91f (Edited express headers in api.js) and 8f8506666e1631a4ebd0837ae5e5038d1ae37dcc (Changed cache-control policy to no-cache).
October 2024
Activity
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Quality Metrics
Correctness93.0%
Maintainability91.6%
Architecture88.6%
Performance89.2%
AI Usage20.4%
Skills & Technologies
Programming Languages
CSSDjangoDockerfileHTMLJSONJavaScriptMarkdownNginxNginx configurationPython
Technical Skills
API DesignAPI DevelopmentAPI IntegrationAPI SecurityAPI TestingAPI developmentAccess ControlAccessibilityBackend DevelopmentBuild ToolsCI/CDCSSCSS ModulesCSS-in-JSCaching
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline