Hire the best MongoDB Developers in Maryland

Check out MongoDB Developers in Maryland with the skills you need for your next job.
  • $45 hourly
    IT professional | Automation | Full-Stack Developer | Big Data Engineer | Devops with over 8 years of experience specializing in IT department management for international logistic companies. I can implement effective software development | data infrastructure strategies at local and global levels. My greatest strength is business awareness, which enables me to permanently streamline infrastructure and applications. Striving to leverage my IT management | Full-Stack Development | Data Engineering skills. ☆ Specialized Technical Stacks ☆ - Languages: Python, C#, Terraform, Spark(PySpark, ApacheSpark), Javascript, HTML/CSS, PHP - Frameworks: Django, Flask, DotNet, Angular 2+, React, Node.js, WordPress, Shopify - Cloud Platforms: Amazon Web Service (Lambda, SNS, S3, CodePipeline, EBS, Route 53, API Gateway, CloudFormation, Transfer, EC2, Glue, etc), Google Cloud Platform (Cloud Storage, Compute Engine, Cloud Dataflow, etc) - Databases: MySQL, PostgreSQL, Redshift, Snowflake, RDS, Azure SQL, MongoDB, DynamoDB, GraphDB, and so on. - Log Monitoring tools: Grafana, Datadog, Kibana, and Splunk Look forward to a good collaboration with you! Cheers!
    Featured Skill MongoDB
    API
    Django
    PostgreSQL
    Web Crawling
    Amazon Redshift
    Microsoft SQL Server
    MySQL
    Amazon Web Services
    Flask
    Python
    SQL
    Apache Airflow
    AWS Glue
    ETL Pipeline
  • $95 hourly
    🚀 About Me Over the last eight years, I've been really passionate about building high-quality applications that are designed to grow with you. I think the foundation of great software is clean, reusable code, and that's what I focus on. My goal is to deliver solutions that are not just functional, but also easy for you to handle and expand over time. I see your project as a partnership, and I'm excited to help bring your vision to life. What Gets Me Excited? Turning Your Ideas into Reality I see every project as a partnership. I'm here to listen to your vision, understand your goals, and then use my technical skills to bring it all to life. I love the challenge of finding creative solutions to complex problems and building software that truly makes a difference for my clients. 🛠️ My Tech Toolbox I'm a full-stack developer, which means I'm comfortable working on both the front-end (what users see) and the back-end (the behind-the-scenes magic). Here's a glimpse into my toolbox: - Front-End: I love using React.js (including Hooks and Context API) to build dynamic user interfaces. I also enjoy creating super-fast websites with Next.js and Gatsby. And if you need a mobile app, I can build cross-platform solutions using React Native that feel just like native apps. To keep things organized, I use state management libraries like Redux, Jotai, and Zustand. For styling, I'm proficient with both TailwindCSS and Material-UI (MUI). - Back-End: On the server-side, I work with Node.js and Nest.js or Python/Django to create powerful, scalable applications. I'm a fan of GraphQL for efficient data handling and PostgreSQL for robust database management. I prefer using TypeScript for cleaner and less error prone code. I've also got experience deploying and managing applications on AWS, Firebase, and Vercel. 💡Why Work With Me? - I'm a Great Communicator: I'll keep you in the loop every step of the way with regular updates and I'm always just a message away if you have questions. - I Write Code You Can Trust: My code is clean, well-documented, and easy for other developers to understand – or even for you to take a peek at! - I Deliver On Time: Deadlines are important, and I'm committed to delivering high-quality work on schedule. - I'm a Problem-Solver: I don't just write code; I take the time to understand your challenges and find the best solutions to make your application even better. - I Care About Your Success: I love building long-term relationships with my clients. Many of them come back to me for future projects because they appreciate my dedication, transparency, and commitment to quality. 📈 How I Can Help You Whether you're starting from scratch or need help with an existing project, I can help you reach your goals. Here are some of the things I can do: - Build Custom Web Applications: From concept to launch, I can create tailored web apps that are perfectly aligned with your business needs. - Develop Mobile Apps: I can build engaging and user-friendly mobile apps using React Native. - Create Powerful APIs: I can design and build secure and efficient APIs using GraphQL, Node.js, or Django REST framework. - Design Your Database: I can create a well-structured PostgreSQL database to keep your data organized and your application running smoothly. - Optimize Performance: I can fine-tune your application to make sure it's fast and efficient for your users. 🌟 Let's Build Something Amazing Together! I'm genuinely excited about the possibility of collaborating with you. I'd love to hear about your project and discuss how we can make it a success. Reach out today, and let's start the conversation!
    Featured Skill MongoDB
    Web Development
    Git
    Redux
    App Development
    React
    React Native
    Node.js
    Firebase
    API
    CSS
    HTML5
    TypeScript
    JavaScript
    Python
  • $60 hourly
    Scientific Programmer with 5 years of professional experience. I have mined data using web scraping tools and publicly available APIs. I specialize in data gathering, building pipelines to clean and analyze it, and building web interfaces to view and interact with data insights. Projects i have built include bioinformatics tools, fantasy sports database building and analysis, video transcription application via google cloud computing services, and automated cryptocurrency trading.
