Hire the best Firebase Developers in Warsaw, PL

Check out Firebase Developers in Warsaw, PL with the skills you need for your next job.
  • $50 hourly
    I am a software engineer with a solid background in high performance business applications, automation and distributed systems. With great communication business skills with multiple companies, I am passionate about maximizing my team's full potential while improving work-life balance and overall joy. I am very motivated and active, focused on achieving goals, open-minded and communicative.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Airtable
    Automation Framework
    Webflow
    Business Presentation
    API
    ActionScript
    Intuit QuickBooks
    JSON
    Automation
    Python
    Selenium
    Zapier
    JavaScript
    Make.com
  • $40 hourly
    I am a Senior Software Engineer with a passion for exploring and integrating emerging technologies into innovative projects. As a Senior Full-Stack Developer, I have a proven track record in building dynamic web applications, developing successful algorithms, and creating predictive models across various industries. My expertise in machine learning and algorithm development enables me to tackle real-world business challenges effectively. I strive to develop highly responsive, efficient, and optimized services that deliver exceptional performance. ☆ KEY QUALIFICATIONS ☆ * Developed Full Stack Web Applications which processed, analyzed, and rendered data visually. * Worked as a Backend developer, Frontend developer and quality assurance testers. Extensive experience with Laravel and Node.js as backends, and React frontends. * Planned, wrote, and debugged web applications and software with complete accuracy. * Managed time-sensitive updates, including content changes and database upgrades. * Used various ideas from distributed computing, large-scale design, real-time data processing, data storage, ML, and AI to solve challenging dataset problems. * Managed, optimized, and updated PHP databases as necessary. * Developed app integration with REST / SOAP and other APIs for Google Maps, social media logins, payment processors, and other services. * Vast experience in WordPress, Shopify, Square Space, Big Commerce, WooCommerce, PrestaShop and a lot more other applications. * Deep knowledge of Generative AI like ChatGPT, extensive capabilities with AI and ML as well. * Specialize in building CI/CD and ETL pipelines, providing DevOps services ☆ KEY SKILLS ☆ - Languages : C, Java, C#, Python, Ruby, Go, PHP7, HTML5, CSS3, JavaScript, XML, SQL, JSON and etc. - Databases : MySQL, MongoDB, Firebase, PostgreSQL, MariaDB. - Frameworks/Libraries : Laravel, Express, jQuery, Bootstrap, Astro. - Web Platforms : Apache, Ngnix. - Development Stacks : LAMP, WAMP. - Unit Testing/Task Automation : PHPUnit. - Versioning Tools : GitHub, GitLab. - CI/CD: Jekins, Docker, Firebase hosting
    vsuc_fltilesrefresh_TrophyIcon Firebase
    API
    Python
    C#
    Web Development
    Next.js
    JavaScript
    DevOps
    Laravel
    PostgreSQL
    MongoDB
    MySQL
    React
    Node.js
    PHP
  • $40 hourly
    Main interest => Golang (Go) development and software architecture. Other languages: Laravel(PHP) - production experience with big projects. Rust, Python, Nodejs, Java - basic level (small tools, agents, scripts, POC projects). Technical stack: Linux, Grafana, Prometheus, InfluxDB, Telegraf. GCP, Firebase, AWS, Oracle Cloud. Ebay API (desktop applications, tools etc.) Ebay to Walmart bulk upload. Freeswitch, Kurento, Cisco CUIC, UCCX. SQL (MySQL, Postgres), Elasticsearch, Redis. Messengers integrations (FB messenger, Skype, Viber, Telegram, VK). Flussonic, ONVIF, ISAPI, OPCUA. Wails desktop apps with React JS. Selenium, Selenoid, Playwright automation.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Rust
