Hello, I'm

Samuel Olamijulo
Taiwo

Mobile Developer | Flutter Specialist

Crafting high-performance mobile experiences with 6+ years of expertise in Flutter development. From banking apps to logistics platforms — I build solutions that matter.

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0+ Years Experience
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0+ Companies Served
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01. About Me

I am a Flutter Developer with over 7 years of experience building secure, high-performance mobile applications for banking, logistics, and productivity sectors.

Skilled in delivering feature-rich apps using Flutter, collaborating remotely with cross-functional teams, and optimizing for user satisfaction in Agile environments.

Committed to delivering high-quality software by applying industry best practices, I'm always seeking opportunities to leverage technical expertise and enhance software development processes.

Tech Stack

Languages

Dart Java JavaScript

Frameworks

Flutter React

Tools & State

Git Azure DevOps GitHub CodeMagic RiverPod Provider GetX Stacked Socket.io

SDKs & APIs

Google Maps OneSignal FCM (Cloud Messaging) Firebase FlutterWave

Databases

SQL Server MySQL SQLite MongoDB

Deployment

App Store Google Play CI/CD

Remote Collaboration

Slack Zoom Jira

02. Experience

Mobile Application Developer

Sterling Bank — Lagos, Nigeria

Feb 2022 — Present
  • OneBank App: Remodeled flagship app, increasing user retention by an estimated 25% through optimizations.
  • OneHuman App: Enhanced productivity app with clock-in and booking features, adopted by over 2000 employees.
  • OneToken App: Replaced legacy mToken app, resulting in over $50K in annual operational cost savings.
  • Specta: Developed loan procurement app, streamlining access for over 10,000 customers.
FlutterAzure DevOpsFirebaseCI/CD

Mobile Application Developer

Purplegates — Lagos, Nigeria

Aug 2024 — Feb 2025
  • Led the full development lifecycle of the "Isuna" mobile application using Flutter, from concept to App/Play Store deployment.
  • Architected responsive UI for tracking financial transactions and health center expenses, improving data clarity.
  • Engineered visual data analytics via interactive pie charts and line graphs for actionable insights.
  • Optimized app performance by implementing real-time updates for high-fidelity reporting.
FlutterChartsFinancial

Mobile Application Developer

Extended Networks — Lagos, Nigeria

Aug 2023 — Oct 2023
  • Collaborated within a cross-functional team to scale and enhance the functionality of an established Flutter app.
  • Developed and deployed a suite of advanced features enriching the user experience and increasing market competitiveness.
  • Maintained high code quality standards through rigorous integration practices within a complex codebase.
FlutterTeam Collaboration

Blog Manager/Admin (Freelance)

Roviels — Lagos, Nigeria

Apr 2019 — Jul 2022
  • Effectively managed user accounts, posts, comments, and blog advertisements using WordPress.
WordPressAdministration

Mobile Application Developer

TGap — Lagos, Nigeria

Jan 2022 — Mar 2022
  • Spearheaded the development of a bill payment solution integrating Flutterwave APIs for secure payment processing.
  • Designed user-friendly interfaces to create a streamlined and intuitive payment experience.
  • Ensured compliance with security standards safeguarding sensitive user data.
FlutterFlutterwavePayments

Web Designer (Freelance)

Dimabs Global Services — Lagos, Nigeria

Jan 2020 — Mar 2022
  • Developed and managed the company's website design utilizing WordPress.
WordPressWeb Design

Mobile Application Developer

Techgrata — Lagos, Nigeria

Oct 2020 — Jan 2022
  • Solely conceptualized, developed, and launched the driver side of the Olage truck booking app using Flutter.
  • Implemented Google Maps, address lookup, and directions for in-app tracking and monitoring.
  • Architected the app using MVC design pattern and implemented Socket.io for in-app messaging.
  • Maintained and enhanced the app directly with the CTO based on user feedback.
FlutterGoogle MapsSocket.ioMVC

03. Portfolio

OneBank App

OneBank

Sterling Bank — Flagship Banking App

FlutterBankingFirebase
Get on Play Store
OneToken App

OneToken

Sterling Bank — Authentication App

FlutterSecurityBanking
Get on Play Store
Specta App

Specta

Sterling Bank — Digital Lending

FlutterFintechLending
Get on Play Store
CeeLo App

CeeLo

Fintech Application

FlutterFintech
Smarta App

Smarta

Smart Financial Tools

FlutterFintechAnalytics
Isuna App

Isuna

Purplegates — Expense Tracker

FlutterChartsFinance
Olage App

Olage

Techgrata — Truck Booking

FlutterGoogle MapsSocket.io

04. Education & Certifications

Professional Diploma in Information Technology

Software Engineering

National Institute of Information Technology (NIIT)

Lagos, Nigeria

April 2017 — April 2020

05. Get In Touch

I'm currently open to new opportunities and exciting projects. Whether you have a question, a project idea, or just want to say hello — my inbox is always open.

Email

taiwoolamijulo.to@gmail.com

Phone

+234 906 867 3491

LinkedIn

linkedin.com/in/olamijulo-taiwo