jnJamil Nawaz
Available for contracts now

Mobile apps, built and led properly.

Contract iOS & Android engineer and former Engineering Manager. 16+ years shipping apps for banks, betting and consumer brands, I can build the app, or lead the team that does.

Book an intro call →What I do
Previously atBarclaysFlutter InternationalAccenture

What I do

Outside IR35 · Remote / Leeds
01

Mobile app development

Native iOS (Swift, SwiftUI) and Android (Kotlin, Compose) — greenfield builds, feature work, or rescuing a codebase that has drifted.

Swift · Kotlin · SwiftUI · Compose
02

Fractional engineering lead

Interim or part-time leadership for mobile teams: hiring, ways of working, delivery cadence and getting releases unstuck.

Hiring · Delivery · Coaching
03

Technical audits

A focused review of architecture, CI/CD, test coverage and release process — with a prioritised plan you can act on.

1–2 weeks · Written report

Tech Stack

Native first, cross-platform where it pays off
iOS · since Obj-C days

Swift

Native iOS from Objective-C through to SwiftUI, including banking-grade apps at Barclays.

SwiftUI · UIKit · Combine · XCTest
Android · since KitKat

Kotlin

Modern Android with Jetpack Compose, coroutines and clean, modular architecture.

Compose · Coroutines · Hilt · Gradle
Cross-platform

React Native

One codebase for both platforms, with native modules where performance matters.

TypeScript · Expo · Native modules
Shared logicCurrent focus

Kotlin Multiplatform

Share business logic between iOS and Android and keep each UI fully native.

KMP · Ktor · SQLDelight · Compose MP
// testimonials

Engineer by trade, manager by experience.

“Jamil is natural to the role and a great mediator between conversations. He focused on improving the team's efficiency, ways of working and let employees be comfortable to speak and demonstrate their skills. His ability to work through a crisis and develop new ways to achieve targets was always inspiring.”
Filipe DiasFlutter International
“Jamil is very focused on what he does because he believes in doing things right from the beginning. He even conducted training sessions for newly joined employees. I would recommend Jamil as an adept iOS Developer.”
Sumit GurelaAccenture

Writing

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Available for contracts now

Got an app to build or a team to steady?

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