    Featured Skill MongoDB
    SQL
    Data Extraction
    Web Scraping
    Node.js
    JavaScript
    HTML
    Python
    Coinbase API
    Beautiful Soup
    Data Science
    CSS
    Google APIs
    Data Scraping
    Perl
  • $35 hourly
    With years of experience as an AI Engineer, I specialize in Computer Vision (CV), Natural Language Processing (NLP), and Deep Learning (DL). My work spans Natural Language Processing (NLP), Computer Vision (CV), OCR, and Large Language Models (LLMs), with successful deployments in domains like KYC, legal tech, healthcare finance, SEO, customer support, and workflow automation by leveraging AI to streamline processes, enhance decision-making, and drive innovation. My expertise spans model development, data annotation automation, AI-driven application creation, and optimized deployment pipelines. 🔹 Core Competencies 🔵 Programming Languages: Python 🔵 Frameworks: TensorFlow, Keras, PyTorch 🔵 Libraries: OpenCV, Matplotlib, Pandas, NumPy, Scikit-Learn, PIL, Tesseract, EasyOCR, PaddleOCR 🔵 AI Techniques • Machine Learning: SVM, KNN, Regression, Decision Trees, Random Forest, Ensemble, Time Series • Deep Learning: ANN, CNN, YOLO, LSTMs, RNNs • Generative Models: Inpainting, Stable Diffusion, DALL·E, StyleGAN, LoRA • NLP: spaCy, NLTK, NER, word2Vec, TF-IDF, LLMs (LangChain, LLaMA, BERT, OpenAI API, GPT Fine-Tuning, Gemini, Mistral, RAG) • OCR & Speech Models: Text-to-Speech (TTS), Speech-to-Text (STT), Automated Speech Recognition (ASR) 🔵 Tools: Anaconda, Docker, GitHub 🔵 Cloud Platforms: • GCP: Vertex AI, BigQuery, AutoML, Dialogflow, Apache Beam • AWS: S3, SageMaker, EC2 🔵 APIs: Flask, FastAPI 🔵 UI Development: Streamlit, HTML/CSS, JavaScript, Webflow 🔵 Databases: Vector DBs (Pinecone, ChromaDB, MongoDB), SQL (PostgreSQL, MySQL) 🔵 Operating Systems: Windows, Linux, macOS 🔹 Computer Vision Expertise 🔵 Object Detection: YOLO, Faster R-CNN, SSD 🔵 Image Segmentation: U-Net, Mask R-CNN 🔵 Face Recognition & Liveness Detection: Real-time spoof detection and facial analysis 🔵 Traffic Light Detection: Real-time systems for autonomous vehicles 🔵 Number Plate Recognition: Detection and recognition of vehicle plates 🔵 Image Reconstruction & Enhancement: Using generative models for image restoration 🔵 Human Fall Detection: Real-time monitoring and alert systems 🔵 Handwritten Text Recognition: Extraction and evaluation of handwritten content 🔹 AI Solutions & Systems 🔵 AI Workflow Automation Automating data extraction, transformation, and decision-making using AI-powered pipelines N8N Make Zapier. 🔵 Agentic Systems LLM-driven agents for task orchestration, decision routing, and chatbot automation. 🔵 Document Intelligence Scanned PDF parsing, OCR + LLM integration, and automated information extraction. 🔵 Custom OCR Pipelines MTCNN, DLIB, Tesseract, EasyOCR, PaddleOCR with transformer-enhanced processing. 🔵 LLMs & NLP ChatGPT, Claude, LLaMA, Falcon, Gemini, LangChain, RAG, NER, summarization, sentiment analysis. 🔵 Data Parsing & Scraping Structured data extraction from web/doc sources using BeautifulSoup & Scrapy. 🔵 Voice & Text Automation ASR (Speech-to-Text), TTS (Text-to-Speech), and voice-based AI assistants. 🔹 Technical Proficiencies 🔵 AI/ML Development Model training, fine-tuning, optimization, and evaluation. 🔵 Data Engineering Large-scale dataset curation, preprocessing, and annotation. 🔵 Cloud & Edge AI Deployment of models on cloud platforms and edge devices. 🔵 MLOps Lifecycle management using MLflow, Kubeflow, and CI/CD pipelines. 