Upstaff Developer Profile Directory
All vetted software engineers you need to build AI, Web3, and data Products.
- Dedicated Full-time commitment for long-term or Time& Material for shorter or ongoing support
- Europe, Israel, LatAm, United States, Asia geography coverage
- Remote and hybrid engagement
- Trial period, no termination fees or hidden costs for transparent and risk-free onboarding.
- I am a self-taught Android developer with a passion for building scalable architecture and writing easily maintainable (deletable) code. - I am a big fan of DI frameworks like Dagger, Anvil, or Hilt. - I build apps out of passion outside of working hours, but lately, I have been exploring Ktor on the backend side and working on fully Compose Android applications. - From time to time, I also like to tinker with Figma. - I am passionate about the latest tech, hardware and security.
Experienced and self-motivated android developer with 3+ years of experience in developing and supporting applications in production. Worked with applications for education, social sphere and sports. He is a fast learner, eager to learn and share knowledge among co-workers. He works on each project with dedication and creativity.Available in 2 weeks Location: Ukraine
- 7+ years experience with iOS; - Deep skills working with Swift and Objective C; - Good skills working with Firebase; - Experience working with Google services; - Solid knowledge of SOLID and DRY; - Good abilities working with fintech and banking projects; - Experience in testing; - Upper-Intermediate English.
- 6+ years of experience in iOS development; - In-depth knowledge of iOS SDK; - Experience working with fintech and cryptocurrency projects; - Good knowledge of the development of different mobile projects; - Experience working with Objective-C; - Deep abilities with Swift; - Good skills working with Firebase; - Experience in UI/UX implementation; - Good skills in maintenance and testing; - Upper-Intermediate English.
- Having over 7+ years of experience in developing native mobile and TV applications for the Android platforms - Deep knowledge of the Android Framework significantly increased my technical and soft skills. - Successfully accomplished above seven long-term projects at the middle, senior, and team-lead developer positions, and tech consultant. - Also participated in many short-term, bug fixing, feature adding, and library developing projects. - Have strong mathematical and computer science background - Upper-Intermediate English - Available ASAP
- Android Software Engineer with 7 years of experience in native android development - 3+ years of team-leading experience - Upper-Intermediate English - Available ASAP
0.5+ year of experience in Software Development; Development of mobile applications for clients and internal use;
- 7+ years of iOS developer - 7 years of experience with Swift - Upper-intermediate English - Available ASAP
- 5+ years of experience as the iOS Software Engineer - Intermediate English level - Available ASAP
- 4+ years experience in iOS apps development - Hands-on scripting experience with Swift; Objective-C, iOS APIs and Frameworks, 3rd party libraries. - SwiftUI, Firebase and CoreData.
iOS developer with 5+ years of proven working experience in designing, building, and maintaining iOS applications. He is proficient in Objective-C and Swift, has a strong knowledge of iOS frameworks, as well as code versioning tools.Alexei is familiar with RESTful APIs, experienced in continuous integration, and automated testing. He possesses an in-depth understanding of various programming technologies, UI/UX standards, as well as Agile development methodologies. In addition, Alexei can boast of vast expertise working closely with cross-functional teams to define, design, and ship new features, as well as interacting with customers.
- 6+ years of experience with iOS - Hands-on scripting experience with CoreData, Core Animation, AVFoundation, MVC and MVVM - Proficient with Swift 4.0, Objective-C, React-Native, RESTful APIs
- Android Engineer (6 months) - Educational program (mentoring, code review, git-flow, task management, time management) - Android Fundamental Courses - Available ASAP
$5800/month
7 years of professional expertise in IT industry; Android developer with 5+ years of experience Flutter developer with 2+ years of experience
- 3 years of experience in the software development. Working on mobile and web development using JavaScript frameworks like React, React-native, Redux. Highly experienced in creating custom components according to the design. Confident with my skills in Unit Testing, HTML, CSS, API integration. - Intermediate English - Available ASAP
- A detail-oriented software engineer with 4 years of experience in web and mobile development. - Intermediate English - Available in two weeks
$5600/month
Senior React Native Developer
$5000/month
Expert with iOS swift/ Objective C development Nearly 2 years experience on Java Spring Boot development
- 15 years of experience in IT. 3 years of experience as a Flutter Developer. - He has experience in developing applications from scratch using the Flutter framework. He has good experience in developing mobile applications for both Android and IOS. Writing and maintaining existing programs. - Experience with programming languages Objective-C and Swift. - Upper-Intermediate English - Available ASAP
- Senior Android Engineer with 6+ years of commercial experience and strong organizational skills. - Proficient in Android development using Java, Kotlin, and libraries like Retrofit and Room. - Expert in methodologies like MVC, MVVM, Clean Architecture, and SOLID principles. - Comfortable working with REST API, version control tools like Git, and project management through MVP. - Upper-Intermediate English - Available ASAP
- Software Developer with 4 years of professional experience in mobile and enterprise apps development. - 2 years of experience as a mobile developer using Flutter - 3 years of experience with Java - Upper-Intermediate English - Available ASAP
- 2+ years of experience developing mobile apps with Flutter - Participated in projects full-cycle development from scratch - Has experience with native Android/iOS SDKs - Has basic experience with JS, React - Intermediate English - Available ASAP
- 5+ years of experience in Android Development - Experience in developing applications using Java, Kotlin, Dart - Excellent knowledge of OOP - Experience in using Software design patterns - Good logical thinking, self-learning, high level of responsibility - Responsible, hard-working, result-oriented, creative and communicable, team player - Good attention to details - Upper-Intermediate English
- Experienced Android Engineer with 6+ years in Java and Kotlin app development. - Proficient in Android development frameworks like Retrofit and Room (Android Jetpack). - Expertise in Clean Architecture, SOLID, MVVM principles, REST API, and HTTP. - Skilled in project management using Atlassian JIRA, Confluence, and Agile methodologies. - Upper intermediate English - Available ASAP
- Xamarin developer with more than 7 years of experience in IT industry. - With Xamarin specifically I’ve been working for the last 6 years. - Deep knowledge and professional expertise in C#, Xamarin iOS and Xamarin Android (both Native and Forms). - Experience in participation in full life-cycle of software design and development process including requirements gathering and analyzing, technology selection and architecture design, application core development, testing and deployment. - Upper-Intermediate English. - Available ASAP
- 16 years of experience in IT. 3 years of experience as a Flutter Developer. - He has experience in developing applications from scratch using the Flutter framework. - Intermediate English - Available ASAP
- 8+ years of experience in the IT industry developing native IOS applications - Providing a full-cycle mobile development using the latest versions of Swift and Objective-C - Hands-on scripting experience with CoreData, Core Animation, AVFoundation, MVC, and MVVM - Upper-Intermediate English - Available ASAP
$5000/month
I have been working as an iOS developer for more than 10 years and I am currently working as an outsourced developer at SquareTrade(an AllState company). I am working on an app that is being used by millions of customers in the US.