
Gertjan contributed extensively to the NCI-Agency/anet repository, delivering robust features and critical bug fixes across backend and frontend systems. He engineered solutions for data integrity, search accuracy, and secure access control, such as refining attachment search to exclude inactive records and implementing advanced filtering for reporting workflows. Leveraging Java, TypeScript, and React, Gertjan modernized the codebase with GraphQL API enhancements, improved CI/CD reliability, and strengthened authentication and authorization flows. His work demonstrated a deep understanding of database query optimization, schema evolution, and UI/UX consistency, resulting in a more maintainable, scalable, and user-focused platform for enterprise operations.

November 2025 (2025-11): Focused on improving search accuracy and data integrity in NCI-Agency/anet. Delivered a targeted bug fix to ensure attachment search excludes INACTIVE attachments, resulting in more reliable results, reduced user confusion, and smoother workflows for teams managing project attachments.
November 2025 (2025-11): Focused on improving search accuracy and data integrity in NCI-Agency/anet. Delivered a targeted bug fix to ensure attachment search excludes INACTIVE attachments, resulting in more reliable results, reduced user confusion, and smoother workflows for teams managing project attachments.
October 2025—For NCI-Agency/anet, delivered tangible business value through improved communication workflows, safer data operations, and developer productivity gains. Highlights include a refreshed emailing workflow for reports with a reusable EmailModal, unified AppContext polling, and more deterministic subscription update computations, complemented by targeted quality and tooling improvements across the codebase.
October 2025—For NCI-Agency/anet, delivered tangible business value through improved communication workflows, safer data operations, and developer productivity gains. Highlights include a refreshed emailing workflow for reports with a reusable EmailModal, unified AppContext polling, and more deterministic subscription update computations, complemented by targeted quality and tooling improvements across the codebase.
September 2025 performance summary for NCI-Agency/anet: Delivered significant business-value features and reliability improvements across maps, authentication, data modeling, and the GraphQL stack. Key features include antimeridian map and clustering enhancements for accurate global geospatial rendering; optional HTTP Basic Auth for the NVG SOAP service; migration to Apollo Client v4; task inactivity propagation with server-side tests; GraphQL mutation support via API.mutation and improvements around top-level task behavior; and reporting enhancements to enable reportCommunities and propagation of subscription updates to reports and final approvals (AB#1444). Major fixes include stabilization of flaky WDIO tests and restoring Apollo Client v3 network behavior; handling of unrecognized pendingEmails; planning-conflicts visibility adjustments for cancelled reports; and event data loading optimization after changes. These efforts improved data integrity, developer productivity, CI reliability, and overall system resilience. Technologies demonstrated: Apollo Client v4, GraphQL APIs, WDIO, chai v6, Gradle 9, Jest transformIgnorePatterns, and robust data-model/DAO refinements.
September 2025 performance summary for NCI-Agency/anet: Delivered significant business-value features and reliability improvements across maps, authentication, data modeling, and the GraphQL stack. Key features include antimeridian map and clustering enhancements for accurate global geospatial rendering; optional HTTP Basic Auth for the NVG SOAP service; migration to Apollo Client v4; task inactivity propagation with server-side tests; GraphQL mutation support via API.mutation and improvements around top-level task behavior; and reporting enhancements to enable reportCommunities and propagation of subscription updates to reports and final approvals (AB#1444). Major fixes include stabilization of flaky WDIO tests and restoring Apollo Client v3 network behavior; handling of unrecognized pendingEmails; planning-conflicts visibility adjustments for cancelled reports; and event data loading optimization after changes. These efforts improved data integrity, developer productivity, CI reliability, and overall system resilience. Technologies demonstrated: Apollo Client v4, GraphQL APIs, WDIO, chai v6, Gradle 9, Jest transformIgnorePatterns, and robust data-model/DAO refinements.
August 2025 (NCI-Agency/anet) delivered reliability, UX, and maintenance improvements across frontend and CI/CD, with a focus on reducing frontend complexity, stabilizing tests, and tightening data handling for enterprise users. Key outcomes include read-only components for custom fields in Merge flows, a stability-focused workaround for intermittent multi-reference field selection, WebdriverIO v9 migration, and targeted UI/UX/maintenance enhancements that reduce risk and technical debt.
August 2025 (NCI-Agency/anet) delivered reliability, UX, and maintenance improvements across frontend and CI/CD, with a focus on reducing frontend complexity, stabilizing tests, and tightening data handling for enterprise users. Key outcomes include read-only components for custom fields in Merge flows, a stability-focused workaround for intermittent multi-reference field selection, WebdriverIO v9 migration, and targeted UI/UX/maintenance enhancements that reduce risk and technical debt.
July 2025 — NCI-Agency/anet: Focused on delivering actionable features, fixing data visibility bugs, strengthening validation and assessment workflows, expanding test coverage, and modernizing tooling. The month yielded measurable business value through improved data visibility, consistent UI behavior, and a stronger foundation for data access and GraphQL reliability. Key features delivered: - DateRangeFilter: Added support for DateRangeFilter options "Next … days" (commit 4ad0dce9c186d9d14939df9ae28b46d712e7f6fd). - UI/UX improvements: When hideIfEmpty, show non-empty primitive values (commit fb78dd9d3b46bfbb08e7b1706f76df7942a79938); Likert: Show 1 decimal place (commit 2e9a4199c197fd9e83a3d840e9151e30ecf1a707); Assessments: Show instant assessment labels (commit 5dc3ffead10c626a8336a2c4868da094e5df9413). - Testing enhancements: Added WDIO tests to improve test coverage (commit 977901e1844bf8c78ee29345c6c25509d451e565). - Tooling and quality improvements: Dependency and tooling updates (Jest, Gradle, Spring, Liquibase); Build system/test tooling updates; Code quality refinements (final fields, removal of obsolete code). Commits span 506e43da, 97296066, f7e73061, 02cb66bb, 6b0a639d, a2864312, 4182c9b6, 0317f23f, 3cdf30b5, 283931fc, 62a41994, e2a1e9f5, and more. Major bugs fixed: - Entities: Do not show entities without assessments (commit d448da4aa2edf6767becaef907b3bf2ef6dd5ef1). - Validation: Improve showing validation errors for MGRS coordinates (commit 3d24f243310e75c73df6cbbd670854c25bd8b8f5). - Console and UI stability: Fix console error when clearing report location (commit f79ba410dc317d7ca6209804ad26516692d1ec22). - Data consistency: ReportActions inserts per step corrected (commit 782b10deee17fc4de7615cbcc4a711dc0e70f523). - Interaction safety: Prevent selecting non-selectable items (commit 110e729ae7b92e2a60b5214b12eaa1f882ac71c0). - Data fetch integrity: Fetch an organization’s tasks so they don’t get cleared during updates (commit f853a5e31da01d3812932e11c7794b13bcfa71bd). Overall impact and accomplishments: - Increased data reliability and usability for end users via improved filtering, validation, and instant feedback on assessments. - Strengthened platform maintainability and developer productivity through modernized tooling, upgraded dependencies, and improved testing coverage. - Enabled safer data operations during merges and updates through better auditing, permissions controls, and data access patterns. Technologies/skills demonstrated: - Frontend: React UI enhancements (React.Fragment usage), UI/UX refinements for data visibility, and advanced location/task hierarchy features. - Validation: Yup schema extraction for coordinates and robust MGRS validation messaging. - GraphQL: Schema improvements and GraphQL accessors; GraphiQL upgrade. - Testing/QA: WDIO test suite expansion, ESLint/Prettier modernization, and build tooling upgrades (JUnit 5, Gradle, Spring Boot 3.5.3). - Architecture/DevEx: Exposing DAOs through engine, improved data access patterns; performance optimizations (CompactRow for customFields); code quality improvements (final fields, cleanup). - Platform upgrades: Blueprint 6.0 upgrade; location hierarchy filtering; improved saved searches and test data coverage; enhanced audit trails.
July 2025 — NCI-Agency/anet: Focused on delivering actionable features, fixing data visibility bugs, strengthening validation and assessment workflows, expanding test coverage, and modernizing tooling. The month yielded measurable business value through improved data visibility, consistent UI behavior, and a stronger foundation for data access and GraphQL reliability. Key features delivered: - DateRangeFilter: Added support for DateRangeFilter options "Next … days" (commit 4ad0dce9c186d9d14939df9ae28b46d712e7f6fd). - UI/UX improvements: When hideIfEmpty, show non-empty primitive values (commit fb78dd9d3b46bfbb08e7b1706f76df7942a79938); Likert: Show 1 decimal place (commit 2e9a4199c197fd9e83a3d840e9151e30ecf1a707); Assessments: Show instant assessment labels (commit 5dc3ffead10c626a8336a2c4868da094e5df9413). - Testing enhancements: Added WDIO tests to improve test coverage (commit 977901e1844bf8c78ee29345c6c25509d451e565). - Tooling and quality improvements: Dependency and tooling updates (Jest, Gradle, Spring, Liquibase); Build system/test tooling updates; Code quality refinements (final fields, removal of obsolete code). Commits span 506e43da, 97296066, f7e73061, 02cb66bb, 6b0a639d, a2864312, 4182c9b6, 0317f23f, 3cdf30b5, 283931fc, 62a41994, e2a1e9f5, and more. Major bugs fixed: - Entities: Do not show entities without assessments (commit d448da4aa2edf6767becaef907b3bf2ef6dd5ef1). - Validation: Improve showing validation errors for MGRS coordinates (commit 3d24f243310e75c73df6cbbd670854c25bd8b8f5). - Console and UI stability: Fix console error when clearing report location (commit f79ba410dc317d7ca6209804ad26516692d1ec22). - Data consistency: ReportActions inserts per step corrected (commit 782b10deee17fc4de7615cbcc4a711dc0e70f523). - Interaction safety: Prevent selecting non-selectable items (commit 110e729ae7b92e2a60b5214b12eaa1f882ac71c0). - Data fetch integrity: Fetch an organization’s tasks so they don’t get cleared during updates (commit f853a5e31da01d3812932e11c7794b13bcfa71bd). Overall impact and accomplishments: - Increased data reliability and usability for end users via improved filtering, validation, and instant feedback on assessments. - Strengthened platform maintainability and developer productivity through modernized tooling, upgraded dependencies, and improved testing coverage. - Enabled safer data operations during merges and updates through better auditing, permissions controls, and data access patterns. Technologies/skills demonstrated: - Frontend: React UI enhancements (React.Fragment usage), UI/UX refinements for data visibility, and advanced location/task hierarchy features. - Validation: Yup schema extraction for coordinates and robust MGRS validation messaging. - GraphQL: Schema improvements and GraphQL accessors; GraphiQL upgrade. - Testing/QA: WDIO test suite expansion, ESLint/Prettier modernization, and build tooling upgrades (JUnit 5, Gradle, Spring Boot 3.5.3). - Architecture/DevEx: Exposing DAOs through engine, improved data access patterns; performance optimizations (CompactRow for customFields); code quality improvements (final fields, cleanup). - Platform upgrades: Blueprint 6.0 upgrade; location hierarchy filtering; improved saved searches and test data coverage; enhanced audit trails.
June 2025 monthly summary for NCI-Agency/anet: Delivered a robust set of backend and frontend improvements that improved data reliability, security, and user productivity. Key testing adoptions and data-model enhancements reduced production risk and enabled scalable identity management, while targetted UI improvements improved data discoverability. The work combined extensive server-side testing, migration-safe refactors, schema/UI evolutions, and privacy controls to support compliant, efficient operations across the platform.
June 2025 monthly summary for NCI-Agency/anet: Delivered a robust set of backend and frontend improvements that improved data reliability, security, and user productivity. Key testing adoptions and data-model enhancements reduced production risk and enabled scalable identity management, while targetted UI improvements improved data discoverability. The work combined extensive server-side testing, migration-safe refactors, schema/UI evolutions, and privacy controls to support compliant, efficient operations across the platform.
May 2025 (NCI-Agency/anet) monthly summary: Key features delivered: - MART Reports now include a dedicated securityMarking field, enabling precise data classification and access controls (AB#1335). Commit: 75c25dfd80c7c444fbb741242d43a72c905a675a. - Saved Search API expanded with Within Objective and Within Location query methods, enabling targeted saved-search results for improvements in reporting workflows (AB#1293, AB#1085). Commits: 11152ab385663cd6d33cc636461339dbe9d3856c; c9aca00fedcc6eb15fb0417aef17f4d9218ddc87. - Authorization Groups Enhancements to governance and admin controls, including distributionList and forSensitiveInformation fields, URL changes to communities, advanced search filter, and warnings for reports (AB#1222). Commits include: 89066cc9fa9a26baf9319c853f2381b6d04544ca; d529d348f8d0346b966beb44d9444592deae8c43; 476b9c1f5b0f53eab31482701b419041d5f865c4; df51d494d25d55920d32e346bc46f40ba556373d; 9f83c37e621be7ceba80db036b66ec98d3edd29d; 1228d7a2a1f7abe28a21ec979face1123ac62f1e; f91f3e5e459ecac908e4fa7708b34d0713f49b6c. - Attachment handling enhancements to improve reliability and user experience when adding and managing attachments (AB#1351 type commit eb659ba9c3fdb6f89769f6bd094cb665a30495b2). - MART dictionary export enhancements: exporting all sub-tasks to the MART dictionary to improve data interoperability (AB#1350). Commit: bce52ee85407eb1f37b8aa77788d5b0213443a4a. Major bugs fixed: - Webpack Dev Server stability: Ignore another error in the webpack-dev-server, reducing false-positive dev-time failures (commit 3dc10122ebcacecd640254fd36bd8bdd03f48fd6). - Code quality: Remove useless reassignment of organization (commit f2b67c9ab29373e09ff28127db9a68b25c3f7e20). - Simplify exception handling when parsing report JSON (commit 995f28db37a1101fc0e931e064cbc56d4d33f609). - martImportedReports storage: Correct storage of submittedAt and receivedAt (commit 2d80fb8bd5847430da5f1a8a2375c6d1a934b5a5). - Validation and messaging: Prevent nationality validation error message from being shown incorrectly (commit 4b0fa3cbd1342bab2fd22e711a2b5d92b3cfb599); add tests for absence of nationality validation error message (commit 7898fbaf2096522fa616e6c5e39eacfb69559f83). - EwsReceiver handling: Do not create EwsReceiver when MART is disabled (commit fa05f39aa9a759f122f5c95b0447c92ee2ebf0ac). - Note UI: Fix note modal dialog (commit 9514e3e13454ce766840b46884c82368f20066e0). - Data hygiene: Remove unused dependencies (commit 2860c364421446580f33622795cbd5d82e7a2a96). - Transmission integrity: Avoid duplicate sequence numbers in the transmission log (commit 61bc76ad79fe6d89b1770b736299a38521631b68). - Schema: Add several missing fields (commit ce5b098637b936d94352278bbabc53bb795fe767). Overall impact and accomplishments: - Strengthened data governance and security posture with MART securityMarking and enhanced authorization controls. - Accelerated reporting workflows through Saved Search API enhancements, enabling faster, more targeted data retrieval. - Improved data integrity and reliability across MART-related data paths (submittedAt/receivedAt) and error handling, reducing time-to-detect and time-to-resolve issues. - Enhanced data interoperability and document management via MART dictionary export and improved attachment handling, supporting smoother audits and compliance. - Maintained engineering velocity with dev-server stability, code hygiene, and targeted test additions. Technologies/skills demonstrated: - Webpack dev-server stabilization, robust error handling, and dev-ops discipline. - Backend data modeling and API expansion for MART features (securityMarking, saved searches, attachments, dictionary export). - Data integrity practices (accurate timestamps) and exception handling improvements. - Governance and security awareness through Authorization Groups enhancements and related admin controls. - End-to-end testing coverage (WDIO tests for nationality validation absence).
May 2025 (NCI-Agency/anet) monthly summary: Key features delivered: - MART Reports now include a dedicated securityMarking field, enabling precise data classification and access controls (AB#1335). Commit: 75c25dfd80c7c444fbb741242d43a72c905a675a. - Saved Search API expanded with Within Objective and Within Location query methods, enabling targeted saved-search results for improvements in reporting workflows (AB#1293, AB#1085). Commits: 11152ab385663cd6d33cc636461339dbe9d3856c; c9aca00fedcc6eb15fb0417aef17f4d9218ddc87. - Authorization Groups Enhancements to governance and admin controls, including distributionList and forSensitiveInformation fields, URL changes to communities, advanced search filter, and warnings for reports (AB#1222). Commits include: 89066cc9fa9a26baf9319c853f2381b6d04544ca; d529d348f8d0346b966beb44d9444592deae8c43; 476b9c1f5b0f53eab31482701b419041d5f865c4; df51d494d25d55920d32e346bc46f40ba556373d; 9f83c37e621be7ceba80db036b66ec98d3edd29d; 1228d7a2a1f7abe28a21ec979face1123ac62f1e; f91f3e5e459ecac908e4fa7708b34d0713f49b6c. - Attachment handling enhancements to improve reliability and user experience when adding and managing attachments (AB#1351 type commit eb659ba9c3fdb6f89769f6bd094cb665a30495b2). - MART dictionary export enhancements: exporting all sub-tasks to the MART dictionary to improve data interoperability (AB#1350). Commit: bce52ee85407eb1f37b8aa77788d5b0213443a4a. Major bugs fixed: - Webpack Dev Server stability: Ignore another error in the webpack-dev-server, reducing false-positive dev-time failures (commit 3dc10122ebcacecd640254fd36bd8bdd03f48fd6). - Code quality: Remove useless reassignment of organization (commit f2b67c9ab29373e09ff28127db9a68b25c3f7e20). - Simplify exception handling when parsing report JSON (commit 995f28db37a1101fc0e931e064cbc56d4d33f609). - martImportedReports storage: Correct storage of submittedAt and receivedAt (commit 2d80fb8bd5847430da5f1a8a2375c6d1a934b5a5). - Validation and messaging: Prevent nationality validation error message from being shown incorrectly (commit 4b0fa3cbd1342bab2fd22e711a2b5d92b3cfb599); add tests for absence of nationality validation error message (commit 7898fbaf2096522fa616e6c5e39eacfb69559f83). - EwsReceiver handling: Do not create EwsReceiver when MART is disabled (commit fa05f39aa9a759f122f5c95b0447c92ee2ebf0ac). - Note UI: Fix note modal dialog (commit 9514e3e13454ce766840b46884c82368f20066e0). - Data hygiene: Remove unused dependencies (commit 2860c364421446580f33622795cbd5d82e7a2a96). - Transmission integrity: Avoid duplicate sequence numbers in the transmission log (commit 61bc76ad79fe6d89b1770b736299a38521631b68). - Schema: Add several missing fields (commit ce5b098637b936d94352278bbabc53bb795fe767). Overall impact and accomplishments: - Strengthened data governance and security posture with MART securityMarking and enhanced authorization controls. - Accelerated reporting workflows through Saved Search API enhancements, enabling faster, more targeted data retrieval. - Improved data integrity and reliability across MART-related data paths (submittedAt/receivedAt) and error handling, reducing time-to-detect and time-to-resolve issues. - Enhanced data interoperability and document management via MART dictionary export and improved attachment handling, supporting smoother audits and compliance. - Maintained engineering velocity with dev-server stability, code hygiene, and targeted test additions. Technologies/skills demonstrated: - Webpack dev-server stabilization, robust error handling, and dev-ops discipline. - Backend data modeling and API expansion for MART features (securityMarking, saved searches, attachments, dictionary export). - Data integrity practices (accurate timestamps) and exception handling improvements. - Governance and security awareness through Authorization Groups enhancements and related admin controls. - End-to-end testing coverage (WDIO tests for nationality validation absence).
April 2025 monthly summary for NCI-Agency/anet: Highlights include APP6 integration across database, dictionary, and UI; SVG uploads sanitization; avatar crop fix; GraphQL WebService hardening; Keycloak authentication caching and end-of-run logs; NVG configuration/refactor and identity schema overhaul. These changes deliver business value by enabling APP6-capable deployments, hardening security, improving runtime performance, and modernizing configuration and identity management.
April 2025 monthly summary for NCI-Agency/anet: Highlights include APP6 integration across database, dictionary, and UI; SVG uploads sanitization; avatar crop fix; GraphQL WebService hardening; Keycloak authentication caching and end-of-run logs; NVG configuration/refactor and identity schema overhaul. These changes deliver business value by enabling APP6-capable deployments, hardening security, improving runtime performance, and modernizing configuration and identity management.
March 2025: Focused on stability, data correctness, and modernization across the NCI-Agency/anet project. The team delivered improved date handling for ISO weeks, modernized dependencies for GraphQL and tooling, and implemented security/URL handling enhancements, while tightening test infrastructure for CI reliability. These changes underpin more accurate analytics, safer deployments, and a faster development cycle.
March 2025: Focused on stability, data correctness, and modernization across the NCI-Agency/anet project. The team delivered improved date handling for ISO weeks, modernized dependencies for GraphQL and tooling, and implemented security/URL handling enhancements, while tightening test infrastructure for CI reliability. These changes underpin more accurate analytics, safer deployments, and a faster development cycle.
February 2025 — Delivered core features enabling better event governance, configurability, and data integrity while strengthening the platform with UI and test improvements and updated dependencies. Highlights include owner organization and hostOrg options for Event/EventSeries, dictionary-driven configurability for MART imports, dictionary/name-case alignment, and enhanced task management with top-level task search. Significant bug fixes improved data handling, search accuracy, and subscription updates, complemented by avatar/attachment enhancements for events, robust test data for assessments, and a modernization of tooling and dependencies for security and maintainability.
February 2025 — Delivered core features enabling better event governance, configurability, and data integrity while strengthening the platform with UI and test improvements and updated dependencies. Highlights include owner organization and hostOrg options for Event/EventSeries, dictionary-driven configurability for MART imports, dictionary/name-case alignment, and enhanced task management with top-level task search. Significant bug fixes improved data handling, search accuracy, and subscription updates, complemented by avatar/attachment enhancements for events, robust test data for assessments, and a modernization of tooling and dependencies for security and maintainability.
January 2025 monthly summary for NCI-Agency/anet: Delivered a mix of packaging, build tooling, and configuration enhancements along with a broad set of code quality and data integrity fixes. The work improved build reliability, runtime observability, and deployment flexibility while reducing maintenance risk and enabling faster iteration in CI/CD.
January 2025 monthly summary for NCI-Agency/anet: Delivered a mix of packaging, build tooling, and configuration enhancements along with a broad set of code quality and data integrity fixes. The work improved build reliability, runtime observability, and deployment flexibility while reducing maintenance risk and enabling faster iteration in CI/CD.
December 2024 performance summary for NCI-Agency/anet. Focused on delivering metadata handling improvements, UX/UI refinements, and governance/security upgrades. Key outcomes include self-contained STANAG 4778 schemas with optional confidentiality labels (eliminating external schema downloads), expanded event management and reporting workflows, enhanced event matrix/task rendering, and a modernization of dependencies and tooling. These changes reduce external dependencies, improve data quality and performance, strengthen security/compliance, and deliver a smoother user experience across events and reports.
December 2024 performance summary for NCI-Agency/anet. Focused on delivering metadata handling improvements, UX/UI refinements, and governance/security upgrades. Key outcomes include self-contained STANAG 4778 schemas with optional confidentiality labels (eliminating external schema downloads), expanded event management and reporting workflows, enhanced event matrix/task rendering, and a modernization of dependencies and tooling. These changes reduce external dependencies, improve data quality and performance, strengthen security/compliance, and deliver a smoother user experience across events and reports.
November 2024 Monthly Summary for NCI-Agency/anet: Delivered foundational TypeScript migration and exports, improved logging and stability, modernized the React/TS codebase, and strengthened security/infra to support business reliability and developer velocity. Key impact spans UI polish, data validation, event workflows, and authentication tooling with a focus on maintainability and scalability.
November 2024 Monthly Summary for NCI-Agency/anet: Delivered foundational TypeScript migration and exports, improved logging and stability, modernized the React/TS codebase, and strengthened security/infra to support business reliability and developer velocity. Key impact spans UI polish, data validation, event workflows, and authentication tooling with a focus on maintainability and scalability.
Overview of all repositories you've contributed to across your timeline