Hire the best MongoDB Developers in Cluj-Napoca, RO

Check out MongoDB Developers in Cluj-Napoca, RO with the skills you need for your next job.
  • $39 hourly
    As a Top Rated Freelancer on Upwork, I develop web applications that offer end-to-end solutions for various business processes, utilizing cutting-edge technology standards. I have successfully led and accelerated teams responsible for business-critical applications, enabling them to operate autonomously and deliver swift outcomes. With 8+ years of experience in engineering and technology, I have contributed to various organizations, by developing software that streamlines business processes, boosts efficiency, and automates workflows. I have worked with the following high-profile organizations in my career: • Continental (~45 billion € estimated revenue per year) • Marelli (~8 billion € estimated revenue per year) • De’Longhi (~2 billion € estimated revenue per year) • GEP (~200 million $ estimated revenue per year) As an example, while working with GEP, I lead a team of 8 developers, building the next iteration of a low-code cloud-native development studio used in streamlining end-to-end procurement and supply chain business processes. In addition, during my time with Continental’s Instrumentation and Driver HMI Business Unit, I worked on an end-to-end digital workflow software that improved task automation and reduced costs. Lastly, while working with De’Longhi’s largest production center, I proposed implementing automation and validation solutions that increased production by 14%. When approaching a new project, I strive to create personalized solutions that cater to specific requirements. My attention to detail, coupled with my ability to adapt to the unique needs of each project, sets me apart in the industry and enables me to exceed expectations. I am always seeking out innovative solutions to any challenge and take pride in delivering exceptional results. Why work with me? • I'm an overachiever dedicated to delivering maximum value to your organization. Your satisfaction is my top priority. • Efficiency, responsiveness, and diligence are the pillars of my work ethic. • My passion and complete dedication to every project have earned me the trust of my clients. • I'm committed to constant improvement and always strive to find innovative solutions for your business needs, delivered on time. Choose me as your partner and let's achieve your goals together.
    vsuc_fltilesrefresh_TrophyIcon MongoDB
    Web Design
    Web Application
    SQL
    ExpressJS
    ASP.NET Core
    Angular
    CSS
    React
    C#
    HTML
    JavaScript
    Node.js
  • $15 hourly
    Welcome to My Upwork Profile! I'm Titus Boga, a web developer specializing in full-stack web applications and scalable SaaS solutions. Education & Background I began my programming journey in high school with C/C++ and pursued a degree in Computer Science, laying a strong foundation in software development and engineering. My experience spans over 4 years, moving from low-level C/C++ programming to a focus on building modern web applications. Professional Experience I’ve developed SaaS applications and full-stack solutions that integrate user-friendly frontends with robust backends and scalable infrastructure. Developed two major SaaS applications, involving React, Next.js, Node.js, MongoDB, and MySQL. These projects included integrating secure user authentication, payment systems with Stripe, and managing real-time email notifications. Hands-on experience in server administration, including deploying applications on Linux servers (Ubuntu, Gentoo, CentOS), using Docker to containerize and migrate services, and implementing secure networking with IKEv2 and OpenVPN. Prior work involved C++ for projects utilizing communication protocols like Bacnet and Modbus, managing embedded systems, and optimizing software for multi-environment deployment. Web Development Expertise Frontend Development: Proficient in React and Next.js to create responsive and engaging UIs. Backend Development: Skilled in Node.js and Java, building scalable APIs and server-side applications. Databases: Experience with SQL (MySQL) and NoSQL (MongoDB) to ensure optimal storage solutions. Full-Stack SaaS Development: Complete lifecycle expertise—from concept to deployment—focused on user experience and reliability. Technical Skills Summary System Administration & Networking: Proficient with Linux environments, Docker, and secure network configurations. Complex Protocols & Embedded Systems: Extensive work with Bacnet, Modbus, and IoT protocols, including migrating embedded software to server infrastructures. API Integrations: Successfully integrated third-party APIs such as Stripe for payments and email systems for notifications. Why Work With Me? With my diverse background—from system-level programming to modern web development—I offer an integrated approach that guarantees reliability, scalability, and security. I am currently building my freelancing profile, and I'm eager to deliver top-quality work at competitive rates to establish a strong reputation. Let’s collaborate to bring your web application vision to life—whether you need a full-stack developer, help with SaaS architecture, or integration expertise. Feel free to reach out, and let’s make it happen!