🔵 Research & Innovation Published AI research & implementation of state-of-the-art techniques. #AIEngineer #MachineLearning #NLPExpert #LLMDeveloper #ChatGPTIntegration #GPT4Developer #LangChainDeveloper #BERT #RAGImplementation #NER #SentimentAnalysis #TextSummarization #ConversationalAI #OCRSpecialist #DocumentAI #PDFDataExtraction #InvoiceParsing #CustomOCR #TesseractOCR #PaddleOCR #EasyOCR #FormRecognizer #DataExtraction#AutomationEngineer #WorkflowAutomation #PythonAutomation #EndToEndAutomation #BusinessProcessAutomation #AlteryxDeveloper #DataPipelines #CeleryTasks #DataTransformation #FastAPIExpert #DjangoDeveloper #FlaskDeveloper #RESTAPI #AsyncAPI #BackendEngineer #APIIntegration #NodejsDeveloper #ServerlessAPI #CloudFunctions #AWSDeveloper #AWSBedrock #DockerExpert #CloudAI #DevOpsEngineer #CI_CD #ServerConfiguration #CloudDeployment #InfrastructureAsCode #SecurityTesting #EthicalHacking #KaliLinux #DigitalForensics #PenetrationTesting #SecureDevOps #AIForensics #APISecurity #StreamlitApp #TableauDeveloper #AIUX #DashboardDevelopment #WebflowDeveloper #DataVisualization #UserCenteredDesign
    Featured Skill MongoDB
    LangChain
    AI Chatbot
    OpenAI API
    TensorFlow
    Generative AI
    LLM Prompt Engineering
    PyTorch
    Natural Language Processing
    OpenCV
    Machine Learning
    Computer Vision
    Deep Learning
    Python
    Artificial Intelligence
  • $45 hourly
    ✅ Senior Full-stack Web Developer with over 5 years of experience. Experienced Fullstack Developer and competitive Programmer with expertise in Angular, REACT, REACT NATIVE, NEXT JS, NODE, MONGO DB, MYSQL, and other Javascript with a strong problem-solving background. I have developed end-to-end, fully functional websites and participated in numerous projects. I also have strong experience in system programming and multithreading FRONTEND Expertise ✅ Angular, React JS, Next JS, ANGULAR, TypeScript, JavaScript ✅ Ant design, Tailwind CSS, Material UI, CSS, Sass BACKEND Expertise ✅ NODE JS ✅ Django ✅ MONGO DB, POSTGRESQL, MYSQL COMPETITIVE PROGRAMMING ✅ Algorithm and Data structure expert ✅ Python, Java, C++ TESTING ✅ Jest ✅ Cypress ✅ jsDoc WHY ME? ⭐ Clean, structured, and maintainable code ⭐ Fluent communication and fast response time ⭐ On-time delivery and unlimited feedback revisions ⭐ Strong problem-solving skills and experience in competitive programming ⭐ Passion for exploring new technologies and approaches. ⭐ Experience at Google as a Software Engineer
    Featured Skill MongoDB
    Flutter
    Redux
    Android
    Business with 1-9 Employees
    React
    Django
    C#
    Python
    Golang
    Docker
    Dart
    ASP.NET Web API
    Java
    Vue.js
  • $100 hourly
    Alexander Kantuni: "Top-Rated Plus" Software Developer | Delivering High-Quality Solutions & Exceptional Client Satisfaction Hi! I'm Alexander Kantuni, a Washington D.C.-based software developer with a passion for creating innovative and reliable solutions that drive success. I have a strong foundation in various programming languages and tools, such as Python, JavaScript, TypeScript, React, Next.js, Remix, Node.js, Express, HTML, CSS, C, Java, JUnit, REST API, PostgreSQL, Git, Bash, Firebase, Heroku, Digital Ocean, Vite, Vitest, and OCaml. As a software developer on Upwork, I have consistently exceeded client expectations and delivered high-quality code within tight deadlines. I have strong communication and collaboration skills, working closely with clients to understand their needs and ensure project success. In addition to my technical skills, I am fluent in English, Spanish, Russian, and Armenian, which allows me to collaborate effectively with diverse teams and clients. I am dedicated to delivering exceptional solutions tailored to your specific needs and ensuring the success of your projects. Ready to bring your vision to life? Let's connect and start working together on your next software development project!
