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Hi! I'm Rob, a freelance Apple platforms developer with 10+ years of experience building native apps for organizations that demand quality, security and scale. I build and maintain apps that millions of people rely on, from the Dutch COVID notification app to the NOS news platform. I take ownership of the full technical scope: architecture, testing, CI/CD, accessibility and App Store delivery.…

Rob Mulder

App Developer, App Store Optimization Specialist

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Hi! I'm Rob, a freelance Apple platforms developer with 10+ years of experience building native apps for organizations that demand quality, security and scale. I build and maintain apps that millions of people rely on, from the Dutch COVID notification app to the NOS news platform. I take ownership of the full technical scope: architecture, testing, CI/CD, accessibility and App Store delivery.…

Available to hire

Hi! I’m Rob, a freelance Apple platforms developer with 10+ years of experience building native apps for organizations that demand quality, security and scale. I build and maintain apps that millions of people rely on, from the Dutch COVID notification app to the NOS news platform. I take ownership of the full technical scope: architecture, testing, CI/CD, accessibility and App Store delivery.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Dutch

Fluent

German

Advanced

Work Experience

Developer at NOS

November 1, 2023 - Present

From November 2023 till 2026 I was part of the NOS app team, responsible for the Netherlands' most-used news application. I contributed to major live events including the European Championship, the Olympic Games and the Tour de France in 2024, and the Olympic Winter Games in 2026. I migrated significant parts of the app from UIKit to SwiftUI and resolved numerous bugs across the codebase.

Developer at Jeugdjournaal - NOS

April 1, 2023 - November 1, 2023

From April 2023 till November 2023 I was part of the scrum team that rebuilt the Jeugdjournaal app from scratch. I developed and tested the iOS app using SwiftUI, Kotlin Multiplatform, unit tests and snapshot tests.

Developer at CoronaMelder Project

April 1, 2020 - July 1, 2022

From April 2020 till July 2022 I worked for the Ministry of Health on the CoronaMelder project. We built the app from scratch with an iOS team of 2 to 3 developers. The app was used by over 2 million people.