At Ralabs, our passion lies in delivering innovative custom software development services. Founded in 2014 by enthusiastic software engineers in Lviv, Ukraine, we have grown into a team of over 120+ worldwide experts. Our company combines deep technical expertise with transparency to boost the businesses that make a positive difference.
24 вересня 2025

Middle iOS Engineer(part-time) (вакансія неактивна)

віддалено

Hello everyone!

We are looking for a Middle iOS Engineer to join our team and help build and maintain secure mobile app.

Project Idea

We are building a secure mobile app that enables volunteers to accept in-person donations for nonprofit organizations. The app integrates with a Deluxe’s Mobile SDK for payments (Apple’s Tap to Pay on iPhone) to process card-present transactions, supports offline storage and synchronization, and ensures donor and transaction data is securely routed through our backend (AWS-hosted). The iOS application is the primary focus for the first release.

What is the team size and structure?

You’ll be joining a growing team that includes a Senior Project Manager, Senior UI/UX designer, Senior Graphic Designer, Middle QA, working in close collaboration with the client.

How many stages of the interview are there?

— Interview with the Recruiter — up to 30 min.;

— Technical interview — up to 1 hour.

Requirements:

  • 3+ years of experience in IOS engineering;
  • Strong proficiency in Swift;
  • Experience with Deluxe Mobile SDK;
  • Upper-intermediate or higher level of English.

Responsibilities:

  • Develop and maintain the iOS app in Swift, following best practices, testing, and performance optimization.
  • Integrate Apple Tap to Pay on iPhone using the Deluxe Mobile SDK for secure payment processing.
  • Implement secure authentication and token handling with the CrypDonations backend.
  • Build features for donor data capture, offline storage, and synchronization once reconnected.
  • Collaborate with backend engineers to ensure smooth integration of APIs (orders, transactions, refunds).