Publication
Top 10 Most Common Android Development Mistakes
https://www.toptal.com/android/top-10-most-common-android-development-mistakes
Ivan is available for hire
Hire IvanIvan Dimoski
Verified Expert in Engineering
Lead Android Developer
Location
Stockholm, Sweden
Toptal Member Since
December 11, 2013
Ivan is a seasoned lead software engineer and system architect with over 14 years of expertise in Android (Java/Kotlin) and 3+ years in Flutter (Dart/full stack). He excels in crafting scalable, performant, and user-centric applications, fostering collaboration in agile environments, and empowering team members to excel. Ivan is dedicated to continuous learning, personal growth, and embodying mindfulness, compassion, and empathy in his work.
Portfolio
Tradera
Kotlin, Android, Node.js, Android Jetpack, A/B Testing, Git, Code Review...
Truecaller
Kotlin, Android, AOSP, Team Leadership, Remote Team Leadership...
PlanNow Technologies
Android
Experience
Availability
Part-time
Preferred Environment
Android, Flutter, Dart, Kotlin, Firebase, Google Cloud
The most amazing...
...thing I've built is a full bookkeeping solution for accountants. The solution runs on mobile, web, and desktop with practically zero costs.
Work Experience
Senior Software Engineer
2020 - 2023
Tradera
- Served as a consultant and senior software engineer in a high-performing, product-focused team responsible for delivering the best user experience in Sweden's biggest circular marketplace and sustainable shopping app.
- Transitioned from legacy Java to 100% Kotlin codebase with modern app architecture using Jetpack Compose, MVVM, Coroutines, and Flows.
- Improved stability and achieved 99.7% crash-free users over a 7-day period.
- Increased the Google Play rating from 3.5 to 4.7 stars.
- Set up test automation pipelines for JUnit and Firebase Test Lab.
- Introduced automated weekly releases and managed publishing.
- Exposed app APIs from the Node.js back end using TypeScript.
Technologies: Kotlin, Android, Node.js, Android Jetpack, A/B Testing, Git, Code Review, Android Studio, Agile, Technical Leadership, Continuous Integration (CI), Coroutines
Team Lead | Senior Software Engineer
2015 - 2020
Truecaller
- Acted as team lead and senior software engineer for one of the world's most downloaded, used, and loved caller ID utility apps, with 1+ billion downloads, 350+ million active users, and a 4.5-star rating.
- Led a cross-functional team of 17 people focused on delivering the best messaging experience.
- Introduced QA@Speed, a 32% faster app delivery process with no impact on existing quality benchmarks.
- Led the transition from a few to 32 isolated modules to optimize build speed and decrease code coupling.
- Created custom AOSP patches to integrate Truecaller as the default dialer app for multiple phone manufacturers.
- Developed TrueSDK, a lightweight and easy-to-use single sign-on solution.
- Contributed to the company's values and their integration into the culture.
Technologies: Kotlin, Android, AOSP, Team Leadership, Remote Team Leadership, Cross-functional Team Leadership, Engineering Management, App Development, Agile, Technical Leadership, Coroutines
Lead Android Developer
2012 - 2014
PlanNow Technologies
- Optimized Mobile Survey, one of the most expensive apps on Android, for on-site surveys and network analysis. Improved heatmap/area coverage and route rendering.
- Created the 1st phase of Shortlist.fm, a Twitter-like Android app for content and media sharing. Implemented full server communication with JSON with Gson manual data caching for reducing network call overhead.
- Developed the Android app for Vuact.com, a powerful video analytics platform. Handled network operation implementation using the Volley framework and the image caching/processing implementation using the Picasso library.
- Created Salama Documents, an Android app for secure document storage in rural African areas, as part of a Stanford University humanitarian project.
- Created Salama Documents Admin Panel, a Java Tapestry web application serving as a backbone to the Salama Document project. Implemented account management, operator-to-region mapping, credential management, new version notification, and device tracking.
Technologies: Android
Android Developer
2012 - 2012
ITgma
- Created a hybrid tracking app for a network operator using the Android JavaScript interface in WebView. Implemented the ability to sign in, view account details, and check available credit or current balance.
- Created a native Android app for real-time embedded soundboard diagnostics and graph tracking. Implemented the I2C protocol via the USB port. Compiled .dll (Windows) drivers as a .so library (Linux) to allow the code to work on Android.
- Laid out the initial architecture and screen layouts for AEK's (Macedonian Agency for Electronic Communication) phone book and calculator apps.
Technologies: Android, Android NDK
Experience
Dreamseer
https://dreamseer.app/Dreamseer is a revolutionary app that bridges the gap between dreams and reality with cutting-edge technology. It is a stunning Flutter app (iOS/Android) that lets users journal their dreams. It offers deeper insights into their subconscious and its evolution over time with clever natural language processing and innovative use of generative AI technologies for text, image, sound, video, and more.
I worked as a technical architect and lead Flutter developer for Kinta. My duties included architecting and developing the front-end solution and modeling the data to ensure consistency, performance, and scalability, all while ensuring the users get a consistent, beautifully designed application with smooth animations and ease of use that makes Dreamseer stand out from the competition.
I worked as a technical architect and lead Flutter developer for Kinta. My duties included architecting and developing the front-end solution and modeling the data to ensure consistency, performance, and scalability, all while ensuring the users get a consistent, beautifully designed application with smooth animations and ease of use that makes Dreamseer stand out from the competition.
Kinta
https://kintaapp.com/A 100% Flutter/Dart, end-to-end solution for individual accountants or small to medium-sized accounting companies consisting of:
• A client app (iOS, Android, and web) for overview and management of entries and handling invoices;
• A back-office app (web) for overview and management of entries, clients, and data export;
• An admin app (internal and web) for overview and management of companies, invoicing, billing, and analytics;
• A landing page and checkout process.
I worked as a technical architect and lead full-stack developer for Kinta. My duties included architecting and managing the entire platform, making sure users get a consistent premium experience across all platforms while ensuring costs of operations are as predictable and as low as possible.
• A client app (iOS, Android, and web) for overview and management of entries and handling invoices;
• A back-office app (web) for overview and management of entries, clients, and data export;
• An admin app (internal and web) for overview and management of companies, invoicing, billing, and analytics;
• A landing page and checkout process.
I worked as a technical architect and lead full-stack developer for Kinta. My duties included architecting and managing the entire platform, making sure users get a consistent premium experience across all platforms while ensuring costs of operations are as predictable and as low as possible.
TweetsPie
https://thenextweb.com/news/tweetspie-redesigned-android-twitter-people-really-dont-timeTweetsPie was a utility app built on top of Twitter's API that selected the best tweets from the user's timeline and presented them in an improved format with easy access to retweet, quote, favorite, or reply. The app was featured on TNW (The Next Web).
Skills
Languages
Kotlin, Dart, Java
Frameworks
JUnit, Flutter
Tools
Android Studio, Git, GitHub, Android Jetpack, Google AI Platform, Android NDK
Paradigms
Agile, App Development, Mobile Development, Continuous Integration (CI)
Platforms
Firebase, Android, Web, iOS
Storage
Google Cloud
Other
Coroutines, A/B Testing, Team Leadership, Technical Leadership, Remote Team Leadership, Code Review, Software Engineering, Information Technology, Cross-functional Team Leadership, Engineering Management, AOSP, Google Cloud ML, ChatGPT, OpenAI
Libraries/APIs
Node.js
Education
2007 - 2011
Bachelor's Degree in Information Science and Computer Engineering
Ss. Cyril and Methodius University - Skopje, Macedonia
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