Daniel Kilders

Senior iOS Developer

Building beautiful, functional iOS experiences with Swift and SwiftUI. Focused on creating apps that are not just useful, but delightful to use. Scaling apps to tens of thousands of users while keeping Apple App Store ratings above 4.8 ⭐️

Portrait of Daniel Kilders sitting by a lake in a park
App Store

Building Exceptional iOS Apps

Shipped products
8
App Store rating
+4.8

I've been independently developing iOS apps that combine modern design, technical depth, and a clear sense of user value.

From first concept to App Store launch, I've taken on every part of the process. Product thinking, UX design, development, and post-launch iterations.

Creating apps that blend thoughtful design, modern tech, and business sense has become my specialty, and my pride. These experiences have made me a faster, more intentional contributor to any product team.

Independent Projects

Apps I've designed, built and shipped on my own, from the first sketch to the App Store.

  • Two iPhones showing Bamboo's history of logged sleep, feeds and diapers behind the home screen with a panda family illustration and the next feed timer New

    Bamboo

    Baby Tracker

    A little calm for your growing family. A cozy, offline-first baby tracker. Sleep, feeds, diapers and growth logged in two taps, with widgets, Live Activities, a prenatal mode and family sync.

    • SwiftUI
    • SwiftData
    • WidgetKit
    • Live Activities
    • App Intents
  • Two iPhones showing Bottomline's transaction list and monthly budget overview

    Bottomline

    Budget Planner

    A modern budget planning app with expense tracking, savings goals and privacy first.

    • SwiftUI
    • SwiftData
    • Swift Charts
    • CloudKit
  • Three iPhones showing SwiftStudy flashcards, a deck of European capitals and a study streak

    SwiftStudy

    Flashcards Learning

    An interactive flashcard app with spaced repetition learning algorithms and study analytics.

    • SwiftUI
    • CloudKit
    • Animations
  • Northlight's feedback analytics dashboard shown on a laptop

    Northlight

    Feedback Analytics Platform

    SDK + dashboard that turns in-app feedback into roadmap gold. Native iOS/Android SDKs with React Native and Flutter coming soon.

    • Next.js
    • iOS SDK
    • Android SDK
    • TypeScript
  • Zeno

    Coming Soon

    A HealthKit companion app that helps users visualize their vitals and achieve their weight goals.

    • SwiftUI
    • HealthKit
    • Swift Charts
    • Gen AI

    In development

Company Projects

Apps I've helped build and ship as part of product teams.

  • Walby app screen floating over a city map with good-action markers

    Walby

    Social Impact Network

    Social network to map your good actions in the world, connecting communities through positive impact.

    • Swift
    • SwiftUI
    • Apollo
    • GraphQL
    • MapBox
    • Apple Maps
  • BeyondBuild logo

    BeyondBuild

    Smart Home Management

    App to manage your home's IoT devices, from entry door to blinds, all in one place.

    • Swift
    • SwiftUI
    • REST API
    • Zigbee
  • Three iPhones showing lastminute.com search, a Lisbon itinerary and the itinerary planner

    lastminute.com

    Travel Booking Platform

    App to book your flights, hotels and holiday packages, serving millions of travelers worldwide.

    • Swift
    • SwiftUI
    • UIKit
    • React Native
  • Two iPhones showing a Qixxit train booking paid with Apple Pay

    Qixxit

    Multimodal Travel Booking

    App to book multimodal travel transport. Book bus and airplane tickets in one tap.

    • Swift
    • UIKit
    • Apple Maps
    • Apple Pay

Stuff I've worked with

Languages

  • Swift
  • TypeScript
  • Python
  • GraphQL

Mobile

  • SwiftUI
  • Android
  • Flutter
  • React Native

Web

  • React
  • Next.js
  • Tailwind CSS
  • Apollo

Backend

  • FastAPI
  • PostgreSQL
  • Supabase
  • Docker

Tools

  • Xcode
  • Git
  • GitHub Actions
  • Vercel
  • AWS
  • Figma

AI

  • OpenAI
  • Anthropic

Like what you see?

Just shoot me an email or a DM and I'll respond as soon as I can.