Boris Nikolić

Available to hire

I'm Boris Nikolić, a Senior Mobile Engineer passionate about building clean, scalable iOS apps and modular SDKs.

About

I’m Boris Nikolić, a Senior Mobile Engineer passionate about building clean, scalable iOS apps and modular SDKs. I have 10+ years of experience delivering healthcare, fintech, and mobility solutions, with deep Swift/SwiftUI expertise and a working knowledge of Android and React Native.

I love Clean Architecture, testing, and maintainable software design, and I thrive in Agile teams collaborating with product, design, and QA to ship great user experiences. Remote-friendly, self-motivated, and used to leading iOS SDK development and cross-client white-label projects.

  • 14 years' experience
  • Joined February 2026

Languages

  • EnglishAdvanced
  • SerbianFluent
  • BosnianFluent
  • CroatianFluent

Industry experience

  • Healthcare
  • Software & Internet
  • Financial Services
  • Professional Services
  • Transportation & Logistics

More experts in Belgrade, Serbia

Work experience· 7 roles

Senior Mobile Developer · PrimerJun 2023 – Present · 3 yrs 6 mos

Mobile Engineer on the Acceptance Team, building modular payment SDKs for merchant integration. Lead iOS SDK development using Swift and Swift Package Manager. Contribute to Android SDK (Kotlin) and React Native SDK when needed. Apply Clean Architecture and SOLID principles with MVVM patterns for scalable, testable codebase.

Senior iOS Developer · Doktor.seJan 2021 – Jun 2023 · 2 yrs 6 mos

Led development of white-label healthcare app serving thousands of users across Europe. Extracted common functionalities into reusable SDK shared among multiple clients. Prepared application for strict medical certification in Germany and Sweden. Collaborated closely with Product Owner to deliver features with optimal user experience.

Senior iOS Developer · Urban Connect AGJan 2020 – Jan 2021 · 1 yr 1 mo

Integrated BLE smart locks for bikes, scooters, and cars in mobility platform. Implemented Clean Architecture and SOLID principles in legacy codebase, improving maintainability. Led app rebranding initiative in collaboration with design team.

Mobile Application Developer · Red-Black TreeNov 2017 – Jan 2021 · 3 yrs 3 mos
iOS Developer · CodetribeJan 2016 – Nov 2017 · 1 yr 11 mos
iOS Developer · BLGRDFeb 2015 – Dec 2015 · 11 mos
Frontend Web Developer · FreelanceApr 2012 – Mar 2015 · 3 yrs

Education

Professional Engineer of Electrical Engineering and Computer Science · Visoka ICT2011 – 2014
Professional Engineer of Electrical Engineering and Computer Science · Visoka ICT2011 – 2014

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