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Nuno Vieira

PROFILE

Nuno Vieira

Nuno Vieira developed and maintained advanced chat features for the GetStream/stream-chat-swift and stream-chat-swiftui repositories, focusing on reliability, extensibility, and user experience. He engineered solutions such as message delivery status, read receipts, and robust draft handling, leveraging Swift, SwiftUI, and Core Data to ensure seamless real-time communication. His work included backend integration for features like location sharing and push notification preferences, as well as UI enhancements for avatars, polls, and message attachments. By addressing edge cases, optimizing performance, and expanding test coverage, Nuno delivered maintainable, production-ready code that improved both developer workflow and end-user satisfaction.

Overall Statistics

Feature vs Bugs

47%Features

Repository Contributions

188Total
Bugs
73
Commits
188
Features
64
Lines of code
52,429
Activity Months15

Work History

January 2026

2 Commits

Jan 1, 2026

Month: 2026-01 — Concise monthly summary highlighting key features delivered, major bugs fixed, overall impact, and technologies demonstrated across the GetStream repositories GetStream/stream-chat-swift and GetStream/stream-chat-swiftui. Business value focused: improved platform stability, smoother user experience in chat flows, and maintainable code improvements validated by tests.

December 2025

5 Commits • 3 Features

Dec 1, 2025

December 2025 monthly summary: Delivered customer-facing features, UI consistency improvements, and build stabilization across GetStream/stream-chat-swiftui and GetStream/stream-chat-swift. The work focused on enhancing poll UX, standardizing avatar rendering, improving iPad Split View usability, and addressing build/asset stability to reduce release risk. Business value was realized through smoother user interactions, consistent visuals, and more reliable CI pipelines, enabling faster delivery and better maintainability.

November 2025

22 Commits • 7 Features

Nov 1, 2025

Month: 2025-11 Concise monthly summary focusing on business value and technical achievements across the two GetStream repositories: stream-chat-swift and stream-chat-swiftui. Delivered features that improve user experience, reliability, and performance, with a strong emphasis on streaming UX polish, media capabilities, and developer experience. Overall impact: Enhanced end-user trust through visible delivery/read receipts, improved profile customization, and more robust chat interactions. Reduced test flakiness, memory footprint, and crash surface, enabling smoother adoption of new features. Technologies/skills demonstrated: iOS Swift, SwiftUI, dependency management, backend UI linkage, testing reliability, audio session handling, performance optimizations, and SDK refactoring.

October 2025

14 Commits • 4 Features

Oct 1, 2025

Month: 2025-10. Delivery-focused sprint across GetStream/stream-chat-swiftui and GetStream/stream-chat-swift delivering developer-friendly API surfaces, UX refinements, and stability improvements that reduce friction for end users and downstream apps. Highlights include enhancements to LinkAttachmentView, broader MediaAttachment exposure, UX tap-to-dismiss behavior for overlays, and per-user message deletion, complemented by a set of targeted bug fixes that stabilize unread behavior, poll handling, and draft management.

September 2025

19 Commits • 7 Features

Sep 1, 2025

September 2025 delivered meaningful improvements across stream-chat-swift and stream-chat-swiftui, focusing on UI polish, reliability, and developer ergonomics. Key features include push notification preferences, NewLocationInfo initializer exposure, and a markdown formatter open interface, alongside gallery header timestamp display. Major bug fixes addressed rendering, threading, attachment handling, and UX edge cases, resulting in a more robust chat experience and smoother workflows for developers and end users.

August 2025

24 Commits • 3 Features

Aug 1, 2025

August 2025: Focused on reliability, performance, and API usability across GetStream/stream-chat-swift and GetStream/stream-chat-swiftui. Key outcomes include robust logout semantics preventing session inconsistencies, a major LivestreamChannelController overhaul with improved reconnects and in-memory state accuracy, UI performance gains from chat reactions rendering optimization, stabilized video playback in Gallery view, and corrected channel filtering for blocked vs non-blocked channels. These workstreams delivered tangible business value through more consistent session handling, smoother real-time UX, and more accurate data-driven behaviors, with ongoing dependency management and API surface improvements in SwiftUI components to reduce integration friction.

July 2025

18 Commits • 9 Features

Jul 1, 2025

July 2025 summary across GetStream/stream-chat-swift and stream-chat-swiftui focused on delivering security-conscious features, stabilizing UI and data synchronization, and enabling richer notifications and customization. Key improvements span push notification capabilities, accurate unread/read state handling, and UX enhancements in both Swift and SwiftUI clients, backed by dependency upgrades and architecture refinements to reduce maintenance overhead and improve performance.

June 2025

8 Commits • 3 Features

Jun 1, 2025

June 2025 focused on delivering high-value features, stabilizing messaging reliability, and aligning pre-release versioning across two GetStream repos (stream-chat-swift and stream-chat-swiftui). Major features delivered include Message Reminders and Location Sharing (Static & Live), complemented by UI configurability for channel list dividers. Key bugs fixed improved message publication reliability and versioning signaling for pre-release builds. These efforts enhance user engagement, data integrity, and developer workflow, supported by tests and dependency updates.

May 2025

10 Commits • 2 Features

May 1, 2025

May 2025 monthly summary: Key features delivered, major bugs fixed, and impact across GetStream/stream-chat-swift and GetStream/stream-chat-swiftui. Focused on business value, reliability, and extensibility with architecture improvements and tests.

April 2025

22 Commits • 7 Features

Apr 1, 2025

April 2025 monthly summary for GetStream chat SDKs (swiftui and swift). Delivered high-impact features, stabilized core flows, and improved performance across both repositories. Focused on user experience, permissions, accessibility, and backend compatibility.

