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Davi (she/they)

PROFILE

Davi (she/they)

David Marion engineered robust identity and authentication features for the 18F/identity-idp and identity-dashboard repositories, focusing on secure document verification, analytics instrumentation, and API development. He delivered end-to-end flows for SAML and OpenID Connect, integrating Socure-based document checks and encrypted storage using Ruby and JavaScript. His work included expanding the Attempts API for granular event tracking, implementing per-session telemetry, and refining authentication context handling to improve security and compliance. By standardizing event schemas, enhancing CI/CD pipelines, and enforcing code quality with tools like RuboCop, David improved system reliability, auditability, and maintainability, demonstrating depth in backend development and security.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

101Total
Bugs
11
Commits
101
Features
45
Lines of code
26,122
Activity Months16

Work History

January 2026

5 Commits • 5 Features

Jan 1, 2026

January 2026: Consolidated feature delivery and quality improvements across identity-idp, identity-dashboard, and handbook. Focused on reducing diagnosis time, simplifying data structures, optimizing performance, enforcing code quality, and enhancing collaboration resources. The month delivered concrete business value through clearer CI feedback, leaner analytics payloads, faster role checks, stricter template linting, and expanded documentation.

December 2025

7 Commits • 3 Features

Dec 1, 2025

December 2025 delivered authentication simplification, telemetry enhancements, identity verification instrumentation, and CI pipeline stabilization for 18F/identity-idp. Key changes include removing VoT usage across OIDC and SAML and consolidating authentication context resolution to rely on ACR values, with a refactor of the VoT namespace to Component; added a persistent per-session browser_id cookie to improve Attempts API telemetry reliability; introduced idv_phone_verified event tracking to surface phone verification outcomes; and a CI pipeline maintenance commit to stabilize builds. Impact: reduced authentication surface area, improved telemetry fidelity and security posture, and increased maintainability and pipeline reliability, directly supporting onboarding, risk assessment, and operation efficiency.

November 2025

6 Commits • 4 Features

Nov 1, 2025

November 2025 focused on strengthening authentication analytics, improving logout accuracy, expanding Attempts API telemetry, and standardizing identity verification data formatting. Delivered with code-quality improvements, docs updates, and targeted bug fixes that enhance observability, user experience telemetry, and compliance with data schemas. These changes lay groundwork for better risk scoring, incident response, and product analytics, enabling business stakeholders to measure authentication flows and password reset efficacy more precisely.

October 2025

2 Commits • 1 Features

Oct 1, 2025

Month: 2025-10 — Delivered targeted improvements across two repositories to strengthen authentication robustness and observability, with clear business value in reliability and auditability. Key work spans SAML and event-logging enhancements that reduce risk, improve traceability, and accelerate future development.

September 2025

4 Commits • 3 Features

Sep 1, 2025

September 2025 performance summary: Delivered core features for identity-idp and completed a major code quality uplift in identity-dashboard, driving verification coverage, security, and maintainability. Key features delivered: identity-idp – Socure document verification flow enhancements with MRZ data processing and passport image handling; JWT handling hardened by signing pre-formatted payloads and updating tests. Identity-dashboard – introduced comprehensive RuboCop linting across Layout, Lint, Metrics, Naming, Performance, and Style, plus rubocop-performance gem to enforce performance best practices. Major bugs fixed: none explicitly logged; security and quality improvements address risk areas. Overall impact: expanded verification coverage and accuracy, strengthened security posture, and improved code quality and maintainability, enabling safer, faster releases. Technologies/skills demonstrated: Ruby, JWT, MRZ data processing, Socure Escrow integration, RuboCop, rubocop-performance, and general code quality governance.

August 2025

6 Commits • 2 Features

Aug 1, 2025

In August 2025, focused on governance, security, and reliability improvements for 18F/identity-idp. Delivered external contributor guidelines, completed substantial Attempts API enhancements, and improved documentation and changelog coverage. No major bugs were reported; the month emphasized feature delivery, system reliability, and maintainability to accelerate secure identity workflows and external collaboration.

July 2025

7 Commits • 5 Features

Jul 1, 2025

July 2025 highlights across 18F/identity-idp and 18F/identity-dashboard: security, data integrity, and UX improvements that drive business value. Implemented device fingerprint integration into risk assessment, tightened data handling (string-key access for DDP), introduced per-provider image upload with escrow gating, and enforced per-document unique encryption keys. UX upgrades include consistent file upload error messaging and standardized removal terminology in Partner Portal. Collectively, these changes enhance risk scoring accuracy, data security, user experience, and operational maintainability.

June 2025

7 Commits • 3 Features

Jun 1, 2025

June 2025 (18F/identity-idp) delivered the SOCURE-based document verification flow, integrated the Attempts API with IDV uploads, and standardized internal event tracking for robustness. The work improved verification reliability, end-to-end traceability, and developer clarity through enhanced auditing and documentation. These changes position us to scale identity verification with better error handling and telemetry, reducing support overhead and accelerating decisioning.

May 2025

16 Commits • 2 Features

May 1, 2025

May 2025 highlights for 18F/identity-idp: Delivered robust Identity Verification Document Upload and Image Handling with ApiImageUploadForm, document escrow via Attempts API, EncryptedDocStorage, and S3 storage; added IdvImage object and refactored IDV image handling. Implemented Comprehensive Identity Verification and User Lifecycle Analytics by expanding event telemetry across proofing, MFA, login, registration, and password reset, including a broad set of new events (IdV enrollment complete, idv-submitted, address-submitted, phone OTP, language, etc.). Improved observability, localization, and docs with event schema updates and changelog entries. Minor bug fixes in event handling and login rate limiting, contributing to reliability and compliance readiness. Business value: stronger identity trust, better risk detection, and data-driven product decisions; Tech highlights: ApiImageUploadForm, EncryptedDocStorage, IdV events, Attempts API, localization, and updated schemas/docs.

