Shamim Shahrier Emon

Native Android Expert | 10+ yrs Experience | Kotlin, Jetpack Compose, Hilt | TDD Advocate | Top 10 Contributor – Mozilla's Thunderbird Android

[Shamim Shahrier Emon @emon9891]

🚀 3️⃣ contributions merged into Mozilla Thunderbird Android! Refactored settings & migrated key classes to Kotlin. Cleaner, safer, future-ready code.
PR-1: https://t.co/qMU2aZUCvV
PR-2: https://t.co/na3c135CUb
PR-3: https://t.co/oykxOtrJAJ

#OpenSource #AndroidDev #Kotlin #Thunderbird

[Shamim Shahrier Emon @emon9891]

A past project taught me the hard way: adding VAT & discount logic directly to product classes makes code messy. The Visitor Pattern solved it.

Check out the detailed Kotlin example: https://t.co/Zzmgiw4okI

#Kotlin #DesignPatterns #VisitorPattern #CleanCode #SoftwareEngineering

[Shamim Shahrier Emon @emon9891]

Exploring the Mediator pattern in Kotlin: centralize interactions, cut class dependencies & build scalable, maintainable code. 🛠️

https://t.co/mCqTHKWuAX

#Kotlin #AndroidDev #DesignPatterns #CleanCode #SoftwareArchitecture #Fintech #ProgrammingTips #CodeBetter

[Shamim Shahrier Emon @emon9891]

Grateful to be ranked #9 contributor to @mozilla’s #ThunderbirdAndroid! 🐦📱
Been showing up since Oct, one commit at a time.
Open source is about persistence, growth & building together.
Proud to be part of this journey. 🙌
🔗 https://t.co/ObTKX318fc
#OpenSource #AndroidDev #Mozilla #Thunderbird #PrivacyFirst #DevCommunity #Android #FOSS

[Shamim Shahrier Emon @emon9891]

Just published a blog on one of my favorite design patterns lately: Chain of Responsibility 🧵

Perfect for writing clean, decoupled, and flexible code.
I explained it with a simple real-life example!
🔗 https://t.co/094a4qd3mK

#AndroidDev #Kotlin #DesignPatterns #CleanArchitecture #Programming #SoftwareEngineering #CleanCode

[Shamim Shahrier Emon @emon9891]

Just got another PR merged into Mozilla's Thunderbird Android!
Migrated isHideUserAgent to PreferenceDataStore, improving modularity, SRP, and maintainability.
Grateful to contribute to such an impactful OSS project! 🛠️🦉
🔗 https://t.co/aySPcRGQsp
#AndroidDev #OpenSource #Kotlin #Jetpack #Mozilla #Thunderbird #CleanArchitecture #DevCommunity

[Shamim Shahrier Emon @emon9891]

Sometimes the best code is the one you never need to change. 💡
Explore the Command Design Pattern in Kotlin, flexible, undoable actions made easy!
🔗 https://t.co/jMChD7YI08

#AndroidDev #Kotlin #DesignPatterns #CleanCode #SoftwareEngineering

[Shamim Shahrier Emon @emon9891]

🚀 3 of my PRs just got merged into Mozilla's Thunderbird Android!
Honored to contribute to such a respected open-source project.
✅ PR1: https://t.co/rQuEA6EVXm
✅ PR2: https://t.co/meFCw1ry29
✅ PR3: https://t.co/ruVlr7Khte

Shoutout to the amazing reviewers! 🙌 #AndroidDev #OpenSource #Mozilla

[Shamim Shahrier Emon @emon9891]

🎉 Excited to share that 5 of my PRs got merged into Mozilla Thunderbird Android!
Contributing to open source has been a rewarding learning journey. 🙌
Check them out:
1️⃣ https://t.co/OY7kYvjvlq
2️⃣ https://t.co/9XM95gn9Uw
3️⃣ https://t.co/rKhvFzFdVd
4️⃣ https://t.co/CRYm7DNpQ0
5️⃣ https://t.co/lubVujkhm0

#OpenSource #AndroidDev #GitHub_TechLovers #kotlin #Java

[Shamim Shahrier Emon @emon9891]

Just had 3 PRs merged into Mozilla’s Thunderbird Android repo! 🧡
Feels surreal to contribute to a project I’ve admired for years.
Open source is more than code — it’s growth, community & purpose.
PRs:
🔗 https://t.co/WNkqu1vg4Q
🔗 https://t.co/v9YlopEgCs
🔗 https://t.co/52UwtyXbBQ
#OpenSource #Mozilla #Thunderbird #AndroidDev #Coding #Developer #TechCommunity #OSS #Contribution #SoftwareEngineering

[Shamim Shahrier Emon @emon9891]

🚀Just published a new 𝐌𝐞𝐝𝐢𝐮𝐦 blog on the 𝐒𝐭𝐚𝐭𝐞 𝐃𝐞𝐬𝐢𝐠𝐧 𝐏𝐚𝐭𝐭𝐞𝐫𝐧 🚀
If you've ever juggled too many if-else/when checks based on state, this one's for you.
🔗Link: https://t.co/XTrGB2Yrhd
Would love to hear your thoughts!

