Senior iOS Engineer

Creditstar Group AS

Senior iOS Engineer building digital banking applications for Creditstar Group, an international consumer finance company. Developing, testing, optimizing, and deploying iOS features to the App Store.

Posted 8/11/2026full-timeTallinn • 🇪🇪 EstoniaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Proficient in iOS application development using Swift and Objective-C, with a strong focus on UI/UX collaboration, performance optimization, and adherence to Apple's guidelines. Demonstrates expertise in unit testing, debugging, and utilizing relevant iOS frameworks to deliver high-quality mobile applications.

Highest-signal resume keywords

Proficiency In SwiftProficiency In Objective-CSolid Understanding Of UIKitExperience With Unit TestingFamiliarity With Git

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

IOS Application DevelopmentPerformance OptimizationMemory ManagementBattery Usage OptimizationCode Review ParticipationIntegration TestingAPIsThird-Party LibrariesFunctional UI ComponentsVersion Control Systems

Soft Skills

Analytical SkillsProblem-Solving SkillsEffective CommunicationCollaboration Skills

Tools & Technologies

IOS SDKsAuto LayoutGCDUnit Testing FrameworksApp Store Deployment

Industry Keywords

Mobile App DevelopmentDesign MockupsWireframesDevelopment Best Practices

Tech Stack

Tools & technologies

iOSObjective-CSwift

About the role

Key responsibilities & impact

Build and implement features for iOS applications from design specifications while collaborating with UI/UX designers
Write clean, efficient, and well-documented code
Identify and fix bugs and optimize application performance, including memory management and battery usage
Participate in code reviews and collaborate with engineers, designers, and product managers
Write unit tests and participate in integration testing
Deploy applications to the App Store while adhering to Apple's guidelines
Keep current with the latest iOS SDKs, frameworks, and development best practices

Requirements

What you’ll need

Proficiency in Swift and/or Objective-C
Solid understanding of UIKit, Auto Layout, GCD, and relevant iOS frameworks
Experience translating design mockups and wireframes into functional UI components
Familiarity with Git and version control systems
Strong analytical and problem-solving skills for troubleshooting and performance optimization
Effective communication and collaboration skills with cross-functional teams
Experience with unit testing and debugging
Understanding of mobile app development, including APIs, third-party libraries, and platform-specific best practices

Benefits

Comp & perks

Dynamic, challenging, and rewarding work within a growing international company where one can REALLY make an impact
Regular company parties and events
Brand new office in the center of the city with games and free snacks/drinks
Competitive remuneration package
Sports or health insurance compensation
Birthday day-off