Countly/countly-server
Aug 2024 – Feb 2026
16 Months active
Languages Used
JavaScriptHTMLMarkdownNginxDockerfileShellSCSS
Technical Skills
JavaScriptVue.jsfront end developmentAPI DevelopmentBackend DevelopmentFrontend Development
Danu Widatama
PROFILE
Danu Widatama
Widatama contributed to the Countly/countly-server repository over 16 months, delivering features and fixes that enhanced data reliability, security, and user experience. He engineered backend and frontend improvements using JavaScript, Node.js, and Vue.js, such as refining server statistics aggregation, strengthening permission validation, and optimizing A/B testing workflows. His work included implementing SSL/TLS configuration, improving crash reporting logic, and extending event tracking for analytics. Widatama also maintained documentation and changelogs for governance and onboarding. By addressing both core logic and UI stability, he ensured robust data processing, maintainable code, and smoother enterprise deployments, demonstrating depth in backend development and configuration management.
Overall Statistics
Feature vs Bugs
70%Features
Repository Contributions
134Total
Bugs
19
Commits
134
Features
44
Lines of code
2,734
Activity Months16
Your Network
24 people
Work History
February 2026
3 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for Countly/countly-server focusing on reliability, UX, and data accuracy. Delivered targeted fixes and a UX enhancement that improve administrator experience and data interpretation in the Countly server stack. The work aligns with enterprise requirements and changelog governance, contributing to release quality and customer value.
3 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for Countly/countly-server focusing on reliability, UX, and data accuracy. Delivered targeted fixes and a UX enhancement that improve administrator experience and data interpretation in the Countly server stack. The work aligns with enterprise requirements and changelog governance, contributing to release quality and customer value.
February 2026
January 2026
15 Commits • 2 Features
Jan 1, 2026January 2026 — Countly/countly-server: Focused on user experience refinements, onboarding reliability, and experiment robustness, with measurable business impact. Key outcomes include enhancements to Star Rating and Feedback Widgets (UI tweaks, consent handling, and status/link improvements), onboarding flow fixes ensuring newsletter subscription status updates before redirecting to home, and remote-config/experiment improvements for more reliable A/B testing. Also documented a period calculation fix in the changelog. These changes collectively improve user engagement, reduce onboarding friction, and increase accuracy of experiment results.
January 2026
15 Commits • 2 Features
Jan 1, 2026January 2026 — Countly/countly-server: Focused on user experience refinements, onboarding reliability, and experiment robustness, with measurable business impact. Key outcomes include enhancements to Star Rating and Feedback Widgets (UI tweaks, consent handling, and status/link improvements), onboarding flow fixes ensuring newsletter subscription status updates before redirecting to home, and remote-config/experiment improvements for more reliable A/B testing. Also documented a period calculation fix in the changelog. These changes collectively improve user engagement, reduce onboarding friction, and increase accuracy of experiment results.
December 2025
3 Commits • 1 Features
Dec 1, 2025December 2025: Focused on strengthening dashboard access through robust null checks for user permissions and enhancements to permission validation in Countly/countly-server. Implemented core null safety improvements across the permission pathway, accompanied by changelog updates. Outcomes include more reliable dashboard access, reduced runtime errors, and improved maintainability and auditability of permission logic.
3 Commits • 1 Features
Dec 1, 2025December 2025: Focused on strengthening dashboard access through robust null checks for user permissions and enhancements to permission validation in Countly/countly-server. Implemented core null safety improvements across the permission pathway, accompanied by changelog updates. Outcomes include more reliable dashboard access, reduced runtime errors, and improved maintainability and auditability of permission logic.
December 2025
November 2025
13 Commits • 4 Features
Nov 1, 2025November 2025 (2025-11) — Delivered four enterprise-focused features in Countly/countly-server that improve traceability, data integrity, and UI security, with changelog documentation for governance. Highlights include enterprise logging improvements, enhanced alert auditing, data manager and surveys reliability, and visualization enhancements.
