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Location

Poland

Rate

$52  / per hour

Years of experience

7+

About

Dedicated and experienced Senior iOS Developer with over 7 years in iOS software engineering and mobile application development. Fluent in Swift and Objective-C, with extensive expertise in MVC, MVVM, MVP, and SOLID principles. Skilled in utilizing frameworks such as Cocoapods, Core Data, RxSwift, and Combine to deliver robust and efficient mobile applications. Proven ability to self-manage projects independently and excel as part of a collaborative team, mentoring junior developers and leading productive teams. Notable experience includes roles at Globaldizajn d.o.o., Q d.o.o., Hangoo, Fortuna Entertainment Group, and TokHit. Successfully created and maintained high-quality applications, integrated third-party APIs, implemented mobile payment platforms like ApplePay, and translated Objective-C code to Swift. Recognized for improving application design, fixing bugs, and enhancing code quality. Adept at working closely with stakeholders to deliver business value and conducting sprint planning and task estimation. Committed to continuous learning and staying current with the latest industry trends and technologies. Fluent in English and native in Croatian.

Tech Stack

Mobile, CocoaPods, Core Data, Obj-C, RxSwift, Swift

Experience

  • Instructed junior developers on using the Swift programming language, fostering a collaborative learning environment.
  • Developed a dating app from scratch, including the implementation of a matching system and audio message chat functionality.
  • Translated legacy Obj-C code to Swift, refactoring old code to enhance performance and maintainability.
  • Mentored a student who is now working as a mid-level iOS developer, providing guidance on best practices and project work.
  • Developed enterprise solutions for clients such as Wienerberger, collaborating closely with the Mobile Team Lead.

Employment history

SENIOR IOS DEVELOPER, TokHit September 2022 - November 2022

-Implemented and updated various application modules as directed by Senior Software Developers, ensuring alignment with project requirements and coding standards.
-Conducted thorough reviews of code submitted by other developers, providing feedback to improve code quality, maintainability, and performance.
-Designed and implemented Coordinators to manage infinite navigation throughout the application, enhancing user experience and navigation efficiency.

SENIOR IOS DEVELOPER, Fortuna Entertainment Group October 2021 - September 2022

-Worked collaboratively with a large team of 20 people, contributing to a dynamic and fast-paced development environment.
-Addressed and resolved bugs reported by testers, improving the application’s stability and functionality.
-Participated in weekly sprint planning and task estimation with the team, ensuring efficient project progression and clear communication of development goals.
-Refactored old code, improving overall code quality, readability, and performance.
-Translated Objective-C code to Swift, facilitating modern development practices and improving the codebase.

SENIOR IOS DEVELOPER, Hangoo June 2021 - September 2021

-Worked closely with the CEO to enhance application design and features, aligning development efforts with strategic goals.
-Led the creation of a dating app from scratch, involving the conceptualization, design, and implementation phases.
-Redesigned existing screens and features to improve user engagement and satisfaction, enhancing the overall user experience.
-Developed and implemented a matching system within the app, optimizing algorithm efficiency and enhancing user matching accuracy.
-Implemented a chat feature using only audio messages, providing users with an innovative and immersive communication experience.
-Recruited additional developers to augment the team, fostering collaboration and accelerating project development.

IOS DEVELOPER. Q d.o.o February 2018 - August 2021

-Worked with the quality assurance team to confirm app compatibility with analogous solutions on other platforms.
-Integrated existing third-party APIs to shorten development times and add interactivity with Signatures, Database (Realm), Analytics, Firebase, AWSS3, custom IndicatorView aka. spinners (NVActivityIndicatorView), Structure (framework used for 3D object management), etc.
-Worked with stakeholders such as the CTO and Head of Development to find collaborative ways to deliver business value for all parties. Integrated mobile payment platforms such as ApplePay.
-Instructed junior developers on the use of Swift programming language, creating a collaborative learning environment to onboard personnel.
-Mentored a student that is now working as a medior iOS developer on his own projects.