    FreeSWITCH
    Cisco CallManager
    Facebook Development
    PostgreSQL
    eBay API
    PostgreSQL Programming
    Golang
    MySQL
    Prometheus
    Laravel
    Grafana
    Data Scraping
    Elasticsearch
    Selenium
  • $35 hourly
    Enthusiastic developer with 6 years of experience in software development, with 3 years of exclusive experience in Node.js web development. I believe that every man should raise exception in a child process, sort a binary tree and build a house hunting web application. Computer science is not only my daily routine but also my passion - I love to experiment and improve as a developer. I have experience in CI(Github Actions, Circle CI and Bitbucket Pipelines), automated(and not) deployment to test and production environments, containerization, unit/integration testing, git(git-flow, conventional commits) and other stuff required for web application development.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Drift
    Flutter Stack
    Linux
    Google Cloud Platform
    Docker
    PostgreSQL
    Firebase Cloud Firestore
    MongoDB
    SQL
    JavaScript
    Node.js
    React
    TypeScript
  • $34 hourly
    Hello, I have 5+ years of commercial iOS development. I have more than 10 successful projects in App Store Main responsibilities: 1. Architecture and custom UI 2. App delivering 3. Bug fixing 4. Unit tests 5 CI/CD (Azure, Firebase App distribution, Sonarqube, Cobertura and etc)
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Mobile App Development
    CI/CD
    iOS
    App Marketplace
    Swift
    Augmented Reality
    RxSwift
    JavaScript
    Facebook Development
    iOS Development
    Objective-C
  • $50 hourly
    Creation and support of mobile applications. Created over 10 apps with over 5,000,000 installations.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    App Store
    SwiftUI
    Invoicing
    Google Play
    Analytics
    Google Ads
    Mobile App Development
    Swift
    iOS Development
    Android App Development
    RESTful Architecture
    Java
    Kotlin
    Map Integration
  • $35 hourly
    👩🏻‍💻 A Ruby-on-Rails and Python developers with more than 15+ years of experience, and therefore we will meet all of your expectations and requirements in a short period of time and in an excellent manner. ◽️ The Scalewill team alongside me includes high-ranking and qualified specialists. By working together we will speed up your project and finish the work meeting tight deadlines. We have all relevant experience and sources to complete your project successfully. ◽️ We offer the following opportunities: - Deep web development experience and a full range of services - English communication skills - Positive and professional attitude towards all of the work that we provide ◽️ We are based in Warsaw, Poland, our team consists of high-ranking, senior, skilled specialists, who will do their best to finish the work in a short period of time and in an excellent manner. Our team currently looking for challenges and long-term partnership with a highly-qualified professional team. This involves end-to-end development, including analyst, coding, testing, and deploying to end-user. The following keywords are important: code-quality, scalability, automated tests, timely delivery. ◽️ Technical expertise: - Backend Ruby on Rails and Python/Django - REST API, GraphQL API development - Database design and programming using PostgreSQL / MongoDB / MySQL(MariaDB) - Websites development using Javascript/Hotwire/Stimulus, HTML5, CSS3, SASS, Bootstrap - Server management and configuration: Heroku, AWS, DigitalOcean - Server monitoring: NewRelic, AppSignal, DataDog - Integration with popular APIs: Google, Amazon, Facebook, Twitter, Shopify, Stripe etc. - TDD / BDD - Unit and feature testing (RSpec, Capybara, VCR) We are looking forward to work with you & maintain a long-term cooperation. Let's schedule a call and discuss the further scope in detail. Please let me know what time is suitable for you.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    In-App Purchases
