Hire the best Firebase Developers in California

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$100 hourly
Jake W.
- 5.0/5
- (39 jobs)
Hi I'm Jake! I am a Shopify developer from Somerville, MA. I specialize in Shopify 2.0 but can handle any theme thrown my way. With every client I have I listen closely to them to fully understand their business. I want to understand the why behind what they do. This allows me to position myself in a way to most benefit them and solve their problem. Here are some of my offerings: 1. Full Website Builds 2. Custom Theme Development 3. Website Redesign 4. Email Marketing 5. App Integrations 6. Shopify code edits (Liquid, Javascript, HTML/CSS) How do we proceed from here? I offer free consultations for all potential clients. It's vital that we establish that we are an excellent fit to work together. Click "hire now" to get started and I will schedule a call for us! Looking forward to getting to know you and your business, Jake

Firebase
Web Application
JavaScript
HTML5
Web Design
Shopify Templates
ERC-20
Firebase Cloud Firestore
Shopify Theme
ERC-721
App Development
Solidity
Web Design Plugin
Node.js
Shopify
MongoDB
ERC-1155
Shopify SEO
CSS
$85 hourly
Todd M.
- 5.0/5
- (11 jobs)
Hello, and thanks for visiting my profile. I have 15 years of experience in software engineering, including building and bringing two healthcare SaaS products to market. With my experience, I am confident I can help you succeed with your healthcare project. Case Studies: UnaCasePro - SaaS case management system specifically designed for public health and social services. UnaCasePro solves non-compliant documentation, helps with loss prevention, and improves user productivity. Stealth Healthcare Project: Blazor web application to process scanned physician notes using Azure Document Studio (OCR) along with a custom chatbot to interact with for health-related questions. eReferraPro: eReferralPro (SaaS) was designed to bring vertical health organizations together to extend their referral network of specialists in a way that’s surprisingly easy and cost effective. Several Smart on FHIR apps with EPIC and Cerner Top Skills: • .NET 8, Web APIs, Blazor, .NET Maui, Entity Framework, Dapper • FHIR, Firely, HL7, HIPAA • C#, JavaScript, TypeScript • MS SQL Server, PostgreSQL, RavenDB, MongoDB, Redis • Azure • Azure Document Intelligence Studio • OpenAI Let's discuss your project and see how I can help you.

Firebase
Microsoft SQL Server
Google Cloud Platform
Flutter
FHIR
HIPAA
Blazor
SQL Programming
Software Architecture & Design
Microsoft Azure
Azure DevOps
Azure Cosmos DB
ASP.NET Web API
.NET Core
C#
$40 hourly
Denis E.
- 4.9/5
- (7 jobs)
🔥 𝟭𝟯+ 𝘆𝗲𝗮𝗿𝘀 of experience in Software Development 👨‍💻 𝟱+ 𝘆𝗲𝗮𝗿𝘀 of experience using low-code/no-code tools (see the list below) ✅ 𝟮𝟬+ 𝘀𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹𝗹𝘆 𝗰𝗼𝗺𝗽𝗹𝗲𝘁𝗲𝗱 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 (can showcase/demo on request) 🚀 Co-founder/CTO experience 💎 Delivering mobile apps with exceptional quality, scalability, and performance 🧠 Creative problem-solver & out-of-the-box thinker 🏆 Highly rated by clients 💼 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗢𝗳𝗳𝗲𝗿𝗲𝗱 → Mobile App Development → MVP Development → AI Integration → Custom Code Development → UI/UX Design → Consultations 🛠️ 𝗧𝗼𝗼𝗹𝘀 𝗨𝘀𝗲𝗱 → Adalo → Flutterflow → Supabase → Firebase → Make → Zapier → Mixpanel → Twilio → Stripe → Postman → Canva → Figma → Miro → Notion → Open AI 📱 𝗔𝗽𝗽𝘀 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗱 → Mindfulness Apps → Fitness Apps → Marketplaces → E-commerce Apps → Social Networks → Travel Apps → CRM Systems → AI Apps ⚙️ 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗲𝗱 → User Authentication → In-app Purchases → Paywalls → API Integration → Onboarding Flows → Geolocation → Push Notifications → Payment Gateway Integrations → User Profiles → Ratings & Reviews → Video & Audio Integration → Analytics Integration → Notifications → Admin Panels → AI Integration ✉️ If you have a project or need a consultation, just drop me a message ✉️ ⚡⚡⚡ Discounts available for long-term or large projects ⚡⚡⚡

Firebase
AI Model Integration
Figma
Stripe
Mixpanel
Make.com
Android
iOS
FlutterFlow
Supabase
Adalo
UX & UI
Mobile App
$60 hourly
Erik N.
- 5.0/5
- (9 jobs)
I'm a principle software engineer with over a decade of experience designing, developing, and deploying complex web applications and APIs. I have deep expertise in front-end, back-end, and DevOps, and love working across the full stack. Key skills I bring to the table: - Front-End Development: React, Next.js, Svelte, Vue.js, Nuxt.js, TypeScript, Material UI - Back-End & API Development: Node.js (Express, Nest), Python (Flask, Django, FastAPI), PHP (Laravel), Ruby on Rails - Cloud & DevOps: AWS, Azure, GCP, Docker, Kubernetes, CI/CD, TDD, Agile methodologies - Data & Machine Learning: Power BI, Tableau, TensorFlow, PyTorch, scikit-learn - Database Management: MySQL, PostgreSQL, MongoDB, DynamoDB, Supabase Recent client work highlights: - Google Chrome Extensions - Enterprise Next.js website (App Router) - Web Applications featuring AI integrations - Crypto Payment rails - Led a team of international developers I look forward to the opportunity to bring my expertise and passion to your project. Let's hop on a call and chat about how I can help!

Firebase
Front-End Development
Jest
API Development
GitHub
Next.js
TypeScript
MongoDB
CSS
HTML
ExpressJS
Node.js
React
JavaScript
Python
$80 hourly
Ryan H.
- 5.0/5
- (3 jobs)
As a seasoned Senior Mobile Developer with over a decade of experience in the fast-evolving mobile app development landscape, I have honed an extensive skill set across a wide array of technologies including React Native, Flutter, Swift, Java, Kotlin, and more. My career has been marked by a commitment to excellence, innovation, and a proactive approach to embracing new technologies and methodologies. Throughout my extensive career in mobile application development, I've consistently pushed the boundaries of what's possible, leveraging cutting-edge technologies and methodologies to deliver outstanding results. My key achievements reflect a blend of technical innovation, strategic leadership, and a deep commitment to user experience: - Revolutionized cross-platform app development by spearheading projects that seamlessly integrated cutting-edge features like real-time messaging, payment integrations, and augmented reality, resulting in a 40% increase in user engagement and opening new revenue streams. - Transformed application performance through targeted optimizations, achieving a 30% reduction in load times and a 50% enhancement in responsiveness, which significantly improved user retention rates and app ratings. - Elevated code quality and reliability by leading the implementation of comprehensive unit and UI testing frameworks, achieving over 90% coverage and drastically reducing post-launch bugs and user-reported issues. - Accelerated development cycles and improved efficiency by pioneering the adoption of CI/CD pipelines and Agile practices, reducing time-to-market by 25% and fostering a culture of continuous improvement and innovation within the development teams. - Drove collaborative success with cross-functional teams, playing a pivotal role in the ideation, design, and launch of feature-rich applications. My leadership in adopting and advocating for modern architectural patterns and programming paradigms such as MVP, MVVM, and reactive programming significantly enhanced project scalability and maintainability. My approach to mobile development is user-centric and data-driven, focusing on creating seamless, intuitive, and innovative applications that meet and exceed user needs. With a proven track record of success, I am passionate about leveraging my skills to tackle new challenges and contribute to the success of dynamic, forward-thinking teams.

Firebase
Mobile App Development
Android
iOS
Dart
FlutterFlow
Kotlin
Java
Flutter
React Native
Swift
$60 hourly
Marissa R.
- 5.0/5
- (2 jobs)
I am an skilled software engineer with over a decade of experience specializing in designing and developing high-quality mobile applications for both iOS and Android platforms. My key skills include: * iOS Development: Swift, SwiftUI and UIKit framework. * Android Development: Java, Kotlin * Cross-Platform Development: Proficient in Flutter and React Native * Back-End Development: AWS, Firebase, Node.js I have delivered solutions across the finance, insurance, and legal sectors, including a collaboration app for lawyers, a fitness app integrating data from multiple devices, mobile wallets using advanced technologies, ride-sharing platforms, and enterprise-level location tracking solutions for global clients.

Firebase
RESTful API
MongoDB
Android
Android App
iOS Development
Java
GraphQL
Node.js
SwiftUI
React Native
Flutter
Kotlin
Swift
$175 hourly
Alexander K.
- 5.0/5
- (13 jobs)
Are you a company in need of a seasoned iOS engineer? Look no further! I'm Ex-Amazon, Ex-Ring, Ex-Citizen Senior/Lead level iOS engineer. I have 13 years of experience in iOS app development, specifically in startup companies. My expertise includes proficiency in Swift(UIKit/SwiftUI), Objective-C and iOS app architectures. I have also extensive experience in app performance optimization and in the integration of third-party services. I'm expert in iOS app architecting and familiar with all modern design patterns and architectures like TCA, MVVM, MVC, VIPER, etc. I can help you take your app from concept to launch, from 0 to 1 and ensure that it is built to scale as your company grows. With my experience and expertise, I can help you navigate the ever-changing landscape of iOS app development and bring your app to the next level.

