threatgrid/ctia
Jan 2025 – Sep 2025
4 Months active
Languages Used
ClojureJavaYAMLOrg-mode
Technical Skills
Backend DevelopmentConfiguration ManagementData MigrationDependency ManagementBuild AutomationCI/CD
Ambrose Bonnaire-Sergeant
PROFILE
Ambrose Bonnaire-sergeant
Over four months, contributed to threatgrid/ctia by delivering configurable Jackson stream constraints for migration tasks, enabling users to manage JSON nesting and value limits for robust data migration. Applied backend development and configuration management skills using Java and YAML to enhance migration scalability and reduce processing errors. Maintained dependency hygiene by upgrading CTIM, Netty, and ZooKeeper, ensuring alignment with upstream releases and improved runtime stability. Strengthened CI/CD workflows with build automation and precise dependency management in Clojure. Addressed operational risks by fixing Kafka configuration references, updating related tests and documentation, and ensuring reliable connectivity and maintainability across the codebase.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
4Total
Bugs
2
Commits
4
Features
2
Lines of code
237
Activity Months4
Your Network
238 peopleSame Organization
@cisco.com230
Shared Repositories
8
Adam SayerMember
Andrii PidhorodetskyiMember
Guillaume ErétéoMember
Guillaume BuissonMember
Kirill ChernyshovMember
Matthieu SprunckMember
MiaMember
Sam WaggonerMember
Work History
September 2025
1 Commits
Sep 1, 2025Month: 2025-09. Threatgrid/ctia delivered a focused bug fix addressing Kafka configuration references to prevent misconfigurations and potential outages. Key activities included correcting a typo ('kafa' -> 'kafka') across configuration references, updating the failing test assertion, and aligning documentation and property names with the correct Kafka reference. This work reduces operational risk, improves CI stability, and clarifies Kafka-related configuration for maintainers and users. Technologies demonstrated include targeted debugging, test maintenance, and documentation alignment, with clear business value in ensuring reliable Kafka connectivity.
1 Commits
Sep 1, 2025Month: 2025-09. Threatgrid/ctia delivered a focused bug fix addressing Kafka configuration references to prevent misconfigurations and potential outages. Key activities included correcting a typo ('kafa' -> 'kafka') across configuration references, updating the failing test assertion, and aligning documentation and property names with the correct Kafka reference. This work reduces operational risk, improves CI stability, and clarifies Kafka-related configuration for maintainers and users. Technologies demonstrated include targeted debugging, test maintenance, and documentation alignment, with clear business value in ensuring reliable Kafka connectivity.
September 2025
August 2025
1 Commits • 1 Features
Aug 1, 20252025-08: ThreatGrid/CTIA maintenance month focused on dependency upgrades and CI workflow hardening to improve stability and build reproducibility. Upgraded core dependencies (Netty, ZooKeeper) and updated CI workflow to install the correct Clojure tool versions; removed an unused dependency to reduce complexity. Commit referenced: dfe43d95d21ecea5f07e9196b597bfe542a273bc (Bump deps #1477).
August 2025
1 Commits • 1 Features
Aug 1, 20252025-08: ThreatGrid/CTIA maintenance month focused on dependency upgrades and CI workflow hardening to improve stability and build reproducibility. Upgraded core dependencies (Netty, ZooKeeper) and updated CI workflow to install the correct Clojure tool versions; removed an unused dependency to reduce complexity. Commit referenced: dfe43d95d21ecea5f07e9196b597bfe542a273bc (Bump deps #1477).
February 2025
1 Commits
Feb 1, 2025February 2025: Maintained CTIA with targeted dependency hygiene. Upgraded CTIM to 1.3.23 to apply fixes/improvements, with changes reflected in the dependency tree and the main configuration, ensuring alignment with upstream releases and reducing runtime risk.
1 Commits
Feb 1, 2025February 2025: Maintained CTIA with targeted dependency hygiene. Upgraded CTIM to 1.3.23 to apply fixes/improvements, with changes reflected in the dependency tree and the main configuration, ensuring alignment with upstream releases and reducing runtime risk.
February 2025
January 2025
1 Commits • 1 Features
Jan 1, 2025Monthly summary for 2025-01 (threatgrid/ctia): Delivered configurable Jackson stream constraints in migration tasks, enabling users to set maximum nesting depth, number length, and string length to better handle large or deeply nested JSON. No major bugs fixed this month. Impact: improves migration robustness and scalability, reduces processing errors/timeouts for large payloads, and enhances customer configurability. Technologies/skills demonstrated: Java/Jackson configuration, migration task design, scalable JSON processing, commit traceability.
January 2025
1 Commits • 1 Features
Jan 1, 2025Monthly summary for 2025-01 (threatgrid/ctia): Delivered configurable Jackson stream constraints in migration tasks, enabling users to set maximum nesting depth, number length, and string length to better handle large or deeply nested JSON. No major bugs fixed this month. Impact: improves migration robustness and scalability, reduces processing errors/timeouts for large payloads, and enhances customer configurability. Technologies/skills demonstrated: Java/Jackson configuration, migration task design, scalable JSON processing, commit traceability.
Activity
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Quality Metrics
Correctness90.0%
Maintainability90.0%
Architecture90.0%
Performance85.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
ClojureJavaOrg-modeYAML
Technical Skills
Backend DevelopmentBug FixBuild AutomationCI/CDConfiguration ManagementData MigrationDependency ManagementDocumentation Update
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline