Senior iOS Developer - Swift, Kotlin Multiplatform & AI Coding

Location: 100% Remote
Employment: Full-time, long-term position
Start date: As soon as possible after selection and agreement
Salary: Based on experience, technical expertise, and level of responsibility

About Us

We are developing a mobile application that combines real-world interactions with location and proximity technologies. Our team uses AI coding tools and autonomous coding agents to accelerate development, improve our engineering workflows, and build practical knowledge across the team.

We are looking for a senior developer who can take ownership of iOS development, deliver reliable software, and help our team become more effective at building applications with AI.

Job Description

We are seeking an experienced Senior iOS App Developer with an excellent background in native iOS development using Swift and SwiftUI, together with practical experience integrating Kotlin Multiplatform into iOS applications.

This is a hands-on engineering role. You will develop and improve our iOS application, integrate shared application logic, solve complex technical problems, and establish effective workflows for AI-assisted and agentic development.

Experience with GPS, Bluetooth Low Energy (BLE), Ultra-Wideband (UWB), or related location and proximity technologies would be particularly valuable.

You will also share your knowledge with our internal team, including mentoring a junior team member who is learning to build mobile applications through AI-assisted development, often referred to as “vibe coding.”

Key Responsibilities

  • Develop, maintain, and improve our native iOS application using Swift and SwiftUI.
  • Integrate Kotlin Multiplatform modules into the iOS application and collaborate on shared business logic.
  • Implement platform-specific functionality while maintaining consistent behavior across iOS and Android.
  • Implement and troubleshoot location and proximity features involving GPS, BLE, UWB, and related device capabilities.
  • Address practical iOS challenges such as permissions, application lifecycle, background execution, battery consumption, and device compatibility.
  • Use AI coding assistants and coding agents extensively to implement features, investigate defects, refactor code, and support testing.
  • Set up and improve agentic development workflows, including task decomposition, project context, automated checks, and review processes.
  • Review and validate AI-generated code, taking responsibility for its correctness, maintainability, security, and performance.
  • Test relevant functionality on real devices and investigate issues that automated tests alone may not reveal.
  • Mentor our junior team member through practical demonstrations, pair programming, and clear explanations.
  • Support application signing, release preparation, and distribution through TestFlight and the App Store.
  • Document important technical decisions and share reusable knowledge with the internal team.

Required Qualifications

  • Demonstrated senior-level experience delivering and maintaining production iOS applications.
  • Excellent practical knowledge of Swift, SwiftUI, and the iOS development ecosystem.
  • Practical experience with Kotlin Multiplatform and its integration into native iOS applications.
  • Solid understanding of application architecture, asynchronous programming, lifecycle management, and state management.
  • Strong debugging skills across application code, shared modules, APIs, and device behavior.
  • Substantial hands-on experience using AI coding tools to deliver working software.
  • A strong interest in agentic coding and the ability to establish effective development workflows around coding agents.
  • The ability to assess AI-generated solutions critically and explain technical decisions.
  • Willingness and ability to teach less experienced team members patiently and clearly.
  • The ability to work independently, communicate progress clearly, and take ownership of results in a remote team.
  • Interest in a long-term, full-time position and availability to start promptly after an agreement is reached.

Especially Valuable Experience

  • GPS positioning, location accuracy, geofencing, and sensor data.
  • BLE discovery, advertising, connections, and proximity detection.
  • UWB ranging, distance measurement, direction estimation, and hardware compatibility.
  • NFC and other device-to-device interactions.
  • Interoperability between Swift and Kotlin Multiplatform, including asynchronous operations and error handling.
  • Building automated development and testing workflows that combine human oversight with coding agents.

What We Offer

  • A fully remote, full-time role with a long-term perspective.
  • Compensation based on your experience, expertise, and responsibilities.
  • Ownership of meaningful iOS development work.
  • The opportunity to shape how our team uses AI and coding agents.
  • Close collaboration with an internal team that wants to learn from your experience.

Remote Working Arrangement

Our remote working setup includes a time-tracking tool that records mouse-click and keyboard-activity metrics and captures screenshots of the screen. This monitoring is part of the working arrangement and will be explained during the recruitment process.

Applicants should be comfortable working with this setup.

How to Apply

Please submit your CV and a short overview of relevant projects.

Include:

  • Your role in developing and releasing iOS applications.
  • Your experience integrating Kotlin Multiplatform into native iOS projects.
  • Any practical experience with GPS, BLE, UWB, or similar technologies.
  • The AI coding tools and agentic workflows you use, with an example of how they helped you deliver a working application or feature.
  • Your experience mentoring junior developers or colleagues learning AI-assisted development.
  • Your earliest start date and salary expectations.

Public portfolio links, App Store references, or GitHub links are welcome where available.

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Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

5. HOW DO YOU PROCESS INFORMATION?

Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...

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