Hire the best MongoDB Developers in Seoul, KR

Check out MongoDB Developers in Seoul, KR with the skills you need for your next job.
  • $175 hourly
    As an accomplished full-stack developer with over a decade of experience, I bring a diverse skill set covering various frameworks and technologies. My expertise extends beyond specific tools, enabling me to lead and build high-performing remote teams. Professional Highlights: In recent roles at STROLID, Inc, I've showcased my versatility by leading globally distributed teams to deliver innovative solutions. Serving as the lead developer on projects like Pawlinks.com, Plateology.com, Subout.com, and Textgen.com, I consistently provide high-quality, scalable solutions. Upwork Recognition: With Top Rated Plus status on Upwork, I've successfully completed 47 jobs, maintaining a 100% job success rate and accumulating total earnings exceeding $1 million. My roles as a Lead Developer and Fractional CTO reflect a commitment to delivering top-notch solutions and valuable experiences. Technical Expertise: My proficiency spans various technologies, including JavaScript, Node.js, Meteor.js, Ruby on Rails, Serverless Stack (SST), AWS, Git, Agile Methodologies, SQL, Data pipelines, and Database design and management. I am passionate about driving innovation, fostering collaboration, and achieving technological excellence. Let's collaborate to elevate your projects to new heights.
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    Technical Project Management
    Heroku
    Leadership Skills
    Software Architecture & Design
    Serverless Computing
    AWS Lambda
    Agile Software Development
    MeteorJS
    Node.js
    PostgreSQL
    Ruby on Rails
    Ruby
  • $10 hourly
    I’m a developer with experience in building websites for small and medium sized businesses. Whether you’re trying to win work, list your services or even create a whole online store – I can help!
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    Tailwind UI
    React Native
    Tailwind CSS
    WordPress
    MySQL
    PHP
    Next.js
    JavaScript
    Node.js
    React
    TypeScript
  • $15 hourly
    As a seasoned full-stack software engineer with 4 years of experience, I specialize in building robust, scalable web applications. My multicultural background has been instrumental in fostering successful collaborations with clients across the globe, enabling me to adapt seamlessly to diverse team dynamics and business cultures. I excel in modern web development using FastAPI for high-performance backends, Nuxt.js for dynamic frontend experiences, Tailwind CSS for polished interfaces, and MongoDB for flexible data solutions. While this is my preferred stack, I pride myself on being technology-agnostic and can adapt to your specific requirements. My commitment goes beyond just writing code – I deliver thoughtfully architected solutions that align with your business objectives and provide long-term value. Let's collaborate to bring your vision to life.
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    Tailwind UI
    International Development
    International Business
    Vue.js
    FastAPI
    Python
    Tailwind CSS
    Web Development
    Web Application
  • $25 hourly
    ✅ Software Developer for 5+ YEARS on large scale projects in different countries like the UNITED STATES, UNITED KINGDOM, and SOUTH KOREA ✅ Main experience in JAVASCRIPT frameworks such as REACT and ANGULAR for frontend ✅ NODEJS frameworks for business logic in the backend ✅ Machine Learning Engineer specializing in AI projects within research labs in South Korea, experienced in TENSORFLOW and PYTORCH for Web and Mobile Applications ✅ Database Technologies such as MYSQL, MongoDB, and FIREBASE ✅ Using ANDROID or FLUTTER for mobile application development over various apps that are in production now Feel free to contact me anytime, I'll get back to you at my earliest convenience!
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    Android
    TypeScript
    JavaScript
    Angular
    React Native
    React
    Node.js
    Dart
    Amazon Web Services
    Web Design
    Web Application
    Web Development
    Flutter
    Front-End Development
  • $30 hourly
    We are a software development company with offices in South Korea and India and a team size of 50+ developers. We have vast experience in building custom web applications and mobile apps using latest technologies and have created 500+ apps and web applications for 100+ clients across the world. OUR EXPERTISE With an experience of 15+ years, we have developed numerous MERN stack applications using the following technologies. React JS Node JS Express JS MongoDB WHAT WE OFFER Complete MERN Stack based web applications Fixes for an existing app Database integration REST API development Third-party API integrations Code debugging and optimization Cloud deployments and whatever you ask for! OUR DEVELOPMENT PROCESS Collect & Analyze Client Requirements Wireframing Project Flow Web Application Designs Web Application Development QA & Testing Maintenance & Support Pricing starts at $2500 depending on your project´s scope and complexity - Please consult us regarding our availability and costs before ordering the GIG. Looking forward to hearing your idea and/or business needs and help you build it!
