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Maria DCosta

PROFILE

Maria Dcosta

Worked on the Expensify/Bedrock repository, focusing on backend development and maintainability in C++. Delivered targeted improvements to the logging system, enhancing readability by standardizing key ordering and expanding observability for OFAC watchlist alerts through additional identifier logging. Emphasized code refactoring and compliance readiness without introducing functional changes, supporting easier debugging and onboarding. In network programming, addressed HTTP protocol robustness by updating the Bedrock HTTP client to correctly handle 204 No Content responses alongside 200 OK, reducing error rates for RESTful integrations. Demonstrated disciplined use of version control and attention to detail in both maintainability and protocol compliance.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

3Total
Bugs
1
Commits
3
Features
2
Lines of code
8
Activity Months2

Work History

August 2025

1 Commits

Aug 1, 2025

August 2025: Focused on hardening the Bedrock HTTP client to improve resilience and interoperability with diverse server responses. Delivered a targeted bug fix to treat 204 No Content as a valid response in addition to 200 OK, aligning with RESTful semantics and reducing API error surface for downstream services.

November 2024

2 Commits • 2 Features

Nov 1, 2024

Month: 2024-11 | Expensify/Bedrock Overview: Delivered targeted maintainability and observability improvements with no functional changes, strengthening debugging, auditing, and compliance readiness for the Bedrock codebase. Key achievements: - Logging configuration readability improvement: Reordered a log key in a C++ source file to maintain alphabetical order; no functional changes. Commit: 7c379ab53337bcfcbe26308c1ed7c2aa28c38426. - OFAC watchlist alert logging enhancement: Added reimbursementEntryID and walletBankAccountID to PARAMS_WHITELIST in SLog.cpp to enable logging of these identifiers as part of the OFAC watchlist alert feature. Commit: f029cc3a22cd6ab525600d30c244b2e005e2847d. Major bugs fixed: - No critical bugs fixed this period; focus was on feature-driven improvements and observability. Overall impact and accomplishments: - Improved maintainability and consistency of logging, facilitating faster issue diagnosis and easier onboarding for new engineers. - Strengthened observability for OFAC-related alert workflows, enabling better auditing and regulatory compliance. - Demonstrated disciplined code hygiene (readability/refactor) with zero functional risk. Technologies/skills demonstrated: - C++ codebase literacy, logging system instrumentation, and non-functional refactoring. - Attention to detail for compliance-related logging and standardized key ordering. - Effective use of version control to implement targeted, low-risk improvements.

Activity

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Quality Metrics

Correctness93.4%
Maintainability93.4%
Architecture86.6%
Performance100.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++

Technical Skills

Backend DevelopmentCode RefactoringHTTP ProtocolLoggingMaintainabilityNetwork Programming

Repositories Contributed To

1 repo

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

Expensify/Bedrock

Nov 2024 Aug 2025
2 Months active

Languages Used

C++

Technical Skills

Backend DevelopmentCode RefactoringLoggingMaintainabilityHTTP ProtocolNetwork Programming