    Featured Skill MongoDB
    Firebase
    API
    Bash
    Heroku
    AWS Lambda
    API Development
    Node.js
    React
    CSS
    Git
    HTML
    JavaScript
    Python
    Responsive Design
  • $50 hourly
    I have nine years of experience building reliable online applications using the MERN stack and Ruby on Rails full-stack. I can deliver solutions that are scalable and up to the highest standards thanks to my expertise in MongoDB, Express.js, React.js, and Node.js. With a sharp eye for detail and a passion for clean code, I continually work to produce flawless user experiences. I can offer you the following services: ✅ Full-stack Web Application Development ✅ Database Design & Management ✅ 3rd Party SDK Integration ✅ API Development & Documentation ✅ Maintenance & Support ✅ Security, SEO & Performance Optimization ✅ CMS Integration The technologies I employ for development and design are listed below: ⭐ Front-end Development: HTML, CSS, JavaScript, React ⭐ Back-end Development: Node.js, PHP ⭐ Development Stacks: MERN, Ruby on Rails ⭐ Database: MySQL, PostgreSQL, NoSQL, MongoDB, Firebase ⭐ Payment Gateway: PayPal, Stripe, In-app purchase ⭐ Design Softwares: Sketch, Figma, Adobe XD, Photoshop, Illustrator ⭐ Cloud: Amazon Web Services, Heroku, Azure ⭐ Version control: GitHub, BitBucket, GitLab, Azure Rather than letting your ideas sit dormant for months, I can create an MVP that gathers user feedback, validates your concept, and even secures funding to launch it into the world of multi-million dollar startups. I am your dependable point of contact for all of your product releases and consultations. Please contact me if you have any questions or need assistance; I will gladly assist you right away with my knowledge. Best, Barbara
    Featured Skill MongoDB
    WordPress
    Next.js
    Vue.js
    Bootstrap
    Web Design
    Full-Stack Development
    Front-End Development
    Ruby on Rails Stack
    ExpressJS
    Node.js
    React
    MERN Stack
    Web Development
    Back-End Development
  • $65 hourly
    I am a seasoned Software Developer with 8 years of experience in building data-driven, cutting-edge applications. My expertise spans Full Stack, Frontend, Backend, and Artificial Intelligence & Machine Learning (AI/ML) development. I have a proven track record of leading development teams, acting as a Scrum Master, and consistently delivering high-quality, timely results. Key Skills Programming Languages: JavaScript/Node.js Python SQL Linux CLI Frameworks & Libraries: ExpressJS React Flask TensorFlow PyTorch
    Featured Skill MongoDB
    Google Cloud Platform
    Firebase
    Firebase Cloud Firestore
    Machine Learning
    PyTorch
    TensorFlow
    React
    Flask
    ExpressJS
    Linux
    SQL
    Python
    Node.js
    JavaScript
  • $35 hourly
    Are you worried about sales tax compliance? Navigating the complex world of sales tax compliance can be a daunting task for online businesses. With ever-evolving tax regulations and the expansion of e-commerce, ensuring that your business remains compliant is crucial. That's where our sales tax services comes can help. I can be your trusted partner in managing your sales tax obligations, providing expert guidance, and helping you save money while staying in compliance. Services Offered: Comprehensive Sales Tax Analysis: I conduct a thorough analysis of your online business operations to determine your sales tax obligations in various jurisdictions. I ensure you collect and remit the correct amount of sales tax, minimizing the risk of audits and penalties. Nexus Determination: I help you identify where your business has a "nexus" (tax presence) and guide you on when and where you need to register for sales tax permits. Tax Rate and Filing Compliance: I keep you up to date with the latest tax rates, ensuring that you apply the correct rates to your sales. I also handle the preparation and submission of sales tax returns, making sure you meet all filing deadlines. Exemption Certificate Management: I assist in managing exemption certificates, helping you validate customer exemptions and ensuring compliance with state regulations. Audit Support: If your business faces a sales tax audit, our consultants provide expert support, helping you gather the necessary documentation and negotiate with tax authorities. E-commerce Platform Integration: I can integrate sales tax software solutions with your e-commerce platform, automating the sales tax calculation process for hassle-free compliance. Why Choose Us: Expertise: I am well-versed in the ever-changing sales tax landscape. I make it my business to stay updated with the latest tax laws, ensuring you remain in compliance. Tailored Solutions: I understand that each online business is unique. I provide personalized solutions that cater to your specific needs and industry. Cost Savings: By accurately managing your sales tax obligations, I can help you avoid costly mistakes, penalties, and overpayments. Peace of Mind: With us by your side, you can focus on growing your online business, knowing that your sales tax compliance is in capable hands.
    Featured Skill MongoDB
    Tax Strategy
    Value-Added Tax
    Tax Preparation Software
    Tax Preparation
    Sales Tax
    Node.js
    React
    Angular
    Docker
    Java
  • $40 hourly
    I am a senior software engineer who has been developing software for more than 20 years. I have worked on various big data processing architecture and development projects within the Department of Defense for 15 of those years. I hold a BS in Computer Science and have been contributing to open source communities as an official committer. I have expert experience with the following skills: ElasticSearch, Kibana, Java, C#, C, NiFi (NiagaraFiles), Ruby, Python, Perl, Bash Scripting, MongoDB, MariaDB (MySQL), Oracle, JDBC Programming, PHP, CSS, JavaScript, XML, HTML, iOS (XCode), Android, Eclipse IDE, NetBeans IDE, and more : ) I also have experience with Unity3D and Game Engine technology and game development.