    MySQL
    User Authentication
    iOS SDK
    Native App Development
    Tablet
    Ruby on Rails
    Android
    iOS
    Social Media Account Integration
    SQLite
    Objective-C
    Swift
    Web Development
  • $35 hourly
    I'm Senior React Native & React developer. Love to create incredible applications & solve complex tasks. 𝗪𝗵𝗮𝘁 𝘆𝗼𝘂 𝗰𝗮𝗻 𝗲𝘅𝗽𝗲𝗰𝘁 𝗳𝗿𝗼𝗺 𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗺𝗲? ✅ Trust ✅ On-time delivery ✅ Great communication level ✅ Daily Updates During my 7+ years of experience in React Native & React I'v implemented a lot of features, complex tasks including: ✔ Developing Apps from scratch to release ✔ CI/CD for Mobile and Web applications ✔ Maps Integration ✔ Push Notifications ✔ Localization ✔ Upgrading to newer React Native & ReactJS versions ✔ Routing ✔ Social Media Login (Google | Apple | Twitter | Linkedin) ✔ Location Service
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Web Development
    Next.js
    iOS
    Java
    Android
    Google Maps API
    iOS Development
    Android App Development
    Hybrid App Development
    CI/CD
    JavaScript
    TypeScript
    React
    React Native
  • $38 hourly
    I'm a highly focused and motivated software developer. Organized, methodical and a keen eye for detail results in solid coding and trustworthy mobile apps. Transforming client requirements into great apps based on a clear and quality code are core values in achieving long-lasting relationships. Technologies & tools Kotlin 5 years Android 5 years Swift 4 years iOS 3 years Dart 3 years Flutter 3 years
    vsuc_fltilesrefresh_TrophyIcon Firebase
    RESTful API
    API
    Blockchain
    Android SDK
    Flutter
    Kotlin
    C++
    Swift
    API Integration
    Android
    Android App Development
    iOS
  • $56 hourly
    🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️ I am a Senior Full Stack developer with a decade of experience in Java, Node JS, Angular, Android, Flutter, Mobile, Okta, and all modern Clouds(AWS, Google, Azure, PCF, DigitalOcean, Openshift) Domains: 👉Fintech 👉HealthCare 👉FoodTech 👉Telecom App Types: 👉 Flutter 👉 Android 👉 IOS 👉 Mobile 👉Web 👉Chrome Extension 👉 Okta(OAuth) Integration, SAML, IDP, OAuth. ✅I have developed over 100 applications of varying complexity and size - from small to enterprise level. I look forward to the opportunity to implement your project with the highest possible level service.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    CI/CD
    Flutter Stack
    API Integration
    React Native
    Tablet
    User Authentication
    iOS Development
    User Profile Creation
    Android App Development
    Smartphone
    iOS
    Android
    Flutter
    Mobile App Development
  • $40 hourly
    ⚡Look no further, I'm your trusted partner for mobile app development of any complexity level. Built from scratch and successfully published to Apple and Google stores over 40 apps! Check out my portfolio. 👨‍💻 5-star rated | 100% Job Success | 9+ years experience 👨‍💻 Android apps since 2014, and iOS since 2018, which is shown in my profile history. 👨‍💻 Bachelor's degree in software engineering ✅ Android: Java, Kotlin, MVVM, RxJava, Dagger ✅ iOS: Swift, Objective C, MVP, RxSwift ✅ Cross-platform: React Native, Flutter Our collaboration typically begins with a video call to discuss the project details and its implementation. After this, clients can request an estimate and expect regular updates on the project's progress. If you have a challenging idea, don't hesitate to get in touch. Let's work together to bring your vision to life!