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    Node.js
    ExpressJS
    React
  • $33 hourly
    Hi Clients! Highly experienced and motivated software developer with professional experience in the field. I am adept at both frontend and backend web development, as well as devops work and systems development. I'm a fast learner, hard-working, and getting the job done well is my highest priority. Tech stacks related to my past experience: - Back-end: NodeJS/GraphQL/MySQL/MongoDB - Front-end: ReactJS/NextJS/Angular/PHP - CMS: Wordpress/Woocommerce/Wix - Android and iPhone: Java, Kotlin, Object C, React native, Flutter
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    React Native
    React
    Node.js
  • $33 hourly
    Highly experienced and motivated software developer with professional experience in the field. I am adept at both frontend and backend web development, as well as devops work and systems development. I'm a fast learner, hard-working, and getting the job done well is my highest priority. Tech stacks related to my past experience: - Back-end: NodeJS/GraphQL/MySQL/MongoDB - Front-end: ReactJS/NextJS/Angular/PHP - Solidity, Smart Contract, NFT - 3th Party Platforms: AWS/Firebase/Azure - CMS: Wordpress/Woocommerce/Wix - Android and iPhone: Java, Kotlin, Object C, React native, Flutter I look forward to working with you and helping out with your projects in any way that I can!
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    Node.js
    Website Translation
    React
    React Native
    Technical Translation
  • $120 hourly
    I specialize in creating tailored software solutions and designs to help businesses achieve their goals efficiently. My expertise spans multiple programming languages, including Java, Kotlin, JavaScript, TypeScript, and Python, ensuring versatility in tackling diverse challenges. With proficiency in powerful tools such as MySQL, MongoDB, Spring Boot, React.js, Next.js, and Figma, I deliver robust back-end systems, responsive web applications, and visually appealing designs. Whether you're seeking web development, UI/UX design, or a combination of both, I’m committed to providing high-quality results that meet your unique needs. Let’s work together to bring your ideas to life.
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    Python
    Next.js
    React
    Spring Boot
    Adobe Illustrator
    Figma
    MySQL
    Rust
    Golang
    TypeScript
    JavaScript
    Kotlin
    Java
  • $12 hourly
    Fullstack Engineer SUMMARY Full-Stack Web Developer with 6+ years of experience crafting efficient and user-friendly web applications. Highly skilled in both front-end (HTML, CSS, JavaScript, jQuery, Vue.js, React.js) and back-end development (PHP, SQL, Node.js, Python). Possesses strong database management experience with MySQL and PostgreSQL. Passionate about leveraging software design and architecture principles to build exceptional web software.
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    Web Development
    Web Application
    Mobile App
    Artificial Intelligence
    Rust
    Next.js
    Python
    Laravel
    PHP
    React Native
    ExpressJS
    React
    Node.js
  • $25 hourly
    Robust Backend Development: I specialize in building and maintaining high-performance backend services using Java, Spring Boot, and Hibernate, ensuring applications run smoothly and can scale effectively. Database Optimization: My experience with PostgreSQL (and occasionally MySQL) helps me design efficient queries and data models, minimizing latency and maximizing reliability. Seamless Frontend Integration: I collaborate closely with Angular teams to create cohesive, end-to-end solutions, making sure the frontend and backend communicate effectively. Quality & Best Practices: I’m a strong believer in clean, maintainable code. I regularly employ test-driven development, code reviews, and continuous integration to maintain high standards. Team Collaboration & Mentorship: As a Middle Backend Developer, I enjoy sharing knowledge, guiding junior colleagues, and working in Agile/Scrum environments to deliver features promptly and efficiently.
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    Linux
    MariaDB
    NoSQL Database
    SQL
    Apache Maven
    Apache Kafka
    Docker Compose
    Docker
    Spring Cloud
    Spring Security
    Spring Boot
    Jakarta EE
    Java GUI
    Java
  • $11 hourly
    Summary Motivated computer science professional with interests in scalable systems, software engineering, and artificial intelligence. Committed to deepening technical expertise and addressing real-world challenges through innovative solutions and interdisciplinary learning.
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    C++
    Scala
    React
    Next.js
    NestJS
    AWS Development
    PostgreSQL
    Node.js
  • $20 hourly
    I am a Full Stack Developer & DevOps Engineer with a strong foundation in the MERN stack and extensive experience working with both SQL (MariaDB, ClickHouse) and NoSQL databases. I specialize in building scalable, high-performance web applications with expertise in backend architectures, frontend development, and real-time communication systems. My experience includes designing NestJS monorepos, implementing GraphQL APIs, developing batch processing systems, and creating web crawling modules. I have a deep understanding of authentication mechanisms, encryption techniques, and real-time data processing, ensuring robust and secure applications. On the DevOps side, I am proficient in Docker, PM2, AWS, Nginx, Grafana, and Prometheus, allowing me to optimize infrastructure for reliability, scalability, and performance. My ability to manage CI/CD pipelines, automate deployments, and monitor system health has contributed to reducing downtime and improving efficiency. I have strong expertise in frontend development, specializing in React, Next.js to build dynamic, responsive, and highly performant user interfaces. My experience includes managing complex state logic with Redux Toolkit and Zustand, optimizing UI performance, and implementing modular, reusable components for scalability. I excel at integrating RESTful and GraphQL APIs, ensuring seamless data flow between frontend and backend systems. With a deep understanding of UI/UX principles, I focus on creating intuitive, visually appealing, and accessible web applications that enhance user engagement and experience. I am always eager to learn and adapt to emerging technologies, staying ahead in the ever-evolving software landscape. My passion lies in building efficient, scalable architectures and delivering innovative, user-focused solutions.
