Luka K.

About Me

Luka is a talented and experienced iOS Developer skilled in Swift, Xcode, iOS, Cocoa Touch, Firebase, UIKit, and a lot of different frameworks and tools. He has worked on multiple iOS projects including the Smallpdf app with 1 million active monthly users and Truthify, an app for emotion recognition. Luka loves crafting apps with quality code and intuitive UIs so that people can seamlessly integrate the product into their daily life.

QA & Testing

Workflow

Other

Work history

UpStack
UpStack
iOS Developer
2021 - Present (4 years)
Remote
  • Creating and developing innovative software solutions for various clients across a broad range of industries.

  • Participating in scrums consisting of cross-functional teams, both software and hardware.

  • Ensuring that features are being delivered efficiently and on time.

Smallpdf
Smallpdf
iOS Developer
2020 - 2023 (3 years)
Remote
  • Worked on the development of the Smallpdf app with close to 1 million active monthly users.

  • Provided new improvements and tool suggestions from previous experiences and projects.

  • Worked with new design patterns, approaching and solving the problem in a different way and writing cleaner code.

  • Handled high-quality coding, reviewed pull requests, built new features, created tasks/subtasks, etc.

Darwin Digital
Darwin Digital
iOS Developer
2018 - 2019 (1 year)
Belgrade, Serbia
  • Acted as a sole iOS developer on the project, tasked with meeting clients, adding new features, fixing bugs, Git, making assessments, etc.

  • Implemented large SDKs and developed main app features and functionalities.

  • Refactored big parts of code for Truthify, an app used for emotion recognition.

Freelance
Freelance
iOS Developer
2017 - 2021 (4 years)
Remote
  • Developed iOS apps for clients, such as Ignight, an app for rating and finding bars or clubs.

  • Created The30 dating app, QuestCutz, an app for scheduling barber's appointments, and Outings, an app for golf players.

  • Worked on Ignite, an app for aspiring basketball players to buy training tutorials or schedule private training with professionals.

Digital Share
Digital Share
iOS Developer
2017 - 2018 (1 year)
Kragujevac, Serbia
  • Acted as a sole iOS developer on multiple projects including Yartigo, an app for artists and art collectors where users can upload, sell, rent, and buy artwork.

  • Developed Importhead, an app for delivering products to end customers in a cheaper and more convenient way.

  • Worked on Job Jumper, an app for job seekers to find employment and for businesses to find new employees.

Showcase

iOS Developer - Smallpdf
iOS Developer - Smallpdf
  • Smallpdf is an all-in-one PDF tool for various tasks including reading, editing, compressing, scanning, combining, removing pages, and converting to Word, PPT, JPG, and Excel.

  • The tool handles high-quality coding, reviews pull requests, and builds new features, reflecting a focus on development and iteration.

  • Smallpdf utilizes technologies like iOS, AdServices, App Tracking Transparency, Core Image, Foundation, Swift, UIKit, Xcode, XCTest, Firebase, GitHub, Jira, Fastlane, Alamofire, SwiftyJSON, SwiftLint, Lokalise, Quartz, Core Spotlight, PhotoKit, Networking, Local Notifications, Facebook SDK.

iOS Developer - PainChek
iOS Developer - PainChek
  • PainChek is a pain assessment device with regulatory clearance in Australia and Europe.

  • It utilizes facial recognition and artificial intelligence to detect pain.

  • Key benefits include identifying pain presence, quantifying pain severity, and monitoring treatment effectiveness.

iOS Developer - Outings+
iOS Developer - Outings+
  • Outings is a mobile app for tracking golf outing leaderboards of any size.

  • It utilizes a variety of technologies including iOS, Swift, Xcode, UIKit, Foundation, Core Location, Core Image, Dispatch, Networking, Push Kit, StoreKit, Sourcetree, GitHub, and Google Maps.

  • The app is designed for reliable leaderboard management across different event types.

Education

Computer Programming
Computer Programming
Crossover Training Center (Apple-authorized) - Belgrade, Serbia
2017 - 2018 (1 year)