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Omar Hatem

PROFILE

Omar Hatem

Omar Ismail developed and maintained the cake-tech/cake_wallet repository, delivering over 100 features and nearly 70 bug fixes across 18 months. He engineered multi-chain wallet support, integrated Lightning Network and hardware wallets, and streamlined cross-platform builds for Android, iOS, and desktop. Using Dart, Flutter, and CI/CD pipelines, Omar improved transaction reliability, onboarding flows, and security processes, while refactoring code for maintainability and release hygiene. His work included API integrations, blockchain connectivity, and robust error handling, resulting in a stable, extensible wallet platform. Omar’s contributions addressed both user-facing features and backend infrastructure, demonstrating depth in full stack mobile development.

Overall Statistics

Feature vs Bugs

60%Features

Repository Contributions

281Total
Bugs
68
Commits
281
Features
101
Lines of code
154,097
Activity Months18

Your Network

32 people

Work History

April 2026

1 Commits • 1 Features

Apr 1, 2026

April 2026 - cake-tech/cake_wallet: Delivered a feature upgrade and dependency alignment to support Cake Wallet 6.0.4 and torch_dart, enhancing stability and user-facing improvements. No major bugs fixed this month. Impact: improved release readiness, compatibility with the latest Dart/Flutter dependencies, and reduced upgrade risk. Technologies demonstrated: Dart/Flutter dependency management, reproducible builds via hash alignment, and traceable commits.

March 2026

12 Commits • 6 Features

Mar 1, 2026

Mar 2026 monthly performance highlights for cake_wallet: substantial delivery of Lightning Network integration for Bitcoin wallets, major UI/UX overhauls aligned with new design mockups, and stability enhancements across Electrum/Lightning, MWEB, and cross‑platform builds. The period also includes deprecation of legacy exchange providers, and ongoing improvements in logging, error handling, and currency formatting to support safer, diagnosable crypto transactions.

February 2026

4 Commits • 2 Features

Feb 1, 2026

February 2026: Delivered a robust v5.9.0 Release Candidate for cake_wallet with multi-chain enhancements and targeted stability improvements. Implemented Binance Smart Chain integration, added Monero nodes, and optimized token prefetching to speed up user flows. Expanded Jupiter swaps capabilities by removing limits for non-Solana swaps and improving Zcash QR-based restoration, while addressing critical reliability issues. Localized improvements (Japanese) and cross-platform build stabilization further enhanced onboarding and international usability. Overall, this release increases supported assets, improves reliability, and accelerates onboarding for a broader user base.

January 2026

14 Commits • 4 Features

Jan 1, 2026

January 2026 performance summary for cake_wallet (cake-tech/cake_wallet). Focused on delivering core wallet enhancements, improving connectivity reliability, hardening security processes, and stabilizing the UI/UX across platforms. The month combined feature delivery with targeted bug fixes to reduce risk and improve business value for end users.

December 2025

30 Commits • 7 Features

Dec 1, 2025

December 2025 (cake-tech/cake_wallet) focused on stability, quality, and onboarding improvements, delivering value to users and reducing maintenance risk. Key features delivered and changes include CI/CD enhancements for external contributors, tests and debugging workflows that improve developer efficiency, and release readiness with multiple version bumps and fix batches. Key features delivered: - CI and workflow improvements to enable external contributors to run CI on maintainer approval (#2718). Commits: 009b3a1f2325a2aa82b8305963e2e1a75876713f; 9b706263a88f61c5cc2614a9a23834cfce3dd53d. - Test suite additions/improvements and debugging workflow enhancements to raise test coverage and troubleshooting capabilities. Commits include: test and debugging workflow related changes (e.g., 94bd3cae727f034d16d65c234a82c78fc1d46bb8; 0731d2de926c3e3f3f07afc275e9d9825d844573; 8504288610d51b3e857a7b342f838724e221c96e; 56748ebe9cde2431502e3e650fa4300e46b3d8fe) and multiple debugging-flow commits (6eefbbee0b076d93e89c771b6bc5cad2e22f345e; 7dc665a67f469572a1fb8d30c98c86685176891d; 96490b0af43942782842dcc7004b8f5ea2b2a10f; 7abd82c12837a2e5ef3957124441f649807e2a7a; dc4a3eef6b2b5c097214ab9c0d55cad1db219f60; 85e746b6755b3634d2a5cf1c0219e9111a8e868c; 045bc0aaae94027f7440fb5c8750f5558bcb03d0; caf1e4694b3bb4a65a960ba0fe01417d2ef18288; 05bffff1fc146ecfe91c507a421806455e8b0b95; 701b167aeb62bdbd3ace03593420aedb319ae5d7a) - Release readiness: version bumps to 5.6.1, 5.6.2, and 5.6.3 with notable fixes included in 5.6.3 (QR restore fix, backup fix, Birdpay fix). Commits: d788a844a53a877b8def0d5479dfd3c14f923bd5; 42fcc9465b67f5385545332741166d759cd5b6be; 1844405a439d9b9a2fdf4ad5e375d88cae55c83a. Major bugs fixed: - Chinese Translation Fix: Corrected translations and wording in locale files (commit 4f4181736107877b19732e9ca1fdb3e241834475). - QR restore fix: Fixed restoring from QR (commit 13a56574f4b97bafa2bc37ca94888cec28d82413). - Database retention on iOS: Fixed database getting deleted on iOS (commit aea855d0232f3d4cc60237b2c2bef5cbe4dc98cb). - Proper socket closure: Ensure socket closes correctly on onDone callback (commit 3579d8c61fb01bc393a1dff7e7fcff6ca118ee8e). - CW1291 ledger fixes: Robust fixes for CW1291 hardware wallet flows (commit 6c12ed157d934fd224590bb1f4d6a6e527b5e19d). - Miscellaneous fixes: Reown connection exception ignored when appropriate; wallet name check sequencing improvements; minor fixes across the batch. Overall impact and accomplishments: - Increased stability and reliability for end users through targeted bug fixes across iOS data handling, QR flows, and hardware wallet interactions. - Improved developer productivity and onboarding via CI enhancements and a broader, more phrasable test and debugging workflow suite. - Accelerated release readiness with timely version bumps and consolidated fixes that reduce risk in production. Technologies/skills demonstrated: - Localization engineering and quality assurance for international users. - CI/CD optimization and workflow automation, including external contributor support. - Test automation, expanded coverage, and debugging workflow design. - Cross-platform stability improvements (iOS data handling, sockets) and hardware wallet integration. - Release management, versioning, and changelog-oriented communication.

