Ayevbeosa Iyamu
Senior Mobile Engineer (Flutter Java Kotlin) at TellerOne
Lagos, Lagos State, Nigeria
Summary
👤
Senior🎓
Top SchoolAyevbeosa Iyamu is a Senior Mobile Engineer with 8 years of experience building high-performance Android and cross-platform apps using Java, Kotlin, Kotlin Multiplatform, and Flutter. He has led mobile initiatives for ride-hailing and fintech products, delivering scalable features that improved UX, reduced load times and crash rates, and supported tens of thousands of active users and transactions. Adept at integrating and optimizing RESTful microservices, he has driven API performance improvements (up to 35% faster) and implemented robust error-retry strategies that cut failed transactions by 20%. He also refactors legacy systems, mentors engineering teams, and automates CI/CD to accelerate releases and reduce maintenance overhead. An active contributor to blockchain tooling, he has made targeted backend improvements to the Parity Polkadot SDK, showing a breadth that spans mobile front ends to low-level distributed systems. Based in Lagos, he combines product-focused delivery with hands-on engineering across the full mobile stack.
8 years of coding experience
4 years of employment as a software developer
Bachelor of Engineering - BE Computer Science, Bachelor of Engineering - BE Computer Science at Federal University of Technology AkureAndroid Developer Nanodegree, Android Developer Nanodegree at Udacity
Stackoverflow
1reputation
0reached
3answers
0questions
Github Skills (14)
substrate10
rust10
pallet10
python10
blockchain10
polkadot9
benchmark9
benchmarking9
polkadot-js9
kotlin6
kotlin-extensions6
kotlin-android-extensions6
flutter6
cocoapods6
Programming languages (9)
Github contributions (5)
paritytech/polkadot-sdk
Jul 2024 - Feb 2025
The Parity Polkadot Blockchain SDK
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 reviews, 2 PRs, 15 comments in 7 months
Contributions summary:Ayevbeosa primarily focused on modifying and improving the `substrate/frame/uniques` pallet by adding field names to `Event` variants, fixing errors, and making adjustments for code formatting. They also updated related benchmarking files. Furthermore, the user implemented changes using `CountedStorageMap` in the pallet-staking module, refactoring code and removing redundant operations. They also contributed to the recovery pallet by creating and implementing benchmarks.
blockchaincumuluspolkadotsubstrate
ifatoki/hng-wonderwoman-task-1
Jun 2020 - Jun 2020
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits, 6 PRs, 1 comment in 1 day
Contributions summary:Ayevbeosa primarily worked on a Python script, adding and modifying a single file to fulfill a stage 2 task. Their contributions included initializing the script with a "Hello World" message, updating the ID format, adding an email address and fixing a minor stylistic issue. The main focus of the task was to create a basic Python program that fulfilled the task requirements.
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