    Featured Skill MongoDB
    Elasticsearch
    Mobile App Development
    Game Development
    Linux System Administration
    Unity
    Apache Hadoop
    C#
    C
    Java
  • $36 hourly
    Hello there, my name is Zam Tual, and I have been a WordPress developer outside of Upwork for 5+ years. I have also been doing front end development for the past year using HTML, CSS, JavaScript and ReactJS. I am offering my services here on Upwork because I want to help others bring their ideas to life. Most of my WordPress experience has been creating/customizing Wordpress themes, Photoshop to WordPress, and maintaining/supporting ongoing WordPress sites. I also specialize in the eCommerce space with Shopify theme development. You should hire me if you are looking for a person who is: 1. Reliable and responsible for the work accepted (I back up all my work) 2. Gets the job done on time and within budget 3. Great with communication (I am native English speaker) 4. Gives you your money back if you are not happy with the end result I strive to put out my best work for every single one of my clients. If you want to work me, shoot me message and let's get it started. To your success, Zam
    Featured Skill MongoDB
    Vue.js
    Angular
    ExpressJS
    HTML5
    CSS 3
    React
    Node.js
    WordPress
    Bootstrap
  • $55 hourly
    Hey there, I am Kevin, a seasoned full-stack developer dedicated to crafting visually captivating and highly functional websites that prioritize an exceptional user experience. My commitment to excellence is evident in my proactive approach to taking on new challenges, and I am enthusiastic about transforming your web projects into reality. Proficient in a diverse array of technologies, I bring expertise in HTML5, CSS, JavaScript, React, Tailwind CSS, Material UI, Node.js, Express, MongoDB, PostgreSQL, and adeptly navigate designer tools such as Figma. My passion for innovation and problem-solving fuels a relentless pursuit of self-improvement, both professionally and personally. I firmly believe that continuous learning and growth are integral to achieving success in the dynamic field of web development. I am eager to contribute my skills and enthusiasm to your projects, ensuring they not only meet but exceed expectations. Looking forward to the opportunity to collaborate and create something extraordinary together. Best regards, Kevin
    Featured Skill MongoDB
    Swagger
    Figma
    Jest
    Tailwind CSS
    SCSS
    React
    HTML
    JavaScript
    Node.js
    PostgreSQL
    CSS
    ExpressJS
    Bootstrap
  • $120 hourly
    Full stack software engineer with 15 years of experience, now transitioning from full time to independent contracting work. I specialize in enterprise web and mobile application development. I am a full stack developer with a UI focus. I pride myself on delivering readable code that is well tested and easy to maintain decades down the line. I am mostly seeking Rust and Go language development opportunities, but I am open to Java, C++, Python, JavaScript, TypeScript, and other languages as well. My experience includes: Mozilla - Senior Firefox Desktop Engineer - February 2020 - January 2023 - Developed the front end of the Firefox Web Browser - Optimized browser startup by upgrading ASRouter’s inter-process communication from Message Channel to Fission. - Maintained cross platform support in complex browser changes spanning CSS, JS, HTML, native code, and the build system. - Improved browser accessibility using WAI-ARIA, Mac Voice Over, Windows Narrator, NVDA, Gnome Orca, and Firefox dev tools. Connexta LLC - Software Engineer - February 2018 - February 2020 - Managed 4 developers as Scrum Master. Tracked metrics to remove impediments boosting sprint velocity 316% in 5 months. - Initiated design and development of GeospatialDraw map drawing library in React to improve UX for geospatial search. - Joined UI Pilot development team to migrate DDF from Backbone/Marionnette with REST to React with GraphQL. 3M Health Information Systems - Senior Software Engineer - January 2012 – February 2018 - Collaborated in Scrum teams to develop AJAX applications for hospitals coding 600,000 medical encounters per day. - Created UI MVC framework from scratch, optimizing performance in long running single page AJAX applications. - Lead re-implementation of the CodeAssist application from Perl CGI to DeJanney AJAX more than doubling performance. - Assumed the full responsibilities from a team of three outsourced UI engineers, bringing all development needs in-house. General Dynamics Information Technology - Engineer, Info-Tech - November 2007 – January 2012 - Assumed the work load of two former full time engineers developing enterprise software in PHP, MySQL, and Java. - Led redesign effort of CasaNOSA web application from synchronous PHP5 to asynchronous Java, Adobe Flex, and SOAP. - Designed a generic history tracking system providing fine grained data version control, and auditing, for the entire database. - Maintained record of zero user reported bugs in over 2 years of continued operation, by enforcing thorough testing and QA. - Re-engineered the client side, Java Web Start, CASrt data analysis tool, improving loading times by 66%. U.S. Army Reserves - Psychological Operations Specialist - October 2001 – November 2009 - Served in Operation Iraqi Freedom April 2006 to May 2007, developing Psyop media products for mass dissemination. DeVry University - College Tutor - March 2005 – November 2007 - Tutored students in algebra, trigonometry, calculus, C++, electrical engineering, and English. University of Maryland - Web Designer - October 2001 – May 2002 - Developed and maintained HTML web pages using Macromedia Dreamweaver, Adobe Photoshop, and text editors.
    Featured Skill MongoDB
    Linux
    Amazon EC2
    HTML
    Golang
    webpack
    React
    JavaScript
    Java
    GraphQL
    C++
    Rust
    CSS
    Docker
    MySQL
  • $50 hourly
    Hi, I am an accomplished WordPress Full-Stack Developer with 20 years of experience in WooCommerce, API integration, Laravel development, custom Plugins development, and MySql database management. WordPress & custom software development is my bread and butter. With over two decade of experience, I'm a passionate WordPress and custom software developer. WordPress is not just a job or task for me; it is my passion. My mission is to create seamless, responsive, and innovative websites that cater to your unique needs. As a dedicated professional, I've successfully delivered outstanding results for numerous clients. If you're looking for an experienced full-stack developer & designer speclized in Wordpress who can help you build and maintain high-quality, scalable wordpress websites & web applications that will help your business grow, then I'm the person for you. Let's collaborate and transform your online presence into a dynamic and user-friendly platform. Contact me today to discuss your project and learn more about how I can help you achieve your goals.
