Hire the best Firebase Developers in Bosnia and Herzegovina

Check out Firebase Developers in Bosnia and Herzegovina with the skills you need for your next job.
  • $25 hourly
    I have three years experience working as Android developer. I have worked on various aspects of app development (UI, networking, using device camera, GPS...), debugging, building app from scratch. I am fully dedicated to the job I work on.
    Featured Skill Firebase
    XML
    Model View ViewModel
    SQLite Programming
    Model View Presenter
    Android
    Android App Development
    Java
    User Authentication
    Tablet
    Kotlin
    Mobile App Development
    SQLite
    Native App Development
  • $25 hourly
    Top-rated software developer with three years of experience in programming. In addition, I competed at the state level in algorithms using the C++ programming language. The combination of my skills in programming and algorithms allows me to approach software development with a wide range of knowledge and skills.
    Featured Skill Firebase
    Webflow
    Linux
    C++
    JavaScript
    Next.js
    Docker
    Git
    Responsive Design
    React
    TypeScript
  • $27 hourly
    Experienced Front End Developer | Mobile App Developer specialized in React Native and Expo 4 yrs Of Experience 🟩 AVAILABLE FOR NEW PROJECT [Currently mostly interested in AI Wrapper apps] If you are a solo founder or part of a small team, I can help you build your Android/iOS app or website. On the other hand, if you need a front-end developer to join your team, you'll find in me a flexible, collaborative, and proactive partner. I've successfully assisted founders and teams in building, fixing, improving, and releasing their startups! This is my stack: 🟩 JavaScript 🟩 TypeScript 🟩 React 🟩 React Native 🟩 Expo 🟩 EAS 🟩 Firebase (Auth, Notifications, Database) 🟩 Supabase 🟩 Redux 🟩 GraphQL 🟩 RESTful APIs 🟩 CSS | Sass 🟩 Fastlane 🟩 Managing and releasing apps to Apple and Google app stores 🟩 Also have some experience with Python, Django and Ruby On Rails I'm interested in, and have a big passion for, startups and early stage products. I've helped a lot of founders to build their MVP. If you need someone to urgently jump on project, don't hesitate to write me. I've released multiple projects on Google and Apple app stores, and helped with managing production and test releases. Some of the industries I've built projects for are health care, social networks, dating, real estate, hospitality... I have experience working in both small and large teams and am skilled in agile methodologies and project management software like Jira. 🟥 NOT ASSOCIATED WITH ANY AGENCIES
    Featured Skill Firebase
    Front-End Development
    Web Development
    TypeScript
    API Integration
    Expo.io
    GraphQL
    Mobile App
    Android App Development
    iOS Development
    Android
    iOS
    JavaScript
    React
    React Native
  • $70 hourly
    🌟 My goal is to help businesses thrive by leveraging the power of cutting-edge technologies. Here are some key highlights of my expertise: ➡️ Full Stack Web and Mobile Development: I possess extensive experience in developing end-to-end solutions, from front-end interfaces to back-end functionality. My proficiency in web and mobile development technologies allows me to create seamless experiences across various platforms. ➡️ User-Centric Design: I prioritize user experience and visual aesthetics in every project, ensuring intuitive navigation, visually appealing interfaces, and optimized performance. By leveraging the latest design principles and tools, I create captivating digital experiences that engage and delight users. ➡️ Responsive Web Design: I specialize in crafting responsive designs that adapt flawlessly to different devices and screen sizes. By employing responsive design techniques, I ensure that websites and applications provide a consistent and optimal experience across desktops, tablets, and mobile devices. ➡️ Problem Solving and Optimization: I excel at identifying and addressing complex technical challenges. Whether it's improving application performance or implementing scalable solutions, I consistently deliver efficient and optimized code while maintaining a seamless user experience. ➡️ Agile Development Methodologies: I am well-versed in Agile methodologies, allowing me to adapt quickly to changing project requirements and collaborate effectively within cross-functional teams. This agile approach ensures efficient development cycles and timely project deliveries. 🌟 Here's why businesses choose to work with me: ✅ Results-Driven Approach: I am committed to delivering tangible results, exceeding client expectations, and driving business growth through my technical expertise and design skills. ✅Collaborative Mindset: I thrive in a team environment, actively collaborating with clients, designers, and other stakeholders to ensure a seamless development process that integrates design elements seamlessly. ✅ Continuous Learning: Technology and design trends are constantly evolving, and I am dedicated to staying updated with the latest advancements. This allows me to incorporate innovative solutions and design trends into my projects. ✅ Client Satisfaction: My priority is client satisfaction, and I go the extra mile to ensure that their vision is brought to life with precision and excellence, creating visually appealing and functional digital experiences. 🚀Over the course of my professional journey, I have honed my skills in a wide range of technologies, including various technologies and web design principles. By combining my development and design expertise, I create visually stunning and functional digital solutions. ✨ Front end web development ---------------------------------- - HTML5 - CSS3 - JavaScript - jQuery - Bootstrap - Angular - Angular Material - Tailwind ✨ Back end web development ---------------------------------- - PHP - CodeIgniter - Laravel - Slim PHP - Node.js - Express.js - NestJS ✨ Databases ---------------------------------- - MySQL - PostgreSQL - SQLite ✨ Mobile app development ---------------------------------- - Ionic Framework & Angular - Capacitor ✨ CMS & website builders ---------------------------------- - WordPress - Carrd - Strapi ✨ Design tools ---------------------------------- - Figma - InVision - Canva ✨Communication tools ---------------------------------- - MS Teams - Skype - Viber - Whatsapp - Slack ✨ Project management & version control ---------------------------------- - GitHub - GitLab - Bitbucket - JIRA - Trello ✨Other platforms & services ---------------------------------- - Namecheap - GoDaddy - DigitalOcean - Heroku - Netlify - Railway - Firebase - Cloudflare - Jenkins - Filezilla 📌If you are looking for someone with these skills and values, don't hesitate to contact me today. I will gladly help you with your project.
    Featured Skill Firebase
    Technical Writing
    NestJS
    NodeJS Framework
    Laravel
    CSS
    HTML5
    JavaScript
    Angular
    PHP
    MySQL
    jQuery
    ExpressJS
    Ionic Framework
    WordPress
  • $80 hourly
    I have two main specialties: Angular, and writing in a preposterous tone. However, what sets me apart the most is my association with successfully built and shipped Angular projects that I've built and contributed to, which are able to generate revenue for both its clients and its users. Don't believe me? I invite you to see for yourself, and scroll down to work history and portfolio sections of my profile. The projects I'm talking about should be the top performing and the most pretty ones. ✨ If you liked what you saw, then DM me so we can meet!
    Featured Skill Firebase
    API
    GPT-4
    Artificial Intelligence
    .NET Framework
    Node.js
    Git
    Browser Extension
    Mobile App Development
    Angular
    ExpressJS
    Ionic Framework
    Responsive Design
    SCSS
    Tailwind CSS
  • $50 hourly
    I am Flutter developer with professional experience in developing iOS and Android applications. I can freely say that I am passionate about Flutter and I am eager to learn more daily. Besides this one which is my main occupation, I have various experiences in wide range of different development technologies: HTML, CSS, JavaScript, and PHP for web based applications and Java for desktop applications.
    Featured Skill Firebase
    Smartphone
    Mobile App Development
    Android App Development
    Flutter
    iOS Development
    PHP
    Firebase Cloud Firestore
    CSS
    MySQL
    HTML
    JavaScript
  • $35 hourly
    I am a senior full stack developer with over 7 years of experience, mainly specialised in creating mobile apps. My stack includes React-Native, React js, Next js, Node js, Electron, SQL and Firebase. 🤝 Why Choose Me: Proven track record: Successfully delivered numerous apps. Ranging from mobile, web to desktop apps. Detail-oriented: I strive for pixel-perfect design and flawless functionality. Effective communication: I prioritise clear and open communication to ensure project success. Fast learner: Anything that I don't know, I'm ready to learn and apply. I can rejuvenate your old products, finish your existing or make your new ideas come to life. I am very comfortable working on both existing and new projects. Let's collaborate to bring your ideas to life! Feel free to reach out, and let's discuss how I can contribute to your project's success.
    Featured Skill Firebase
    PostgreSQL
    Electron
    Next.js
    React
    Node.js
    Flutter
    JavaScript
    React Native
    TypeScript
    SQLite
  • $50 hourly
    As a Mobile App Consultant and Senior React Native Developer, I bring expertise honed at the award-winning agency DEPT®. Let's transform your app into its best version. My deep understanding of both tech and business ensures optimal solutions for your project. I handle projects end-to-end, from concept to app store launch, and excel in quickly grasping business needs and high-quality delivery.📲
    Featured Skill Firebase
    RESTful API
    App Marketplace
    DevOps
    App Store Optimization
    Redux
    QA Software & Testing Tools
    GitHub
    GraphQL
    App Store
    TypeScript
    CI/CD
    Project Management
    Expo.io
    React Native
  • $40 hourly
    I am a highly self-motivated and goal-oriented creative developer. I like to do high quality work. If you hire me, you'll be guaranteed attention to details, a good quality product and a good communication. Good coding practices and writing clean code is very important to me. It is not enough to just write code that works. You have to write code that other developers will understand and be able to build on and support later. I am committed to deliver good results and make my clients satisfied with job delivered. Possessing skills in C#, C, .Net, PHP, Java, JSF, HTML, CSS, JavaScript. Knowledge of MSSQL, MySQL, PostgreSQL.
    Featured Skill Firebase
    Grails
    Apache Groovy
    React Native
    Angular
    React
    Firebase Realtime Database
    Firebase Cloud Firestore
    Java
    Flutter Stack
    Flutter
  • $80 hourly
    Experienced Mobile Developer | 7+ Years of Excellence | 100% Job Success Rate Hi there! I’m Petar Suvajac, a seasoned software engineer specializing in mobile app development since 2017. With over 7 years of experience and a proven 100% job success rate on Upwork, I deliver robust, high-quality mobile solutions tailored to your needs. My expertise spans both native Android and iOS development and cross-platform solutions using Flutter SDK. From building scalable architectures to creating seamless user experiences and integrating advanced APIs, I bring precision and creativity to every project. Here’s what I bring to the table: Mobile Development > Native Android (Kotlin) and iOS (Swift) > Cross-platform solutions (Flutter SDK) > Declarative UI (Compose, SwiftUI, Widget), MVVM and MVI patterns > Adherence to the latest trends and best practices in mobile development Cloud & API integrations > Firebase and AWS products > RESTful APIs > JSON/XML for data structuring and exchange Programming Languages & Other Skills > Proficient in Kotlin, Swift, Java > Competent with HTML, CSS, JS, Node.JS, SQL, NoSql, Wordpress > Strong grasp of algorithms, data structures and design patterns > Expertise in system architecture 🚀 I have contributed to several mobile applications currently available on Google Play and the App Store. If you'd like a full list of published projects or my complete CV, feel free to reach out. I’m dedicated to delivering results that exceed expectations. Let’s collaborate to bring your ideas to life! Feel free to contact me anytime for job-related queries or even a friendly chat. Let’s create something amazing together!
    Featured Skill Firebase
    Software Design Pattern
    SwiftUI
    Mobile App Development
    Android App Development
    iOS Development
    Java
    Kotlin
    Flutter
    Android
    Swift
  • $35 hourly
    As a Fullstack Developer, I have a passion for building intuitive and engaging user interfaces and backend applications. With over 5 years of experience in the field, I have a strong foundation in HTML, CSS, Javascript, and TypeScript, as well as experience with modern Fullstack frameworks and tools such as Node.js, ExpressJS, React.js, Next.js, React Native, and Expo. In my previous roles, I have delivered successful projects for a range of clients, and am skilled at working collaboratively with both development and design teams. I am always looking to learn and stay up-to-date with the latest industry trends and technologies.
    Featured Skill Firebase
    PostgreSQL
    AWS Lambda
    NestJS
    C#
    MongoDB
    ExpressJS
    Node.js
    TypeScript
    C++
    Python
    Tailwind CSS
    React Native
    Next.js
    React
  • $25 hourly
    I am top-rated frontend developer with more than 5 years of experience and have more than 700 hours working on Upwork. I am specialized in frontend development, maintenance, bug fixing and optimization. The best features in my work as an engineer are that I strictly follow the requirements of the client, strictly meet the deadlines, I am always available, I give suggestions for improvements if necessary, I work only in a safe and verified environment. I can very easily adjust to working in a team. On the other hand, I work very well as an individual. I am very communicative and I ask everything in detail in time before starting work. I do frontend development, especially Angular. I have more than 4 years of experience in the Angular and React frameworks. This includes experience and knowledge in HTML, CSS, SCCS, Bootstrap and Tailwind. On the other hand, I am familiar with backend technologies, especially .NET Core and MSSQL as a database. Happy to work on new creative ideas and projects, with my knowledge and experience your success is guaranteed. If I meet your requirements, feel free to contact me.
    Featured Skill Firebase
    Firebase Cloud Firestore
    Web Application
    Git
    AngularJS
    JavaScript
    Bootstrap
    CSS
    Angular
    HTML
    .NET Framework
    C#
  • $20 hourly
    👋 Hi, I'm a highly passionate, quick learner web developer happy to make high-quality Web Applications and Websites, with experience in modern Web technologies like React, NextJS, TypeScript, Redux, JS ES6/7, SCSS, Styled-components, Charka UI, and Tailwind. I'm interested in delivering only high-quality products and constantly learning new technologies. My expertise in HTML, CSS, JavaScript, React & Next combined with my strong foundation in responsive design and cross-browser compatibility, allows me to deliver top-quality results on time. Feel free to message me as I am always available for new ideas and projects. Best regards, Alen.
    Featured Skill Firebase
    Web Development
    GitHub
    Front-End Development
    TypeScript
    Web Application
    HTML5
    React
    CSS
    SCSS
    Next.js
    Tailwind CSS
    JavaScript
  • $15 hourly
    I’m a software developer specializing in Flutter and React, with over 3 years of experience crafting sleek, scalable apps. From MVPs to full-scale production builds, I deliver high-performance solutions with smooth UI/UX, Firebase and RESTful API integration. What makes me different? I focus on clear communication, fast response times, and code that’s not only functional but also clean, maintainable, and built to scale. I treat every project as a collaboration, making sure your vision is translated into a product that users love. ✅ Flutter (iOS & Android) ✅ React (Web Apps) ✅ Firebase / Firestore ✅ REST APIs & Third-party Integrations ✅ Clean Architecture & Scalable Code ✅ Smooth, Responsive UI/UX ✅ Great Communication & On-Time Delivery I’ve worked with startups and businesses across various domains—building apps that drive real results. Whether you’re starting from scratch or need help scaling, I’m here to bring your ideas to life. Available for both short-term tasks and long-term collaborations. Let’s chat!
    Featured Skill Firebase
    ExpressJS
    Node.js
    JavaScript
    React
    Front-End Development
    Kotlin
    TypeScript
    React Native
    Hybrid App Development
    Firebase Realtime Database
    Firebase Cloud Firestore
    iOS Development
    Flutter
  • $25 hourly
    I'm a full-stack developer with over 2+ years of experience in the industry building web applications. I am committed to delivering exceptional results, and from me, you can expect: - Responsibility: Dedicated to meeting deadlines and ensuring top-quality work. - Strong Communication: Clear and proactive communication to keep you informed at every stage. - Deep Technical Knowledge: Expertise in web technologies, ensuring the best solutions for your needs. While I am new to this platform, I bring results with me that you can check on my personal website and learn more about me. Personal Website: aditokmo.com What sets me apart is that, besides being a technical expert, I can also be your business partner. I focus on truly understanding my client's goals and vision to achieve the best results. When we work together, it's not just about coding—it's about contributing to your business's success and reaching the desired goal. Services I Offer: - Custom web development using React, Typescript, Node.js, and MongoDB - No-code web development using Webflow - Fixing any issues in your current project, whether it's on a No-code or custom code - Web design and SEO optimization - Project optimization for speed and performance What You’ll Get: - Professional collaboration & communication - SEO-optimized, responsive designs - Cross-browser compatibility - Structured, clean code - Smooth animations & accessibility - Ongoing support post-launch
    Featured Skill Firebase
    MongoDB
    Web Development
    React Native
    Tailwind CSS
    Webflow
    Web Design
    ExpressJS
    Node.js
    Next.js
    React
    TypeScript
    JavaScript
    CSS
    HTML
  • $15 hourly
    I'm a developer with experience in building websites, databases and mobile applications. - I'm an expert in Vue.js, Spring, .NET, and Flutter frameworks (including Android native Kotlin and SQL) - I'm proficient in Angular, Java and AWS services
    Featured Skill Firebase
    Flutter
    Database
    Android
    RESTful API
    Python
    Spring Boot
    C++
    C#
    Angular
    .NET Framework
    Amazon Web Services
    CSS
    Bootstrap
    Docker
  • $25 hourly
    Hey I'm Amar. With 1.5 years of hands-on experience, I specialize in crafting modern platforms and websites using the latest technologies (e.g. JS/TS, Tailwind CSS, React/Next, Node, MongoDB/PostgreSQL etc.). In the development realm, I successfully created Relly, an innovative AI-generated Relationship Guidance Platform. It stands out as an advanced marital advisor, utilizing cutting-edge technologies to offer invaluable assistance in navigating relationships. Additionally, I engineered KvizzHub, a Quiz Maker, which not only earned a perfect score of 100/100 as my high school graduation project but also garnered commendations from the examining committee. Furthermore, I've successfully emulated renowned platforms like Airbnb and Spotify, creating functional clones and developing complex functionalities. My work showcases a commitment to delivering high-quality, user-centric experiences. In the e-commerce domain, I've also successfully developed websites adhering to the highest modern standards, ensuring a seamless and secure online shopping experience for users. Alongside these, I've worked on many other websites. These accomplishments underline my capability to not just develop websites but to elevate user experiences to meet global standards. How I Work: 1. Initial Consultation & Details: We'll start with a detailed discussion to understand your requirements and project details. 2. Clear Communication: We can discuss project intricacies through messages, ensuring effective and convenient communication. 3. Iterative Development: I follow an iterative development process, providing regular updates and incorporating feedback promptly. 4. High Standards: My commitment is to deliver websites that not only meet but exceed industry standards. 5. Client Collaboration: Your input is crucial. I value collaboration and ensure your vision is reflected in the final product. If you're seeking a dedicated and results-driven Web Developer, I'm ready to bring your vision to life. Reach out, and together, we can create something exceptional.
    Featured Skill Firebase
    MongoDB
    PostgreSQL
    App Development
    Back-End Development
    Web Development
    Tailwind CSS
    Next.js
    Node.js
    React
    Front-End Development
  • $15 hourly
    Developer with the goal of earning some extra money. Quick-learner and adaptable to changes in development lifecycle
    Featured Skill Firebase
    CSS
    HTML
    TypeScript
    JavaScript
    React Native
    React
  • $20 hourly
    👋 Hello, Upwork Community! I'm a passionate Flutter developer with two years of experience in the field. I currently work for a reputable firm specializing in health and fitness applications, where I've honed my skills tackling a wide range of challenges in this dynamic industry. 🚀 My journey in Flutter development has been an exciting one. I've contributed to crafting mobile solutions that empower individuals to lead healthier lives, whether through fitness tracking, nutrition planning, or wellness coaching. I take pride in my ability to turn complex ideas into user-friendly, visually appealing apps. 💼 While I thrive in my current role, I'm also eager to take on additional projects. I believe in the power of freelancing to not only broaden my horizons but also bring value to businesses and individuals seeking cutting-edge mobile applications. 🔧 My skill set includes: Flutter app development API integration Bug fixing and optimization Cross-platform development 🌟 I'm committed to delivering high-quality work, meeting deadlines, and exceeding client expectations. Let's collaborate on your next project and turn your app ideas into reality. Whether it's a new fitness app, a health tracker, or any other mobile application, I'm ready to bring it to life! 💬 Feel free to reach out, and let's discuss how I can contribute to your project's success. I'm excited to be a part of your team and help you achieve your goals.
    Featured Skill Firebase
    RESTful API
    Problem Solving
    Database
    GPS
    Flutter
    Dart
    Bluetooth
    Mapbox
    API Integration
  • $10 hourly
    Experience: Full-time software developer since 2022 with a masters degree in computer science. I specialize in designing and developing web and mobile apps, as well as making web apps accessible to users with varying abilities. Frameworks and programming languages: - Cross-Platform Mobile Development: Flutter & Dart - Web Development: JavaScript, CSS, HTML - Native App Development: Android (Kotlin) Why work with me: I bring not only technical expertise but also a commitment to delivering clean, efficient and maintainable code. I'm dedicated to working closely with clients, understanding their needs and transforming their vision into successful applications.
    Featured Skill Firebase
    GitHub
    Android
    HTML5
    Dart
    Kotlin
    Database
    Front-End Development
    CSS
    Web Accessibility
    JavaScript
    Flutter
    Mobile App Development
    Web Design
    Web Application
  • $20 hourly
    💡 I Build Fast, Scalable, & Secure Web Apps for Businesses & Startups 💡 You have a vision for your web application, and I help bring that vision to life! Whether you need a custom SaaS, e-commerce platform, or real-time web app, I can help you with realizing the project from start to finish including design, database, backend, frontend and hosting. Why Choose Me? ✅ I solve complex problems – Whether it’s building from scratch or fixing existing issues, I provide efficient solutions that scale. ✅ I focus on your business needs – Beyond coding, I ensure that your app supports your growth, revenue, and user experience goals. ✅ I deliver fast and clean code – No bloated or inefficient work—just reliable, well-structured development. ✅ Clear & proactive communication – Daily updates & weekly calls My Core Skills: ✔️ Django + DRF | React.js | PostgreSQL | MongoDB ✔️ WebSockets | Firebase | Stripe Payments | API integration & development ✔️ SaaS Development | Admin Dashboards | User Management | Custom Solutions ✔️ Performance, security, and scalability With over 3 years of experience as a full stack developer on Fiverr and more than 100 completed orders with perfect 5/5 rating I bring quality, reliability, stress-free process, and proactive communication. 💬 Need a reliable developer who understands your business goals? Let’s talk!
    Featured Skill Firebase
    API Integration
    SaaS Development
    TypeScript
    Front-End Development
    Database
    API Development
    Full-Stack Development
    Back-End Development
    Python
    Django
    React
    JavaScript
    HTML
    CSS
  • 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.