I am a software engineer with over 10 years of experience building mobile, web, and cloud-based products for startups and enterprises.
I am a software engineer with over 10 years of experience building mobile, web, and cloud-based products for startups and enterprises. I enjoy turning complex requirements into practical, scalable solutions and leading cross-functional teams to deliver high-quality software on time.
I thrive in fast-paced environments and love mentoring others, sharing knowledge, and contributing to open-source and education projects.
A showcase of my Full Stack development Skills. EVBuddy is a full stack web app showing public electric vehicle chargers in the UK on a map. Uses publicly available data acquired from charging point operators.
Built using ReactJS, Javascript, MapboxGL and NodeJS / Serverless. Hosted on AWS via S3, Route 53, Cloudfront, CloudWatch, Lambdas & Certificate Manager
Available to try out [here](https://www.twine.net/signin
A showcase of my Apple Development Skills. Chill Videos is a whitelabel video player app for tvOS and VisionOS showing a collection of looped videos, overlaying music using the latest Apple engineering practices. The videos are available for offline use.
Available as a Looped Christmas Video App called [Christmas Chill](https://www.twine.net/signin and a Looped Ocean View App called [Ocean Chill](https://www.twine.net/signin
In 2025 Christmas Chill was amongst the first apps available on the Apple Vision Pro App Store. In recognition of this I recieved an email from Apple’s VP of Worldwide Developer Relations, Susan Prescott, to thank me for being part of the launch.
Built using Xcode, Swift 6, SwiftUI, UIKit, Observation Framework.
Responsible for the technical direction and hiring of an Android team of 6 contractors and permenent staff across Europe for a theatre ticketing and indoor food delivery app with an industry leader. Delivered the 1 st iteration of the app in 13 months, and within 3 months achieved a Google Play rating of 4.9 stars and contributed to gross revenue of 2.5M. Setup the app using a modular approach, using MVVM as the architecture of choice. Used the latest Android tools (Kotlin 2, Jetpack Compose, Retrofit / Okhttp, Apollo Kotlin, Room, Ktlint, Detekt, Hilt, New Relic, Firebase, Roborazzi, JUnit, Jetpack Compose UI Test, Espresso) and AWS Technologies (AWS Lambda, CloudWatch, SQS). Set up the release process to support beta releases for different audiences (stakeholders, technical) using JIRA Releases, GitHub Actions, Firebase App Distribution, and Google Play Developer Console.
Built a whitelabel loyalty payments solution in collaboration with Visa, Launching a bespoke Rewards Credit Card for Harley Davidson and Frasers Group, a company partner. Provided Technical Leadership to a multi-disciplinary team across Europe (Product, Design, Backend) to prevent Fraudulent transactions and enable payments via QR codes for Frasers Group, a company partner. Tools used include Kotlin, XML Views, Jetpack Compose, Firebase, Jenkins CI
Delivered the 1 st The Body Coach Senior Android Engineer iteration of the app. The app won Google Play Best App of 2022 within UK and Australian markets. Slashed company spending by seamlessly bringing platform and app development in house. The platform served 120k users at the time. Increased subscription conversion by 10% implementing a redesign of the app paywall using RevenueCat. Raised the profile of the company internationally by running a workshop at App Builders 2022 in Ascona, Switzerland. Created the companies first wearOS wearable prototype by measuring heart rate whilst a workout is played via the mobile app. Advanced company partnerships by developing app integration with Strava. Worked using Android, Kotlin, XML Views, Retrofit, Apollo GraphQL, Koin, ExoPlayer, Firebase, AWS Amplify
As an AWS Certified Architect I have been independently verified that I have a a comprehensive understanding of AWS services and technologies.
As an GCP Certified Professional Cloud Architect. I have been independently verified to enable organizations to leverage Google Cloud technologies.
Post a job and invite Darryl, or contact them directly. No hidden commission.
