Hire the best Firebase Developers in Kyiv, UA
Check out Firebase Developers in Kyiv, UA with the skills you need for your next job.
- $33 hourly
- 4.7/5
- (57 jobs)
Hello! My name is Mykola. I’m a talented member of the DFRNC studio from Kyiv, Ukraine (UTC + 2:00). ▹Since 2018 we have helped♡ thousands of businesses (Healthcare with HIPAA regulation, E-commerce, Real Estate, Financial, Education, Manufacturing, Logistics, Law, Consulting, Marketing, IT, Fashion, Fitness, Food and Beverage) and people around the world to be different by providing outstanding solutions for their products. Let's collaborate to bring your vision to life with precision and efficiency ♥ █ As a full-stack developer with over 10 years of experience, I specialize in crafting high-performance web applications from concept to deployment. Proficient in frontend technologies like Vue.js, Nuxt.js, and Svelte, I excel in creating engaging user interfaces with seamless interactions. On the backend, I leverage the power of Node.js, Python, and cloud platforms like AWS to build scalable and resilient architectures. With a meticulous approach to design and a focus on clean, maintainable code, I ensure that every project I undertake meets the highest standards of quality and reliability. Skills: √ Frontend Development: TypeScript, JavaScript (Vue.js, Nuxt.js, Svelte), Vue 3, GSAP (GreenSock Animation Platform), Three.js, Matter.js, D3.js, Figma, Photoshop, Illustrator, WordPress (including WooCommerce), Shopify √ Backend Development: JavaScript (Node.js), Python, Nest.js, Express.js, Firebase, Google Cloud, AWS, SQL, MongoDB, Redis, Docker, Kubernetes √ Tools and Version Control: Git, Vue CLI, Webpack Why Hire Me? ∙ Extensive experience in both frontend and backend development. ∙ Proficiency in a wide range of technologies, allowing for flexible and adaptable solutions. ∙ Strong communication skills and ability to work collaboratively in a team environment. ∙ Proven track record of delivering high-quality, scalable solutions on time and within budget. Ready to bring your project to life? Let's discuss your requirements and how I can help you achieve your goals. Be different㋡ - take your business to a new level!FirebaseLanding PageAdobe After EffectsCanvasCSSHTML5CSS 3HTMLWordPressContent Management SystemThree.jsD3.jsMongoDBNestJSNode.jsNuxt.jsSvelteVue.jsPythonTypeScriptJavaScriptSVGGSAPAnimation - $40 hourly
- 5.0/5
- (43 jobs)
"Probably the best developer I've ever hired, and I've hired a lot over the years... just wish I had more work for him to do. Thanks a lot!" - Feedback from the CEO of a prominent tech enterprise. Key Skills & Expertise: Mobile app development: Native iOS (Swift/Objective-C), Android (Kotlin/Java), Proficient in languages: Swift, Objective-C, Kotlin UI Design expertise: UIKit, SwiftUI, Autolayout, SnapKit, Jetpack Compose Reactive Programming: Combine, RxSwift Architecture Patterns: MVC, MVP, MVVM, VIPER, TCA Testing Expertise: XCTest, XCUITest, Appium Dependency Management: SPM, CocoaPods, Carthage, Gradle CI/CD Implementation: GitHub Actions, Codemagic, Jenkins, Fastlane, App Center, Xcode Cloud Backend Interaction: REST API, GraphQL, Web Sockets, Pusher, Supabase Mapping Integration: Extensive experience working with Google Maps, Mapbox, and Apple Maps to build location-based apps with features like geolocation, geofencing, routing, and map customizations. AI and Machine Learning Integration: Extensive experience in building AI-powered mobile apps using Open AI API and ChatGPT, leveraging machine learning models for personalized content, AI-driven recommendations, natural language processing, and computer vision features like object detection, image classification, and sentiment analysis. Firebase & Firestore: Expertise in building scalable backends using Firebase Authentication, Cloud Firestore for real-time data synchronization, Firebase Cloud Messaging for push notifications, and Firebase Storage for handling media files. Analytics Mastery: Google/Firebase Analytics, Revenue Cat, Qonversion, Adapty, Amplitude, Customer IO, AppsFlyer, Superwall ... and a vast skill set encompassing social integration, audio/video streaming using Twilio SDK and Agora IO, AR, payments, push notifications, and more. Client Reviews: "Arguably the finest developer I've ever worked with..." "Nikita exceeded expectations, going above and beyond to complete the project." "Demonstrated unwavering commitment to meeting deadlines." "Friendly and highly dedicated, consistently delivering top-notch performance." "Nik is exceptional and a true hidden gem to collaborate with!" "Outstanding experience with Nikita. Adhered precisely to budget and timeline, even amid unplanned changes." What You Can Expect: - Transparent process using various tracking tools and regular meetings. - Swift and concise responses, providing clear explanations. - Expert consulting and personalized advice tailored to your unique needs. - Seamless integration with existing workflows and effective collaboration with your team. - Flexibility to work across different time zones. - Comprehensive documentation and unwavering support throughout the transition period. Ready to elevate your mobile application development project? Let's connect and bring your vision to life! Keywords: Mobile App Development, iOS Development, Android Development, App Design, User Interface Design, User Experience Design, Swift, Kotlin, Java, Objective-C, React Native, Xamarin, App Store Optimization, Firebase, Cloud Integration, Push