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Luka User

@lukauser1

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Senior iOS developer delivering scalable mobile apps with Swift, SwiftUI, and strong architecture focus.

Serbia

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What I'm looking for

I seek a senior mobile role building scalable iOS products, mentoring teams, and improving architecture in a collaborative, quality-driven environment.

I am a senior iOS developer with extensive experience building and maintaining production mobile applications for clients across Europe and the US.

I specialize in Swift, SwiftUI, UIKit and robust architectures (VIPER, MVVM, Clean Architecture), and I routinely improve complex existing codebases while implementing new features and UI components.

I have led and mentored teams, taught as a lead instructor, and driven quality and architectural standards across projects such as Plaky, a compliant ELD app, and multiple telecom and fintech apps.

I am self-taught with continuous learning goals, re-enrolled to complete a bachelor’s degree, and I seek roles where I can contribute to scalable products while mentoring others and evolving technical practices.

Experience

Work history, roles, and key accomplishments

Current

Senior iOS Developer

Current

Cake.com

Apr 2023 - Present (2 years 6 months)

Maintain and enhance a complex iOS codebase for Plaky, implementing new features and UI components in Swift/UIKit and collaborating with cross-functional teams to deliver scalable product improvements.

Swift UIKit SwiftUI Combine CoreBluetooth UI Development Cross Functional Collaboration

Senior iOS Developer

Quantox Technology

Apr 2022 - Apr 2023 (1 year)

Built and maintained multiple client iOS applications, collaborating with distributed teams to deliver production apps and ensure quality across projects.

Swift Objective C UIKit Mobile App Development CI CD Testing

iOS Team Lead

Amplitudo

Sep 2021 - Apr 2022 (7 months)

Led a small iOS team, enforced code quality and architectural standards, and mentored junior developers and students on OOP, design principles, and app development.

Team Leadership Mentoring Architecture Swift Objective C MVVM

iOS Developer

Amplitudo

Dec 2018 - Sep 2021 (2 years 9 months)

Developed multiple mobile apps in Swift and Objective-C, collaborating with QA, designers, and project managers to deliver client-facing solutions for public and private sector clients.

Swift Objective C UIKit CoreLocation CoreBluetooth REST APIs Agile

Education

Degrees, certifications, and relevant coursework

Univerzitet Mediteran - Fakultet za Informacione Tehnologije

Bachelor of Science, Information Technology

2016 -

Activities and societies: Re-enrolled in 2024 with the goal of obtaining a bachelor's degree; lead instructor for iOS course at Amplitudo (2021-2022).

Attended Faculty of Information Technologies at Univerzitet Mediteran from 2016 to 2018; paused studies in 2019 for work and re-enrolled in 2024 to complete a bachelor's degree.

Self-taught and professional training

Continuing Professional Development, Software / Mobile Development

Activities and societies: Lead instructor for Amplitudo’s iOS course (2021-2022); continuous mentoring and skill development in Swift, Objective-C, Kotlin, Flutter, and related technologies.

Ongoing self-directed study and professional development in mobile and software development, including mentoring others and instructor experience.