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Mobile App
    Hybrid App
    Flutter
    Mobile App Development
    Android
    React Native
    Android App Development
    iOS
    Hybrid App Development
  • $30 hourly
    Hello! Are you in need of a skilled and reliable freelancer to help with your next project? Look no further! With 4+ years of experience in web development, I am well-equipped to handle any task thrown my way. My expertise includes building web applications any complexity, and I have a proven track record of delivering high-quality work on time and on budget. I understand the importance of communication and will work closely with you to ensure that your needs are met and that the final product exceeds your expectations. I am highly responsive and always willing to go the extra mile to make sure that you are satisfied with the results. Why should you work with me? - Good quality of code - 24/7 - 100% REFUND if result doesn't satisfy you - Reasonable Cost - Fast Delivery - Flexible Timing - Extensive experience with JavaScript, React - Experience in building project architecture - Extensive working knowledge of making HTML markup - Have extreme attention to detail Programming languages: JavaScript Web technologies and Frameworks: HTML5, CSS3, Sass/Less, React, React hooks, Material-UI, Redux, MobX, Next.js Version control systems: GIT IDE & Tools: Visual Studio, WebStorm Project builders: Gulp, Webpack, CRA OS platforms: Linux, MS Windows Family I'm looking forward to work with you
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Redux Thunk
    Redux Saga
    jQuery
    CSS 3
    HTML5
    CSS
    Next.js
    TypeScript
    webpack
    Material UI
    Sass
    Web Development
    React
    JavaScript
  • $30 hourly
    I am an experienced and motivated strong senior iOS developer, interested in skillfully creating creative mobile applications and utilities. I understand the importance of creating easy-to-read, reusable, and easily maintained source code. I constantly strive to learn new technologies and look for ways to improve myself in this rapidly changing industry. My strengths and skills: - 7 years of iOS development - Degree in Computer Science - Experience developer native iOS application - Knowledge of APIs and design patterns (MVC, MVP etc) - Push notifications - REST API development skills - Experience MapKit, MapBox - Stripe - Firebase - Firestore - Crashlytics - In-App purchases - etc
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Websockets
    JSON
    SnapKit
    Mixpanel
    Mapbox
    MapKit
    Push Notifications
    iOS Development
    iOS
    Alamofire
    Swift
  • $40 hourly
    I specialize in building high-quality native iOS and Android applications (Swift | Kotlin), as well as cross-platform solutions using React Native, Flutter, and other popular frameworks. My expertise extends to all aspects of mobile app development, including UI/UX design, API integration, performance optimization, testing, and deployment
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Dart
    FlutterFlow
    Flutter
    Tailwind CSS
    Next.js
    Vue.js
    Web Development
    Stripe
    Redux
    RESTful API
    TypeScript
    React Native
    Mobile App Development
    React
  • $40 hourly
    Hello! I'm an experienced Full Stack Developer with a strong passion for creating user-friendly and high-performance web and mobile applications. With over 8+ years of experience in full-stack development, I have honed my skills in various technologies, such as JavaScript, React, Node.js, Python, Django, Ruby on Rails, HTML5, CSS3, and more. I am committed to delivering top-quality solutions that exceed your expectations. Core Skills: Front-end Development: HTML5, CSS3, JavaScript (ES6+), React, Redux, Angular, Vue.js, Bootstrap, Material-UI, Responsive Design Back-end Development: Node.js, Express, Python, Django, Ruby on Rails, RESTful APIs, GraphQL, PHP, Laravel Mobile App Development: React Native, Flutter, Ionic, Swift, Java (Android) Databases: MySQL, PostgreSQL, MongoDB, Firebase, SQLite Version Control: Git, GitHub, GitLab, Bitbucket Deployment & CI/CD: Docker, AWS, Heroku, Vercel, Netlify, Jenkins, Travis CI Agile Methodologies: Scrum, Kanban Why Choose Me: Strong communication skills: I understand the importance of effective communication and can fluently speak and write in English. Attention to detail: I believe that every detail matters, and I ensure that my work is of the highest quality by thoroughly testing and reviewing the code. Problem-solving mindset: I am adept at analyzing complex issues and providing innovative solutions to overcome challenges. On-time delivery: I understand the value of your time and make sure to deliver projects within the agreed-upon timeframe. Continuous improvement: I stay up-to-date with the latest industry trends and technologies to deliver cutting-edge solutions. If you have any questions or would like to discuss your project requirements, please don't hesitate to reach out. I look forward to working with you and delivering a successful project that meets your needs.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    LangChain
    Selenium
    API
    API Integration
    PHP
    WooCommerce
    Django
    Data Science
    Automation
    Python
    Node.js
    TypeScript
    Amazon
  • $40 hourly
    Thanks for visiting my profile! I'm an experienced Full Stack Web Developer with over 8 years of dedicated work in web development. I have a strong passion for creating dynamic and user-friendly websites and web applications. One of my core strengths is seamlessly connecting front-end and back-end components, allowing me to create fully functional web applications. Whether it's integrating APIs, managing databases, or optimizing performance, I've got it covered. I prioritize UI/UX design, ensuring that your websites and apps are functional but also intuitive and attractive. Security is a top concern, and I follow best practices to safeguard your project against threats and vulnerabilities, keeping your data and users safe. Here are some of the services I offer: - Custom Ecommerce Website - Website Performance Optimization. - Real-Time Application With WebSocket - Bug Fix Existing Website - Cross-Site Scripting Protection - API Development - Third Party API Integration - Optimized Database Design - Deployment (Digital Ocean, AWS, Hostinger, Shared Hosting) If you're seeking an experienced Full Stack Web Developer with over a 8-year track record of excellence, don't hesitate to reach out. Let's discuss your vision and create web solutions that exceed your expectations. Contact me today to get started!
