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iOS Developer

Rounds

Rounds

Software Engineering
Poland
Posted on Feb 19, 2026

iOS Developer

  • Engineering
  • Poland
  • Senior
  • Full-time

Description

iOS Developer

[Freelance, Full-time, Remote GMT+0/GMT+4]

SNEAK PEEK

⇨ Location: Remote, GMT+0/GMT+4

⇨ Interview process: HR interview ⇨ take-home challenge ⇨ technical discussion ⇨ final interview ⇨ offer

⇨ Contact: For questions please reach out to: hr@rounds.com

WHO ARE WE?

At Rounds, we believe in harnessing the power of cutting-edge technology to drive business success. Our transformative, machine-learning technology identifies and optimizes mobile assets, while our team of experts, with their unparalleled human capital and business acumen, provides the strategic direction and support to turn mobile assets into profitable businesses. Together, we are revolutionizing the mobile industry. Learn more about us at www.rounds.com.

THE ROLE

We are looking for a highly experienced iOS developer passionate about iOS development to help build and scale our iOS apps portfolio. In this role, you will assist our R&D team in creating, coding, testing, and maintaining various iOS apps using the latest technologies, including AI tools. You will work closely with other team leads, developers, and QA testers, using the Agile methodology and a quality-first approach.

Hiring manager: Roie Shimon Cohen, iOS Team Leader

[https://www.linkedin.com/in/roie-shimon-cohen-77a6a025/]

RESPONSIBILITIES:

  • Collaborate with cross-functional teams to define app specifications, design, and architecture
  • Implement best practices in app development, UI/UX, and coding standards
  • Monitor app performance, troubleshoot issues, and optimize for efficiency.

Requirements

WHAT ARE WE LOOKING FOR?

Must-have:

  • 5+ years of experience developing iOS apps
  • Experience with UIKit and SwiftUI
  • Proficiency in Swift
  • Expertise in multithreading and memory management
  • Familiarity with commonly used iOS components and libraries
  • Solid understanding of mobile advertisement and IAP
  • Proven track record of developing apps released on App Store (100,000+ downloads)
  • Excellent communication skills in both written and verbal English

Nice-to-have:

  • Experience with Objective-C
  • Experience with Flutter

INTERESTED?

Our recruitment process consists of the following steps:

  • HR interview: ~30 min.
  • Take-home challenge
  • Technical discussion with our Hiring Manager and Senior iOS Developer: ~60 min.
  • Final interview with Director of Mobile, Core: 60 min.

Get in touch at hr@rounds.com. We’d love to hear from you!