    Featured Skill MongoDB
    Back-End Development
    Front-End Development
    ExpressJS
    Vue.js
    MariaDB
    PHP
    Laravel
    Software Development
    Full-Stack Development
    WordPress e-Commerce
    WordPress Development
    WordPress Bug Fix
    WordPress Website
    WordPress
  • $44 hourly
    As a recent Computer Science graduate with a passion for innovation and a proven track record, I bring a versatile skill set to the table. Whether you need a sleek, responsive website, a robust mobile application, or cutting-edge machine learning algorithms, I have the expertise to bring your vision to life. Here's what I offer: Web Development: Proficient in front-end and back-end development, I create websites that are not only visually appealing but also highly functional and user-friendly. I have experience with HTML, CSS, JavaScript, React, Node.js, and more. App Development: I build intuitive, high-performance mobile applications for both iOS and Android platforms using technologies like Swift and Kotlin. Machine Learning: With a strong foundation in machine learning, I develop algorithms and models to solve complex problems. My experience includes working with Python, Numpy and scikit-learn. Problem-Solving: I thrive on challenges and have a knack for tackling problems head-on, finding efficient and innovative solutions. Communication: Effective communication is key to any successful project. I ensure clear, consistent communication throughout the development process, keeping you updated and involved every step of the way. Let's collaborate to turn your ideas into reality. I'm excited to bring my skills and enthusiasm to your next project.
    Featured Skill MongoDB
    Heroku
    Machine Learning
    Solidity
    Swift
    API
    Artificial Intelligence
    HTML
    Flask
    JavaScript
    CSS
    Python
    Web Application
    API Development
    Web Development
  • $50 hourly
    Are you looking for a highly skilled Java developer who can build scalable, secure, and high-performance applications? With over 7 years of experience, I specialize in Java, Spring Boot, Microservices, AWS, and Kubernetes, delivering enterprise-grade solutions that drive efficiency and growth. 💡 What I Can Do for You: ✅ Microservices Development – Design and build RESTful microservices using Spring Boot, Spring Cloud, and Docker. ✅ Backend Development – Robust API design with Java 8/11/17, Hibernate, JPA, and PostgreSQL/MySQL. ✅ Cloud Deployment & DevOps – Deploy, monitor, and scale applications using AWS, Kubernetes, Terraform, and CI/CD pipelines. ✅ API Integration & Security – Secure APIs using JWT, OAuth2, Spring Security, and integrate with third-party services. ✅ Performance Optimization – Improve application speed, database efficiency, and scalability. 🚀 Why Choose Me? • Successfully built and deployed 10+ enterprise projects. • Strong experience in banking, government, fintech, healthcare, and e-commerce. • Expertise in AWS (ECS, Lambda, S3, SQS), Kubernetes, Docker, and Terraform. • Agile and DevOps mindset – Jenkins, GitHub Actions, GitLab CI/CD. • I write clean, maintainable, and well-tested code (JUnit, Mockito). • Strong communication and on-time project delivery. 📩 Let’s discuss your project needs! I’m ready to help you build a world-class application. Skills & Technologies: 🔹 Programming Languages: Java 8/11/17, Kotlin 🔹 Frameworks: Spring Boot, Spring Cloud, Spring Security, Hibernate, JPA 🔹 Microservices & APIs: REST, GraphQL, OpenAPI 🔹 Databases: PostgreSQL, MySQL, MongoDB, Redis 🔹 Cloud & DevOps: AWS (Lambda, ECS, S3, SQS), Kubernetes, Docker, Terraform, Jenkins 🔹 Security: OAuth2, JWT, API Gateway, Role-Based Access Control 🔹 CI/CD & Version Control: Git, GitHub, GitLab CI/CD, Bitbucket 🔹 Testing: JUnit, Mockito, TestContainers 🔹 Agile & Project Management: Jira, Trello, Scrum, Kanban Portfolio & Projects: 🌟 Enterprise E-commerce Platform (Java + Spring Boot + AWS) • Developed a highly scalable microservices-based e-commerce platform handling 1M+ transactions/month. • Integrated AWS S3 for file storage, SQS for messaging, and Lambda for serverless processing. 🌟 Banking API Gateway (Spring Cloud Gateway + OAuth2) • Built a secure API Gateway for a banking client, managing authentication & authorization using OAuth2 + JWT. • Reduced response time by 40% with performance tuning & Redis caching. 🌟 DevOps & CI/CD Pipeline (AWS + Kubernetes) • Set up an end-to-end CI/CD pipeline using GitHub Actions, Docker, Kubernetes, and AWS ECS. • Automated deployments reduced downtime by 90%. Availability & Contact: ⏳ Available 30+ hours per week 💬 Fluent in English 📍 Timezone: EST 📩 Let’s chat about your project!