Notifications, In-App Purchases, App Monetization, API Integration, SDK Integration, Agile Development, Continuous Integration, Continuous Deployment, Mobile App Testing, Beta Testing, User Authentication, Biometric Authentication, OAuth, Single Sign-On, App Performance Optimization, Mobile App Security, Encryption, Data Privacy, App Analytics, Crash Reporting, Mobile Backend, Serverless Architecture, RESTful APIs, GraphQL, Web Services, Location Services, GPS, Geofencing, Augmented Reality, Virtual Reality, Machine Learning, Artificial Intelligence, Chatbots, Messaging Apps, Social Media Integration, Camera Integration, Video Streaming, Audio Streaming, Offline Mode, Data Synchronization, Multi-language Support, Localization, Accessibility Features, Mobile App Usability, Cross-Platform Development, Native Development, Hybrid Apps, Progressive Web Apps, App Prototyping, Wireframing, Mockups, User Feedback, A/B Testing, App Updates, Version Control, Git, Agile Methodology, Scrum, Kanban, JIRA, Trello, App Launch, User Retention, App Engagement, App Reviews, User Ratings, Mobile App Marketing, App Launch Strategies, App Store Submission, App Monetization Strategies, Subscription Models, Ad Integration, App Partnerships, App Scalability, Mobile Database, SQLite, Realm, Core Data, Cloud Storage, Backup Solutions, DevOps for Mobile, Code Quality, Code Reviews, Documentation, Mobile Development Tools, IDEs, Xcode, Android Studio, Visual Studio Code, App Development FrameworksFirebaseAI Mobile App DevelopmentTabletSwiftUIKotlinDartSwiftIn-App PurchasesFlutterUser Profile CreationUser AuthenticationSmartphoneMobile App DevelopmentAndroidiOS - $45 hourly
- 5.0/5
- (4 jobs)
I deliver top-notch Flutter mobile/web apps, developed in simple, crisp, transparent way with tests, documentation and automation, which are easy to pick up for other devs. With 11 years of experience, including 5 years in Flutter and 6 years in Android, I have been involved in diverse projects spanning medical assistance, survey services, fitness communities, food pre-ordering, network protection, and fintech. I've had the honour of contributing to the growth of widely-loved products, including Medisafe, Wio, and Luxtrust. Also, I've played a crucial role in the successful launch of MVPs for startups, with notable achievements like Totalfit. As my own product I launched - Gladdy, which has garnered positive reviews: ⭐This is an super awesome and simple app I truly love it⭐ ⭐The app is really good keep it going👍⭐ ⭐Just the perfect app for daily activities track and to do list planner⭐ 🌟 Working with me, you will: ★ Partner with an experienced full-stack developer with 11 years of expertise in Flutter and Android. ★ Avoid reinventing the wheel, benefiting from my expertise in leveraging existing solutions. ★ Cease struggling with planning, as I provide a structured and iterative approach. ★ Steer clear of unnecessary complexities, ensuring straightforward and effective solutions. ★ Enjoy 24/7 reliable and transparent communication throughout our collaboration. ★ Receive a dependable and high-quality code base, built with precision and best practices. ★ Achieve a sunning app, combining functionality with a beautiful design 🌟 What your project will gain from my Technical skillset: ⭐ Fast and efficient mobile/web development process, by ✅ Experience of building entire apps ecosystem from a single code base ⭐ System reliability, by ✅ Set up frameworks for Integration, Unit, Golden tests ⭐ Measured code quality, by ✅ CI pipelines with automated lint code quality validation ⭐ Effortless app deployment, by ✅ Automated AppStore/Google play deploy with Fastllane ⭐ Extendable Code base, which is easy to support, by ✅ Domain/Feature based architecture ⭐ Save time and costs on running pipelines, by ✅ CI/CD pipeline time optimisation for feature based architecture ⭐ Secure and complete backend with authentication, by ✅ Server-less backend with Firebase: Auth, Firestore, Messaging, Storage ⭐ Excessive in-app information, by ✅ Analytics reports: Mixpanel, Sentry, Crashlytics ⭐ Handy localisation, by ✅ Custom tools for localisation code generation ⭐ Flexibility in app changes without version upgrade, by ✅ Server driven UI, feature toggling ⭐ Know your customers better, by ✅ A/B testing, remote config Let’s schedule a 10 minutes introduction call to discuss your project and ensure that we will be a good fit.FirebaseSocial Networking DevelopmentDatabase ArchitectureServerless ComputingCI/CDAutomationMobile App DevelopmentFlutteriOSSQLiteNode.jsUser AuthenticationIn-App PurchasesAndroidIn-App Advertising - $42 hourly
- 5.0/5
- (10 jobs)
𝙈𝙮 𝙖𝙥𝙥 𝙙𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 𝙖𝙣𝙙 𝙙𝙚𝙨𝙞𝙜𝙣 𝙚𝙭𝙥𝙚𝙧𝙩𝙞𝙨𝙚 𝙞𝙨 𝙨𝙤 𝙡𝙚𝙜𝙚𝙣𝙙𝙖𝙧𝙮 𝙩𝙝𝙖𝙩 𝙚𝙫𝙚𝙣 𝘼𝙥𝙥𝙡𝙚 𝙘𝙤𝙪𝙡𝙙𝙣’𝙩 𝙧𝙚𝙨𝙞𝙨𝙩 𝙘𝙤𝙡𝙡𝙖𝙗𝙤𝙧𝙖𝙩𝙞𝙣𝙜 𝙬𝙞𝙩𝙝 𝙢𝙚 𝙤𝙣 𝙖𝙣 𝙖𝙥𝙥 𝙩𝙝𝙖𝙩 𝙧𝙖𝙠𝙚𝙙 𝙞𝙣 𝙤𝙫𝙚𝙧 $1,000,000 𝙞𝙣 𝙞𝙣𝙫𝙚𝙨𝙩𝙢𝙚𝙣𝙩𝙨. 𝙄 𝙜𝙪𝙚𝙨𝙨 𝙚𝙫𝙚𝙣 𝙩𝙝𝙚 𝙩𝙚𝙘𝙝 𝙜𝙞𝙖𝙣𝙩𝙨 𝙣𝙚𝙚𝙙 𝙖 𝙡𝙞𝙩𝙩𝙡𝙚 𝙝𝙚𝙡𝙥 𝙛𝙧𝙤𝙢 𝙩𝙝𝙚 𝙗𝙚𝙨𝙩! 𝘽𝙚𝙝𝙞𝙣𝙙 𝙢𝙮 𝙗𝙖𝙘𝙠 𝙢𝙤𝙧𝙚 𝙩𝙝𝙖𝙣 40 𝙥𝙧𝙤𝙟𝙚𝙘𝙩𝙨, 𝙬𝙞𝙩𝙝 3 𝙤𝙛 𝙩𝙝𝙚𝙢 𝙝𝙖𝙫𝙞𝙣𝙜 𝙢𝙤𝙧𝙚 𝙩𝙝𝙖𝙣 10,000 𝙪𝙨𝙚𝙧𝙨 👋 I'm Bohdan, a passionate UX/UI Designer and Flutter Developer with over 5 years of experience in delivering dynamic digital solutions. My attention to detail and innovative approach have been key in transforming complex requirements into impactful user experiences. 𝗪𝗵𝘆 𝗕𝗲𝘁𝘁𝗲𝗿 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲: • I understand what businesses and startups need. My skills save money, prevent losses, and ensure efficient resource use. • Optimizing app development with Flutter and Firebase, saving clients over $30,000 while maintaining high performance and security. • With 20,000+ hours in development and UX/UI design, I bring extensive experience to every project. 