#Kotlin #DesignPatterns #AndroidDev #CleanCode #Medium #TechBlog

[Shamim Shahrier Emon @emon9891]

🚀 Thrilled to share that 2 of my PRs got merged into Mozilla's Thunderbird Android! 🎉
These contributions are preparation towards migration from XML-Jetpack Compose in Apps Account Settings screens with the new preference system.
Huge thanks to the Thunderbird team for the amazing collab! 🙌
🔗 https://t.co/D00lGPWFTH
🔗 https://t.co/BJdXiExJWH
#AndroidDev #JetpackCompose #OpenSource #Mozilla

[Shamim Shahrier Emon @emon9891]

🎉 Excited to share that 2 of my PRs have been merged into Mozilla's Thunderbird Android! 🚀

1️⃣ Added SwitchPreference to the new Jetpack Compose-based prefs system
🔗 https://t.co/fpWnFg9o9t
2️⃣ Migrated the legacy account module to modern code
🔗 https://t.co/zKB6sT5m7n

Huge thanks to the Mozilla community! 💙 #AndroidDev #OpenSource #JetpackCompose

[Shamim Shahrier Emon @emon9891]

🚀 Just published a new article: "Strategy Design Pattern in Kotlin"

Learn how to write flexible, clean, and maintainable code using this powerful design pattern. Perfect for both beginners & seasoned devs!

👉 https://t.co/4v84fJANSr

#Kotlin #DesignPatterns #AndroidDev #CleanCode

[Shamim Shahrier Emon @emon9891]

🚀 Two of my PRs just got merged into Mozilla Thunderbird Android!

🐞 Fixed a bug: Sharing multiple images from the gallery only selected the last one.
PR: https://t.co/OhMyVkqu9A
🧪 Added Robolectric tests to make sure it stays fixed.
PR: https://t.co/NDQOuIKuqu
Proud to contribute to such a great open-source project!
Check out my work 👉 https://t.co/l9KPrQbTIm

#AndroidDev #OpenSource #Mozilla #Thunderbird

[Shamim Shahrier Emon @emon9891]

🎉 My PR to Mozilla's Thunderbird Android just got merged!

Fixed a tricky bug: "Cannot disable New mail notifications", which led to deeper architectural changes + Robolectric tests.

Grateful to the Mozilla community!
PR 👉 https://t.co/1J3liYErQo
Let’s connect if you’re into #OpenSource! 🤝

#AndroidDev #Mozilla #Kotlin #Jetpack #TechCommunity

[Shamim Shahrier Emon @emon9891]

🚀Excited to share that my recent PR to 𝐌𝐨𝐳𝐢𝐥𝐥𝐚's 𝐓𝐡𝐮𝐧𝐝𝐞𝐫𝐛𝐢𝐫𝐝 𝐀𝐧𝐝𝐫𝐨𝐢𝐝 has been merged.

In this PR I have resolved 2 bugs regarding navigation drawer:

1️⃣Unified Inbox Not Showing Up.

2️⃣ Navigation Drawer Selected Item Appearance Not Changing.

Contributing to open-source is always a rewarding experience, specially in project that is trusted and used by millions. I'm excited to keep contributing and enjoying every moment of the journey.

In-case you're curious, here is the PR: https://t.co/DMnUliwB0S

#AndroidDevelopment #OpenSourceContribution #ThunderbirdAndroid #JetpackCompose #Kotlin #BugFixes #UIUX #MobileDevelopment #AndroidDev #DeveloperCommunity #Mozilla

[Shamim Shahrier Emon @emon9891]

🚀 Excited to share that my recent contribution to Mozilla’s Thunderbird Android project has been merged! 🎉
I fixed a bug in the new navigation drawer for nested folder hierarchies.
Huge thanks to the team! 🙌

🔗 https://t.co/wOTAKltV6u

#AndroidDev #OpenSource #Mozilla #Thunderbird #JetpackCompose #Kotlin #Android #DevCommunity

[Shamim Shahrier Emon @emon9891]

Really excited to share that 3 of my pull requests have been merged into Mozilla’s Thunderbird Android project! 🎉📱

Contributing to such a historic open-source project has been an amazing journey — from diving deep into the codebase, understanding new patterns, learning from awesome maintainers, to finally seeing my work merged. 🚀

Here are the PRs if you’re curious:
🔗 https://t.co/FL4hKVUQML
🔗 https://t.co/xnVBvX0IV8
🔗 https://t.co/dtdLA1WQU1
This experience reminded me why I love open source so much — you grow, you learn, and you get to be part of something bigger than yourself. 🙌
Huge thanks to the Thunderbird team for the smooth reviews and support. Can’t wait to contribute more! 🔥
If you’re thinking about contributing to open source, just go for it. It’s so worth it. 💬💻

#OpenSource #AndroidDev #AndroidDevelopment #MobileDev #Mozilla #Thunderbird #Kotlin