November 2025
13 Commits • 4 Features
Nov 1, 2025November 2025 (2025-11) — Delivered four enterprise-focused features in Countly/countly-server that improve traceability, data integrity, and UI security, with changelog documentation for governance. Highlights include enterprise logging improvements, enhanced alert auditing, data manager and surveys reliability, and visualization enhancements.
October 2025
11 Commits • 2 Features
Oct 1, 2025Monthly work summary for 2025-10 focusing on Countly/countly-server: delivered features and improvements, fixed key issues, and strengthened data reliability and documentation to support enterprise deployments.
11 Commits • 2 Features
Oct 1, 2025Monthly work summary for 2025-10 focusing on Countly/countly-server: delivered features and improvements, fixed key issues, and strengthened data reliability and documentation to support enterprise deployments.
October 2025
September 2025
2 Commits
Sep 1, 2025In Sep 2025, delivered a reliability-focused fix for the NPS Generator Widget ID extraction in Countly-server, resulting in more robust widget identification and improved analytics quality. The change prioritizes the _id field from the NPS generator JSON response, with a safe fallback to parsing the text field when _id is absent. This enhances stability across deployments and reduces misidentification of NPS widgets. The work also included an update to the changelog for traceability and future audits.
September 2025
2 Commits
Sep 1, 2025In Sep 2025, delivered a reliability-focused fix for the NPS Generator Widget ID extraction in Countly-server, resulting in more robust widget identification and improved analytics quality. The change prioritizes the _id field from the NPS generator JSON response, with a safe fallback to parsing the text field when _id is absent. This enhances stability across deployments and reduces misidentification of NPS widgets. The work also included an update to the changelog for traceability and future audits.
August 2025
6 Commits • 2 Features
Aug 1, 2025Concise monthly performance summary for 2025-08 (Countly/countly-server). This report highlights key features delivered, major bugs fixed, overall impact, and demonstrated technologies/skills with a focus on business value and technical accomplishments. Highlights include documentation updates for release transparency and the introduction of new event tracking in server-stats, alongside a bug fix that improves data accuracy for analytics dashboards.
6 Commits • 2 Features
Aug 1, 2025Concise monthly performance summary for 2025-08 (Countly/countly-server). This report highlights key features delivered, major bugs fixed, overall impact, and demonstrated technologies/skills with a focus on business value and technical accomplishments. Highlights include documentation updates for release transparency and the introduction of new event tracking in server-stats, alongside a bug fix that improves data accuracy for analytics dashboards.
August 2025
July 2025
50 Commits • 19 Features
Jul 1, 2025July 2025 performance summary for Countly/countly-server: Focused on reliability, configurability, and observability improvements with tangible business value. Key features delivered include healthcheck reliability enhancements, remote-config semantic improvements with semver comparison and expanded query matching, UI/UX enhancements for star-rating, core API consistency improvements, and robust app-version parsing with tests. These changes reduce downtime risk, enable safer feature/config workflows, improve user-facing behavior, and strengthen observability across services.
July 2025
50 Commits • 19 Features
Jul 1, 2025July 2025 performance summary for Countly/countly-server: Focused on reliability, configurability, and observability improvements with tangible business value. Key features delivered include healthcheck reliability enhancements, remote-config semantic improvements with semver comparison and expanded query matching, UI/UX enhancements for star-rating, core API consistency improvements, and robust app-version parsing with tests. These changes reduce downtime risk, enable safer feature/config workflows, improve user-facing behavior, and strengthen observability across services.
June 2025
10 Commits • 4 Features
Jun 1, 2025June 2025 monthly summary: Delivered security hardening, data quality improvements, and UI stabilization for the Countly-server. Implemented internal SSL/TLS enablement with Nginx, expanded SSL support in the config extender, and removed obsolete SSL CA references from Docker builds to strengthen security posture. Improved star-rating reliability by trimming whitespace in app_version, broadening version matching, and fixing the consent text counter, resulting in cleaner data and UX. Resolved a frontend UI bug in Data Manager ensuring the visibility dropdown renders correctly. Enhanced crash reporting by deriving a crash name from the stack trace when not provided, speeding up incident triage. Updated the changelog for Version 25.03.XX to reflect crash-name derivation and frontend attribute fixes. These efforts improved security, data quality, user experience, and release documentation.