👨💻𝗔𝘀 𝗮 𝗧𝗲𝗮𝗺 𝗟𝗲𝗮𝗱, 𝗜 𝗵𝗮𝘃𝗲 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝘁𝗼 𝗶𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝘀𝘂𝗰𝗵 𝗮𝘀: • Health Care, • Saas, • CRM, • Fintech, • Real Estate, • E-commerce, • Social networking, • Transportation, • Real Estate, • Cryptocurrency, • Educational platforms AI, • Educational, • Unique or customized applications. 📈 𝗛𝗼𝘄 𝗱𝗼 𝗜 𝘄𝗼𝗿𝗸? 1. Project Kickoff 2. Research 3. Design Phase 4. Development Phase 5. Testing & Deployment & Support ✨𝗦𝗸𝗶𝗹𝗹𝘀: 📱Web & Mobile Development: • Flutter, • React, • React Native, • Kotlin, • Swift, • FlutterFlow, • Webflow, • Stripe, • OneSignal, • Revenuecat, • FCM Token, • Riverpod, • Provider, • Bloc, • GetIT, • Dio, • Retrofit, • Freezed, • Injectable, • Git. 🌐 Backend: • Node.js, • FastAPI, • Firebase, • MySQL, • SQLite, • Protobufs, • Moor, • REST API, • OOP. 🎨 UX/UI Design: • Mobile App Design, • Web App Design •Google Material Design, • Cupertino Design, • SaaS, • Dashboard, • Wireframes, • Prototyping, • Design Systems, • UI kits. 🛠𝗧𝗼𝗼𝗹𝘀: • Development: Android Studio, Visual Studio Code, Xcode, Github, Swagger, Postgres. Postman. • Design: Figma, FigJam, Adobe XD, Sketch, InVision, Miro, Canva, Photoshop, Dribbble, Behance. • Management: Notion, Jira, Azure, Trello, Slack. 🤝 Collaborating with me means turning complex ideas into state-of-the-art technological solutions. I look forward to discussing detailed case studies and understanding your unique requirements. 𝗜'𝗺 𝗿𝗲𝗮𝗱𝘆 𝘁𝗼 𝗽𝗿𝗼𝘃𝗶𝗱𝗲 𝗳𝗿𝗲𝗲 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗲𝘀𝘁𝗶𝗺𝗮𝘁𝗲 𝗳𝗼𝗿 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁. 👉 𝗖𝗹𝗶𝗰𝗸 𝘁𝗵𝗲 𝗜𝗻𝘃𝗶𝘁𝗲 𝗕𝘂𝘁𝘁𝗼𝗻! 𝗟𝗲𝘁'𝘀 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝗶𝘁 𝘁𝗼𝗱𝗮𝘆. 🗝️ 𝗞𝗲𝘆 𝗔𝗿𝗲𝗮𝘀 𝗼𝗳 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: iOS Development, Swift Programming, Xcode, Interface Builder, UIKit, Auto Layout, Core Data, Core Animation, SwiftUI, Combine, iOS Human Interface Guidelines, Core Bluetooth, Multithreading, Unit Testing, Debugging, App Store Submission, In-App Purchases, Performance Optimization, Dependency Management (CocoaPods, Carthage), Push Notifications, Localization, Facebook SDK, Google SDK, Firebase, Redux, TCA. Android Development, Java/Kotlin Programming, Android Studio, XML Layouts, Activities and Fragments, Material Design, Android SDK, SQLite/Room Database, Gradle, Android App Architecture, Push Notifications, Firebase, RESTful API Integration, Recycler View, Dependency Injection (Dagger, Hilt), Jetpack components, UI/UX, UI Design, UX design, User Interface Design, web design, Graphic design, Landing Pages Design, User Experience Design, Web & Mobile Design, Responsive Web Design.FirebaseREST APIAPIAI Mobile App DevelopmentMobile App DevelopmentMinimum Viable ProductiOSAndroidUser ExperienceDartFlutterFlutterFlowFigmaUser Interface DesignUX & UI - $45 hourly
- 5.0/5
- (37 jobs)
I am a highly experienced Full-stack Software Engineer with 18 years of expertise in developing mobile, web, and desktop applications. My specialization lies in iOS application development, utilizing Swift as the programming language and employing a reactive programming approach. I possess comprehensive knowledge of various programming paradigms, including Object-oriented programming, Functional programming, and Reactive programming with FRP. Code investigation and debugging are among my strengths, and I consistently adhere to best practices to ensure clean code and architectural design. With a strong understanding of project workflow, including Requirements Analysis and Management, Milestone Breakdown, Versioning, and Continuous Delivery, I am well-equipped to handle management positions and deliver high-quality projects. My DevOps skills are robust, encompassing tasks such as writing Shell Scripts, setting up CI/CD Workflows, deploying web applications, and implementing logging mechanisms. I have extensive experience with AWS and Google Cloud Console, and I have worked with Docker containers to a certain extent. The platforms and languages I am proficient in include: • iOS/macOS/watchOS/tvOS + Swift/Objective-C + SwiftUI/UIKit • Flutter/Dart • Node.js + TypeScript • Vapor + Swift • Android + Java • React + TypeScript • Angular + TypeScript • SQL/MongoDB/Realm/Redis Throughout my work, I diligently adhere to key principles and approaches such as SOLID, Object-oriented design, Domain-driven design, GRASP, and other design patterns. I embrace the principles outlined in The Clean Architecture and advocate for continuous integration and delivery, as well as test-driven development. In terms of tools, I utilize industry-standard software and platforms, including: • Xcode, SPM, CocoaPods, Carthage • Intellij IDEA, Android Studio, WebStorm, AppCode, GoLand • Git • JIRA, Confluence, Trello, Github Projects • Postman, Charles Proxy • Docker, Github Actions, Bitrise, CodeMagic, Nevercode • ANT, Fastlane, xcodebuild In addition to my technical prowess, I am an excellent team player, committed to fostering a positive and collaborative work environment.FirebaseActionScriptAdobe AIRiOS DevelopmentMobile App DevelopmentJavaScriptSwiftFlutterObjective-CNode.js - $35 hourly
- 4.9/5
- (30 jobs)
