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Denys K, Mobile Apps Developer

Last Job: 22 Aug 2024

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- Strong background in computer engineering and automation; - 5+ years of experience with Python; - Good knowledge of the blockchain industry and web3 project development; - Proven expertise in developing mobile applications, crafting solutions for crypto services, and creating telegram mini-apps; - Skilled in web automation, bot development, parsing, and working with web3 technologies.

Python 5 yr.

QA Automation 3 yr.

Telegram API

Telegram Mini Apps

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Kyrylo C., Mobile Apps Developer

Last Job: 23 Aug 2024

- Motivated software engineer with 7 years of iOS development experience (Swift, SwiftUI, and Objective-C). - Over 30 App Store project launches for iOS/macOS, including VPN, OpenVPN protocols, and deploy VPN servers) - Comfortable in both sole developer and team player roles, team-lead experience - Back-end experience with GoLang (last two years) - Upper-Intermediate English - Available to start ASAP

Swift 7 yr.

OpenVPN

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Yehor H., Mobile Apps Developer

Last Job: 23 Aug 2024

- Over 5 years of diverse experience in IT and expertise in Swift and various iOS frameworks in various fields (Social Chats/Communication, online language learning, healthcare, food & delivery). - Basic experience with network protocols & vpn (several months projects) - Available ASAP (Deferment from mobilisation till summer 2026) - C1 English

Swift 5 yr.

UIKit 5 yr.

SwiftUI

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Mykhailo H., Mobile Apps Developer

Last Job: 22 Aug 2024

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A seasoned iOS developer with over 7 years of experience, specializing in the Apple ecosystem. Proficient in Swift, Objective-C, SwiftUI, and Kotlin, with strong expertise in reactive programming, databases, networking, and multithreading. This engineer is adept in implementing various architectural patterns such as MVVM, Singleton, and Dependency Injection. Their technical background is solidified by a Master's degree in System Engineering and Computer Science. Their professional portfolio spans several domains, including Security, Healthcare, and FinTech, showcasing a versatile approach to app development. Key contributions include developing CI/CD pipelines, performing comprehensive testing, and successful App Store deployment. Strengths include advanced knowledge of networking protocols, database management, and multiparadigm programming, making the engineer a well-rounded candidate for complex iOS projects.

Swift 7 yr.

Objective-C 7 yr.

IOS SDK 7 yr.

SwiftUI

Kotlin

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Denys T., Mobile Apps Developer

Last Job: 15 Aug 2024

- Software engineer with a decade of experience, skilled in a multitude of programming languages including Swift, Objective-C, and Java. - Expert in developing for iOS with in-depth knowledge of frameworks such as UIKit, SwiftUI, CoreData, and an adept understanding of BLE technology. - Led the maintenance and feature development of a well-known iOS VPN and Password Manager application, focusing on optimizing performance and implementing new features. - Utilized MVC architecture alongside Objective-C and Swift to enhance the functionality of the VPN and Password Manager application. - Played a key role in refactoring the VPN application codebase to improve efficiency and maintainability. - Leveraged Alamofire for network management within the VPN application, ensuring reliable and secure connections. - Collaborated closely with the development team to maintain the high quality of the VPN application's user experience and performance. - Upper-Intermediate English

Feature Driven Development (FDD) 10 yr.

Swift 5 yr.

Objective-C

Java

Architecture and Design Patterns

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Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.

Meet Carefully Matched Mobile Apps Talents

Within 1-3 days, we’ll share profiles and connect you with the right Mobile Apps talents for your project. Schedule a call to meet engineers in person.

Validate Your Choice

Bring new Mobile Apps expert on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

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Welcome on Upstaff: The best site to hire Mobile Apps Developer

Upstaff.com was launched in 2019, addressing software service companies, startups and ISVs, increasingly varying and evolving needs for qualified software engineers

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Hire Dedicated Mobile Apps Developer Trusted by People

Maryna Navo September 25, 2023

Крутий сервіс, зручна комунікація. Допомогли з закриттям мого питання на 200%

Henry Akwerigbe August 30, 2023

This is a super team to work with. Through Upstaff, I have had multiple projects to work on. Work culture has been awesome, teammates have been super nice and collaborative, with a very professional management.There's always a project for you if you're into tech such Front-end, Back-end, Mobile Development, Fullstack, Data Analytics, QA, Machine Learning / AI, Web3, Gaming and lots more.It gets even better because many projects even allow full remote from anywhere!Nice job to the Upstaff Team 🙌🏽.

Roman Masniuk August 25, 2023

I worked with Upstaff engineers for over 2 years, and my experience with them was great. We deployed several individual contributors to clients' implementations and put up two teams of upstaff engineers. Managers' understanding of tech and engineering is head and shoulders above other agencies. They have a solid selection of engineers, each time presented strong candidates. They were able to address our needs and resolve things very fast. Managers and devs were responsive and proactive. Great experience!

Vitalii Stalynskyi August 29, 2023

I have been working with Upstaff for over a year on a project related to landscape design and management of contractors in land design projects. During the project, we have done a lot of work on migrating the project to a multitenant architecture and are currently working on new features from the backlog.When we started this project, the hiring processes were organized well. Everything went smoothly, and we were able to start working quickly. Payments always come on time, and there is always support from managers. All issues are resolved quickly.Overall, I am very happy with my experience working with Upstaff, and I recommend them to anyone looking for a new project. They are a reliable company that provides great projects and conditions. I highly recommend them to anyone looking for a partner for their next project.

Volodymyr August 11, 2023

Leaving a review to express how delighted I am to have found such a great side gig here. The project is intriguing, and I'm really enjoying the team dynamics. I'm also quite satisfied with the compensation aspect. It's crucial to feel valued for the work you put in.Overall, I'm grateful for the opportunity to contribute to this project and share my expertise. I'm thrilled to give a shoutout and recommendation to anyone seeking an engaging and rewarding work opportunity.

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FAQs on Mobile Apps Development

What is a Mobile Apps Developer?

A Mobile Apps Developer is a specialist in the Mobile Apps framework/language, focusing on developing applications or systems that require expertise in this particular technology.

Why should I hire a Mobile Apps Developer through Upstaff.com?

Hiring through Upstaff.com gives you access to a curated pool of pre-screened Mobile Apps Developers, ensuring you find the right talent quickly and efficiently.

How do I know if a Mobile Apps Developer is right for my project?

If your project involves developing applications or systems that rely heavily on Mobile Apps, then hiring a Mobile Apps Developer would be essential.

How does the hiring process work on Upstaff.com?

Post Your Job: Provide details about your project.
Review Candidates: Access profiles of qualified Mobile Apps Developers.
Interview: Evaluate candidates through interviews.
Hire: Choose the best fit for your project.