Jesus C.

Mobile Developer

Jesus is a Senior iOS Engineer with over six years of experience creating native, customer-facing applications. He specializes in Swift, UIKit, SwiftUI, and modern Apple frameworks, applying scalable architectural patterns to deliver robust solutions.

He has led the technical design and implementation of complex products from concept to App Store release, focusing on code quality, performance, and maintainability.

Jesus is recognized for his expertise in clean architecture and SOLID principles, mentoring junior engineers, and guiding teams to deliver reliable, end-to-end mobile solutions.

Main expertise

  • Mobile 7 years
  • iOS
    iOS 7 years
  • Swift
    Swift 7 years

Other skills

  • Dart
    Dart 2 years
  • Flutter
    Flutter 2 years
  • JavaScript
    JavaScript 1 years
Jesus

Jesus C.

Germany

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Selected experience

Employment

  • Senior iOS Engineer

    Neybox - 7 months

    Neybox builds Pillow, a leading sleep-tracking app for Apple devices.

    • Contributed to new features and UX improvements across iPhone, iPad, and watchOS.
    • Enhanced watchOS integrations and optimized data flows for sleep-tracking features.
    • Maintained code quality and supported ongoing improvements for a high-traffic consumer app.

    Technologies:

    • Technologies:
    • UI
    • UX
    • iOS iOS
    • Swift Swift
    • Figma Figma
    • UIKit UIKit
    • MVVM MVVM
    • SwiftUI SwiftUI
    • Linear Linear
  • Senior iOS Engineer

    Senior iOS Engineer - 1 year 6 months

    Fisher & Paykel Healthcare is a leading global manufacturer specializing in medical devices and systems for respiratory care, acute care, and the treatment of obstructive sleep apnea.

    • Designed the mobile system architecture integrating iOS apps with cloud backends and BLE peripherals.
    • Built PoCs using Kotlin Multiplatform to share business logic across Android and iOS.
    • Implemented the full iOS codebase using SwiftUI and clean architectural patterns.
    • Led, mentored, and supported junior mobile developers.
    • Conducted A/B tests and user interviews to validate product hypotheses and improve patient experience.
    • Coordinated design, development, and QA tasks aligned with stakeholder goals.

    Technologies:

    • Technologies:
    • Android Android
    • iOS iOS
    • Swift Swift
    • Figma Figma
    • UIKit UIKit
    • Firebase Firebase
    • MVVM MVVM
    • Scrum Scrum
    • Azure Cloud Azure Cloud
    • Solution Architecture
    • SwiftUI SwiftUI
    • BLE BLE
  • Software iOS Engineer

    Dormakaba - 3 years

    The dormakaba Group is a globally leading provider of smart & secure access solutions. World leader in engineering, research, and development services.

    • Conceived, developed, and launched multiple high-quality IoT applications from scratch for the App Store.
    • Spearheaded the development and launch of new iOS applications for cloud-based digital twin access solutions (IoT) in 2018.
    • Managed maintenance of existing apps from analysis through deployment.
    • Provided ongoing support and mentored new colleagues within the iOS team.
    • Developed complex integrations across cloud, firmware, and mobile technologies.
    • Performed system analysis to identify gaps and ensure seamless end-to-end integrations.
    • Consistently delivered projects on time, demonstrating strong project management skills.
    • Managed Apple certificates and developer accounts, contributing to the development and support of internally developed SDKs.
    • Implemented BLE communication between iOS apps and hardware devices.

    Technologies:

    • Technologies:
    • iOS iOS
    • Swift Swift
    • Figma Figma
    • UIKit UIKit
    • Firebase Firebase
    • MVVM MVVM
    • Bitbucket Bitbucket
    • SwiftUI SwiftUI
    • BLE BLE
    • Fastlane Fastlane
  • Software Android Engineer

    TalentoMobile - 1 year 1 month

    FinTech / InsurTech company that offers mobile first technology solutions.

    • Spearheaded the development and launch of new Android applications and managed the maintenance of legacy apps.
    • Delivered high-quality, defect-free applications across financial, insurance, and telecom domains.
    • Consistently met project deadlines across all engagements.

    Technologies:

    • Technologies:
    • Sketch App Sketch App
    • Java Java
    • Android Android
    • Figma Figma
    • Kotlin Kotlin
    • MVVM MVVM
    • Scrum Scrum
    • REST API REST API
  • Mobile Engineer Intern

    Holvi - 4 months

    Holvi is a Finnish digital banking platform for entrepreneurs and small businesses.

    • Supported the mobile team in enhancing features for the Holvi Android banking app.
    • Developed an end-to-end invoice-recognition feature using QR codes.
    • Contributed to e-commerce and payments functionalities.
    • Gained hands-on experience building customer-facing financial apps in an agile environment.

    Technologies:

    • Technologies:
    • Java Java
    • Android Android
    • iOS iOS
    • Kotlin Kotlin
    • Scrum Scrum

Education

  • BSc.Computer Science

    University of Hradec Kralové · 2018 - 2019

  • BSc.Computer Science

    Polytechnic University of Madrid · 2015 - 2019

Portfolio

  • Pillow - 1
  • Pillow - 2
  • Pillow - 3

Find your next developer within days, not months

In a short 25-minute call, we would like to:

  • Understand your development needs
  • Explain our process to match you with qualified, vetted developers from our network
  • You are presented the right candidates 2 days in average after we talk

Not sure where to start? Let’s have a chat