🚀 Partner with an Expert DevOps Engineer for Scalable, Secure Cloud Solutions 🔧💻 In our agency, we don’t just manage cloud infrastructure – we optimize it for efficiency, scalability, and security. With a proven track record and deep expertise in AWS, GCP, and Azure, I’m here to help take your business to the next level. A FEW FACTS ABOUT US 👇 • Certified AWS Solutions Architect • Certified AWS DevOps Engineer • Certified AWS Developer • Certified AWS SysOps Administrator • Trusted by 100+ customers globally • Official AWS Consulting Partner With a solid foundation in cloud infrastructure design, DevOps best practices, and CI/CD automation, our goal is to help you build an infrastructure that’s not only reliable and scalable but also cost-effective. 🙌 KEY AREAS OF EXPERTISE 🔹 Cloud Infrastructure – we specialize in designing robust, scalable cloud environments on AWS, Azure, and GCP, ensuring seamless performance and security. 🔹 CI/CD Automation – Implementing automated pipelines with Jenkins, GitLab, and GitHub Actions to streamline your development process and ensure continuous delivery. 🔹 Containerization & Orchestration – Expertise in Docker and Kubernetes, ensuring efficient application deployment and management with tools like Helm and OpenShift. 🔹 Infrastructure as Code (IaC) – Managing infrastructure with Terraform, CloudFormation, and Pulumi to ensure your cloud environments are fully automated and easy to manage. 🔹 Monitoring & Security – Utilizing tools like Prometheus, Grafana, and Azure Log Analytics to maintain system health, monitor performance, and ensure tight security protocols. 🏅 PROJECT HIGHLIGHTS 🔺 3DLOOK: Achieved up to 12% savings on monthly AWS bills for an AI-powered body scanning company. Umbrelly’s cloud optimization solution allowed them to reinvest in innovation while maintaining operational efficiency without any disruptions to their workloads. 🔺 Blaize: Enabled a 13.74% reduction in monthly AWS costs for a blockchain development company. The cost savings allowed Blaize to reinvest in their blockchain projects and maintain flexibility with AWS services, supporting their growth in a rapidly evolving industry. 🔺 SaaS Solution: Optimized cloud infrastructure for a fast-growing SaaS company, reducing costs while ensuring scalability and security for over 100,000+ active users. 🛠️ TOOLS & TECHNOLOGIES Kubernetes | Docker | Terraform | Gitlab | CI/CD| AWS CloudFormation | Azure DevOps | Google Cloud | AWS CDK | OpenShift | Docker Compose | Prometheus | Grafana | GCP | Containerization | Rancher | Amazon EC2, AWS Cloudfront, AmazonRDS, AWS CodePipeline | FinOps 🔎 KEYWORDS TO HELP YOU FIND ME DevOps Engineer, DevOps Practices, Continuous Integration (CI), Continuous Deployment (CD), CI/CD Pipelines, DevOps Automation, Infrastructure Automation, Infrastructure as Code (IaC), Jenkins, GitLab CI/CD, GitHub Actions, Docker, Kubernetes, Helm, Ansible, OpenShift, AWS CDK, AWS Lambda, CloudFormation, Pulumi, Docker Compose, Chef, Version Control, Deployment Automation, Monitoring & Logging, Prometheus, Grafana, ELK Stack, Automation Tools, Configuration Management, AWS Solutions Architect, AWS DevOps Engineer, AWS Certified Professional, AWS Developer Associate, AWS SysOps Administrator, Cloud Architecture, Cloud Infrastructure, Cloud Optimization, AWS Optimization, Azure Optimization, Google Cloud Optimization, Cloud Cost Savings, Cloud Security, Serverless Architectures, Load Balancing, Multi-Cloud Strategy, Hybrid Cloud Environments, Cloud Scalability, Disaster Recovery Solutions, Container Orchestration, Microservices, Application Modernization, DevOps Best Practices, Agile Methodologies, Cloud Performance Tuning, Cloud Monitoring Tools, Security & Compliance, SOC2 Compliance, Cloud Migration, AWS Cloud Management, GCP Cloud Management, Azure Cloud Management, Resource Optimization, Cost Reduction Strategies, High Availability Architectures.FirebaseMachine LearningDjangoVue.jsBlockchainRustAngularPythonReact NativeNode.jsReactMySQLFlutter - $40 hourly
- 5.0/5
- (12 jobs)
Hi! I'm a widely knowledgeable dev with mobile and backend experience. I've been creating mobile apps for the past 6 years. Experienced with Swift for iOS and React Native for Android/iOS. I implemented practically everything an app could have: payments, notifications, Firebase integrations, chats, music apps, file sharing, encryption, geolocation, maps, share sheets, 3rd-party authentication etc. I can lead apps through the whole release cycle - from scratch to distribution. Good knowledge of App Store, Play Market. CI/CD & automation. Extensive understanding of server side. Good understanding of UX. I also worked with OpenCV and DNNs. Get in touch and I will solve your problem. github.com/hbarylskyiFirebaseMobile App DevelopmentAndroid App DevelopmentiOS DevelopmentAndroidiOSJavaJavaScriptReact NativeFlutterSwiftNoSQL Database - $40 hourly
- 5.0/5
- (21 jobs)