November 2025

2 Commits • 1 Features

Nov 1, 2025

November 2025 monthly summary for cake-wallet focused on reliability and data integrity in payment flows. Delivered a flexible crypto payment methods handling feature and fixed a critical wallet address selection bug for deposits. These changes reduce order-processing errors when optional payment methods are missing and ensure correct wallet routing based on deposit currency, improving customer experience and operational stability.

October 2025

15 Commits • 9 Features

Oct 1, 2025

October 2025 monthly summary focusing on key accomplishments, major features delivered, and reliability improvements across the cake_wallet repository. Delivered core feature work enhancing scalability, asset support, and platform stability, with notable progress in unbounded swaps, extended asset support, hardware wallet UX, and release readiness for 5.5.x. Strengthened security and reliability through node SSL enablement, gRPC version updates, and comprehensive UI lifecycle safety improvements. The month focused on increasing business value through higher trading capacity, safer operations, improved release discipline, and clearer guidance for upcoming releases.

September 2025

16 Commits • 4 Features

Sep 1, 2025

September 2025 monthly summary for cake-wallet. Focused on delivering platform-ready features, hardening reliability, and enhancing user onboarding. Highlights include cross-platform release readiness for v5.4.x with synchronized versioning, release notes, and build metadata; exchange capability improvements with LetsExchange and xStock integration, a capped swap size, and removal of deprecated ThorChain; UI/UX robustness fixes; onboarding enhancements such as initial Ethereum tokens and Dogecoin icon mapping; and improved resilience for asset info API handling.

August 2025

17 Commits • 7 Features

Aug 1, 2025

August 2025 monthly summary for cake_wallet (cake-tech/cake_wallet). Focused on delivering v5.2.0 readiness with Ledger desktop support, UI/connectivity enhancements, and improved wallet restore flow, while strengthening robustness and expanding asset support. Major work spanned feature delivery, reliability, UX improvements, and developer workflow enhancements that create business value for desktop users and multi-asset support.

July 2025

19 Commits • 5 Features

Jul 1, 2025

July 2025 milestone: delivered a set of stability, compatibility, and readiness improvements for cake_wallet, focusing on platform readiness, API robustness, and user experience, while reducing surface area and accelerating release readiness for 5.1.2.

June 2025

6 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary for cake_wallet (cake-tech/cake_wallet): Key bug fixes, release readiness activities, and codebase cleanup delivered with clear business value. Notable outcomes include improved transaction failure messaging with direct support contact, RC preparation for v5.1.0 including API key differentiation for Monero vs general Cake Wallet, Nano node URI update, and version bumps to 5.1.1 across platforms, plus removal of an unused UI component to streamline maintenance.

May 2025

19 Commits • 3 Features

May 1, 2025

May 2025 monthly summary for cake_wallet repository focusing on end-user features, stability, and release readiness.

April 2025

31 Commits • 13 Features

Apr 1, 2025

April 2025 (cake_wallet) — Delivered UX simplifications, reliability enhancements, and release readiness across the wallet product. Key outcomes include disabling SimpleSwap in the Swap flow to streamline user experience, fixing critical transaction checks and UI bugs, and advancing cross-platform support and observability. The team prepared v4.25.0 RC and subsequent release candidates, cleaned branding, and reinforced security for scam token handling and whitelisted tokens.

