Hire the best App Development Freelancers in Seattle, WA
Check out App Development Freelancers in Seattle, WA with the skills you need for your next job.
- $500 hourly
- 4.9/5
- (28 jobs)
I can take your best idea and turn it into an app on the Apple App Store and Google Play Store, or build that feature that your users have been asking for for months. I can built iOS apps using the latest technology (Swift, SwiftUI, Combine) or cross platform apps using Typescript and React Native. I have 10+ years of experience developing with Swift. I specialize in building realtime data driven iOS apps, building amazing UI/UX (with user focused design and awesome animations), as well as advanced architecture design. Interested in building apps for Apple's new Vision Pro? With my extensive background in Apple technology, I have experience with all of the libraries and technologies required to build apps for visionOS / xrOS including RealityKit, ARKit, SwiftUI and many more. I can turn your existing iOS app into a spacial experience ready for visionOS, or I can build you a new app from the ground up designed for the Vision Pro. If you can imagine it, I can build it. Are you looking to bring NFTs and crypto features into your mobile app? I believe web3 is the future and we need better apps for users. I specialize in web3 integrations for mobile apps. Whether it's supporting NFTs, crypto payments, digital signatures and proof of ownership, or simply consulting you on what is possible, I am here to help. App Security is a strength of mine, as I have years of jailbreaking experience. I know how to protect your apps against runtime code injection, Objective-C runtime method swizzling, Man-in-the-middle attacks, as well as jailbreak detection. I'd love to hear about your project! Send me a message and let's talk about it.
App Development
Blockchain DevelopmentSolidityDApp DevelopmentReact NativeBlockchain, NFT & CryptocurrencyPush NotificationsAPI IntegrationObjective-CSwiftiPhone UI DesignGraphQLAnalyticsiOS JailbreakingiOS Development - $127 hourly
- 4.9/5
- (41 jobs)
🏆 2x Apple Design Awards | 🎨 16 years of UX/UI & Brand Identity Design | 🌍 Trusted by global brands and startups 🥇 Top 1% Expert on Upwork With 16+ years of experience designing for top companies and startups, I specialize in crafting both world-class brand identities and highly effective UX/UI for digital platforms. Whether you need a memorable brand identity to stand out or a seamless user experience to drive conversions, I’ve got you covered. I’ve had the privilege of working with leading companies such as: ✅ Airbnb ✅ Red Bull ✅ IBM ✅ Google ✅ Coca-Cola ✅ Uber ✅ Thumbtack My expertise includes: - Brand identity design (logos, brand systems, rebranding) - UX/UI design for mobile apps, web platforms, and more - E-commerce, marketplaces, social networks, and web3/blockchain apps I pride myself on delivering high-quality work with exceptional speed, helping brands establish their visual identity while achieving measurable success—whether it’s boosting engagement, improving conversion rates, or driving brand recognition. 🚀 Looking to scale? I can tap into a talented creative network for any additional skills, ensuring your project can scale seamlessly with your business. Let’s discuss how I can help you grow your brand and digital experience—book a consultation today! -- keywords: user experience, user interface, ux, ui, ux/ui, graphic designer, mobile app designer, sass, software designer, ios, android, material, bootstrap, react native, motion design, interaction design, product design, product strategy, user testing, prototype, wireframes, design review, design strategy, creative direction, branding, brand identity, corporate brand identity
App Development
UX & UIAI Mobile App DevelopmentAI-Generated ArtMobile App TestingMobile App ImprovementMobile App StrategySoftware DevelopmentProduct ManagementProduct DesignApp DesignMobile App RedesignDesign & Usability ResearchDesign MockupMobile App Design - $50 hourly
- 5.0/5
- (0 jobs)
GIS Application Support Specialist with over 8 years of experience in optimizing GIS software solutions to enhance data accessibility, user satisfaction, and operational efficiency. Expert in the ESRI suite, including ArcGIS Online and Arc Pro, with a strong background in QA/QC and IT support for GIS applications. Adept at collaborating with cross-functional teams to deliver innovative solutions.
App Development
Quality ControlArcGISQGISGISWeb ApplicationSoftware QAQuality Assurance - $50 hourly
- 0.0/5
- (0 jobs)
Senior software developer with 15 years of experience in FAANG looking to pick up some work, inspiring development work on the side! * Full-stack engineer. * Proficient communicator. * Multiple published apps on App Store. * Familiar with testing and automation.
