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$60/hr
$5K+ earned
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Erik R. has worked .
Erik is a senior-level software developer and award-winning former journalist whose unique background has allowed him to infuse strong communication and marketing skills into the creation of cutting-edge mobile and web applications. Erik spent 15 years as a reporter and editor at major newspapers such as the Atlanta Journal-Constitution and The Dallas Morning News before switching to a career in engineering. A specialist in mobile apps, Erik has worked on dozens of projects and has authored works presently in the App Store for iOS and Google Play Store for Android. His code has been featured in a wide range of apps, including those used by millions on a daily basis down to new products for small indie startups.
$90/hr
$0 earned
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I build production Flutter apps for iOS and Android, with a specialty in AI voice agents that place real phone calls — not chatbots that only type in a window. WHAT I DO • Flutter mobile apps (iOS + Android, App Store / Google Play pipeline) • AI call automation with VAPI and secure cloud backends (Firebase / Cloud Functions) • Real telephony-style flows: outbound calling, appointments, bill payments, rent collection, customer support, negotiation follow-ups • Clean architecture so products ship and hold up when real users depend on them WHAT I’VE BUILT I’m the sole developer behind Mickter Solutions and the creator of RYAN (R.Y.A.N. — Representing You As Needed), an AI calling assistant that dials utilities, banks, and service providers on the user’s behalf. I also build Taylor, a B2B PropTech-style AI calling product for property managers and small businesses — automated outreach, account/tenant context on calls, and a production mobile dashboard. Public product showcases on GitHub (architecture + stack; production source stays private for security): • Link is in the UpWork linked accounts to see. STACK I SHIP WITH Flutter · Dart · VAPI · Firebase / Cloud Functions · Node.js · iOS App Store Connect · Provider / GoRouter · practical Python tooling when needed HOW I WORK Marine veteran. Disciplined, direct communication, no fluff. I care about clear scope, solid code, and apps that work when real people use them — not demos that only look good in a slide deck. BEST FIT PROJECTS • Flutter MVP or full app that needs to ship • AI voice assistant / outbound call automation • Mobile + backend so keys and call logic stay secure off-device • Features that save users time: hold time, scheduling, collections, support routing If that’s what you’re building, send a short note with: 1) the goal, 2) iOS / Android / both, 3) whether you need voice calling or mobile only. I’ll tell you straight if I’m a fit and how I’d approach it
Mohit C.
$70/hr
$0 earned
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I build Mobile apps ( React Native ) that are robust, fast, stable to use for businesses ( from early startups to large scaled ) — the kind that don't crash, don't lag, and don't need a rewrite Over 8.5+ years I've led mobile teams and shipped consumer apps at scale for companies like Zepto, Cars24, and Gameskraft. A few numbers from real products: ⭐ 99.97% crash-free and 99.99% ANR-free rates at scale ⭐ Buttery smooth screens ( UIs ) ⭐ Improved FPS from 42 to a smooth 60, cut CPU usage by 40% ⭐ 5x faster data flow and 10x smaller image payloads ⭐ Proactive communication for visibility and transparency ⭐ Predictable ETA/Execution and releases of project HOW I CAN HELP YOU: ✅ Build a new app (iOS + Android) from scratch — clean, scalable architecture ✅ Rescue a broken app — fix crashes, ANRs, freezes, memory leaks, and jank ✅ Buttery 60 FPS gaming animations & gestures (Reanimated, Gesture Handler) ✅ Native modules & bridging (iOS/Swift, Android/Kotlin) ✅ Payment integrations — Stripe, Razorpay, Juspay, Adyen, UPI ✅ CI/CD & instant updates — Bitrise, Fastlane, CodePush OTA, store releases MY STACK: React Native, React.js, TypeScript, Expo, Redux/RTK, React Query, Reanimated, Flashlist, Native Modules, Node.js, GraphQL, AWS, Crashlytics, Sentry. I've led teams of 7-8 engineers, so I communicate clearly, plan realistically, and care about your product — not just closing a ticket. You'll always know where things stand. Whether you're starting a new app or fixing one that's falling apart, send me a message with your project. I'll reply with honest, specific input on the best way forward — no generic sales pitch.
Ahmad M.