Firebase
Software Architecture & Design
iPad App Development
Internet of Things
iOS Development
Objective-C
Firebase Cloud Firestore
Mobile App Development
Swift
iOS
Native App Development
$125 hourly
Josh R.
- 4.7/5
- (40 jobs)
My team and I deliver AI solutions and applications that generate measurable ROI. We combine professional-quality development with behavioral design principles to create applications that optimize user engagement, retention, and conversion rates. Testimonial "Josh rapidly prototyped our vision and led us through complex development challenges, creating a scalable framework that significantly accelerated our content creation." - Jason L., Founder (see full testimonials below) Professional Highlights ➤ Game & App Development Expert with 30+ Years Industry Experience ➤ Proven Success: 100% Project Completion Rate ➤ Successful Startup Founder with Multiple Exits ➤ Industry-Recognized Innovation Leader Ideal For ➤ Startups seeking technical validation for investors ➤ Mid-size companies needing AI competitive advantages ➤ Enterprises implementing digital transformation Core Solutions ➤ Strategic AI implementation for business processes ➤ Engagement-optimized interfaces using behavioral psychology ➤ Enterprise integration with existing systems ➤ High-performance applications with scalable architecture Technology Expertise ➤ AI/ML: TensorFlow, PyTorch, OpenAI APIs, GPT Integration, Computer Vision, NLP, Custom ML Models ➤ Game Development: Unity, Unreal Engine, WebGL, C#, C++, Mobile Gaming ➤ Mobile Development: React Native, Swift, Kotlin, Flutter, Cross-Platform ➤ Backend: Node.js, Python, C#, C++ ➤ Cloud & Infrastructure: AWS, Firebase, Azure, Google Cloud, NVIDIA AI Cloud, Kubernetes, Docker, Supabase Our team's unique combination of AI expertise and game industry innovation consistently delivers solutions that exceed standard ROI expectations. Contact me today to discuss your specific business challenge.

Firebase
Blockchain
Oculus Rift
Gaming NFT
WebGL
Game Design Document
Desktop Application
Game Development
Game Design
Ecommerce Website Development
Product Development
Artificial Intelligence
API
Firebase Cloud Firestore
Objective-C
React
Review or Feedback Collection
Map Integration
Native App Development
iOS Development
React Native
Smartphone
Android
iOS
Mobile App Development
$70 hourly
Francisco B.
- 4.9/5
- (26 jobs)
🏆 Top Rated Plus 🏆 10+ years of experience 💡🧠 🛠️ crafting high-quality mobile solutions 💻📱 for iOS, Android, and Flutter. I don't just build apps, I architect 🎨 and lead the development of robust 💪🛡️, scalable software 📈 that solves real-world problems 🧩 and delivers exceptional user experiences 🌟. My Expertise: ✅ Flutter Architect: I've spearheaded successful migrations of native apps to Flutter, reducing development time and boosting performance. I'm proficient in building custom Flutter plugins, optimizing for web and mobile, and deeply understand Flutter's architecture and best practices. ✅ SDK & Plugin Development: I have a proven track record of creating multi-platform SDKs and plugins that streamline development and enhance functionality for other developers. My focus is on clean code, intuitive APIs, and seamless integration. ✅ Mobile-First Strategy: I'm passionate about creating mobile experiences that prioritize user engagement and satisfaction. I have a strong understanding of mobile design principles and UI/UX best practices. ✅ Technical Leadership: I've led teams, mentored developers, and fostered collaboration to deliver complex projects on time and within budget. I'm a certified Scrum Master with experience in Agile methodologies. My Skills: ✅ Languages: Swift, Objective-C, Java, Kotlin, Dart, C/C++, C# ✅ Platforms: Flutter, iOS, Android, Web ✅ Tools: Xcode, Android Studio, Git, CocoaPods, Firebase, RESTful APIs, GraphQL, MQTT, BLE, NFC ✅ Methodologies: Agile, Scrum, Mobile-First Design, Clean Architecture, SOLID Principles 🤝 Let's Collaborate! 🤝 I'm eager to apply my skills and experience to your next project. Whether you need a Flutter expert, a Mobile developer, an SDK developer, or a technical leader to guide your team, I'm ready to deliver results that exceed your expectations.

Firebase
Machine Learning
Python
Bluetooth
MQTT
C#
C++
Kotlin
Java
Swift
Objective-C
Dart
Flutter
Android
iOS
$80 hourly
Justin R.
- 4.8/5
- (36 jobs)
I am an expert mobile app developer in the top 1% of contractors on Upwork. Using React Native, I create well-designed, beautiful cross-platform mobile apps. I love React Native and have been using it to develop a variety of apps for clients ever since it came out. I am a computer science graduate from Azusa Pacific University, and won the hackathon there for one of the apps I made with React Native in under 72 hours. I am easygoing and enjoy working on interesting projects on the cutting edge of technology. I like working with other people, trying to bring their vision for apps to come to life. My most common workflow is Trello, Slack, Github, VSCode, Powershell, Expo, React Native, Firebase. I post daily updates on my progress, as well as over-the-air updates so that you can physically see on your device the progress being made. I always write out clear proposals before committing to working on a project. My code is almost always re-usable, which allows me to make new apps much quicker. At this point I basically have my own library of components to build with. React Native itself allows modular code reuse which helps with this. I've built apps from scratch for clients lots of times, and each time I get better at it. I can give accurate estimates and recommendations because of this. There's also some neat coding tricks I've picked up along the way. I am very flexible with time schedules, app requirements, and so on. The way I'm able to do this is by preferring firm-fixed price, and by starting with the smallest possible version. I enjoy making apps, so if you have an app idea and want it made, let me know and I'll do my best to help get it made. Whether that means me giving recommendations on how you can build it yourself, or me guiding a more junior developer I put you in contact with, or I end up giving a free consultation, I'd love to hear about your app and see if I can help.

Firebase
JavaScript
React Native
Expo.io
SQLite Programming
Redux
Smartphone
React
Mobile App Development
TypeScript
$25 hourly
Patrick R.
- 5.0/5
- (2 jobs)
Hi, I’m a professional web developer and IT specialist with over 3 years of experience in creating and deploying websites. I can design and build responsive, user-friendly, and secure websites that meet your business needs and goals. I’m also proficient in coding and open AI, the artificial intelligence research company that aims to create and promote friendly AI. I have worked on various projects involving natural language processing, computer vision, generative models, and reinforcement learning. I can help you leverage the power of open AI to create innovative and intelligent solutions for your problems. Additionally, I have a strong background in information technology and cyber security. I have knowledge and skills in network administration, system administration, data analysis, cloud computing, and ethical hacking. I can help you protect your data and systems from cyber threats and ensure compliance with security standards and best practices. I’m passionate about learning new technologies and staying updated with the latest trends and developments in the web and IT industry. I’m always eager to take on new challenges and deliver high-quality results within deadlines and budgets. I have excellent communication and collaboration skills and can work effectively with clients and teams across different time zones and cultures. If you are looking for a reliable, skilled, and creative web developer and IT specialist who can handle your projects with professionalism and excellence, then look no further. I’m the right person for the job. Contact me today and let’s discuss how I can help you achieve your goals. Thank you for your consideration.

Firebase
Website
SEO Setup & Configuration
Firewall
SQL
C++
Azure OpenAI Service
Network Penetration Testing
Penetration Testing
Information Technology
DevOps
Linux
Java
Python
Microsoft Azure
$30 hourly
Trevor C.
- 5.0/5
- (5 jobs)
‘We Help Founders and Start-ups Launch and Validate their MVP in 8 Weeks or Less’ Have an Idea or in the early stages of your start-up? We can help you transform your vision into an effective MVP quickly and affordably. Our 4-Step MVP Launch System: Discovery (1 Week): Further refine your idea and craft a plan to effectively launch your MVP. Development (4 Weeks): We’ll turn your idea into reality using no-code tools to build a fully functional MVP. Testing (2 Weeks): Testing for bugs and MVP effectiveness, until we believe it’s ready to be launched. Launch (1 Week): Finally we launch your MVP into the market so you can take the first steps in getting your initial paying users. If you're a Founder or Start-up that needs an effective MVP built quickly and affordably, shoot us a message to see if we'd be able to help.

Firebase
Market Validation
Lean Startup
App Design
App Development
Bubble.io
Framer
Supabase
Figma
FlutterFlow
Mobile App
UX & UI Design
Minimum Viable Product
No-Code Development
Mobile App Development
$25 hourly
Federico T.
- 5.0/5
- (2 jobs)
iOS Software Engineer Hermosa Beach, CA 90254 fede11.tm@gmail.com +1 310 465 8134 Software Engineer with a certification in App Development with Swift Certified User. Self-motivated enthusiasts with expertise in developing iOS applications, utilizing Swift, SwiftUI, UIKit, Firebase, and Server-Side Swift with Vapor. Strong knowledge of software architecture and design patterns.

Firebase
Scrum
Software Design Pattern
Clean Architecture
Software Architecture
XCTest
UIKit
SwiftUI
Swift
Apple Xcode
iOS Development
Software Development
Agile Software Development
$12 hourly
Hassan Ali K.
- 5.0/5
- (8 jobs)
I am a Full-stack developer having more than 10+ years of experience in building websites and web applications. I have worked to build sites from scratch OR to create additional features for existing ones. I am always on the lookout for exciting projects to work on and smart people to collaborate with! Here you can see the following services I can provide you: 🛠️ Tech Stack Mastery: 👉 Front-end:: --✅ React.js --✅ Next Js --✅ Vue Js --✅ Tailwind CSS / Bootstrap --✅ HTML5 --✅ CSS3 --✅ SCSS/Less 👉 AI:: --✅ Open AI --✅ ChatGPT --✅ GPT-3 --✅ AI 👉 Back-end:: --✅ PHP / Laravel / Livewire --✅ Node Js --✅ Express JS --✅ GraphQL --✅ JQuery / Javascript 👉 Database Skills:: --✅ Mysql --✅ Postgresql --✅ MongoDB 👉 VCS:: --✅ GIT / BitBucket / Github / Gitlab 👉 Deployment:: --✅ AWS --✅ Digital Ocean 👉 Payment Gateway Integration:: --✅ Stripe --✅ PayPal --✅ Google Pay --✅ Apple Pay --✅ Afterpay --✅ Tillpayments --✅ Paytm --✅ Razorpay --✅ CashFree ↪️ Why I Should be best --✅ 100% client satisfaction. --✅ Attention to details and 24/7 support across. --✅ Code quality and performance review. Team leading and mentoring. --✅ Strong technical skills and business solutions provider. --✅ Always Open For new challenges and creative ideas. --✅ Strong organizational, problem-solving, and analytical thinking. --✅ Fluent in English and learn new skills very fast. I am considering work not only as a way to make a living. but also to build a career here at Upwork. So I tend to seek a long-standing relationship rather than just a quick benefit. Thanks for reading my profile. Looking forward to hearing back from you.c

Firebase
SaaS Development
Docker
Next.js
MongoDB
Laravel
PHP
Website
Desktop Application
MySQL
React
Node.js
Web Application
Web Development
Software Development
$50 hourly
Casey E.
- 5.0/5
- (2 jobs)
I am a well rounded software engineer with a wide range of experience in the corporate technology world. I have worked for a major streaming platform which has allowed me to build my skills as a full stack software engineer. I have also completed my MBA to help bridge the gap between technology and business opportunities. I specialize in anything JavaScript, React, React Native, and Firebase. I manage my own freelancing company providing services for both desktop and mobile applications. I can help businesses of all sizes achieve their goals whether it be taking a product from start to finish, or just fixing bugs and making improvements along the way. Let me help you get up and running in today's digital world! Please reach out to see if I would be a good fit for getting your project to the finish line.

Firebase
MongoDB
HTML
Mobile App Development
JavaScript
Node.js
React Native
Web Development
Redux
React
ExpressJS
SQL
CSS
Software Development
$75 hourly
Ivan P.
- 4.8/5
- (38 jobs)
👋 I'm a fullstack developer with over 10+years of experience in building high-quality web applications for clients worldwide. I deliver clean, scalable and maintainable code. Good UX & project management skills. I focus on business needs first. I work with clients of any scale: from startups & small teams to enterprise. ♣︎ I offer: 👉🏼 Web application development 👉🏼 API development / Integrations / Automations 👉🏼 Frontend/backend development 👉🏼 Fullstack development ♣︎ Tech stack: Front: React / Vue / Svelte / Next.js / Nuxt.js / Redux / React Native / React Query / typescript Back: Node.js / Express / Golang CD: Docker / Kubernetes / Helm / Ansible / AWS / GCP Databases: Postgres / Mongo / Cockroach.db / MySQL / Firebase Message brokers: Kafka / NATS / RabbitMQ APIs: gRPC / REST / graphql Patterns: Hexagonal architecture / CQRS / Event sourcing & more Great experience in Automotive | eCommerce | Retail | Fin-tech businesses Keywords: javascript, kubernetes, docusign, no-code tools, integration, REST API, e-commerce, shopify, stripe, serverless, cloud functions, sharetribe, marketplace, hydrogen, strapi, sanity, headless cms, saas Let's get in touch!

Firebase
Web Application
Vue.js
Next.js
UX & UI
Node.js
React Native
JavaScript
API Development
Golang
Full-Stack Development
React
DevOps
Front-End Development
$75 hourly
Christine T.
- 4.8/5
- (85 jobs)
📣📣📣 I provide FREE consultation (see below). I am a motivated and reliable full-stack software developer graduated from 🐻 UC Berkeley🐻 with a double major in Applied Mathematics and Economics. I have extensive expertise in a wide range of technologies. (listed below). 🚀🚀🚀 As a fast and dedicated explorer with a growth mindset, I am constantly seeking to advance myself and expand my technical knowledge. 💪💪💪 With years of experience working with clients and leading teams, I put stress on responsibility, clear communication, and efficiency. 💻💻💻 Previously, I worked as a full-stack software engineer team lead at Camping World, which is a publicly traded company, and as a lead technical teaching assistant at Hack Reactor. Currently, I am the proud owner of Atini Studio 🌈, a dynamic software development agency comprising exceptionally talented and passionate software engineers and UI/UX designers. 🧩🧩🧩 *** FREE consultation service: I'm excited to share my extensive experience in helping clients build web and mobile applications from the ground up. This includes, but is not limited to, setting up an MVP, selecting the right tech stack, creating a practical plan and timeline, estimating budgets, and more. Feel free to reach out to me for this complimentary service, and together, we can turn your idea into reality. *** ⌨️⌨️⌨️ My services include: ⚡️ Web development ⚡️ Mobile development ⚡️ UI/UX design ⚡️ Software consultation 💻 Technologies: • Front End: JavaScript | TypeScript | HTML5 | CSS3 | Tailwind CSS | React | React-Native | Angular | Vue.js | jQuery | Next.js | Ionic • Back End: Node.js | NestJS | Python | Django | MongoDB | MySQL | PostgreSQL | ORM | GraphQL • API Integrations: ChatGPT | Stripe | Azure | Google | Zoom | and more... • DevOps: Amazon Web Services (AWS) | Firebase/GCP(Google Cloud Platform) | Azure | Docker • Testing: Mocha | Chai | Jest • Developer Tools: Git | npm | Webpack | Babel | Agile Methodology | TDD | Nginx • Design: Adobe XD | Figma | Adobe Photoshop | Illustrator

Firebase
ChatGPT
AWS Lambda
WordPress
Database
JavaScript
Amazon EC2
ExpressJS
Angular
React Native
RESTful API
CSS 3
AWS Amplify
React
Node.js
$65 hourly
Tyler V.
- 5.0/5
- (9 jobs)
Web and mobile developer specializing in perfomant, responsive websites and mobile apps with clean and modern code. Skilled in TypeScript, React, React Native, Express.js, MongoDB, Python, and HTML/CSS for both frontend and backend development. I have a bachelor's degree in computer science from Dartmouth College. Pursuing a master's degree at Dartmouth specializing in generative AI research.

Firebase
Mobile App Development
React Native
Python
Web Development
HTML
JavaScript
Web Application
Amazon Web Services
React
CSS
$75 hourly
Nahid L.
- 4.8/5
- (25 jobs)
⭐⭐⭐⭐⭐ "Nahid has extensive knowledge of the engineering and design process for mobile development. Very grateful for her help and guidance." ⭐⭐⭐⭐⭐ "Another job completed successfully. Nahid was very diligent and communicative. She was very professional and she made sure that I was fully satisfied with the outcome. She delivered a clean and a high quality code for this phase of the project. I will definitely be back soon to her for the next phase of my mobile app." 🎯 Top-Rated Upwork Talent 🏆 Over 90% JSS on Upwork 🎖️ +8 Years Of Full-Stack Development Experience. 🕓 +1500 hours worked. 🎯 Boasting a decade-long tenure in UX/UI Design, full-stack development, and technical writing, I possess the expertise to transform your ideas into tangible, functional designs. 🎈As an independent designer and developer, I offer the adaptability needed to oversee your project seamlessly from inception to completion. I've established robust procedures for code quality assurance throughout the application development lifecycle, and have served as a mentor, drawing on my extensive software development experience to guide my team. 🔮 Why you should hire me: ✅ Dedicated Full-Time Freelancer: Your project will be my top priority, ensuring prompt and focused attention. ✅ Proficiency and Expertise: With extensive skills and knowledge, I guarantee a high-quality and efficient project delivery. ✅ Effective Communication: I excel in understanding your project's requirements and maintaining clear, open lines of communication. ✅ Regular Progress Updates: You can expect timely status reports, ensuring we stay aligned with your project goals. ✅ Ongoing Support: I'm committed to providing continuous support for all products I design and develop. ✅ Comprehensive Documentation: You'll receive well-structured project documents for future reference and utilization. ✅ Multi-Language Proficiency: I'm highly adept in various programming languages, enabling the delivery of superior products. Here are the languages I utilize for different projects: 📺 FRONT-END DEVELOPMENT ReactJS HTML & CSS 📅BACK-END DEVELOPMENT Node.JS Python (Django) ⚙️FOR DATABASE PostgreSQL Redis MySQL mongoDB 🪢 FOR DEVOPS Jenkins NGINX Docker 🗝️ PROJECT MANAGEMENT Agile Method GitLab Jira Bitbucket Trello ☁️ Cloud AWS Google Cloud DigitalOcean 📰 CMS Wordpress 🪔 How I run your projects smoothly and efficiently: 1️⃣ Use source control for version management 2️⃣ Use task tracker/bug tracker to manage the milestones and deadlines efficiently 3️⃣ Communicate expectations before the project begins 4️⃣ Communicate regularly throughout different phases of the project

Firebase
MongoDB
Android App Development
Node.js
Django
React
Python
iOS Development
Web Design
UX & UI
Figma
UI/UX Prototyping
$100 hourly
Ali E.
- 5.0/5
- (3 jobs)
Hi, I'm Ali. I'm a software engineer with experience in a variety of areas in the tech industry. Over the past 15 years, I've worked on VR games, low-level assembly programing, machine learning, data vision, mobile apps, UX design, dev-ops, and system design, among other things. I've also had the opportunity to work in all types of work environments: from "Big Tech" companies (Amazon) to mid-tier companies (Booz Allen Hamilton) to small pre-seed startups. These experiences have helped me become a well-rounded engineer who can handle any unexpected obstacle that shows up - because they always do. Since acquiring my degree in Computer Science, I've taken a handful of roles as a Full-Stack developer in the industry. At Booz Allen I helped develop a data management app to help businesses store and search through their company files (think "Pinterest - but for data"). After, I spent 2 years tutoring aspiring web developers Full-Stack web development through Wyzant. There, I developed the vital skill of being able to break complex problems down and explain things in a way that even a beginner can understand. I also honed my skills in JavaScript and React in the mean-time. Later, I began taking on work at startups - DomumGym, Qortor, and Listr – fulfilling the role of Founding Engineer for two of these startups. These positions allowed me to put my Full-Stack development skills to use in fast-paced, large responsibility roles. After engineering software for over a decade, I have developed the necessary habits and skills to efficiently and successfully bring ideas to fruition. I have a strong attention to detail - I value clean, organized, and thoughtful code. I understand that, nine times out of ten, the project is going to grow and need to new features, therefore the code should be flexible and scalable - from the very beginning. I'm also a big planner. I take the time to mock system designs, research potential solutions, and double-check that where we're headed is the intended destination. Most importantly, I care about quality. I go through great lengths to make sure the final product is one that my self (and my client) can be proud of. This means writing bullet-proof, bug-resistant code, heavy, detailed testing, and an attention visual polish. If you're looking for an experienced, well-rounded coder that guarantees high-quality final products, feel free to reach out to me and we can make sure you get your job taken care with a quality both you and I can be proud of.

Firebase
FastAPI
Front-End Development
Back-End Development
Python
JavaScript
Amazon Web Services
SQL
Tailwind CSS
TypeScript
React
Node.js
MongoDB
Next.js
$45 hourly
Marharyta V.
- 5.0/5
- (13 jobs)
I’m a Senior React Native Developer and Software Architect with over 7 years of hands-on experience building high-quality mobile applications for global clients — from early-stage startups to enterprise-level businesses. I specialise in: • ⚙️ Mobile architecture design with a strong focus on maintainability and scalability • 🚀 Cross-platform development using Expo and bare React Native workflows • 👥 Team leadership & mentoring — leading development teams and managing full-cycle delivery • 🧪 Performance optimization, debugging and building apps with offline-first capabilities • 📱 Publishing to App Store and Google Play, including complex permissions and integrations I’ve released 20+ successful mobile apps, managed remote teams, and implemented full Agile/SCRUM processes. My approach combines clean code, clear communication, and fast delivery — resulting in long-term client partnerships and consistent Top Rated Plus status on Upwork. 🔍 Key Technical Skills: • React Native (Expo & bare workflow), Redux, Redux-Saga, Reanimated • Firebase, REST APIs, WebSockets, Google APIs • Offline-first architecture, AsyncStorage, MMKV • CI/CD pipelines (Bitrise, App Center, GitHub Actions) • Strong command of Xcode, Android Studio, ES6+, Git & GitFlow • Familiarity with backend stacks (NodeJS, MongoDB) 💬 Let’s work together If you’re looking for someone who can not only code, but lead, optimise, and deliver results, I’d be excited to hear about your project. Let’s build something great together!

Firebase
Cross Functional Team Leadership
Hybrid App Development
Websockets
Redux Saga
Mobile App Development
Android App Development
iOS Development
Map Integration
In-App Purchases
Social Media Account Integration
User Authentication
JavaScript
TypeScript
React Native
$100 hourly
Andrew G.
- 5.0/5
- (3 jobs)
Staff software engineer with a decade of experience in data analysis / machine learning, software development, and building all kinds of different products at various startups in silicon valley. I currently lead a team of ~30 engineers developing a news aggregator mobile phone application in both Japan and USA called Smartnews. The product has well over 30 million daily active users, and is powered by a state-of-the-art recommendation system as well as multiple LLMs. While I am new to upwork and have limited experience on this platform, I still regularly work as both a private tutor and consultant on the wyzant platform, where I have an average 5.0 star rating and 1,500 hours logged at a rate of $350 / hour. I'm starting off at a much lower rate here in order to build credibility on this platform.

Firebase
Mobile App Development
API
Web Development
Web Design
Software Architecture & Design
Amazon Web Services
Database Architecture
Data Scraping
Neural Network
Deep Learning Modeling
Python
Data Science
Computer Vision
Natural Language Processing
$90 hourly
Bharat M.
- 4.9/5
- (17 jobs)
With over 10+ years of knowledge and experience in Full Stack web and mobile development in React.js/redux/Vue/Angular applications for the web, mobile hybrid react native/flutter app and embedded in Electron with proficient backends including PHP, NodeJS, Python Flask, ASP.NET and others. My primary abilities include: * Frontend - React.js, Vue, Redux, Angular 2, 4, 5, 6, jQuery, Material Design, HTML/CSS/Bootstrap * Backend - Node.js, Ruby on Rails, Express, PHP, Firebase, Python/Flask * Framework - React Native, Flutter, IONIC, CodeIgnitor, Laravel, Drupal, Django * Database - Firestore, MongoDB, Postgre, MySQL * Native Mobile - Objective-C, Swift, Java, Kotlin * Unit Testing - Jest, Jasmine * Source Control / CI - Git, GitHub, GitLab, BitBucket, CircleCI, Travis CI * Deployment - AWS(Amazon Web Services), GCP(Google Cloud Platform), Heroku, DigitalOcean * Task management tool - JIRA, Asana, Pivotal Tracker, Trello As new techniques emerge in the software field, I am able to provide faster and more efficient development. My approach is to create applications that are easier to use and more "inviting" to the user. Aesthetically pleasing sites and applications that look great, and work hard to make everyone's job easier. Thank you for taking the time to learn more about me. Feel free to contact me any time so that I can help you reach your online goals and make you and your team successful.

Firebase
Flutter
Web Scraping
React Native
Shopify
AWS Lambda
ChatGPT
WordPress
PHP
Python
Ruby on Rails
.NET Framework
Angular
JavaScript
Vue.js
Node.js
React
$50 hourly
Hayk N.
- 5.0/5
- (3 jobs)
With more than 5 years of experience, I create web and mobile applications with responsive, beautiful UI and strong functionality using clean and quality code. From frontend to backend, I build fast, scalable, and reliable solutions. I also handle integrations and SEO optimization, making sure your website not only looks great but performs fast and rank higher on search engines. • 🌐 Frontend Development: Using Javascript, React & UI Tools I build dynamic, responsive user interfaces that deliver exceptional user experiences across all devices. • ⚙️ Backend Development: Leveraging Node.js, I create scalable, secure, and high-performance server-side solutions tailored to your needs. • 🗄 Database Management: Expertise in designing and optimizing databases to ensure fast, reliable data handling for your web and mobile apps. • 📊 Dashboard Implementation: Developing intuitive and powerful dashboards for controlling and monitoring your website and business operations, enabling better decision-making and performance tracking. • 🔍 SEO Optimization: Implementing SEO best practices in both frontend and backend to boost your site’s visibility and search rankings. • 📈 Google Analytics Integration: Implementing Google Analytics to track user interactions and gain insights, optimizing performance and enhancing user engagement. • 💳 API Integration & Payment Solutions: Seamless integration with third-party services, including secure payment gateways like Stripe. • 🌍 Website Deployment: Deploying websites and applications on Firebase, AWS, GoDaddy, Vercel, Netlify, and other hosting providers, ensuring fast loading speeds, security, and high availability. By merging creativity with technical expertise, I deliver fully optimized, scalable solutions that enhance your digital presence. Let’s collaborate to bring your ideas to life with cutting-edge web and mobile solutions!

Firebase
Material UI
AWS Lambda
PostgreSQL
SEO Strategy
REST API
GraphQL
MongoDB
MySQL
ExpressJS
NestJS
Node.js
Next.js
React Native
React
$50 hourly
Trevor W.
- 4.7/5
- (10 jobs)
Extensive success developing on the iOS platform for personal projects, individual clients, and startups. My background in tech started over 5 years ago as a high-schooler customizing Shopify sites for my e-commerce ventures. I would then go all in on iOS development in early 2021 to bring my ideas to life through the iOS platform. Today, my main focus is still on personal projects while contracting in the background. With proficiency in Swift and SwiftUI, here is what I can do for you: - Build a modern application from scratch - Revive, update or fix existing applications - Integrate new or existing applications into popular back-ends like Firebase - Get previously stalled app development efforts to the finish line - Consult on feature possibilities, App Store Connect, etc. My process: 1. Briefing / Discussions 2. Research 3. Design 4. Integrate 5. Revise 6. Release I work with the most fluent and up-to-date languages/frameworks in order to provide a rich and fresh user experience. My most commonly used tech stack is Swift, SwiftUI, and Firebase. Recently, I have been working with AVFoundation to create custom camera modules for personal and client applications. Last updated: September 15, 2022

Firebase
App Store
JSON
Google Ads
Apple Xcode
iOS SDK
Mobile App Development
Core Data
User Authentication
In-App Purchases
MapKit
iOS
iOS Development
Swift
TypeScript
$40 hourly
Aaron C.
- 5.0/5
- (7 jobs)
I'm a web developer with experience in building websites and web applications for small and medium-sized businesses. Whether you need help designing and developing a website to increase traffic and leads, or creating a complex web application to save your business time or money, I can definitely help! - I'm experienced with and have professional experience working in Javascript/TypeScript, React, Next.js, Tailwind, HTML5/CSS3, and D3. - I can manage your entire project from start to finish, starting with a detailed plan of what I’ll be developing for you, how it works, and what it will cost. - Communication is my top priority -- if we're on the same page for the duration of the project, the entire experience will be a breeze for both of us. My main focus in web development is setting a strong foundation. If we're starting from scratch, I will research and take your needs into consideration when designing a solid tech stack. There are many mistakes people make when first building their websites and applications, and often having a messy foundation will make the maintenance and upgrades to your website more costly -- both in money and time. This is the main reason why I often suggest technologies like React, Next.js, and TypeScript. This combination has an extremely active and growing community, large financial backing, and a ton of developers who would love to work with it. This will make it easier to find future contractors or employees who can maintain and build new features on top of your existing application. If I will be working on an existing project, I'd love to help convert your codebase into a more maintainable one. In simple terms, I'd be cleaning up messy code, writing proper documentation, and fixing any problems that have been "swept under the rug". I pride myself on my troubleshooting capabilities when it comes to web applications, as I've seen and dealt with many bugs by leveraging tools like GitHub, StackOverflow, and my own personal network of software developers. If your codebase is already organized, or you are just looking to implement new features as soon as possible, I offer extremely quick development at a fixed price. I have experience with prototyping features quickly in React, and leverage existing libraries to streamline application development. I look forward to working with you, and invite you to reach out to me if you have any questions or would like to chat.

Firebase
Swift
Python
Computer Science
React
JavaScript
CSS
Responsive Design
D3.js
HTML5
Next.js
CSS 3
Bootstrap
Git
$40 hourly
Alexander P.
- 5.0/5
- (8 jobs)
I am an experienced programmer that wants to help you create your dream Android app! I believe that communication is key to making sure the finished product is exactly how you envisioned it.

Firebase
Google Maps API
Android App
Git
Room
Android NDK
GitHub
Android SDK
Android App Development
Android
Java
Kotlin
Android Studio
SQLite
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