Muazu A.

Mobile Developer

Full-time available

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Bio

Muazu A is an accomplished React Native Engineer with over 6 years of experience designing and delivering scalable, high-performance mobile applications. He combines deep technical expertise in React Native, full-stack development, and AI-driven solutions with proven leadership in guiding teams from ideation to product launch. Muazu has successfully led mobile and web engineering efforts at companies like Ebanqo, Topship, and Koyo Nation, consistently improving user engagement, retention, and performance metrics. As

  • Projects completed4
  • Hourly rate
  • 4+ years experience
  • Member since Sep 2025
Expertise
ReactTypescriptReact NativeNextJSNodeJSSwiftJavascriptJavaObjective-CCSSDatabase:RelationalDatabase:DocumentSQLAWSGitGraphQL
Video Intro
Assessments

General Coding and Video Assessment

Great score on Book Availability Checker for Library Web Application, Difficulty Medium · Great score on Debugging a JavaScript Mortgage Payment Calculator for Real Estate Applications, Difficulty Easy · Great score on Manage State in Large React Native Applications, Difficulty Medium · Great score on Optimize Performance in E-commerce React Native Application, Difficulty Medium

Projects

Topship App

International & local logistics platform Link to play store: https://play.google.com/store/apps/details?id=com.topship Link to App Store: https://apps.apple.com/ng/app/topship/id1643993775

eBanqo for Business

Conversational engagement platform Link to Playstore: https://play.google.com/store/apps/details?id=com.ebanqocustomerserviceapp&hl=en&gl=US Link to App store: https://apps.apple.com/ng/app/ebanqo-for-business/id1559207547

Raum Africa

Short-term rental/property management & booking Link : get links to both apps on both stores here: https://raum.africa

Loopscribe

AI-powered note-taking app Link to Play store: https://play.google.com/store/apps/details?id=com.loopscribe Link to App store: https://apps.apple.com/us/app/loopscribe/id1667459726

Experience
  1. Senior React Native Engineer

    Topship AfricaFeb 2024Present
    • Re-architected app to Bareflow, serving 30K monthly users across 200+ countries, and implemented offline-first sync via React Query.
    • Developed ExoPlayer native bridge and background geolocation uploads; improved delivery-tracking accuracy from 60% to 98%.
    • Delivered 92% test coverage on core flows (Jest, RNTL, Detox), reducing nightly crash rate by 45%.
    • Mentored four mid-level engineers, introduced Clean-architecture patterns and Redux Toolkit modules.
    ReactReact NativeZustandTypescriptRedux ToolkitReact Native CLI & EXPOAiKotlinSwiftxcodeAndroid studiogit & GithubJiraSentryCryptozodReact queryFastlaneOTA UpdatesJestNode.js
  2. Lead React Native Engineer

    Ebanqo Inc.Sep 2022Feb 2024
    • Used Profiling mechanisms to improve lagging and performance issues on lower phones, achieving 15 fps startup on 2 GB-RAM Android and 40% lower buffer times.
    • Integrated AppFlyer + Firebase funnels, driving a 25% MoM increase in referral installs.
    • Established LaunchDarkly feature-flagging & A/B tests, lifting engagement by 12%.
    • Automated CI/CD with GitHub Actions + Fastlane + Bitrise; slashed release cycle from 48 hrs to 3 hrs and cut regressions by 50%.
    React NativeTypescriptRedux toolkitZustandFastlaneReactNext jsSwiftKotlinJest
  3. Lead Mobile Engineer

    Koyo NationNov 2020Sep 2022
    • Launched client dashboard with WebSocket chat, cutting support tickets by 50% and raising DAU by 18%.
    • Implemented MVVM/Clean standards, linting & pre-commit hooks—boosted SonarQube quality score by 30%.
    • Integrated Crashlytics & Segment, enabling real-time error tracking and usage dashboards.
    React Native Cli & ExpoReactTypescriptRedux toolkit
  4. Co-Founder & CTO (Full stack engineer ) React Native heavy

    CentiivDec 2019Dec 2024
    • Delivered RN crypto-wallet with MFA and on-device encryption, achieving SOC-2 readiness and 99.8% uptime.
    • Built Node.js + WebSocket services for instant transaction updates, halved settlement latency.
    • Contributed to open-source RN crypto libraries.
    ReactReact NativeNext jsTypescriptMetamaskWalletConnectweb3 connectivity on mobileReduxAndroid profiler
  5. React/React Native developer

    Cyclos MartJan 2018Nov 2019
    • Increased app reliability by 70% via targeted bug fixes and memory optimization with Hermes & MMKV.
    • Streamlined Play Store/App Store releases using Fastlane & Bitrise—reduced deployment friction by 60%.
    React NativeReactReduxTypescriptgit & github
Education
  1. BSc, Mathematical Sciences

    Federal University Lokoja, NigeriaNigeria2014 — 2018
  2. Diploma in Software Engineering

    DecagonLagos, Nigeria2020 — 2020
  3. Scrum Certified

    ScrumStudyRemote2021 — 2021
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