March 2025

21 Commits • 6 Features

Mar 1, 2025

In March 2025, cake_wallet delivered notable platform improvements with a focus on expanding asset support, strengthening reliability, and refining user experience. Key deliveries include the Decred integration and removal of Haven, a release readiness push with an RC for 4.23.3 and a version bump to 4.24.0, and a suite of bug fixes that improve feedback and stability across wallet operations. These changes reduce support friction, enhance security UX, and position the product for broader adoption.

February 2025

11 Commits • 5 Features

Feb 1, 2025

February 2025 monthly summary for cake_wallet: This month focused on delivering a stable RC-ready release, enhancing wallet visualization, expanding API integrations, and tightening reliability across platforms. Key business value was achieved through a candidate release with user-facing features, improved asset display, and more robust error handling and API alignment.

January 2025

21 Commits • 8 Features

Jan 1, 2025

Month 2025-01 – Cake Wallet (cake-tech/cake_wallet) performance highlights focused on reliability, security, and readiness for upcoming releases. Delivered several user-facing features, stabilized core flows, and improved developer efficiency through targeted fixes and polishing. Key features delivered: - Disable mweb coins for exchanges to simplify and harden trading options (commit 5ea44323...; #1919). - Add Chainflip exchange provider to expand supported liquidity (commit 9cda2c99...; #1807/#1970). - Zano with passphrase support to enhance security for sensitive transactions (commit df3a26dc...; #1971). - Release candidates prepared for 4.22.1 and 4.23.0 to accelerate validation and rollout (commits: d1c45a53...; 141a7ebf...). - Settings migration awaiting during startup to streamline onboarding when migrations run (commit 55005f8b...; #). Major bugs fixed: - Mobx issue fixed to restore stable state management (commit f2bdb324...; #1922). - Revert fix for unavailable balance refreshing after app open (commit 0ebfd671...; #1920). - Fix sending SPL token issues to improve reliability of token transfers (commit 52e20e1a...; #1924). - UI/UX improvements: unfocus fields when tapping exchange or button to reduce UI glitches (commits 24c96edc... and 2fb07dd5...; #1989, # skip ci). - Numerous small fixes across the batch to polish behavior and consistency (471a2af5..., 206c7159...; #). - Addressed navigation and messaging polish (drawer remains open; error message wording; logo quality improvements) (commits a936345b..., 96921d57..., 1ce66566...). - Bug fixes around Zano-specific flows: empty comments on Zano transactions and duplicate error popups (f90b171d..., 1c070488...; #1987, #1991). - Rename Quantex to SwapTrade across UI to improve clarity and reduce confusion (commit ef377fb5...; #1990). Overall impact and accomplishments: - Increased stability and reliability of core wallet flows (state management, balance refresh, error handling). - Expanded and stabilized exchange integrations (Chainflip) and security features (Zano passphrase). - Improved onboarding and UX consistency (focus behavior, error messaging, navigation) contributing to better user experience and lower support demand. - Prepared the product for release readiness with RC processes (4.22.1, 4.23.0). Technologies/skills demonstrated: - Advanced state management debugging (MobX) and Flutter-like patterns in the wallet codebase. - Release engineering, RC planning, and CI considerations (skip ci markers, release candidate commits). - UI/UX polish, error handling improvements, and internationalization/consistency through name changes (Quantex to SwapTrade). - Security hardening (Zano with passphrase) and token transfer reliability (SPL tokens).

December 2024

27 Commits • 11 Features

Dec 1, 2024

December 2024 monthly summary for cake-wallet: Delivered enhancements across build infrastructure, CI, security, and platform support with a focus on reliability and business value. Major features and improvements include cross-platform build setup for macOS and Linux, Android manifest baseline alignment, CI/testing enhancements, and URL/pipeline quality improvements. A release candidate for the v4.22.0 line was prepared, enabling earlier validation and faster time-to-market. Security hardening and performance/stability work were also completed through SSL improvements and caching robustness.

November 2024

15 Commits • 7 Features

Nov 1, 2024

In November 2024, cake_wallet delivered a focused set of reliability, security, and deployment improvements that strengthened transaction integrity, security posture, and release readiness for a major v4.21.0 cycle. Core enhancements stabilized user flows, reduced risk in data persistence, and streamlined CI/CD operations, enabling faster and safer releases across the Android wallet.

Activity

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Quality Metrics

Correctness86.2%
Maintainability86.6%
Architecture82.6%
Performance82.6%
AI Usage22.4%

Skills & Technologies

Programming Languages

ArbBatchfileCC++CMakeDartFlutterGoGradleInno Setup

Technical Skills

API IntegrationAddress ResolutionAddress ValidationAndroidAndroid DevelopmentAndroid developmentAsset ManagementAsynchronous ProgrammingBackend DevelopmentBackend IntegrationBitcoinBlockchainBlockchain DevelopmentBlockchain IntegrationBug Fixing

Repositories Contributed To

1 repo

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

cake-tech/cake_wallet

Nov 2024 Apr 2026
18 Months active

Languages Used

ArbC++CMakeDartGradleKotlinObjective-CShell

Technical Skills

API IntegrationAndroid DevelopmentBackend DevelopmentBackend IntegrationBlockchainBuild Automation