    Featured Skill MongoDB
    DevOps
    MySQL
    SQL
    Database
    REST API
    AWS CloudTrail
    AWS CloudFormation
    AWS CloudFront
    Jenkins
    Kubernetes
    Docker
    Spring Framework
    Spring Boot
    Java
  • $50 hourly
    I’m a skilled web developer with a passion for helping small businesses establish their online presence. With extensive experience in designing and building dynamic, user-friendly websites, John specializes in crafting solutions tailored to each client's unique needs. Leveraging expertise in modern web development technologies, including HTML, CSS, JavaScript, Tailwind CSS, Python and frameworks like ReactJs, NextJs, VueJs, Node.js, Flask, FastAPI. Leon ensures each site is fast, secure, and visually appealing. Beyond development, Leon is proficient in deploying and maintaining websites on public cloud platforms such as Amazon Web Services (AWS), optimizing performance and scalability to meet business demands.
    Featured Skill MongoDB
    Cloud Computing
    Terraform
    Next.js
    Flask
    FastAPI
    Python
    MySQL
    PostgreSQL
    Docker
    Docker Compose
    AWS CodePipeline
    AWS Amplify
    Web Development
  • $100 hourly
    I’m a full stack developer with over 25 years of experience crafting custom software that solves real problems. I’ve built scalable, secure solutions using tools like Node.js, Vue.js, Python, and MongoDB—think API integrations, AI features, and more. My approach blends logic, creativity, and a deep understanding of client needs to deliver high-impact results. Whether you’re tackling a complex project or need a reliable technical partner, I’ve got you covered.
    Featured Skill MongoDB
    Git
    Docker
    PHP
    JavaScript
    API Development
    Quasar Framework
    Vue.js
    Security Analysis
    ExpressJS
    Node.js
    TypeScript
    Web Development
    Web Application
    Artificial Intelligence
  • $95 hourly
    I am a bilingual web and Mobile Application developer fluent in Mandarin and English, with over 10 years of experience in web and mobile application development. Holding an MBA and a Master's in Computer Science, I specialize in creating custom websites and mobile applications that meet client needs. I am passionate about delivering results that enhance my clients' businesses. Whether you need a responsive website or mobile app on iOS/Android, API integration, or a complete software solution, I am here to help you succeed.
    Featured Skill MongoDB
    TypeScript
    Node.js
    Apache Cordova
    React Native
    Web Development
    Software QA
    Scripting
    Product Development
    Beta Testing
    Script
    Web Application
  • $75 hourly
    Senior Software Engineer Accomplished professional with extensive experience in crafting scalable and resilient software solutions. Proven ability to design and implement cutting-edge data platforms using technologies like Java, Quarkus, and Apache Kafka, optimizing real-time data processing and integration. Skilled in leading technology initiatives from concept to production, driving innovation in data management and enhancing system interoperability across diverse environments. Expertise in mentoring teams and fostering collaboration to achieve high-quality, efficient results. Passionate about advancing open-source projects and continuously evolving platforms to meet emerging industry demands. Areas of Expertise * Big Data Technologies * Problem Solving * Agile Methodology * Project Management * Data Integration * Risk Management * Cloud Services * Client Relationship Management
    Featured Skill MongoDB
    Web Application Development
    Microservice
    REST API
    Apache Flink
    Apache Kafka
    Oracle
    PostgreSQL
    MySQL
    Relational Database
    NoSQL Database
    Spring Framework
    Spring Boot
    Back-End Development
    Java
  • $50 hourly
    I’m a senior full-stack developer, designer and technical project lead with deep experience building web and mobile apps — and increasingly, AI-powered applications — for startups, SaaS platforms, and digital agencies. From concept to launch, I help bring digital ideas to life with scalable tech and a product-driven mindset. Whether you’re building a cross-platform app, an MVP with backend logic, or want to integrate AI features like chat, transcription, text-to-speech, or recommendations, I’ve got the tools and experience to guide your project to success. | My Expertise Includes: • Web Development: React.js, Next.js, Node.js, Express, MongoDB, Firebase, GraphQL • Mobile Apps: Flutter and React Native for native-feeling iOS & Android apps • AI App Integration: • OpenAI, Claude, Llama, DeepSeek, other LLMs (chat, summarization, custom prompts) • Voice/ASR/Chat: ElevenLabs, Deepgram, MS, Google, Polly, Murf, Open Source Frameworks • Image/Video Generation: OpenAI, Flux, Stable Diffusion, Runway, Imagen, Veo, Kling, Luma, Opensource and others • Azure AI & Google AI APIs (TTS, transcription, translation) • Pinecone / vector DBs for RAG-based retrieval • LangChain, Make.com, Zapier for workflow automation • Backend & APIs: REST/GraphQL APIs, user auth, cloud storage, real-time databases • UI/UX Design: Figma, Adobe XD, mobile-first design, prototyping, responsive layouts • Full-Cycle Delivery: From ideation and wireframes to deployment and post-launch support • Agile Project Management: Sprint planning, team coordination, roadmap creation, and stakeholder communication • DevOps: Docker, CI/CD, Vercel, Netlify, AWS, Azure, Google Cloud • CMS & SEO: WordPress, HTML/CSS, PHP, SEO optimization for websites and landing pages I Specialize In: • AI-Enhanced Products: Chatbots, RAG, agents, automated workflows, AI summarization, voice interfaces • MVPs for Startups: Design Prototyping, Agile sprints, feature planning, roadmap delivery • Mobile Apps: Cross-platform design and development with Flutter or React Native • Full-Stack Web Apps design and development including multimedia, e-commerce, productivity, dashboards: Admin tools, analytics platforms, and portals • Scalable APIs: Custom backends with Node.js, Express, Firebase, MongoDB or MySQL Why Work With Me? • I don’t just design and write code — I build complete solutions that align with your business goals. • I’ve led product and tech teams, so I understand deadlines, priorities, and client needs. • I keep communication clear and consistent from day one. No surprises. Let’s talk about how we can build something innovative — or bring your existing product into the AI era. Send a message and let’s get started.