Greetings 🇺🇦 I'm a full-stack developer with a robust knowledge of 𝐑𝐞𝐚𝐜𝐭, 𝐍𝐞𝐱𝐭𝐉𝐒 and 𝐍𝐨𝐝𝐞𝐉𝐒. As a Top Rated Plus developer with a Master’s degree in Computer science, I can guarantee high-quality, scalable code, excellent communication, and a problem-solving mindset. Some of the projects from my portfolio I'd like to highlight: 📱 One of the leading mobile operators in Eastern Europe 🏠 Real estate portal with 40 million monthly visitors 💸 Financial portal with more than 3 million users each month ₿ One of the largest Indian crypto exchange portals 🥊 Website for world boxer champion and top-5 tennis player among women I'm a hard-working, result-oriented Technical Manager who always strives to create a top-notch solution that fits business goals. My technical stack: ◾️ JavaScript, React.JS, Next.JS, GatsbyJS, Nuxt ◾️ React Native, hybrid mobile app development for Android & IOS, Expo ◾️ ElectronJS ◾️ Node.js, Express.js, Nest.js, Firebase ◾️ MongoDB ◾️ Firebase, AWS ◾️ Git, GitHub, GitLab, Bitbucket, Webpack ◾️ Figma, Sketch, Adobe Creative Suite, Zeplin ◾️ Open AI, Stable diffusion Domain expertise: ◾️ MVP development ◾️ Saas ◾️ E-commerce and marketplaces ◾️ Fintech platforms ◾️ Educational and news portals ◾️ Recruitment and HR solutions ◾️ Social media tools ◾️ Hotel and restaurant software ◾️ Healthcare solutions ◾️ Custom calculators and form builders ◾️ Other complex web apps from scratch ◾️ Mobile app development with React Native ◾️ Extension of your team by staff augmentation or dedicated team ◾️ Third-party solution integration ◾️ AI integration and custom setup Have something on your mind? Drop me a line.FirebaseBubble.ioAI App DevelopmentGPT APIAI ImplementationExpo.ioFull-Stack DevelopmentFront-End DevelopmentMERN StackNext.jsHybrid App DevelopmentJavaScriptTypeScriptReact NativeReact - $49 hourly
- 4.9/5
- (14 jobs)
EX Project manager, with over 8 years experience in development of big profitable projects and launching start-ups with a team of 10+ members. Currently experienced Front-End and Back-end Web and Mob developer, building rich UI products using latest technologies stack. Every day I am willing to learn something new and do my best to be a professional in my niche. Highly interested in creating something innovative. Always seeking for new ideas and inspiration.FirebaseMobile App DevelopmentReact NativeNestJSNext.jsTypeScriptWeb DevelopmentNode.jsReact - $40 hourly
- 4.7/5
- (105 jobs)
I am an android developer with 5 years of experience. I write native android applications in both java and kotlin. I had experience many different sdks used in android applications, such as firebase, maps, bluetooth, nfc, face detection, in-app purchases, usb devices and many others. I also have good experience with custom and external devices with their own sdks Besides I have a strong background in Finance and Mathemathics I am fluent in 4 languages: English, French, Russian and Ukrainian. Can make a quality translation from/to any of them if needed.FirebaseAndroid SDKNative App DevelopmentKotlinAndroidAndroid App DevelopmentCore Java - $25 hourly
- 5.0/5
- (7 jobs)
✅ Experience: 8+ years, both web and app 🛠️ Toolkit: Meta Ads, Snapchat Ads, TikTok ads, TripleWhale, Google Spreadsheets, Google Analytics 4, Google Ads, Canva, SQL, Looker Studio, ChatGPT4. ✨ Industries: eCommerce, Automotive, Real Estate, EdTech, FinTech, HealthTech, Travel. 🌎 GEOs: NA, LATAM, Europe, Middle East, APAC, with monthly budgets up to $150,000. 👋Hi! I’m Rostyslav, and for over 8 years, I’ve been helping businesses reach new heights in digital marketing. During this time, I’ve worked with dozens of companies across industries like eCommerce, Automotive, FinTech, HealthTech, Real Estate, and more, managing budgets of up to $150,000 per month. My expertise includes: 🔄Developing marketing funnels, media planning and launching new products. 🛠️Optimizing and scaling ad campaigns in Meta Ads, Snapchat Ads, TikTok Ads, and Google Ads. 📊 Data analytics using Google Analytics 4, Looker Studio, Firebase, TripleWhale, and Google Spreadsheets. 📈 Website conversion rate optimization. 📝Creating high-converting creatives: text, photos, videos. 🚀I’ve helped businesses in NA, LATAM, Europe, APAC, and the Middle East not only to increase sales but also to optimize costs and to improve ROMI/ROAS. If you’re looking for an expert who understands how digital marketing works and how to turn data into results, let’s discuss your project. I’m ready to help take it to the next level!FirebaseLinkedIn MarketingCanvaLucidchartSpreadsheet SkillsSQLChatGPTLooker StudioGoogle Analytics 4Snapchat MarketingTikTok MarketingGoogle AdsFacebook Advertising - $30 hourly
- 4.7/5
- (8 jobs)
I am an experienced (4 years) Front-End developer with preferences for Angular2+, JavaScript, TypeScript, NgRx, RxJS, and other libraries. I have experience making sites - Web applications, building UI with Angular, developing features, bug fixes. I write high-quality code; I use suitable solutions and programming patterns. Looking for long-term project. My timezone is UTC+2.FirebaseJestRxJSFront-End DevelopmentNode.jsReduxJavaScriptBootstrapTypeScriptCSS - $20 hourly
- 5.0/5
- (6 jobs)
Are you looking for a Front-End developer? Then I'm happy to help You! I have experience with 💼 - creating platforms - online stores - charity site - websites - business tools - working as the lead of a team, part of a team, and as an alone developer - fixing errors- adding SEO optimization - creating responsive and adaptive webpage by layout - refactoring components - improving usability - working on performance optimizing - API implementation - Stripe, PayPal payment methods - etc. Technical Skills ⚙️ + Angular 2+ + JS (ES2015+) + Typescript + HTML5 + CSS, SASS/SCSS + RxJS + NgRx + Node.js + Firebase + Algorithms and data structures + Git + Heroku, Vercel deployment services + WebSocket + Figma, Adobe XD (for layout makes) + ESlint, Prettier (for control clean code) + Jira, Trello, ZohoOne (for task management) + Agile, Scram, Kanban methodologies + etc. WHY HIRE ME? 🎯 ✔️ My goal is to understand your needs and make sure my services meet those needs and you're 100% satisfied ✔️ Experience development of 2,5 year ✔️ Using current technological solutions ✔️ Honest and transparent communications. ✔️ Long-term relation ✔️ Working full time, +30 hours a week ✔️ We may find any compromise ✔️ In development, I rely on the user's perspective for a better user experience Just send me a message and let's begin🤝🏼FirebaseAngular 2APIHTML5AngularJavaScriptTypeScriptGit - $20 hourly