April 2025

11 Commits • 4 Features

Apr 1, 2025

April 2025: Focused on expanding telemetry and hardening identity flows in 18F/identity-idp. Delivered richer event tracking across sign-in and MFA paths, enhanced session handling, and standardized error reporting, enabling faster detection and response to security incidents and improved user experience. Key instrumentation across Attempts API, MFA/login analytics, and IDV protections laid groundwork for risk-based authentication and data-driven decisions.

March 2025

8 Commits • 2 Features

Mar 1, 2025

March 2025 performance summary for 18F/identity-idp. Focused on strengthening reliability, security auditing, and API observability in the Attempts API while delivering enhancements to event tracking and OpenAPI coverage. Key outcomes include robust bug fixes, core feature delivery for authentication attempt tracking, and expanded event schemas with broader MFA and enrollment coverage. These efforts reduced error conditions, improved data integrity, and enhanced business visibility into authentication activity.

February 2025

5 Commits • 3 Features

Feb 1, 2025

February 2025 (18F/identity-idp) — Concise monthly summary focusing on key deliverables, impact, and skills demonstrated. Key features delivered: - Enhanced AAL mismatch analytics: Adds analytics events to log divergences between asserted and response AAL attribute values, improving monitoring of authentication context and assurance levels. Commit: 1bf4a7464b84f34fcc309f967baed7d15775b839. - OpenID scope coverage report: Introduces a new report listing integrations missing the 'openid' scope, including a query, data fetch, and a row detailing count and issuer names without the 'openid' scope. Commit: 2f0b7e51016744d4257cb5f027599ea29900e3f5. - Attempts API: Implements the new Attempts API with feature-flag gated routes, configuration and events controllers, polling/status endpoints, and a presenter for config. Commits: 2600da26af51d2f7dd9ec5059b85de62b1f904c5; 878cda3332140c9ce27e243f526b2476e97ce5b0; 371b260471a54201f8185ea3174be841dcc9af5a. Major bugs fixed: - No major bug fixes documented for this repo in February 2025 data. Overall impact and accomplishments: - Strengthened security posture and governance through enhanced analytics and scope visibility. - Enabled controlled experimentation and rollout with feature flags for the new API. - Improved observability and data-driven decision-making for authentication context and issuer scope coverage. Technologies/skills demonstrated: - Instrumentation and analytics (AAL mismatches), - OpenAPI specification adoption, - Feature-flag architecture and API routing, - API controller patterns and config presentation, - Token validation groundwork and data reporting.

January 2025

3 Commits • 2 Features

Jan 1, 2025

January 2025 monthly summary focusing on security, authentication, and document escrow capabilities across identity services.

December 2024

5 Commits • 2 Features

Dec 1, 2024

December 2024 monthly summary for 18F/identity-idp: Delivered key SAML and OpenID Connect reliability and observability enhancements that improve interoperability, security, and developer experience. Implemented SAML Request Validation Enhancements with certificate checks and allowed certificate-less SP connections under block_encryption='none'. Enhanced SAML analytics with renamed events and broader reporting, plus integration error tracking for richer error context. Performed OpenID Connect Logout Controller Cleanup to fix formatting and improve code readability. These changes reduce support burden, improve security posture, and enhance maintainability through linting and changelog updates, while demonstrating proficiency in SAML/OIDC protocols, analytics instrumentation, and code hygiene.

November 2024

5 Commits • 2 Features

Nov 1, 2024

November 2024 monthly summary for 18F/identity-idp: Focused delivery on reporting accuracy, authentication configuration, and SAML analytics to strengthen security, compliance, and operator clarity. Implemented fixes to ensure accurate protocol reporting and IAL2 usage, enhanced configurability for facial match and ACR values, and expanded analytics with SHA256 support for SAML.

October 2024

4 Commits • 2 Features

Oct 1, 2024

October 2024 (Month: 2024-10) — For 18F/identity-idp, delivered security-focused validations, enhanced authentication context handling, analytics instrumentation, and corrected reporting workflows. These changes improve security, interoperability with external providers, and the reliability of weekly protocol reporting, while providing clearer analytics for token usage.

Activity

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Quality Metrics

Correctness92.2%
Maintainability88.6%
Architecture87.2%
Performance84.8%
AI Usage21.2%

Skills & Technologies

Programming Languages

CSSHTMLJBuilderJSONJavaScriptMJSMarkdownNoneRSpecRuby

Technical Skills

API DesignAPI DevelopmentAPI DocumentationAPI IntegrationAPI SecurityAPI ValidationAPI designAPI developmentAPI integrationAnalyticsAnalytics IntegrationAnalytics TrackingAuthenticationBackend DevelopmentBug Fixing

Repositories Contributed To

3 repos

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

18F/identity-idp

Oct 2024 Jan 2026
16 Months active

Languages Used

JavaScriptRubyYAMLMJSJBuilderRSpecShellHTML

Technical Skills

API IntegrationAnalyticsAuthenticationBackend DevelopmentOpenID ConnectReporting

18F/identity-dashboard

Jan 2025 Jan 2026
5 Months active

Languages Used

HTMLRubyXMLJavaScriptYAMLShellCSSRSpec

Technical Skills

AuthenticationBackend DevelopmentRuby on RailsSAMLFront End DevelopmentFrontend Development

18F/handbook

Jan 2026 Jan 2026
1 Month active

Languages Used

JSONMarkdown

Technical Skills

content managementdocumentationteam collaboration

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