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    Next.js
    MySQL
    ClickHouse
    MariaDB
    Prometheus
    Grafana
    AWS CodeBuild
    NGINX
    Docker
    GraphQL
    ExpressJS
    NestJS
    Node.js
    TypeScript
  • $15 hourly
    👋 Hello there! I'm a seasoned software developer with five years of hands-on experience specializing in front-end and mobile development. My passion lies in crafting elegant and efficient solutions that bring ideas to life in the digital realm. 🚀 My expertise spans a versatile stack, including JavaScript, Vue, React, React Native, Node.js, and MongoDB. Whether it's building responsive web applications, creating immersive mobile experiences, or architecting robust back-end systems, I thrive on turning concepts into reality through clean, scalable code. 💡 With a keen eye for detail and a dedication to staying abreast of the latest industry trends and best practices, I pride myself on delivering high-quality, user-centric solutions that exceed expectations. Collaboration is at the heart of my process, and I'm always eager to work closely with clients to understand their unique needs and bring their visions to fruition. 💼 As a freelancer, I bring not only technical expertise but also a strong commitment to communication, reliability, and client satisfaction. Whether you're a startup looking to launch your MVP, a business in need of a digital transformation, or an individual with a creative idea, I'm here to help you navigate the digital landscape and achieve your goals. 🌟 Let's collaborate and build something extraordinary together. Get in touch, and let's turn your ideas into reality!
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    Vuex
    SCSS
    Git
    HTML
    CSS
    React
    Node.js
    JavaScript
    Vue.js
    React Native
  • $25 hourly
    I’m a Full Stack Developer experienced in building responsive, scalable websites for businesses. Whether you need an e-commerce platform, a custom web app, or a sleek business site, I can help bring your vision to life. Let’s create something amazing together!
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    Web Development
    API Development
    Flutter
    Next.js
    React
    CSS
    HTML
    MySQL
    PostgreSQL
    Node.js
    JavaScript
    FastAPI
    Django
    Python
  • $25 hourly
    Got an idea but need a developer to implement it? Here I am. Hire me! ✅ On Time Delivery ✅ Quick Response ✅ Always Available ✅ Quality Work ✅ Client Satisfaction I'm a passionate and versatile freelance developer with over 7 years of experience. I always give my best in every project, and I genuinely enjoy exploring new knowledge—even in domains that are unfamiliar. The tougher the challenge, the more I immerse myself in solving it. I have extensive experience in designing, building, and deploying robust software solutions. My areas of expertise include: ✅ Backend Development: I specialize in frameworks like FastAPI and Spring, though I'm proficient with other frameworks as well. I can integrate any type of API to suit your needs, ensuring secure and high-performance server-side architectures. ✅ Data Integration (Crawling & Scraping & API): I build efficient data extraction pipelines that enable seamless integration of data from various online sources through crawling, scraping, and external APIs. ✅ MLOps & AI Model Serving: I streamline the integration and deployment of machine learning models into production environments. I have experience serving models such as CV models, LLMs, and LVMs using ComfyUI, ensuring reliable performance and continuous delivery. ✅ DevOps & Cloud Infrastructure: I have developed and optimized infrastructure on major cloud platforms. I've worked extensively with AWS (IAM, STS, EC2, Lambda, API Gateway, Open Search, etc.) and various services on GCP, enhancing system reliability, scalability, and efficiency. ✅ Frontend Development: Complementing my backend expertise, I also build engaging user interfaces using HTML, CSS, JavaScript, and React to deliver complete, end-to-end solutions. ✅ Licenses: CISSP: Certified Information Systems Security Professional I'm committed to understanding your business needs and delivering tailored solutions that exceed expectations. Let’s connect and discuss how we can bring your project vision to life!
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    Security Engineering
    OpenAPI
    ChatGPT API
    Automation
    Data Scraping
    Web Crawling
    MySQL
    Spring Boot
    FastAPI
    API Integration
    API Development
    AI App Development
    SaaS Development
    Python
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