This is a fully remote position as a full time Colombia employee paid in COP. This requires a minimum of a B1 English comprehension, please be sure to apply with your English CV.

About us
At Blankfactor, we are dedicated to engineering impact. We build high-quality tech solutions for companies looking to innovate and grow—especially in fast-moving industries like payments, banking, capital markets, and life sciences.

As a Senior/Lead iOS Mobile Engineer, you will design, develop, and maintain high-quality iOS applications that deliver exceptional user experiences. Working in a collaborative, agile environment, you'll partner with cross-functional teams to translate business requirements into scalable mobile solutions while driving technical excellence through modern iOS development practices.

Key Responsibilities
Design, develop, and maintain high-quality iOS applications using Swift, Objective-C, UIKit, and SwiftUI.
Translate business requirements into scalable, reliable, and user-friendly mobile solutions.
Define and implement mobile architecture, including MVVM,



to promote maintainability, performance, and scalability.
Integrate with backend services using GraphQL and REST APIs, ensuring efficient networking and data management.
Implement secure mobile features, including biometric authentication, secure keychain storage, deep linking, and wallet integrations where applicable.
Write and maintain unit and integration tests, following test-driven development and engineering best practices.
Review code, enforce quality and security standards, and identify opportunities to improve performance and reliability.
Troubleshoot and resolve application issues, bugs, and performance bottlenecks.
Collaborate with designers, product managers, and engineering teams to deliver high-quality mobile applications and continuously improve development processes.

Required Skills & Qualifications
Proven experience in iOS application development with strong expertise in Swift; experi

📌 iOS Developer (Colombia)
🏢 Blankfactor
📍 Colombia