- 5.0/5
- (14 jobs)
🚀 5+ Years of Experience 👨💻 Tech Stack : ReactJs | NextJs | Typescript | Tailwind | Redux | Firebase 🚀 TOP RATED ✅ 100% Job Success Rate ✅ All Projects Completed with a 5-star Rating ✅ 100% Customer Satisfaction Looking for a Front-end developer? Here's why you should pick me: 💻 Proficient in React and Next: I'm skilled in React.js and Next.js to create awesome user interfaces. 🎨 Attention to Detail: I make sure everything looks perfect and performs well. 📱 Responsive Design: Designs that look great on any device! 🤝 Collaborative: I believe in working closely with you to bring your vision to life. 🔍 Problem-Solver: I love a good challenge and finding solutions that work. No Frustration Zone! 🛑 When you choose to work with me, you won't have to worry about frustration creeping in. Here's why: 👍 Clear Communication: I prioritize open and transparent communication to ensure we're always on the same page. ⏱️ Timely Delivery: Deadlines are sacred to me, and I'll make sure to deliver on time, every time. 🤔 Proactive Problem-Solving: Rather than adding to your worries, I'll tackle challenges head-on and find solutions quickly. 👨💻 Reliable Support: I'm here to support you every step of the way, offering assistance and guidance whenever you need it. With me on your team, you can relax knowing that your project is in capable hands. Let's work together hassle-free! 😊FirebaseFront-End DevelopmentWebsocketsReduxHTMLTailwind CSSSassResponsive DesignMaterial UICSSJavaScriptTypeScriptTailwind UIReactNext.js - $30 hourly
- 4.9/5
- (4 jobs)
I have 11 years of experience working full-time as iOS/macOS development. You can see more about my experience in Employment History section. Short version: First half of my career was in outsource company Onix-Systems, where I worked on a lot of very different projects, estimated pre-sales, and lead the whole iOS department of the company. During that time I also made my own startup of a simple loan recording app Evenly, which was my main playground to learn some development/product/marketing topics deeper that I could while working main job. Then I moved to MacPaw which is a product company, where I've worked for 6 years in a product team. There I learned industry standards and state of the art approaches to full-cycle development of a product, marketing, working in a focused team, development processes, infrastructure etc. There I worked on such apps: Gemini Photos (now CleanMyPhone), Gemini 2, Swoosh Video Editor.FirebaseNotarizationConcurrent ComputingMultithreaded ProgrammingUnit TestingAmplitudeSQLBox2DMercurialGitCore DataPush NotificationsiOS DevelopmentObjective-CSwift - $30 hourly
- 4.9/5
- (31 jobs)
Hello, I'm working with Flutter (Cross platform mobile framework from Google) for more than 5 years and have deep understanding of framework and plugins. I was responsible for implementing and maintaining various mobile apps, components and tools parts including pixel perfect UI, state management architecture, user authorization, maps navigation, messaging, in-app purchases. My current stack is: - Flutter/Dart cross platform - BloC, Provider state management - Android, Android Wear (Java, Kotlin) - iOS (SWIFT) - Node.js - REST API - Google Cloud - Firebase Auth, Firebase Firestore, Firebase Distribution, Firebase Cloud Functions - Git - Facebook, Google, Apple,OAuth - CI\CD (Codemagic) - InApp purchases (RevenueCat) - Payment (Stripe)FirebaseSQLiOS SDKMobile App DevelopmentAndroid App DevelopmentFirebase Cloud FirestoreJavaKotlinAndroidSwiftFlutterDart - $15 hourly
- 4.9/5
- (12 jobs)
👋 Hi there! I'm a seasoned Frontend Developer with over 7 years of experience crafting modern, functional websites. My passion lies in transforming designs into responsive, high-performance sites with flawless precision. If you need top-quality web development that works seamlessly across all devices, you've come to the right place! 💻✨ 🔑 Key Skills: HTML5 & CSS3 — Clean, well-structured code. JavaScript / jQuery — Dynamic interactivity. Webflow & WordPress (Elementor) — Fast, end-to-end website development. SCSS / Gulp / Webpack — Optimized and organized code. Responsive Design — Perfect functionality on mobile devices and tablets. Figma to HTML/WordPress — Pixel-perfect accuracy and design consistency. 🌟 Why Clients Choose Me: ✅ Pixel-Perfectionist: I bring your vision to life with sites that mirror your designs flawlessly. ✅ Speed Optimization: I optimize code for top scores on Google PageSpeed. ✅ Full-Stack Expertise: Deep understanding of HTML, CSS, JavaScript, and proficiency in Webflow and WordPress. ✅ Clear Communication: Always available, transparent, and responsive to your needs. 💼 What I Can Do for You: Build responsive websites from scratch. Convert Figma/PSD to HTML/CSS/JS. Set up and customize Webflow and WordPress (Elementor) sites. Optimize websites for fast loading and SEO. Integrate with REST APIs and external services. 🎯 My Mission: To make your website not just visually appealing but highly effective. Every project is a challenge I transform into a masterpiece. Let’s create something amazing together! 🌍🚀 Ready to bring your project to life? Message me, and let's get started today! 😊FirebaseAirtableSupabaseREST APIMake.comFront-End DevelopmentjQueryHTMLWebflowFigmaCSSJavaScriptWeb DevelopmentResponsive Design - $30 hourly