    vsuc_fltilesrefresh_TrophyIcon MongoDB
    OAuth
    Web Development
    Next.js
    SaaS Development
    SaaS
    SQL
    JavaFX
    Docker
    Linux
    C++
  • $40 hourly
    With more than 16 years of experience, I have held key technical roles in multiple companies and I take pride in my ability to deliver top-notch, high-quality software solutions that exceed expectations. By staying at the forefront of technological advancements, I make sure that my clients benefit from the most innovative and efficient solutions available. I value long-term relationships and strive to be more than just a service provider. I aim to be a strategic partner, offering ongoing support and collaboration to help you achieve your business goals both now and in the future. Languages: - JavaScript, PHP, TypeScript, Python Frameworks and Libraries - ReactJS, Redux, Redux-Saga, React Hooks, React Material - jQuery - Vue.js, Vuetify - Node.js, Nest.js, Next.js, Express.js, Socket.io - Angular 4, 6-9, Angular Material - Serverless - 3D libraries: Three.js, Babylon.js Databases - MySQL, PostgreSql, MongoDB, Firebase, Elastic Search - Redis Cloud Computing - AWS IAM, Cognito, API Gateway, Lambda, S3, EC2, RDS, DynamoDB, AppSync, Amplify, etc - Google Cloud Platforms: Compute Engine, Cloud Run, Cloud Storage, APIs - Docker - Kubernetes Payment Gateways - Stripe, PayPal, Adyen, Braintree, Skrill CI/CD - GitLab, Jenkins No matter what industry you're in, I am here to take your business to the next level. Let's embark on a transformative journey together.
    vsuc_fltilesrefresh_TrophyIcon MongoDB
    Three.js
    Website Performance Optimization
    Google Cloud Platform
    Vue.js
    Node.js
    React
    JavaScript
    PHP
    Database Design
    Symfony
    Amazon Web Services
    MySQL
    PostgreSQL
    API
  • $35 hourly
    Hi there 👋, I’m Razvan, a passionate Web3 Full stack Developer. With a robust engineering background fused with extensive software development and project management experience, I bring a unique perspective to tackling new challenges. My ability to learn quickly and adapt to new environments ensures I stay ahead in the fast-evolving tech landscape 🚀. I’m excited about contributing to innovative Web3 projects and collaborating with dynamic teams to build the future of decentralized applications. Core Proficiencies: - Backend Technologies: NestJS, Node.js (Typescript) - Cloud & Infrastructure: Knative, Kubernetes, AWS, Firebase, Docker - Frontend Frameworks: Next.js, React, React Native, Angular - Databases: SQL, NoSQL, Redis - Messaging & Queuing: RabbitMQ, SQS - Blockchain Development: Solidity, Blockchain Concepts Additional Skills: - Programming Languages: C, Java - Cybersecurity: Cybersecurity Concepts, Computer Networks
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    Node.js
    ExpressJS
    Project Management
    Product Management
    Spring Boot
    Angular
  • $50 hourly
    Software engineer with considerable experience in product development, software design, implementation, testing and architecture. Experience in DevOps/Sys Admin activities, never afraid to get hands on implementing Continuous Integration/Delivery systems. Main interests in back-end / server-side technologies especially working on BigData systems and REST APIs. I’m an Evangelist when it comes to clean code, agile development and SOA/Microservices. Extremely flexible to adapt to different work environments, creative, analytical, and with positive attitude. I tend to be quite relaxed under stress and don’t mind putting in a couple of extra hours when things need to be done. Eager to learn new IT technologies and expand my business perspective.
