Senior Mobile & Full-Stack Engineer
Building production-grade digital products that solve real problems.
I build mobile apps, APIs, and data-informed platforms for fintech, retail, GPS intelligence, enterprise systems, and emerging AI-powered products.
8+ Years Experience
1M+ Users Reached
Flutter
React Native
Node.js
AWS
8+
Years
Senior engineering experience
1M+
Users
Products used at scale
15+
Builds
Mobile, API, web, and enterprise platforms
Global
Teams
Fintech, retail, Defense, Health tech and more
View all projects →
PalawanPay
Secure fintech mobile app serving millions of users for payments, remittance, and financial services.
Flutter
Fintech
Payments
Security
Harvey Nichols
Luxury retail mobile experience for a global brand with loyalty, e commerce, and personalized shopping.
Flutter
E commerce
Loyalty
Analytics
Sicuro Tracker
Mission-critical GPS intelligence and tracking platform built for resilience, governance, and secure field operations.
GPS
Real-time
Security
Mobile Applications
Cross-platform apps using Flutter, React Native, Android, iOS, Firebase, analytics, notifications, and app store delivery
APIs & Backend Systems
Robust APIs and backend systems using Node.js, Drupal, PHP/Laravel, REST APIs, authentication, databases, and cloud deployment.
Data & AI-Informed Products
Predictive models, data analytics, intelligent workflows, reporting systems, and decision-support tools that drive better outcomes.
Engineer, Builder.
Problem Solver.
I’m Josiah Awa-ao, a senior mobile and full-stack engineer with 8+ years of experience building apps, APIs, and digital platforms across fintech, retail, CMS marketplaces, health tech, and enterprise systems.
My work combines practical engineering, product thinking, and data analytics — from mobile banking systems to real-time tracking platforms and AI-informed products.
Flutter
React Native
Dart
Node js
Express js
Laravel
PHP
Firebase
AWS
MySQL
Git
Signature Disciplines
Core Disciplines
Deliver refined, high-precision engineering across multiple disciplines—crafting mobile, websites, and API systems for companies that demand excellence.
Mobile Development
Bespoke mobile applications engineered with meticulous architecture, seamless cross-platform design, and performance refined to a premium standard.
Web Development
Premium web experiences built with meticulous engineering, premium design principles, and a seamless balance of performance and aesthetics.
API Development
High-precision, scalable API systems engineered with impeccable architecture, seamless integrations, and security refined to an elite standard.
How I Build Excellence
The Process Behind Every Build
Discovery & Architectural Blueprinting
Deep-dive into your vision, define requirements with precision, and craft a technical blueprint that aligns engineering with business impact.
High-Precision Engineering & Build
Products are developed with meticulous attention to architecture, performance, and aesthetics—ensuring a seamless and premium user experience.
Refinement, Launch & Long-Term Stewardship
Polish every detail, deploy with stability, and continue supporting, scaling, and optimizing your system to preserve excellence over time.
Have Questions?
Frequently Asked
Questions
What types of products have you built?
I’ve built high-impact products across fintech, luxury retail, GPS intelligence, wearable health tech, and enterprise mobile platforms.
I’m drawn to projects that push innovation—creating solutions that rethink what’s possible.
Do you accept freelance or external projects?
I take on external projects very selectively—only when the product is innovative, challenging, and aligned with my expertise.
If it’s a transformational problem, I consider it.
What is your role in most projects?
I operate as a senior/lead engineer, shaping architecture, engineering key features, and integrating complex systems alongside product and design teams.
How do teams usually work with you?
I typically collaborate through roles within successful international companies, integrating into established product teams and elevating engineering standards, architecture, and overall execution.
What makes you different as a developer?
What sets me apart is precision. I build with clarity, scalability, and refined engineering detail. I take on work that is ambitious and impactful, no matter the sector, as long as it presents an interesting technical challenge.
Are you open to collaboration or consulting?
Yes, selectively. I collaborate on projects that meet my level of craftsmanship and push toward innovative or category-defining outcomes.
Seeking technical assistance?
Having trouble locating the information you desire? Contact us for a personalized discussion.