- 4.8/5
- (13 jobs)
Skilled Mobile Engineer with more than 6 years of development experience. Started as an Android developer and then move to work with Flutter and deliver applications to both platforms. Core skills: Strong knowledge of Dart, Kotlin, Java Core, Flutter, Android SDK Good understanding of OOP principles, REST, JSON, design patterns, Android Jetpack tools Proficient in XML, SQLite, Git IDEs: Android studio, IntelliJ IDEA, NetBeans English – upper intermediate Industry aware, good problem solving skills Experince in working with third-party libraries: Retrofit, RxJava, Volley, Dagger2, Butter knife, Gson, GraphView, Retrofit, Picasso, Realm, Social networks integration( Facebook, Twitter, Instagram), Google Maps API, Youtube APIFirebaseGoogle Maps APIObject-Oriented ProgrammingXMLCore JavaJSONSQLite ProgrammingMaterial DesignAndroid SDKMobile App DevelopmentiOS DevelopmentAndroid App DevelopmentDartFlutterAndroid - $20 hourly
- 4.8/5
- (32 jobs)
Hello, my name is Vlad. I have 7 years of mobile applications development experience for iOS and Android using Flutter, Dart, Swift, Objective-C and Java. Also I have worked on Flutter plugins and native iOS libraries, Scala, Go. I am quick learner and I am opened for new technologies. I am interested to work on long term projects and I can be a good team player. Please contact me to schedule a meeting.FirebaseFigmaApp Store UploadAndroid AppIn-App SubscriptionWeb DevelopmentPlay FrameworkFlutter StackiOS SDKScalaiOS DevelopmentMongoDBFlutterPush NotificationsIn-App Purchases - $30 hourly
- 0.0/5
- (6 jobs)
Hello! I'm an experienced Flutter developer with a solid history of crafting top-notch, cross-platform mobile apps. Driven by a desire to produce user-friendly interfaces and having an acute attention to detail, I'm prepared to bring your idea to life. Core Competencies: • Flutter and FlutterFlow Expertise: My forte lies in developing mobile apps using Flutter and FlutterFlow, guaranteeing they run smoothly on both iOS and Android. This ensures a broader reach with just one codebase, optimizing efficiency. • UI/UX Mastery: I recognize the value of intuitive UI and compelling user interactions. I partner with designers to achieve exacting UI standards, ensuring your app is both functional and aesthetically pleasing. • Adaptable Layouts: Regardless of the device—be it phones, tablets, or varying screen dimensions—I guarantee your app's layout transitions elegantly, offering the best user experience across devices. • Firebase Capabilities: I'm adept at incorporating Firebase tools, offering features like real-time data, cloud communications, and secure user verification, bolstering your app's power and growth potential. • API Connectivity: I'm skilled in linking mobile apps to RESTful APIs and external platforms, allowing your application to present ever-changing data. • Quality Assurance: I systematically check and rectify applications to ensure they're devoid of errors and operate flawlessly in practical situations. • Code Management: I employ Git for efficient codebase oversight, facilitating smooth teamwork and streamlined code handling.FirebaseUser AuthenticationAPI IntegrationFlutterFlowUser Profile CreationiOS DevelopmentAndroid App DevelopmentMobile App DevelopmentAndroidiOSFigmaFirebase Cloud FirestoreDartFlutterSmartphone - $30 hourly
- 0.0/5
- (3 jobs)
✨ Prime Quality work and Effective communication throughout the complete development process are my two core values. Are you looking for a React js developer, Next js developer or a Senior Front-end developer? Then you're at your required destination. 🖐 I'm a Senior Front-end developer (Next js development, React js development) with 5+ years of experience in developing of pixel-perfect responsive web applications My skills: ✅ React js development ✅ Next js development ✅ Redux | Flux ✅ TypeScript | JavaScript | jQuery ✅ HTML 5 | CSS 3 | SASS | SCSS ✅ Tailwind CSS | Bootstrap 5 ✅ Pixel perfect design ✅ PSD to HTML | Sketch to HTML | Figma to HTML ✅ GIT/Gitlab ✅ Adobe Photoshop | Adobe Illustrator Happy to discuss projects, ideas, and things we can arrange together to assure your success. Feel free to message me with any questions.FirebaseMobile App DevelopmentReduxPythonTypeScriptAndroidiOSNode.jsReact NativeWeb DevelopmentCSSHTMLReactVue.jsJavaScript - $45 hourly
- 5.0/5
- (76 jobs)
🎖️🎖️🎖️ Expert Top Rated iOS/Swift Mobile App Developer. With 10 years of expertise in iOS development, I am proficient in crafting top-notch apps that cater to your unique requirements. 💼 Skills: 📱 iOS Development: Swift 5, SwiftUI, UIKit, Combine, Storyboard 📱 Platform Expertise: WatchOS, MacOS, App Clip, Widgets, Siri integration (SiriKit) 📱 Frameworks: CocoaTouch, Core Location, Core Animation, etc. 📱 Version Control: GitHub, GitLab, BitBucket 📱 Tools & Integration: Xcode, CocoaPods, Jira, Firebase 📱 API Integration: JSON, XML, Third-party APIs 📱 Monetization: In-App Purchase, Subscriptions, Google Ad, etc. 💬 I am passionate about developing innovative and user-friendly apps. Whether you have a small project or a large-scale app idea, I'm eager to help you bring it to life. Feel free to contact me to discuss your exciting iOS development projects. Thank you for visiting my profile, and I look forward to collaborating with you!FirebaseApple HealthKitApp StoreiPhone & iPad AppsApple WatchiPhoneiPad App DevelopmentApple XcodeiOS SDKiOS DevelopmentSwiftMobile App DevelopmentiOSNative App Development - $45 hourly