10 Commits • 4 Features
Jun 1, 2025June 2025 monthly summary: Delivered security hardening, data quality improvements, and UI stabilization for the Countly-server. Implemented internal SSL/TLS enablement with Nginx, expanded SSL support in the config extender, and removed obsolete SSL CA references from Docker builds to strengthen security posture. Improved star-rating reliability by trimming whitespace in app_version, broadening version matching, and fixing the consent text counter, resulting in cleaner data and UX. Resolved a frontend UI bug in Data Manager ensuring the visibility dropdown renders correctly. Enhanced crash reporting by deriving a crash name from the stack trace when not provided, speeding up incident triage. Updated the changelog for Version 25.03.XX to reflect crash-name derivation and frontend attribute fixes. These efforts improved security, data quality, user experience, and release documentation.
June 2025
May 2025
6 Commits • 2 Features
May 1, 2025May 2025 was focused on performance, reliability, and UX stability for Countly/countly-server, delivering core features while keeping documentation up to date. The month’s work improved AB testing throughput, ensured dashboard data accuracy, and stabilized the UI experience, contributing to faster insights and more reliable monitoring for users and operators.
May 2025
6 Commits • 2 Features
May 1, 2025May 2025 was focused on performance, reliability, and UX stability for Countly/countly-server, delivering core features while keeping documentation up to date. The month’s work improved AB testing throughput, ensured dashboard data accuracy, and stabilized the UI experience, contributing to faster insights and more reliable monitoring for users and operators.
April 2025
7 Commits • 2 Features
Apr 1, 2025April 2025: Implemented Heatmap API with aggregation, enriched heatmap data with metadata and historical data, removed old API, reorganized tests for views plugin, updated changelog. Result: better data fidelity, performance, and maintainability; stronger regression protection and faster onboarding.
7 Commits • 2 Features
Apr 1, 2025April 2025: Implemented Heatmap API with aggregation, enriched heatmap data with metadata and historical data, removed old API, reorganized tests for views plugin, updated changelog. Result: better data fidelity, performance, and maintainability; stronger regression protection and faster onboarding.
April 2025
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 — Countly server updates focused on strengthening enterprise licensing governance. Key delivery: Enterprise License Management Enhancements, including license locking conditions, remote force locking configuration, and dashboard lock behavior for non-admin users. CHANGELOG updated to reflect licensing changes and admin controls. This work reduces risk of license misuse, enables centralized license enforcement, and improves admin workflows for enterprise deployments. Tech/engineering efforts included backend licensing logic, configuration management, and documentation alignment with governance requirements.
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 — Countly server updates focused on strengthening enterprise licensing governance. Key delivery: Enterprise License Management Enhancements, including license locking conditions, remote force locking configuration, and dashboard lock behavior for non-admin users. CHANGELOG updated to reflect licensing changes and admin controls. This work reduces risk of license misuse, enables centralized license enforcement, and improves admin workflows for enterprise deployments. Tech/engineering efforts included backend licensing logic, configuration management, and documentation alignment with governance requirements.
January 2025
3 Commits • 1 Features
Jan 1, 2025January 2025: Countly-server delivered a focused set of improvements to server statistics and data reliability. Key enhancements included a refactor and optimization of the server-stats job to improve data calculation, enable monthly breakdowns, strengthen tracking integration, and add robust error handling for external dependencies. This work increased the accuracy and timeliness of monthly stats, with accompanying tests to validate correctness. In parallel, a data point calculation issue in jobs was fixed to correct inaccuracies introduced by recent changes, and the changelog was updated to reflect these improvements. Overall, these changes enhance data trust, reporting capabilities, and developer productivity.