    vsuc_fltilesrefresh_TrophyIcon MongoDB
    Spring Security
    Hibernate
    Software Architecture & Design
    Microservice
    SQL
    Spring Boot
    Golang
    Spring Framework
    Java
  • $35 hourly
    Hey there! I'm Ferenc, a seasoned web developer who loves working with startups and medium-sized businesses to build their awesome online platforms. I'm a programming language and framework enthusiast — always curious and eager to learn new things and techniques. I'm definitely a bit of a generalist, or as my current boss likes to say, a "Swiss Army Knife" developer, and I can't deny that he's got a point. I enjoy diving into different technical areas, so I'm your go-to person for jobs that require diverse expertise. When it comes to complex problem-solving, I'm your guy. I have a knack for envisioning, planning, and implementing robust systems that tackle the trickiest challenges. From optimizing code and refactoring legacy systems to making mobile-friendly improvements, I've got you covered. I strongly believe in bringing those old codes up to today's standards. As a full-stack developer, I'm all about both the front-end and back-end sides of things. I love crafting seamless user experiences that are backed by solid infrastructure. By understanding the whole picture, I ensure everything works like a charm to achieve your business goals. If you're in need of a versatile developer who can bring fresh insights, devise killer strategies, and implement cutting-edge solutions, I'm here to rock your project. Let's team up and turn your ideas into reality!
    vsuc_fltilesrefresh_TrophyIcon MongoDB
    Meteor.js Stack
    C
    Golang
    TypeScript
    Angular
    MeteorJS
    CodeIgniter
    Laravel
    React
    Node.js
    JavaScript
    Elixir
    PHP
  • $75 hourly
    Senior Java Engineer/ Contractor / Freelancer with 9+ years of experience in building cutting-edge software solutions. Helping global clients achieve their technology goals using AWS, Java, Python, Golang, and Node.js.
    vsuc_fltilesrefresh_TrophyIcon MongoDB
    REST API
    PostgreSQL
    Git
    Docker
    Amazon EC2
    Amazon ECS
    Amazon S3
    Apache Camel
    Kafa
    Spring Boot
    Golang
    Python
    SQL
    Java
  • $55 hourly
    I’m a Full-Stack Developer with 9+ years of experience specializing in React, Node.js, TypeScript, and Next.js. I’ve worked with startups and well-funded companies, helping build products from the ground up and seamlessly integrating into ongoing projects. My adaptability allows me to thrive in diverse environments, from fast-paced startups to structured enterprise teams. • Expert in: React, Next.js, TypeScript, Node.js, MongoDB • Built & scaled web applications in industries like HR, finance, real estate, healthcare • Hands-on experience with REST & GraphQL APIs, DevOps automation, and cloud platforms • Strong problem solver, capable of modernizing legacy codebases and optimizing performance • Great communicator – I ensure smooth collaboration and clear progress updates Let’s discuss how I can contribute to your product!
    vsuc_fltilesrefresh_TrophyIcon MongoDB
    Cypress
    Product Development
    Web Testing
    Redux
    Mongoose
    GraphQL
    ExpressJS
    Node.js
    React
    Web Application
    Web Development
  • $90 hourly
    With over a decade of experience in full-stack web development and architecture, I bring a wealth of knowledge and a track record of delivering high-performance, scalable applications. My expertise spans the entire development lifecycle, from conceptualization to deployment and maintenance. What sets me apart: Full-Stack Mastery: Proficient in both front-end (React, Vue.js, Angular) and back-end (Node.js, Python) technologies. AI Integration Specialist: Experienced in implementing machine learning models, natural language processing, and computer vision into web applications. Zendesk & Zoho & Analytics integration specialist. Scalable Architecture: Skilled in designing and building systems that can handle millions of users. Cloud Expertise: Extensive experience with AWS, Google Cloud, and Azure for robust, cloud-native solutions. Agile Methodologies: Adept at working in fast-paced, collaborative environments using Scrum and Kanban. Problem Solver: Known for tackling complex challenges and delivering innovative solutions. Continuous Learner: Always up-to-date with the latest web technologies and AI advancements. Harvard MBA graduate - the CORe program, completed in March, 2024 Whether you need to enhance your existing web application with AI capabilities, build a new system from the ground up, or optimize your current infrastructure, I have the skills and experience to exceed your expectations. Let's collaborate to bring your vision to life with the perfect blend of established web technologies and cutting-edge AI innovations.
    vsuc_fltilesrefresh_TrophyIcon MongoDB
    Data Scraping
    Vuex
    ECMAScript 6
    Vue.js
    RESTful Architecture
    ExpressJS
    Nuxt.js
    React
    Node.js
    CSS
    Sass
    JavaScript
    Apache CouchDB
    HTML5
  • $10 hourly
    Hello! I'm a seasoned Python Developer with a strong background in both back-end and front-end development. My journey in the tech world spans across diverse industries, from telecommunications to web data collection. Python Development: Expertise in Flask, crafting dynamic and efficient web applications tailored to client requirements. Database Management: Proficient in database optimization, particularly with Postgres. Whether it's structuring or querying, I aim to maximize speed and reliability. Web Scraping: Built multiple scrapers, developed ScraperEngines, and standardized data collection using a range of libraries like Selenium, Requests, and BeautifulSoup. I ensure data quality, efficiency, and resilience against changes. System Integration Testing: With a keen eye for details, I conduct thorough system integration tests, ensuring every component works in harmony. Telecommunications: I've contributed significantly to telecommunications projects, designing and supervising data workflows using tools like Apache Nifi and Apache Airflow. Front-End Development: While my core strength lies in backend development, I've also dabbled in front-end projects using React, adding fresh features and troubleshooting issues. Other Skills: Experience with Lambda Functions, AppSync, Factory Design Pattern, and other technologies and patterns.
    vsuc_fltilesrefresh_TrophyIcon MongoDB
    Django
    Flask
    Docker
    CSS
    HTML
    ASP.NET
    C++
    JavaScript
    Python
    C#
  • $40 hourly
    I'm an experienced blockchain architect and smart contract developer. I have developed and delivered large web-based DeFi/web3 applications in last 4 years. I have worked in the financial, capital markets, and payments space and have great experience in the healthcare space building large-scale HIPAA compliant applications. My blockchain and crypto experience started in 2017 when I developed a cryptocurrency exchange. Since then, I have built, deployed, and managed multiple complex blockchain and crypto applications including ERC20 tokens, ERC721 tokens, decentralized file storage platform, Ethereum framework, NFT marketplaces, and numerous smart contracts. I have an abundance of experience in web development with a focus on React.js and MERN stack. For the last few years, I've been collaborating with a variety of companies from small startups to medium communities-making me intimately familiar with all the aspects of the web life cycle from the initial architecture to final deployment. Technologies and skills: Blockchain, Solidity, Solana, Smart Contract, Web3.js, Ethers.js React, Redux, Next.js, Typescript, Node.js, React Hooks, Vue.js, Nuxt.js, MEAN/MERN stack, and MongoDB. AWS, Azure, and Google Apps as well as Linux and Windows Server Administration I'm good at agile development method, remote freelancing so I'm extremely flexible with my working hours. Send me a message so we can discuss what you're looking for. Thank you!
    vsuc_fltilesrefresh_TrophyIcon MongoDB
    Blockchain
    AWS Lambda
    Smart Contract
    Node.js
    React
    Redux
    Blockchain Architecture
    TypeScript
  • $15 hourly
    I’m a junior software developer with experience in building fullstack applications in Java/React. I also built small applications in UiPath/Automation Anywhere/Power Automate. I am also familiar with blockchain technologies. • I worked with HTML, TypeScript/JavaScript, CSS 3/5 • For databases, I can work with MongoDB and MySQL • As backend, I’m most experienced with Java, but I also know Python and C/C++ • I can also help with the UI/UX design
    vsuc_fltilesrefresh_TrophyIcon MongoDB
    Blockchain
    Software Design Pattern
    Robotic Process Automation
    Operating System
    UiPath
    Database
    Computer Network
    Apache Kafka
    Spock
    TypeScript
    Java
    JavaScript
    Python
    React
  • $15 hourly
    I am a skilled software developer with a passion for bringing ideas to life through robust, user-centered web solutions. Whether you're launching a new project or starting your own business, I can support you in turning your vision into a functional, well-designed product that meets your goals. Frontend Development: Proficient in HTML, CSS, JavaScript, and TypeScript with a strong command of frameworks like React and Vue for building responsive, dynamic user interfaces. Backend Development: Experienced with Express and Node.js for creating efficient server-side applications. Database & Backend-as-a-Service: Knowledgeable in MongoDB and Appwrite for managing data and delivering scalable, secure backend solutions.
    vsuc_fltilesrefresh_TrophyIcon MongoDB
    UI/UX Prototyping
    Tailwind CSS
    HTML
    CSS
    MERN Stack
    Node.js
    Full-Stack Development
    Back-End Development
    Front-End Development
    JavaScript
    React
    Web Development
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