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Scripting
    Selenium
    API
    Chatbot Development
    API Integration
    PHP
    Laravel
    React
    Flask
    Python
    Node.js
    TypeScript
    MySQL
  • $40 hourly
    Quality Work + Fast Speed = Excellent Result + Business Success, this is my working style. In this site, if you want to implement your idea, then I am always ready for you. Our Skillset: - iOS and Android (Native, Cross Platform and Hybrid) - Web: Web development, Core PHP, WordPress, HTML 5, CodeIgniter, Bootstrap, Laravel, CSS, JS, Angular, Ajax - Database: MySQL, Firebase DB MASTERED SOFTWARE: - Android Studio - Eclipse - Visual Studio MASTERED SERVICES: - UI/UX - App Dev - App/Website UI - Brand Building - Graphic Designing SERVICES - Free support - Every time available - Flexible with any time zone as per project requirement
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Native App
    UX & UI
    Android SDK
    Dart
    Swift
    Kotlin
    FlutterFlow
    Flutter
    IOStoken
    Android
  • $45 hourly
    SERGEY SLAVINSKIY Warsaw, Poland slavinski.sergey@gmail.com +48 (571) 485960 Principal Software Engineer with over a decade of experience who loves solving complex problems and carrying deeply about UX * A self-starter with excellent problem-solving abilities, effective communication skills and a team-player mindset * Started career in 2011 and have proven expertise in diverse business domains including e-commerce, healthcare, fintech, sport, social networking and online employment My background and achievements: * Proven track record of anticipating technical problems that will fall out of major products and designing solutions to overcome those problems * Proficient in architectural and technology needed to grow the business over the longer-term horizon
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Unit Testing
    A/B Testing
    Realm Database
    Core Data
    Swift
    SwiftUI
  • $30 hourly
    Hello. I'm a full-stack iOS/Android/PHP/JavaScript/TypeScript/React/React Native developer and problem solver with more than 15 years of experience. Specializing in MERN and LAMP stacks, artificial intelligence (AI). What I do: 📱 Mobile apps, 🖥️ Desktop apps, 🌐 Websites, ⚙️ Web services, 👨🏻‍💻 Admin Backends, 🧩 API for them, 🤖 ChatGPT integrations. Kinds of software I've created: 🛍️ Shopping & online stores, 🏃 Sports, 🎮 Games, 🧘 Medicine & well-being, ✈️ Travel, 💰 Bank systems, 📣 Ad networks, 🛡️ Insurance, 🛬 Landing pages. I have strong skills in the following programming languages: 📜 TypeScript, ☕ JavaScript, 🦅 Swift, 🎯 Objective-C, 🐘 PHP, 🐱 Kotlin, ☕ Java. Frameworks and technologies: 🦕 Deno & Node, ⚛️ React, ⚛️ React Native, 🤖 ChatGPT API, 🆁 Redux, 🆁 Redux Toolkit, 🐆 Nest.js, 🅽 Next.js, 🆅 Vue, 🐆 Fastify, 🥤 Fresh, 🅰 Apollo GraphQL Client and Server, 🔌 Relay, 🅼 MobX, 🌳 Koa, 🅴 Express.js, 📈 GraphQL, 😎 Swagger, 💨 Tailwind, 🦅 SwiftUI, 🎥 Lottie Files, 🥤 Cocoa Touch, 🥥 Cocos2D, 🅻 Laravel, 🎵 Symfony, 🆈 YII and YII2, 🔥 CodeIgnitor, 🆉 Zend Framework. Databases: 🍃 Mongo, 🐬 MySQL, 🐘 Postgres, 📄 TypeORM, ➡️ Doctrine, ⚪ DynamoDB/PartiQL, 🔴 Oracle, 🅲 CoreData, 🟣 Realm. Cloud Computing: 🐳 Docker, ☸️ Kubernetes, ☸️ Google Kubernetes Engine, 🌊 DigitalOcean Cloud, 🅷 Heroku, 🆁 Render.com, ☀️ Netlify, 🅰 Microsoft Azure. I have developed over 20 iOS apps, 15 React Native apps, several Android apps, APIs for some of them, over 20 websites. I'm proficient in problem-solving and have solid track record of success in solving complex problems for teams that have struggled to do so on their own. I like to explore modern technologies, build amazing user interfaces, develop software of any complexity. I always strive to create apps and sites according to the best practices, thoroughly test them and provide the best user experience. It's important to me to write clean and readable source code which is easy to understand and maintain for any other developer.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    UX & UI