3 Commits • 1 Features
Jan 1, 2025January 2025: Countly-server delivered a focused set of improvements to server statistics and data reliability. Key enhancements included a refactor and optimization of the server-stats job to improve data calculation, enable monthly breakdowns, strengthen tracking integration, and add robust error handling for external dependencies. This work increased the accuracy and timeliness of monthly stats, with accompanying tests to validate correctness. In parallel, a data point calculation issue in jobs was fixed to correct inaccuracies introduced by recent changes, and the changelog was updated to reflect these improvements. Overall, these changes enhance data trust, reporting capabilities, and developer productivity.
January 2025
December 2024
1 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for Countly/countly-server: Delivered a focused feature enhancement to the star-rating plugin. Introduced an ignore-existing-cohort option on the drawer component to exclude existing cohort data when segmenting user behavior, simplifying data handling and improving analytics accuracy. The change includes a CHANGELOG entry and is tied to commit 88857276c22775c1cde54aa082ecd655e0f1010f. No major bugs fixed this month. Overall impact: cleaner cohort-based analytics, streamlined data processing for segmentation, and better data-driven decisions. Technologies/skills demonstrated: plugin architecture extension, component prop design, changelog integration, Git traceability, and end-to-end feature delivery in a server repository.
December 2024
1 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for Countly/countly-server: Delivered a focused feature enhancement to the star-rating plugin. Introduced an ignore-existing-cohort option on the drawer component to exclude existing cohort data when segmenting user behavior, simplifying data handling and improving analytics accuracy. The change includes a CHANGELOG entry and is tied to commit 88857276c22775c1cde54aa082ecd655e0f1010f. No major bugs fixed this month. Overall impact: cleaner cohort-based analytics, streamlined data processing for segmentation, and better data-driven decisions. Technologies/skills demonstrated: plugin architecture extension, component prop design, changelog integration, Git traceability, and end-to-end feature delivery in a server repository.
November 2024
2 Commits • 1 Features
Nov 1, 2024November 2024 performance summary for Countly/countly-server focusing on business value and technical achievements.
2 Commits • 1 Features
Nov 1, 2024November 2024 performance summary for Countly/countly-server focusing on business value and technical achievements.
November 2024
August 2024
1 Commits • 1 Features
Aug 1, 2024Month: 2024-08 — Countly/countly-server: Key feature delivered focuses on global admin access determination. Implemented updated logic to determine if a user has global admin access based on their assigned groups, enhancing user role management and governance. No major bugs reported/fixed for this repository in August 2024 according to input data. Impact and accomplishments: Improved security and governance by ensuring admin privileges reflect current group memberships, enabling safer admin lifecycle management and reducing risk of privilege misassignment. Prepared groundwork for upcoming RBAC enhancements by centralizing group-based admin checks in the core access control path. Technologies/skills demonstrated: authentication/authorization design, RBAC concepts, core logic refactoring, group-based permission checks, traceability via commit references (e.g., 23580d331a77956acfd7530a9b3788ef0e7df049).
August 2024
1 Commits • 1 Features
Aug 1, 2024Month: 2024-08 — Countly/countly-server: Key feature delivered focuses on global admin access determination. Implemented updated logic to determine if a user has global admin access based on their assigned groups, enhancing user role management and governance. No major bugs reported/fixed for this repository in August 2024 according to input data. Impact and accomplishments: Improved security and governance by ensuring admin privileges reflect current group memberships, enabling safer admin lifecycle management and reducing risk of privilege misassignment. Prepared groundwork for upcoming RBAC enhancements by centralizing group-based admin checks in the core access control path. Technologies/skills demonstrated: authentication/authorization design, RBAC concepts, core logic refactoring, group-based permission checks, traceability via commit references (e.g., 23580d331a77956acfd7530a9b3788ef0e7df049).
Activity
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Quality Metrics
Correctness92.0%
Maintainability90.8%
Architecture87.0%
Performance87.0%
AI Usage20.6%
Skills & Technologies
Programming Languages
DockerfileHTMLJavaScriptMarkdownNginxSCSSShell
Technical Skills
API DevelopmentBackend DevelopmentCode RefactoringConfiguration ManagementContainerizationCypressData AggregationData ManagementDatabase AggregationDatabase ConfigurationDatabase ManagementDevOpsDockerDocumentationError Handling
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline