Hire the best Firebase Developers in Bucharest, RO
Check out Firebase Developers in Bucharest, RO with the skills you need for your next job.
- $45 hourly
- 5.0/5
- (20 jobs)
I have 9 years of experience in software development and 5 years in Flutter development. I have built around 20 complete apps and MVPs from scratch for various satisfied clients. I enjoy building exceptional, pixel perfect Flutter apps. I have worked with both small and large companies to create mobile and web products using Flutter. My preferred projects are the ones that have precise design specs (Figma, Adobe XD) and clear use cases, so I can jump right in and code. Check out my GitHub to view screenshots of my apps.Firebase
Mobile UI DesignMobile AppMobile App DesignSQLJavaAPI DevelopmentHybrid App DevelopmentAndroidDartMobile App DevelopmentFlutter - $100 hourly
- 5.0/5
- (5 jobs)
🏆🌍 Highly Respected Unity Developer | 7+ Years of Crafting Games That Players Love! 🎮 🔥 Passionate about bringing ideas to life, I’ve spent 7+ years developing immersive, high-performance games across Android, iOS, WebGL, and PC. From leading teams as a Senior Unity Developer to architecting engaging experiences as a Lead Unity Developer, I’ve tackled everything from core gameplay mechanics to complex backend integrations. 🎯 🔧 My 'Generic Systems' strategy ensures bug-free, highly optimized code that runs at peak performance while maintaining perfect scalability and usability. Whether it’s optimizing performance, crafting seamless multiplayer experiences, or pushing the limits of Unity, I thrive on building games that keep players coming back for more! 🚀 📊 My Work in Numbers ✅ Collaborated with 2 - Top 100 brands on the Google Play Store & App Store 📱🏆 ✅ Solo-developed 10+ games from scratch, bringing ideas to life 🎮🔥 ✅ 100M+ total downloads across all my games (yes, you read that right!) 🚀🌍 ✅ Worked with SuperPlay, ranked #3 in casual game revenue on Google Play 💰🎯 ✅ 1B+ players played titles I contributed to—players just can’t get enough! 🎉🎮 🛠 My Tech Stack? - Unity 🚀 - C# 🔥 - Firebase/GCP/AWS (Backend) 📊 - MySQL / Redis / Firestore (Databases) 📈 - Java (Android Native Stuff) 📲 - JavaScript (Backend Development) 💾 - PHP (Custom Servers) 🖥 - Git / GitHub / GitLab / Bitbucket / SVN (Version Control) 🔄 - Fish-Net (Multiplayer Frameworks) 🌍 - WebSockets / REST APIs (Server Communication) 🔗 - Unity Profiler / Frame Debugger (Performance Optimization) ⚡ - Crashlytics / Logcat (Debugging & Crash Reporting) 🐛 - Memory Profiler / Deep Profiling (Memory Management) 🧠 ⭐ Why Work With Me? ✨ Over-Delivering: I always bring maximum value using my expertise. 💬 Super Responsive: Expect fast communication and real-time updates. 🔍 Problem Solver: I find great solutions, fast! 💙 Friendly & Professional: I treat every client with respect and understanding. 🔥 Motivated & Passionate: I thrive on helping businesses succeed! 📩 Let's Work Together! Whether you’re looking to bring your vision to life or need solutions to complex technical challenges, I’m here to help! Ready to level up your project? Let’s chat! 🔥Firebase
Back-End DevelopmentGoogle Cloud PlatformJavaScriptGame DevelopmentUser AuthenticationIn-App PurchasesPerformance OptimizationAndroidSQLiOSUnityPHPSecurity EngineeringC# - $40 hourly
- 4.9/5
- (10 jobs)
Hello and welcome to my profile! I'm a dedicated Mobile (React Native) and Front-end (React) Developer with a passion for crafting efficient, user-friendly, and visually appealing applications. With a strong foundation in both React Native and React, coupled with 5+ of hands-on experience, I thrive on turning ideas into robust, scalable solutions. Mobile Development Expertise (React Native): Proficient in developing cross-platform mobile applications using React Native. Experienced in integrating third-party libraries and APIs for enhanced functionality. Skilled in optimizing performance and ensuring smooth user experience across various devices. Capable of implementing responsive designs for seamless user interaction. Knowledgeable about debugging and troubleshooting to ensure app stability. Front-end Development Skills (React): Expertise in building interactive user interfaces using React. Proficient in state management using Redux and Context API for scalable applications. Skilled in utilizing React Hooks for functional components and improving code readability. Experienced in working with RESTful APIs and handling asynchronous operations. Knowledgeable about UI/UX principles to create intuitive and visually appealing designs. Additional Skills and Qualifications: Proficient in HTML5, CSS3, and JavaScript for web development. Familiarity with version control systems such as Git for collaborative projects. Strong understanding of responsive web design and mobile-first development principles. Experience with UI frameworks/libraries like Material-UI and Bootstrap for rapid development. Excellent problem-solving skills and ability to adapt to new technologies quickly. Why Choose Me? I am committed to delivering high-quality solutions that meet your specific requirements and exceed your expectations. By leveraging my expertise in React Native and React, along with my attention to detail and dedication to excellence, I ensure timely delivery and customer satisfaction. Let's collaborate to bring your ideas to life and create innovative solutions that propel your business forward. Feel free to reach out to discuss your project requirements or explore potential opportunities for collaboration. I'm excited to work together towards success! Thank you for considering my profile.Firebase
MobxStripeCI/CDMobile App DevelopmentAndroidReact NativeReduxJavaScriptExpressJSTypeScriptReactNode.jsJavaGraphQL - $25 hourly
- 5.0/5
- (6 jobs)
Full-stack web developer, NextJS, ReactJS, NodeJS, Firebase. Currently 5+ years of experience, including Amazon Web Services employment. Great time management skills, no missing deadlines.Firebase
SQLNext.jsWeb CrawlingSassExpressJSAutomationMaterial DesignMongoDBCSS 3HTML5ReactJavaScript - $99 hourly
- 0.0/5
- (2 jobs)
Full-Stack Developer Who Builds Apps That Grow With You – 72 Hours to Your First Prototype. 💡Core Expertise: - Frontend: Next.js (SEO-friendly, blazing-fast UIs) - Backend: NestJS/Express APIs with PostgreSQL/MongoDB - Infrastructure: Dockerized microservices, CI/CD pipelines (zero-downtime deployments) 🔥 Unique Value Propositions: 1. From Idea to MVP in 2 Weeks - Rapid prototyping for startups needing to validate concepts fast. 2. Your Code Won’t Collapse at 10,000 Users - Scalable architecture designed for growth. ✅ Social Proof: - Verified Developer | Delivered a real estate analytics dashboard (Next.js/NestJS) with 90% faster data loads. 📩 – Let’s Launch Your App in 30 Days or Less. 100% Money-Back Guarantee on Deadlines.Firebase
Problem SolvingGitHubUnit TestingMaterial UIBootstrapReact NativeSoftware DevelopmentReactExpo.ioMongoDBExpressJSReduxTailwind CSSNext.js - $25 hourly
- 5.0/5
- (4 jobs)
Highly experienced and driven web and mobile developer focused on delivering on time and exceeding my client's expectations. My tech stack comprised but is not limited to: ● Mobile: React Native, Expo ● Web Frontend: TypeScript, ReactJS, NextJS, REST, Tailwind ● Backend: NodeJS, ExepressJS, Firebase. I am interested to collaborate with you, looking to hearing from you.Firebase
Web DevelopmentWeb DesignNodeJS FrameworkReactMobile App DevelopmentReact NativeSwiftiOS Development - $15 hourly
- 4.7/5
- (5 jobs)
Hello, as a Full Stack Web Developer I specialize in creating dynamic, responsive, and scalable web applications across various industries. My expertise encompasses the entire spectrum of web development, from front-end to back-end technologies, and I am always eager to stay current with the latest trends and innovations. Key skills: - Programming languages: JavaScript, TypeScript, CSS, HTML, Java, SQL - Frontend: React.js, Next.js - Backend: Node.js, Express.js - Database: PostgreSQL, MongoDB, MySQL, Firebase, Supabase - Infrastructure / CI-CD: Git, GitLab CI, GitHub actions, Bitbucket, Docker, NGINX, Laragon - Cloud: Microsoft Azure, Google CloudFirebase
MongoDBNoSQL DatabaseFull-Stack DevelopmentPostgreSQLSupabaseExpressJSNode.jsGitNext.jsReactSQLHTMLCSSJavaScript - $50 hourly
- 0.0/5
- (0 jobs)
Digital Analytics Architect | 10+ Years Transforming Data into Growth GA4 - GTM - Marketing Attribution - Cookieless Solutions - SKAdNetwork Expert As a data department leader at a global marketing agency, I bridge technical analytics mastery with strategic business impact. My decade-long experience spans: Core Technical Expertise ✓ Full-funnel implementation (GA4, Adobe Analytics, Firebase, AppsFlyer/Kochava) ✓ Server-side GTM/Tealium deployments & privacy-compliant tracking architectures ✓ SKAN 4.0 advanced conversion modeling and incrementality testing ✓ Looker Studio dashboards with automated data blending ✓ Mobile attribution deep dive (MMP configurations, probabilistic modeling) Strategic Leadership Value Built & scaled analytics teams handling 50M+ user datasets Technical advisor for Fortune 500 companies on iOS15+ attribution strategies Certified in Google Analytics, Mixpanel, Adjust and AppsFlyer platforms Why Clients Choose Me First Principle Problem Solving: Fix tracking gaps others miss (e.g., S2S deduplication, SKAN CV optimization) Executive-Ready Insights: Translate raw data into boardroom-ready growth strategies Full Ownership: From initial tag audit to ongoing KPI governance Current Focus Areas Privacy-centric measurement (GA4 consent mode v2, CMP integrations) Incrementality testing frameworks for paid social Let's connect if you need: → Technical audits with actionable migration roadmaps → Complex tracking implementations (web/app/offline) → Leadership support for data team scaling → Clear explanations of "black box" attribution models Based in Bucharest | Fluent in Romanian & English Available for strategic consultations and hands-on technical leadership rolesFirebase
Ecommerce Purchase TrackingTracking PixelMixpanelAmplitudeGoogle Analytics 4Adobe AnalyticsData AnalyticsWeb Analytics ReportWeb Analytics Bug FixAnalytics DashboardAnalytics & Tracking SetupLooker StudioGoogle Tag ManagerAnalytics - $40 hourly
- 0.0/5
- (0 jobs)
As a Technical Lead, I work on multiple projects using Agile Lean Startup methodology within a flat team structure, leveraging various cloud providers and programming languages. With a Computer Science degree from the University of Bucharest, I have a strong passion for event-sourced architectures**, primarily developing with TypeScript and Node.js on AWS and Google Cloud. My role extends beyond software architecture and business logic; I actively contribute to product development from ideation to prototype, MVP, and continuous improvement. I engage with clients, discussing requirements, presenting solutions, and identifying opportunities. Additionally, I integrate third-party APIs, maintain CI/CD pipelines, and deploy applications across staging and production environments. I aim to blend technical innovation with a people-first approach to product development.Firebase
Technical AnalysisAPIProduct DevelopmentProduct DiscoveryTeam ManagementGolangPythonReact NativeGoogle Cloud PlatformAmazon Web ServicesPostgreSQLMongoDBNode.jsTypeScript - $8 hourly
- 0.0/5
- (0 jobs)
I'm currently on a mission to reach the pinnacle of Front-End Web Development. I am actively seeking junior roles that will provide a platform to challenge my skills, with the ultimate goal of influencing the world's technological landscape, one application at a time.Firebase
GitHubBootstrapReactJavaScriptCSSHTMLAdobe PhotoshopAdobe InDesignAdobe Illustrator - $30 hourly
- 0.0/5
- (0 jobs)
Are you looking for a skilled Back-End Developer who can build scalable, efficient, and high-performance applications? Look no further! With extensive experience in Node.js, microservices architecture, and AWS cloud solutions, I specialize in developing robust back-end solutions that drive seamless functionality and enhance user experiences. 🔹 What I Bring to the Table: ✅ Back-End Development: Expertise in designing and implementing efficient server-side applications. ✅ Node.js Expertise: Building fast and scalable applications using the latest frameworks and tools. ✅ Microservices Architecture: Designing, developing, and maintaining distributed and scalable microservices. ✅ AWS Cloud Solutions: Proficient in AWS services such as EC2, S3, Lambda, API Gateway, and more for cloud-based applications. ✅ API Development & Integration: Creating RESTful and GraphQL APIs that integrate seamlessly with front-end applications. ✅ Database Management: Proficient in SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases. ✅ Cloud & DevOps: Experience with AWS, Docker, Kubernetes, and CI/CD pipelines. ✅ Performance Optimization: Writing clean, efficient, and maintainable code to enhance performance and scalability. 🔹 Why Choose Me? ✔ Strong problem-solving skills and a keen eye for optimization. ✔ A results-driven approach, ensuring timely and high-quality project delivery. ✔ Effective communication and a deep understanding of client requirements. ✔ Passion for learning and implementing the latest industry trends. I am dedicated to helping businesses build powerful back-end systems that scale with their needs. Whether you need a custom API, microservices implementation, AWS cloud deployment, or an optimized server-side solution, I’m here to help! 📩 Let’s discuss your project and take it to the next level!Firebase
FlutterFlowReact NativeFlutterIn-App PurchasesDart - $17 hourly
- 0.0/5
- (0 jobs)
I build cost efficient websites and I design them to boost your business productivity. Additionally, I can make your website easy to be found and visually appealing with modern technologies The priorities in my work are to: understand the client's needs, to deliver it on time, to make it cost efficient, and for the result to bring pride. Skills: SEO, Frontend and Backend. HTML, CSS, JavaScrip, Node.JS, MongoDB, and and few others. Regular communication is really important to me, so let’s keep in touch!Firebase
DatabaseFront-End DevelopmentSQL ProgrammingAPIMySQL ProgrammingEJSNode.jsMongoDBHTMLJSONBootstrapCSSJavaScript - $20 hourly
- 0.0/5
- (0 jobs)
I'm a full stack developer specializing in Laravel backend and React/Vue (Inertia.js)/Tailwind for the front end. I develop optimized websites and apps using modern web technologies such as Laravel, Nuxt, Vue, React, Next.js, and Tailwind. With expertise in translating Figma designs into pixel-perfect web pages, I ensure every detail matches the original design. From new projects to existing ones, I'm dedicated to delivering exceptional results, timely delivery, and open communication for client satisfaction.Firebase
Tailwind CSSReactNext.jsResponsive DesignCSS 3HTML5JavaScript - $15 hourly
- 0.0/5
- (2 jobs)
Hi there👋🏻 Do you have an idea and looking for the right Developer/Designer? Or you need help with your project? Here I am and I am waiting for you. I want to help you to grow your business to next level. From leading retailers to tech start-ups, I've worked with many people and agencies and build many applications that boosted their sales and increases their business. Now I'm here to help you with my expertise. Feel free to connect with me and meet my team. We look forward to working with you❤️Firebase
Design-to-CodeWeb DesignUX & UI DesignFlutterSwiftiOS DevelopmentMobile App DesignJavaUser Experience DesignKotlinMobile UI DesignAndroidiOSMobile App Development - $17 hourly
- 4.5/5
- (2 jobs)
I am a Software Engineer and I have a Master's degree in Software Engineering at the University of Bucharest, where I also graduated with a Bachelor's degree in Computer Science in 2022. In my current role, I develop infrastructure for automating chaos engineering tests, which aims to improve the resilience and reliability of our services. I streamline processes, troubleshoot issues, and devise innovative solutions using Python, React, Java, MySQL, Puppet, Gitlab CI, Docker and Kubernetes. Previously, I worked as a Software Developer at a it security company, where I enhanced and developed new tools for automated penetration testing, such as subdomain discovery and takeover, where I used Python, MySQL, Docker and gRPC on daily basis. I also completed a Software Engineer Internship at Microsoft, where I built a security analysis tool for Azure DevOps Organizations using Python, Neo4j, Multithreading and Neo4j. Regarding mobile development, I used Flutter together with some Firebase features to develop a full fledged and functional “Workout Tracker” application for my bachelor thesis. I am passionate about tackling complex technical challenges and making impactful advancements in the software engineering landscape. I have a strong academic background, a diverse skill set, and a proven track record of delivering high-quality results in fast-paced and dynamic environments. I am eager to continue learning, growing, and contributing to the success of Booking Holdings and its customers.Firebase
GitFlutterGitHubComputer EngineeringGraph DatabaseCI/CDDatabasePythonMultithreaded ProgrammingDatabase Management SystemMicroserviceEngineering & ArchitectureNeo4jMySQL 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.
How do I hire a Firebase Developer near Bucharest, on Upwork?
You can hire a Firebase Developer near Bucharest, 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 Bucharest, 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 Bucharest, 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.