March 2025

7 Commits • 2 Features

Mar 1, 2025

March 2025 performance snapshot for GetStream projects. Delivered cross-platform enhancements, strengthened drafting UX, and stabilized state management across stream-chat-swiftui and stream-chat-swift. The work reduced platform friction for end users, improved messaging reliability, and demonstrated strong engineering discipline across image processing, draft lifecycle, and state synchronization.

February 2025

3 Commits • 2 Features

Feb 1, 2025

February 2025: Delivered key features and reliability fixes across GetStream/stream-chat-swift and stream-chat-swiftui, focusing on preserving user work, data integrity, and moderation tooling. The work emphasizes business value by reducing friction, safeguarding unsent content, and enabling faster moderation workflows.

January 2025

12 Commits • 7 Features

Jan 1, 2025

January 2025 delivered substantial business value through code cleanup, UI/UX enhancements, API improvements, and robust thread/reactions features across the Stream chat SwiftUI and Swift SDKs. Highlights include removing dead code to simplify maintenance, aligning the composer command view with the app theme, exposing a public surface for default MessageActions to empower developers, and implementing reactions pagination to improve data loading and user experience. Thread action visibility improvements reduce UI clutter and lifecycle fixes in thread handling contributed to more stable conversations. Together, these efforts reduce maintenance costs, improve user satisfaction, and demonstrate strong Swift/SwiftUI capabilities, theming, API design, and test coverage.

December 2024

6 Commits • 2 Features

Dec 1, 2024

December 2024 — Focused on reliability, performance, and documentation workflow improvements across GetStream/stream-chat-swift and GetStream/stream-chat-swiftui. Delivered a fixed reconnection timeout during token provider phase, standardized documentation/PR workflows with YAML forms, accelerated search, and improved thread-footnote rendering for uncached parents, driving better user experience and maintainability.

November 2024

16 Commits • 6 Features

Nov 1, 2024

November 2024 performance summary for GetStream repositories: stream-chat-swift and stream-chat-swiftui. Delivered key features, reliability fixes, accessibility improvements, and maintenance updates that collectively increase chat reliability, UX quality, and testing flexibility, enabling faster time-to-value for apps using the Stream Chat SDK. Key achievements: - Chat reliability and UI stability fixes (stream-chat-swift): Resumed chat connections after guest foreground/background transitions and fixed Channel List search bar visibility. Commits: 7d7145b6702d5545ea0fb8c153edfe609bf44e87; 4b87a3e466ed1df06982e7c7992ab819c04999c1. - Channel member extra data support and premium member visualization (stream-chat-swift): Added storage/retrieval of extra member data, partial updates, querying, and premium member visualization. Commit: db89cf7ef89906ff2ad3fab0d6010516032e2e0a. - Moderation v2 support and App Key configuration (stream-chat-swift): Added moderation v2, App Key configuration for the demo app, enhanced moderation payload, and API key switching for testing. Commit: dcab8982e1abe1b2d0a865657f197dda6d6e25e9. - Permission-based UI gating and access controls in SwiftUI (stream-chat-swiftui): Hide attachment picker when lacking upload permission and hide Add Users button in ChannelInfoView without update-channel-members permission. Commits: 7fef38547145c9d7710cda77832a0ad6039c4e35; b1a685a7599f7e3e3ab67e5f2e0204213577dffc. - UI polish, accessibility, and maintenance across SwiftUI/Swift: Long-press stability improvements, voice recording button public API, link attachment preview gating, poll theming in dark mode, and general maintenance (dependencies, tests, changelog). Commits include: c7f7f37ac80a7ec0ea17760f13ed0be35eae1860; c414e88e682b5dcb762532053496b9326cbfe9d8; b2d67a96dd5675786e3709affa4d42ed07a4e2c5; 7b0bd5cb2a6702ccb945bd3565307206bfcd9f50; 0cd688c5b87424ce51426b4aa5a2cb70bf0eeeda; 5b54303452f48af3718a7d000317b4c2ac26b317; e261b9c7cc0f3d2c7a37784e8f5ec9b2f1c184ed; 32d4b7e0caa288da3bd88039f771b5b5474ddc42; a90073dc231dbebca4efb0c7b927ec2d6b424c48. Impact: - Improved reliability for guest users and overall chat UX, reducing churn and support overhead. - Enhanced data model for channel members enabling richer member insights and monetization-ready visuals for premium members. - Safer test and deployment workflow via moderation v2 and API key switching. - Better governance and user experience in SwiftUI modules through permission-aware UI and accessibility improvements. - Ongoing maintenance and theming consistency ensuring a polished, enterprise-grade experience across platforms.

Activity

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Quality Metrics

Correctness93.6%
Maintainability90.8%
Architecture87.0%
Performance87.8%
AI Usage21.6%

Skills & Technologies

Programming Languages

MarkdownObjective-CSwiftXMLYAML

Technical Skills

API DesignAPI IntegrationApplication Lifecycle ManagementAttachment HandlingAudio PlaybackAudio ProcessingAuthenticationBackend DevelopmentBackend IntegrationBackground Location UpdatesChat Application DevelopmentChat DevelopmentChat SDKChat SDK IntegrationChat SDKs

Repositories Contributed To

2 repos

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

GetStream/stream-chat-swiftui

Nov 2024 Jan 2026
15 Months active

Languages Used

MarkdownSwiftObjective-C

Technical Skills

Chat SDKCocoaPodsDependency ManagementDocumentationGesture HandlingMobile Development

GetStream/stream-chat-swift

Nov 2024 Jan 2026
15 Months active

Languages Used

Objective-CSwiftMarkdownYAMLXML

Technical Skills

API IntegrationBackend IntegrationData ModelingMobile DevelopmentObjective-CSwift

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