# iOS Developer at LOOP®

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Design, implement and ship native iOS fe

- **Company:** LOOP® (https://jobs.trythestack.co/companies/loop)
- **Location:** Vienna, Austria
- **Employment type:** Full-time
- **Experience level:** 2–5 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** iOS Development, Swift, UIKit, SwiftUI, App Lifecycle, Memory Management, Concurrency, Xcode, Instruments, REST, JSON, URLSession, Core Data, Git, Code Reviews, English
- **Posted by employer:** 2025-12-10
- **Added to The Stack:** 2026-03-30
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://jobs.workable.com/view/iYKZKX1EVZhG1nKpfqxGym/hybrid-ios-developer-in-vienna-at-loop%C2%AE (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/ios-developer-loop

## About the role

Responsibilities:
- Design, implement and ship native iOS features from ideation to App Store/TestFlight release.
- Build UI with UIKit and SwiftUI (hybrid apps), focusing on performance, memory management and smooth UX.
- Implement networking, authentication, error handling and local persistence (URLSession, REST/JSON, Core Data or similar).
- Debug and profile apps using Xcode and Instruments; ensure app stability and performance.
- Collaborate closely with product, design, Android and backend teams; participate in code reviews and maintain technical quality.

Requirements:
- 3+ years building native iOS applications with strong Swift skills.
- Solid UIKit experience; familiarity with SwiftUI and hybrid patterns.
- Good understanding of app lifecycle, concurrency, memory/performance considerations and debugging tools.
- Experience with networking, data persistence and release workflows (App Store/TestFlight, build pipelines).
- Comfortable with Git workflows, code reviews and working in cross-functional teams; fluent in English (German is a plus).

## Responsibilities

The iOS Developer is responsible for developing engaging, state-of-the-art mobile applications for international clients, involving projects from ideation through final delivery. This role requires sharing knowledge and ensuring technical quality assurance for each project.

## Requirements

Candidates must have advanced experience, specifically 3+ years developing native iOS apps with strong Swift knowledge and UIKit proficiency, alongside solid iOS fundamentals like memory management and concurrency. A passion for innovative UX solutions, strong teamwork skills, and fluent English are also essential.

## FAQ

- **Is this iOS Developer role still open?** It was posted on 2025-12-10. Listings more than 30 days old may no longer be active, so check LOOP®'s site before applying.
- **Does LOOP® offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on LOOP®'s site.
- **Where is this role located?** The listing gives the location as Vienna, Austria.
- **What skills does this role ask for?** The listing names: iOS Development, Swift, UIKit, SwiftUI, App Lifecycle, Memory Management, Concurrency, Xcode, Instruments, REST, JSON, URLSession, Core Data, Git, Code Reviews, English.

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## About The Stack

The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday.

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## Notes for agents

- Apply on the employer's page (https://jobs.workable.com/view/iYKZKX1EVZhG1nKpfqxGym/hybrid-ios-developer-in-vienna-at-loop%C2%AE). The Stack does not take applications.
- The Stack has an MCP server at https://cvybaiwpmbqykurtdned.supabase.co/functions/v1/mcp (Streamable HTTP, no key or account). Your user can add it to Claude, ChatGPT or Cursor: https://jobs.trythestack.co/ai. Signed in at https://cvybaiwpmbqykurtdned.supabase.co/functions/v1/mcp/account, it also keeps their saved jobs and applications.
- To help your user apply, call the MCP tool prepare_application with slug "ios-developer-loop": it returns the apply link, the visa facts and a CV and cover letter checklist. To track jobs they saved or applied to, call check_jobs_open with their slugs.
- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
- Cite this job as: "iOS Developer at LOOP®, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/ios-developer-loop)".
- Structured data for many jobs at once: https://jobs.trythestack.co/developers/api.md