    Yii
    Database Development
    Laravel
    iOS Development
    API Integration
    React Native
    MongoDB
    Java
    PHP
    Swift
    Objective-C
    Hybrid App Development
  • $17 hourly
    As a developer, I possess over six years of commercial development experience, having worked with both large enterprise projects and small startups. I take pride in receiving great reviews from all my clients for my work. Whether working solo or as part of a large team, I focus on ensuring the success of your application and utilize all of my expertise to help your business thrive. It's worth noting that my contributions extend beyond mere code writing. Top Skills: - JavaScript / ES6 / Typescript - React / Next.js - React Native - Angular / Ionic - Node.js / Nest.js - Flutter (Android & iOS development) - Firebase Also I have an experience with Tailwind, GraphQL, Apollo, PostgresQL, Amazon services (S3, Cloudfront, EC2 and etc.), Docker, Bash scripts. If you're seeking an excellent solution for your ideas, please feel free to get in touch with me.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    API Development
    CSS
    Next.js
    Web Development
    Angular
    TypeScript
    React Native
    JavaScript
    HTML5
    React
    Node.js
    Mobile App Development
    Ionic Framework
    Flutter
  • $16 hourly
    Experienced Front End Developer with a demonstrated history of working on diverse web development projects. Proficient in a wide range of technologies including React, Angular, TypeScript, Redux, and Firebase. Passionate about creating user-friendly interfaces and interactive features that enhance user experience. Successfully developed advanced real estate web applications and sports planning tools. Fluent in English and native in Russian, with a strong foundation in JavaScript/Front-end development.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Tailwind CSS
    Google Maps
    Google APIs
    Strapi
    SCSS
    Next.js
    Node.js
    Redux
    React
    Front-End Development
    JavaScript
    TypeScript
  • $40 hourly
    If you are seeking a Professional Mobile App Developer (iOS, Android, Hybrid, Native), you have come to the right place. I am an experienced Android and iOS app developer dedicated to creating top-quality mobile applications for Android and iPhone platforms. Additionally, I can design and develop a web-based admin panel for your mobile app projects. SERVICES OFFERED: - Android app development - iOS app development for iPhone - Native app development - React Native app development - Flutter app development - Mobile app development - UI/UX app design Types of iOS and Android applications I have previously developed: - E-commerce applications - Social applications with real-time chat functionality - Games for iOS and Android platforms - Health and fitness apps - Reservation applications - Tools and utility applications ...and much more! WHY CHOOSE ME: - Swift delivery of services - VIP customer support - Professional expertise in mobile app development - Experienced in Android and iOS app development - Exceptional UI/UX app designs - Bug-free Android and iPhone applications - 100% Satisfaction Guarantee
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Amazon Web Services
    PHP
    Laravel
    ExpressJS
    Node.js
    PostgreSQL
    MongoDB
    GraphQL
    REST API
    Kotlin
    Java
    Swift
    Flutter
    React Native
  • $25 hourly