- 5.0/5
- (8 jobs)
Nice to e-meet you here , always open to cooperation 🤝 Senior front-end developer able to deal with full-cycle projects from rapid prototyping to developing stores. 🔺 I am knowledgable in React ecosystem and I am able to suggest the most relevant and suitable libraries and tool stack for your project, building a solid foundation for it from the very beginning. My key skills: ✅ JavaScript ✅ React.js ✅ Typescript ✅ Firebase/Sentry ✅ React Navigation ✅ React Native ✅ Animated/RN Gesture Handler ✅ Redux ✅ Vue.js ✅ Eslint/PrettierFirebaseGitReactMongoDBBootstrapJavaScriptTypeScriptReduxReact Native - $35 hourly
- 5.0/5
- (1 job)
This is Frederik from Ukraine, a software developer with a rich experience in React , Next.JS, Wordpress #Experience - Created a Next JS web application that handles booking, messaging. - Used Supabase to handle authentication, database. - Created a personal trainer client management system using WordPress #Main skills - React / Next JS / WordPress #Other skills - Frontend: React, Next JS , Tailwind CSS, HTML - Database: MongoDB - Backend: Supabase, Firebase. - WordPress Thank you in advance for your time and consideration. I look forward to working with you.FirebaseWeb HostingSEO PerformanceReact BootstrapNode.jsWordPressTailwind CSSCSS 3HTML5SupabaseReact NativeNext.jsThree.jsReactJavaScript - $39 hourly
- 5.0/5
- (4 jobs)
Hey Upwork Friends 👋 I'm Taras – your digital craftsman for all things web and mobile. Dreaming of an cool website or an app that everyone talks about? I'm your guy! 🌐 Web Development: Need a cool website? I've got your back with React.js and Vue.js. 📱 Mobile Development: Thinking of a cross-platform mobile app? I create awesome ones with React Native, good for both Android and iOS. Why me? ✔️ I make things look good and work fast. ✔️ I'm all about clear chat and staying in touch. ✔️ I keep things running smoothly and adjust on the fly. Got a project or just thinking about one? Let's talk for 30 minutes. I’m here to help make your digital dreams come true.FirebaseGoogle ChartsiOS SDKW3 Total CacheAndroid SDKUnit TestingGoogle MapsRedux ThunkAPIMobile App DevelopmentAndroidiOSReact NativeRESTful APIAPI IntegrationTailwind CSSWeb ApplicationWeb DevelopmentNext.jsCSSTypeScriptJavaScriptHTML5React - $40 hourly
- 5.0/5
- (7 jobs)
Hello! 👋 I am a highly motivated 𝐟𝐫𝐨𝐧𝐭-𝐞𝐧𝐝 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with over 𝐬𝐢𝐱 𝐲𝐞𝐚𝐫𝐬 of experience. I'm really excited about the potential to make a difference with the products I work on by converting business ideas into successful applications. Since 2022, I have been working as a team leader, combining my technical expertise with soft skills to manage a team. My technical stack is: ⚡️ Javascript, ReactJS, Redux ⚡️ NextJS, Typescript ⚡️ NodeJS, MongoDB, Express.js ⚡️ Firebase ⚡️ Webpack, Gulp, Grunt ⚡️ React Native, Expo.io ⚡️ Material UI, Tailwind CSS, Styled-components ⚡️ HTML5, CSS3 ⚡️ Bootstrap 3/4 ⚡️ Git ⚡️ Figma, Zeplin, Adobe Photoshop, Adobe Illustrator Some of my projects: 🧠 𝐅𝐢𝐧𝐚𝐧𝐜𝐞.𝐮𝐚 - a widely visited financial news portal, attracting over three million monthly visits. Stack: React, Redux 🧠 𝐖𝐢𝐜𝐤𝐞𝐝 𝐭𝐞𝐧𝐧𝐢𝐬 - a platform that provides an easy way to compete in amateur tennis leagues in the Boston area. Its user-friendly interface streamlines finding an opponent and schedule matches with just a few clicks, ensuring a smooth user experience. 🧠 𝐌𝐞𝐧𝐭𝐨𝐥𝐲 - a service marketplace that connects clients with qualified psychologists for virtual therapy sessions. Over 1,000 active users within the first few months of operation. Stack: ReactJS, Redux, NodeJS, MongoDB. 🧠 𝐀𝐫𝐛𝐞𝐥𝐚 - an Australian investment platform that helps to find prospective investment companies. Stack: Next, Redux, NodeJS, MongoDB. It’ll be a great match if you’re looking for help with the following: ✓ Fintech, Crypto, Trading platforms ✓ SaaS apps ✓ eCommerce & marketplace development ✓ Hybrid mobile app ✓ Social media & Advertisement apps ✓ Real estate portals, maps customization ✓ CRM, ERP development ✓ Recruitment and HRM solutions ✓ Educational portal (Edtech) ✓ Healthcare, Sport ✓ Logistic ✓ API integration I'm a highly responsible, easy-to-work-with specialist who strives to provide you with an excellent working experience. Ready to provide a free consultation and to share my expertise. Drop me a line if you'd like to discuss your project and possible cooperation 👌FirebaseGPT-4 APIStripeTailwind CSSMaterial UIExpo.ioFull-Stack DevelopmentFront-End DevelopmentMERN StackNext.jsNode.jsReact NativeJavaScriptTypeScriptReact - $52 hourly
- 5.0/5
- (6 jobs)
Hi all, I am a Senior Fullstack Engineer with 7+ years of commercial experience. - Proven track-record of delivering high-quality work and showing a high level of responsibility for all tasks - Strong focus on code quality and long-term maintenance - Ability to communicate and work well within a team - Keen eye for detail Technologies: JavaScript, TypeScript, React, React Native, Node.js, Nest.js, GraphQl, REST, Firebase, Prisma, PostgreSQL, MongoDB, AWS If you are looking for a reliable, creative and experienced IT professional, you have come to the right place - I will eagerly become your longtime partner. Let’s start to work together!FirebaseiOS DevelopmentAndroid App DevelopmentHybrid App DevelopmentMobile App DevelopmentReact NativeNestJSNode.jsGraphQLReduxWeb DevelopmentJavaScriptReactTypeScriptAmazon Web Services Want to browse more freelancers?
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