IOS DEVELOPER, Globaldizajn d.o.o. June 2016 - February 2018

-Learned MVC and MVVM design patterns.
-Applied Apple’s Swift development language to code native apps for iOS platform.
-Maintained existing mobile applications by designing patches to be applied via iOS automatic updates.
-Connected multiple applications to API.
-Worked with multiple clients and Mobile Team Lead to create enterprise solutions for companies such as Wienerberger.

Education history

Tehnička škola Ruđera Boškovića September 2012 - May 2016 COMPUTER TECHNICIAN
Tehničko veleučilište Zagreb September 2016 - September 2017 BACHELOR OF COMPUTER SCIENCE
Tom Potanski

“80+ clients have experienced exceptional results from our IT recruitment and software development services.”

Tom Potanski

Tom Potanski Founding Partner, DevsData

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"The agency led the hiring with a dedicated recruitment team. In the end, the client hired two senior technicians, one from Spain and another from Portugal, greatly enriching its engineering team."
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Sebastian Abdy Saboune
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Twist Solutions, Ltd.
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"We consider the developers they recommended exceptionally strong from a technical perspective. I can recommend the services of DevsData to all tech companies in need of exceptional tech talent."
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Garik Suess
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Qualifyze GmbH
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"It was a pleasure to work with DevsData. They excelled at commitment, communication skills, and time and team management. They were extremely organized and efficient, and they tackled every part of the project (several projects) with the utmost care."
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Steven Haley
Managing Director
Kroll, Inc.
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5.0
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"DevsData reached out to us, as we've been looking to grow our engineering team in Europe and Poland. Communicating efficiently and professionally, DevsData made a strong impression with their understanding of the recruitment challenges we were facing."
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Karim Butt
Cofounder & CTO
GlossGenius, Inc.
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5.0
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"I really appreciate their ability to adapt to our preferred ways of working, agility and successful delivery."
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Tom McGovern
Managing Director
Idealab, Inc.
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"They have really proved their worth and have shown me that my company’s money is really well spent."
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Matthew Wiklo
CEO
Epinote
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"I've been working on several IT projects with DevsData for more than five years. There were many software projects they completed for us."
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Christopher Ting
Senior IT Manager
Verus Analytics LLC
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"From beginning to end, the cooperation was smooth and contact with DevsData representatives was very easy."
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Patrick Lobocki
CEO
Roesier, Inc.
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"From beginning to end, my experience with DevsData was only positive."
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Daniel Goebel
CEO
CoCoHub, Ltd.
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"Quality control is rare in this line of business, I think this is the secret sauce of their exceptional quality."
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Paul Polewicz
CEO
Reef Technologies
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"This rapid pace and immaculate organization are what stood out to me most about DevsData."
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Joanna Szymanski
Owner & CEO
Xino Sports LLC
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"We at Flowr Agency are particularly pleased with the outcomes, notably the superior code quality, speed, and communication. It confidently endorses the agency's services to other marketing firms."
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Cofounder
Flowr Agency
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"We felt good about our collaboration. They were good people to work with, full of energy, creative, and proactive."
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"We also recommended DevsData to my business connections as they did a truly fantastic job."
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Matthew Lenicki
CEO
WebCrafters, Inc.
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"For DevsData to find four amazing developers so fast - that cannot be just luck."
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Adam Zaczek
Founder
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"Our cooperation has been very efficient, and I love it."
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Adam Janczewski
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"Tom and his team showed great dedication to us as client and allowed wellbee to launch an Alpha stage of our online therapy product in under 1 month from absolute scratch. I need to congratulate them on the very good UX and UI design and good communication skills of the whole team."
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Paul Chrzan
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Wellbee
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5.0
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"Out of all the vendors we work with, DevsData clearly stands out. The quality of developers they deliver is beyond what we've received from any other vendor, and they've been able to send profile recommendations very quickly. I'm happy to be their reference for other companies from Israel and talk about their recruitment abilities and what they delivered for us - we eventually signed over 19 engineers from DevsData. I'm extremely satisfied with this recruitment process."
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Ran Eyal
Program Manager
ZIM
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“Out of all the vendors we work with, DevsData clearly stands out. The quality of developers they deliver is beyond what we've received from any other vendor, and they've been able to send profile recommendations very quickly. I'm happy to be their reference for other companies from Israel and talk about their recruitment abilities and what they delivered for us.”

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