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Jakub Mazur

Senior iOS Developer

Can work in or around Krakow

  • 50.0619
  • 19.9368
  • Suggested rate €450 / day
  • Experience 7+ years
Propose a project The project will begin once you accept Jakub's quote.

This freelancer is available full-time but hasn't confirmed their availability in over 7 days.

Propose a project The project will begin once you accept Jakub's quote.

Location and workplace preferences

Krakow, Poland
Can work onsite in your office in
  • around Krakow and 50km


Project length
Would prefer to avoid:
≤ 1 week


Freelancer code of conduct signed
Read the Malt code of conduct

Verified email


Stack Overflow

Stack Overflow : Jakub Jakub
  • 13491 Reputation
  • 138 Bronze
  • 81 Silver
  • 16 Gold


  • Polish

    Native or bilingual

  • English



Skills (8)

Jakub in a few words

Senior Swift and Objective-C Engineer. My first app was released in iOS 4 times so doing it for some time now. Recently moved to building Swift frameworks for iOS/macOS/watchOS. Living in Kraków, Poland.


No Frills

Digital & IT

Senior iOS Developer  - As a freelancer

Hamburg, Germany

March 2019 - Today (3 years and 8 months)

No Frills, a tech agency supporting customer’s development team in mid to long term projects. My terrain includes physical devices such as NFC cards, iBeacons, SDKs on iOS platform and mobile app development in Objective-C and Swift.

Wingu GmbH


Lead iOS Engineer

Hamburg, Germany

March 2016 - September 2019 (3 years and 6 months)

In wingu I was responsible for iOS SDK, shaping public API and unify developers experience of winguSDK across supported mobile platforms. I was also responsible for implementing energy-efficient solution for ranging and monitoring iBeacons & Geofences on iOS on top of CoreLocation.

Since I am really into automating processes I introduce to the projects advanced automatic testing scenarios, Fastlane, metaprogramming with Sourcery, translations on external editor with Marathon Swift script (SPM) connected with Continuous Delivery.



Senior iOS Engineer

Krakow, Poland

March 2014 - February 2016 (1 year and 11 months)

In Edisonda i was responsible for creating apps for their customers. Since Edisonda is a design studio most of them includes very sophisticated UI and UX.


Digital & IT

iOS Developer

Krakow, Poland

February 2012 - January 2014 (1 year and 11 months)

In Synaway I was involve in apps for museums, tourists, parking lots, parents, poker tournaments, car shows and more as a part of small team of developers. Since that was a times of iOS 5-6 and skeuomorphic design all of the apps most of them available in AppStore had some serious design changes till now.