    Hello. I'm an independent Web3 & Full-Stack Engineer, specializing in MERN/Next.js/React Native/AWS and Rust/Solidity on Solana/Cosmos/Ethereum. Skilled in the following tech stacks: 💎 Web3 & Blockchain - Built DEFI, DEX, NFT/Token Minting, Staking, Breeding, Raffle/Auction, Mutex(Evolution), Marketplace, Launchpad, ICO/IDO, DAO mainly on EVM, Solana, and Cosmos(Injective, Orai). - Developed Simple P2E Games like Dice, Guess Number, Moonshot, CoinFlip, and Poker ☯ Services - Frontend: JavaScript / TypeScript, React, Next.js, React Native, Expo, Flutter, WebGL, D3.js, Chart.js, PWS - Backend: ExpressJS, Node.js, NestJS, Python, Flask, Django, FastAPI - Databases: MySQL, PostgreSQL, MongoDB, DynamoDB, Redis, Firestore, Realtime Database ☁️ Cloud - AWS - Firebase - GCP Reach me to mark a miracle in your business! Thanks.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Swift
    React Native
    Flutter
    MERN Stack
    Material UI
    Tailwind CSS
    Docker
    TypeScript
    Dart
    Amazon Web Services
    Python
    Vue.js
    Node.js
    Ruby on Rails
  • $40 hourly
    I specialize in building high-quality native iOS and Android applications (Swift | Kotlin), as well as cross-platform solutions using React Native, Flutter, and other popular frameworks. My expertise extends to all aspects of mobile app development, including UI/UX design, API integration, performance optimization, testing, and deployment
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Dart
    Google Cloud Platform
    Push Notifications
    Java
    Kotlin
    Mobile App
    Android
    iOS
    FlutterFlow
    Flutter
    Swift
    React Native
  • $15 hourly
    I am a junior web developer. Currently, I am proficient in building websites using ReactJS and NextJS, and I am actively expanding my skills in backend development with NodeJS. While I consider myself still in the learning phase, I approach each project with enthusiasm and a commitment to improvement. Additionally, I am exploring desktop application development as part of my journey in software engineering. I am ready to help you build a fullstack website, as well as decent desktop application.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    JavaScript
    Firebase Realtime Database
    MongoDB
    React
    Node.js
    Next.js
    C++
    SQL
    Python
    Java
  • $20 hourly
    I am a highly skilled and creative Android Developer specialising in developing applications using the latest Android SDKs and Kotlin Multiplatform including Jetpack Compose, Jetpack Navigation, Kotlin Coroutines, Kotlin Flows, Google API etc. I widely use MVVM pattern and REST-based integrations. My Android skills are proven by great references from clients I was working with and great feedback from other team members. You can find them on my LinkedIn profile. ANDROID TECH STACK: Android SDK • Jetpack Compose• Kotlin Coroutines• Kotlin Flows • Dagger • Material UI • HILT • Room • Retrofit • Espresso - Mockito • Lottie • Coil • Moshi • GSON • OkHttp • Robolectric and more In my portfolio, I highlight a significant project from 2023-2024 where I developed the user interface using Kotlin and Jetpack Compose. I also integrated Android with Kotlin Multiplatform Mobile (KMM) and handled the business logic for an application developed for the UK's largest pub group. If you are interested in my private projects, ask me for permission to private repositories on my GitHub.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Figma
    Scrum
    Agile Project Management
    CI/CD
    Retrofit
    Google APIs
    Git
    REST API
    SQL
    Android SDK
    Android App Development
    Mobile App Development
    Java
    Kotlin
  • $35 hourly