$83/hr
$2K+ earned
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- Frameworks: .NET, Angular, React, Next.js, Flutter, Vue.js, Node.js, Ruby on Rails, Wordpress, Shopify, Remix, Flask. - Languages: Typescript, Javascript, C#, Dart, SQL, NoSQL, PHP, Ruby, C++, Swift, Python, XML, JSON. - Protocols/APIs: GraphQL, REST, SOAP. - Strong understanding of both frontend and backend development, ensuring seamless integration and optimal performance.
Tuan C.
$60/hr
100% Job Success
$100K+ earned
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✅ High Quality ✅ On-Time Delivery ✅ Good/Frequent communication. I have 13+ years of experience (4 years in London, UK) in Web/Mobile development, with practical solid UI/UX skills. I have previously worked with many US/EU customers and helped them launch their products successfully. My focus is on building a clean, fast, and modern web application so you can focus on delivering value to your customers. Why should you hire me? I'm an all-rounded developer with various experiences in building and managing dozen of software projects. I can help you focus on delivering value to your customer, so you can start and grow your business. Send me a message so we can start discussing how I can deliver value to you. What are the skills I offer: ◾ HTML5 / CSS3 ◾ Javascript / ES6+ / TailwindCSS, Material UI ◾ ReactJS / Next.js / NodeJS / ExpressJS ◾ Server-Side Rendering: Next.js ◾ Deployment to: AWS, GCP, DigitalOcean, Vercel ◾ Data Analytics Dashboard: Metabase
$100/hr
$0 earned
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I'm a versatile developer and designer specializing in web development, graphic design, and Java/JavaFX applications. I help clients bring their ideas to life through clean, functional websites, visually compelling designs, and well-structured software solutions, using tools like HTML, CSS, JavaScript, React, and Figma to create modern, user-friendly interfaces alongside polished branding and visual content. I'm currently a software engineering student, which keeps me sharp on the latest tools, technologies, and best practices in the field, and I take a detail-oriented approach to every project, focusing on quality, clear communication, and delivering work that meets and exceeds client expectations. Whether you need a complete website, a standout design, or a custom Java application, I'm committed to turning your vision into reality, on time and within budget.
$175/hr
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I have been working as a web app developer for more than 25 years and an iOS developer for almost 15. I love solving problems and making interfaces that people love to use. I've spent years working on, in and around user interfaces, learning what makes a good interface and what makes one great. Great design is a passion, and I translate that into code every day. I appreciate excellent communication. Whether you need some advice, help with planning, an extra hand with design or development or someone to tackle a project from start to finish, I can help you get where you want to go. I have developed software for dozens of individual multi-million dollar clients as well as launched two successful startups and a service agency. Building things is my passion, and I love helping clients bring their vision to life. Outside of development, I love hiking, rafting, movies and travel.
$60/hr
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Professional Summary Senior iOS Developer with 10+ years of experience building high-performance iOS applications used by thousands of users. Specialized in Swift, SwiftUI, and scalable architectures (MVVM, Clean Architecture). Proven track record in improving app stability, reducing crash rates, and optimizing performance.
$60/hr
$0 earned
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I have a Bachelors of Science in Computer Science and a Masters of Business Administration. I've been building software on a variety of platforms for more than 15 years. I've built systems from the ground up and managed large software teams. I've built several successful SaaS companies and have the experience and skills to make your project successful.
$70/hr
$30K+ earned
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Extended Reality (XR) developer with more than five years of experience building XR applications and systems for academic research, healthcare training, virtual production, product visualisation, and interactive media using Unity 3D and WebXR. Experienced in combining real-time software engineering, hardware integration, and spatial design to create multi-user immersive experiences. Interdisciplinary background in software development and architecture. • Forms: Mixed Reality, Virtual Reality, Augmented Reality, Interactive Installations and Spaces • Programming Languages: C#, Javascript, Typescript, Python • Frameworks: AR Foundation, ARKit, ARCore, Three.js, A-Frame, AR.js, 8th Wall, Vuforia • Hardware: iPhone, Meta Quest, Vive Trackers, Microsoft HoloLens • Platforms: Meta, iOS, Android, Desktop • Stores: Apple App Store, Meta Horizon • 3D Modelling: Rhinoceros 3D, Grasshopper, OpenCascade • Graphic Design: User Experience / User Interface Design, Adobe Photoshop, Adobe Illustrator