Eliasz Sawicki
Verified Expert in Engineering
Software Developer
Gdańsk, Poland
Toptal member since October 7, 2021
Eliasz is a passionate and self-driven iOS developer specializing in providing well-tested and maintainable iOS solutions. He believes that a combination of clear communication and a trusting team is key to success. Eliasz is constantly looking for new ways to improve his solutions which is also the main topic of his blog.
Portfolio
Experience
- AppCode - 7 years
- iOS - 7 years
- Xcode - 7 years
- UIKit - 7 years
- Swift - 6 years
- Fastlane - 5 years
- Objective-C - 3 years
- SQLite - 2 years
Availability
Preferred Environment
MacOS, Xcode, AppCode, Slack
The most amazing...
...role I've had is a technical leader for a team of four iOS developers where we delivered MVP while building great coding culture and team collaboration.
Work Experience
Senior iOS Developer
Lufthansa Systems Poland
- Co-led the development of an enterprise iPad application for a team of four iOS developers, where we developed a culture for performing code reviews, pair programming, and mentoring junior developers.
- Co-led a take over of legacy application without where I planned a roadmap for upgrades like introducing CI/CD scripts and setup for introducing new clients to the application while also taking care of new features.
- Developed maintainable architecture using MVVM-C and separate modules for UI, networking, persistence, and application logic.
- Built an interactive seat map module used in iOS applications.
- Used Fastlane and Jenkins and Azure DevOps to develop a CI/CD pipeline setup.
iOS Developer
Bright Inventions
- Developed mobile applications for startups and smaller companies using Swift, Objective-C, and React Native.
- Introduced React Native as new technology in the software house, which was later used for multiple projects.
- Worked on UI layer for eco-driving application using Objective-C.
- Mentored the junior developers, running workshops and presentations.
- Contributed to the UI rework for iPad EPOS system using Swift and Objective-C.
- Helped develop an iOS application used to simplify filling forms to file insurance claims.
- Contributed to the pregnancy applications with access to training videos and food recipes in React Native.
- Conducted full-stack development using TypeScript, React, and Node.js.
iOS Developer
AIC S.A.
- Developed an iPad application for manufacturing production line using Objective-C.
- Created a calendar module that displayed events taking place in the factory.
- Forked and adjusted third-party open-source software into an iOS application.
Experience
Greenfield iPad Application for Lufthansa Systems Poland
Education
Bachelor's Degree in Computer Science
Gdańsk University of Technology - Gdansk, Poland
Skills
Libraries/APIs
React, Node.js
Tools
Xcode, AppCode, Slack, Fastlane, Jenkins, Git, TeamCity
Platforms
iOS, MacOS
Languages
Swift, Objective-C
Frameworks
UIKit, ReactiveSwift, React Native
Paradigms
Agile
Storage
SQLite
Other
Programming, Algorithms, Data Structures
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