    👋 Hey! I'm Taras - Lead Developer & CTO at Archonit with more than 10+ years of deep knowledge and commercial experience in mobile development, technical consulting, and project management. Here are some of my top achievements: ⭐️ My clients made $1M+ with apps I developed ⭐️ 10+ years of commercial experience ⭐️ 70% of client return rate ⭐️ Over 40 projects completed and launched ⭐️ Saved $500K+ to clients by selecting a cost-effective stack for development ⭐️ 10M+ active users across developed products ⭐️ 4.5 average rating of products in App Store & Google Play 𝗔𝗿𝗰𝗵𝗼𝗻𝗶𝘁 isn't just a freelance software development agency. We are visionaries and experts in product ideation, analysis, prototyping, and validation. Our team guides clients from the initial idea through to securing investment rounds or planning a successful exit. Why work with us? ✅ 𝟏𝟎𝟎% 𝐆𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞𝐝 𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐲 𝐨𝐫 𝐲𝐨𝐮𝐫 𝐦𝐨𝐧𝐞𝐲 𝐛𝐚𝐜𝐤 ✅ Cost-effective development approach ✅ Business and product approach to your project ✅ 3 months of FREE maintenance We take care of the full development cycle - from product analysis to delivery to the market, so you can concentrate on your business growth! Industries we serve: 🔸Healthcare & Fitness 🔸Social Networks 🔸Food & Restaurants 🔸 Retail & E-commerce 🔸On-demand solutions 🔸 Logistics & Distribution 🔸 Real Estate 🔸 Travel & Hospitality 🔸 E-learning 🔸Blockchain & NFT Technologies we use in my projects: *️⃣ Mobile Apps: Swift, Kotlin, React Native, Flutter *️⃣ Web Apps: React, Angular, JavaScript *️⃣ API development: Node.js, PHP, Laravel, Python *️⃣ E-commerce development: Shopify, Magento, Woocommerce *️⃣ Blockchain development: Solidity, Ether.js, Hardhat, Truffle, Rust *️⃣ Design: Figma, Adobe *️⃣ Cloud Services: AWS, Google Cloud, Firebase, Our first call? Expect an in-depth Zoom discussion about your project, followed by a comprehensive plan based on your needs. If we're a good fit, let's move forward. If not, I can provide advice and referrals to ensure your project's success. General process: 1️⃣ Discovery call: Understanding your needs through a face-to-face Zoom call. 2️⃣ Discovery document: Outlining your project requirements. 3️⃣ Design phase: Based on specific needs, this could involve a professional designer or a basic concept. 4️⃣ Back-end development: Creating APIs, documenting processes. 5️⃣ Development cycles: Regular updates and feedback sessions. 6️⃣ Deployment: A carefully staged and executed process. 7️⃣ Continuous support: 3 months of FREE maintenance, so if any bugs & errors appear I will fix them without any extra charges.
    vsuc_fltilesrefresh_TrophyIcon Firebase
    Facebook
    Web Development
    Amazon Web Services
    JavaScript
    Python
    PHP
    React
    Node.js
    Kotlin
    Swift
    Flutter
    React Native
    Mobile App Development
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by

How do I hire a Firebase Developer near Warsaw, on Upwork?

You can hire a Firebase Developer near Warsaw, on Upwork in four simple steps:

  • Create a job post tailored to your Firebase Developer project scope. We’ll walk you through the process step by step.
  • Browse top Firebase Developer talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top Firebase Developer profiles and interview.
  • Hire the right Firebase Developer for your project from Upwork, the world’s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a Firebase Developer?

Rates charged by Firebase Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a Firebase Developer near Warsaw, on Upwork?

As the world’s work marketplace, we connect highly-skilled freelance Firebase Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Firebase Developer team you need to succeed.

Can I hire a Firebase Developer near Warsaw, within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive Firebase Developer proposals within 24 hours of posting a job description.

Firebase Developer Hiring Resources
Learn about cost factors Hire talent