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Margarida Dias

PROFILE

Margarida Dias

Over three months, Margarida Dias developed four backend features for the tmlmobilidade/sae repository, focusing on data-driven operations and financial analytics. She built tools for daily performance metric synchronization and passenger demand impact estimation, using Node.js and TypeScript to improve observability and outage analysis. Margarida integrated agency pricing data into MongoDB-backed trip records, enabling cost and revenue analytics for agency partnerships. She also standardized passenger impact estimation and established an executive summary with financial metrics, refactoring date handling for accuracy. Her work emphasized robust data aggregation, maintainable code, and reliable reporting, supporting faster, more informed decision-making for transit operations.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

6Total
Bugs
0
Commits
6
Features
4
Lines of code
1,969
Activity Months3

Your Network

14 people

Work History

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026 (2026-03) monthly summary for the tmlmobilidade/sae repository. Focused on delivering a standardized passenger impact estimation feature, establishing an executive summary with financial metrics, and improving data processing accuracy and code quality. The work supports data-driven operations, better financial visibility, and scalable reporting.

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026: Delivered Trip Cost and Revenue Analytics via Agency Pricing for the SAE repository, enabling financial analysis of trips and agency performance. Implemented data model changes, integrated agency pricing data, and added cost and revenue fields to trips to support cost-to-serve and revenue tracking. Established groundwork for time-based aggregation and reporting.

January 2026

4 Commits • 2 Features

Jan 1, 2026

Month: 2026-01 Summary: In tmlmobilidade/sae, delivered two high-impact features that strengthen observability and outage analytics. No major bugs fixed this month; effort focused on robust feature delivery, testing readiness, and code maintainability. Key achievements: - Daily Performance Metrics Synchronization Command: introduces a new CLI command to sync daily performance metrics, streamlining the performance-monitoring workflow for developers and operators. Commit: dc765e7f2b39ad0b23023a6310805713f585c8a9. - Passenger Demand Impact Metric: adds a metric to quantify how service failures affect passenger demand, including calculations for estimated affected passengers and failed circulations by day; accompanied by testing notes and minor code cleanup. Commits: ceca718489369b9056ff3a06b7ccb10f4b77ae1f, 2d6f61fb2a76892f45d1ec70ac236ce4847bbb78, 389b5dba4da7d73c5fe8c1d2d1e85ae506d30e4f. Other notes: - Overall impact: improved observability, data-driven outage analysis, and faster response times. - Technologies/skills demonstrated: command-line tooling, metric calculations, testing practices, incremental code cleanup, and cross-functional collaboration.

Activity

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Quality Metrics

Correctness76.6%
Maintainability76.6%
Architecture76.6%
Performance76.6%
AI Usage30.0%

Skills & Technologies

Programming Languages

JavaScriptTypeScript

Technical Skills

API developmentMongoDBNode.jsTypeScriptbackend developmentdata aggregationdata analysisfull stack development

Repositories Contributed To

1 repo

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

tmlmobilidade/sae

Jan 2026 Mar 2026
3 Months active

Languages Used

JavaScriptTypeScript

Technical Skills

API developmentNode.jsTypeScriptbackend developmentdata aggregationfull stack development