App Development
Software DesignSoftware DebuggingSoftware ArchitectureQA Software & Testing ToolsQA EngineeringQA AutomationAutomationMobile AppWeb DevelopmentAmazon DynamoDBAWS CloudFormationJavaFlaskPython - $75 hourly
- 0.0/5
- (0 jobs)
I’m a front-end developer with experience building modern, user-friendly web applications. Whether you need a sleek marketing site, a dynamic web app, or a seamless user experience, I can help bring your vision to life. What I Offer: ✅ Expertise in React, JavaScript, and Next.js – I build fast, scalable, and responsive web apps. ✅ Pixel-Perfect UI/UX – I focus on clean, accessible, and engaging designs. ✅ Performance Optimization – Faster load times, smooth interactions, and SEO-friendly code. ✅ Full Development Workflow – From design handoff to deployment, I handle the front-end with precision.
App Development
Web DevelopmentWeb DesignWeb AccessibilityWeb APIReduxBootstrapSassTailwind CSSJavaScriptTypeScriptReact - $40 hourly
- 0.0/5
- (0 jobs)
Hi, I'm Darwin. I'm a full-stack software engineer currenly working in Seattle. My go-to stack consists of React + Node.js + PostgreSQL, but I can handle any requirement.
App Development
Web ApplicationMobile AppWeb DevelopmentArtificial Intelligence - $50 hourly
- 0.0/5
- (0 jobs)
Experience: SPU BAJA team: * Designed and implemented, in a team of computer science students, a real-time data visualization interface for a racing car, processing sensor inputs to monitor performance metrics. * Engineered a modular OpenGL rendering pipeline, improving system responsiveness and display clarity. * Utilized WSL on Windows with tools like CMake and GDB to ensure cross-platform compatibility with Raspberry Pi 4. Computer Science & Math tutor , Edmonds College, WA 1/23 - 11/23 * Tutored over 50 students per quarter alongside four team-oriented tutors, covering Data Structures, Algorithms, Object-Oriented programming, and linear programming, improving average student performance by 15%. * Collaborated with an intern to develop a facial recognition program using OpenCV, introducing
App Development
Web DevelopmentData ScienceMobile GameWeb ApplicationMobile AppArtificial Intelligence - $20 hourly
- 0.0/5
- (0 jobs)
I am a highly skilled Software Engineer and Mobile App Development Expert with a strong background in designing and developing intuitive, high-performance applications. Holding a Bachelor’s degree in Computer Science (BSCS), I have a solid foundation in software engineering principles, algorithms, and data structures. My expertise spans mobile app development for both iOS and Android platforms, with proficiency in technologies like Swift, Kotlin, React Native, and Flutter. I have successfully delivered end-to-end solutions for various clients, from initial concept to deployment, ensuring seamless user experiences and high-quality code. Notable projects include building a robust e-commerce mobile app that increased user engagement by 30%, and a real-time location-based service app that streamlined logistics for businesses. I am committed to continuous learning, staying up-to-date with the latest trends and technologies to provide innovative solutions that meet client needs and exceed expectations.
App Development
UX & UI DesignFigmaUX & UIKotlinReact NativeMobile App LocalizationAI Mobile App DevelopmentWebsite to Mobile App ConversionMobile AppFlutterMobile App DesignMobile App DevelopmentiOS DevelopmentAndroid App Development - $30 hourly
- 0.0/5
- (0 jobs)
I am a seasoned software developer and technology consultant having worked for dozens of clients on a wide array of projects and technology stacks through a consulting agency for over 11 years. My technical skills run the gamut from native mobile to game development to .NET to low-level C and C++, from graphics programming to testing automation. Most importantly, I'm comfortable being thrown into new technologies and new projects, finding the opportunity to learn new technology a rewarding one. In addition to technical work, I've had a hand in technical leadership, system architecture, project management, and developer management as well. As such, I am happy to offer any 'soft-skill' advice for a project. I want to help you build something amazing!
App Development
Music ProductionAudio ProductionTest AutomationProject ManagementGame DevelopmentUnityAgile Software DevelopmentSoftware Architecture & DesigniOS DevelopmentAndroid App DevelopmentMobile App Development - $60 hourly
- 0.0/5
- (0 jobs)
Summary Results-oriented Computer Science student bridging industry experience in event production with a passion for technology. Skilled in Java and Python programming, with a strong foundation in version control using GitHub. Demonstrated leadership in managing teams and ensuring clear communication across projects. Eager to leverage technical abilities and proven leadership to contribute to impactful projects within the computer science field.
App Development
Adobe PhotoshopFigmaReact NativePostgreSQLCustomer Relationship ManagementManagement SkillsWeb DevelopmentAgile Software DevelopmentJavaScriptVersion ControlResearch Paper WritingEvent ManagementPythonJava - $30 hourly
- 0.0/5
- (0 jobs)
I am a young app developer looking for contract app development opportunities. I am proficient in development for android and would consider myself more than proficient in development for iOS. I can manage a Firebase database, set up Firebase auth, and write firebase cloud functions.
App Development
Database ManagementFirebaseSwiftMobile App DevelopmentiOS Development Want to browse more freelancers?
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