    Featured Skill MongoDB
    Python
    MySQL
    Database
    Node.js
    Flutter
    React
    React Native
    Project Management
    Web & Mobile Design Consultation
    Ecommerce
    Web Application
    Smartphone
    Mobile App
    Artificial Intelligence
  • $75 hourly
    I am a software developer experienced in developing solutions to enhance/automate processes. I am eager to work with you and create a new process or enhance your existing process.
    Featured Skill MongoDB
    Problem Solving
    Linux
    Scripting
    SQL
    JavaScript
    Java
    Ext JS 4
    React
  • $85 hourly
    I am a senior Java/Web developer with having 10+ years experiences. Over the last 10 years, I developed a lot of web and desktop projects such as Banking, financing, CRM, ERP, eCommerce, online education, Booking, CMS, web trading system, and so on. My hobby is programming and I spend the most of my time in programming like algorithm testing on codility.com when I have time to spare. Now I focus on Blockchain technology. I hope my skills and experiences will help you in your life and business. I am always ready for you. My core skills and technologies: 1) Websites and standalone applications development with Spring Boot, Spring framework (MVC, Security), and other Java-related frameworks and technologies - J2SE/J2EE - Spring (MVC, Boot, Security) - Apache Hadoop - Selenium - Junit - Maven - Thymeleaf - iText - JFreeChart - JasperReports 2) Database development - Database design - SQL programming & tuning - Administration - MySQL - MongoDB - Microsoft SQL Server - Oracle - SQLite - PostgreSQL 3) Websites development with PHP-related frameworks and platforms - Wordpress - Codeigniter - Zend - Magento - CakePHP 4) Websites and standalone application development with other languages and frameworks - C/C++ - C# - Classic ASP and ASP.NET - Entity Framework - Qt 5) Frontend development with HTML/HTML5 and Javascript libraries and frameworks - HTML/HTML5 - CSS/CSS3 - jQuery - Bootstrap - Angular - d3 6) Website development with 3rd-party API and REST API - AWS - Interactive Brokerage - REST API 7) Web servers and Development tools - Tomcat - JBoss/Wildfly - WAS - Eclipse - RAD - Visual Studio - Version Control System (Git, CVS, TortoiseSVN) 8) Miscellaneous - UML - Complex problem solving skill, Proficiency in all the phases of software life cycle - Fast learning for new technologies - Blockchain & Cryptocurrency
    Featured Skill MongoDB
    MySQL Programming
    CSS
    Spring Framework
    HTML
    WordPress
    Java
    ASP.NET
    JavaScript
  • $20 hourly
    Fullstack Software Developer with deep expertise in React, Next js, Node js, Typescript, Cloud Containers, SQL and NoSQL Databases, and Artificial Intelligence. Also proficient in shell scripting, full-stack development, and good experience working in Linux and Docker environments.
    Featured Skill MongoDB
    AI Chatbot
    PostgreSQL
    Artificial Intelligence
    Django
    Node.js
    React
    ExpressJS
    Front-End Development
    CSS 3
    HTML
    JavaScript
    ML Automation
    Machine Learning
    Python
  • $25 hourly
    I'm a young and upcoming full-stack developer. I've worked with small companies and individuals in building websites for them. I am constantly learning more technologies and working on improving my skills. I'm experienced in Node JS, Express, MongoDB, CSS, HTML, JavaScript. I communicate on time and give full breakdowns on project progress and the timeline of the project itself. I like to here what my client want to accomplish and get them to their goal in the best way I can
    Featured Skill MongoDB
    pandas
    NumPy
    MERN Stack
    R
    SQL
    Python
    Bootstrap
    ExpressJS
    Node.js
    CSS
    JavaScript
    HTML
  • $19 hourly
    I'm a full-stack developer experienced in developing websites, web and mobile applications. Whether the project is small, medium, or large scale I can execute it. Whether you need custom website or mobile app development, re-design or uplift existing applications, or version updates, I have got you covered. Knows: - Angular - React.js - Next.js - Node.js - MongoDB - HTML | HTML5 - CSS | CSS3 - JavaScript - TypeScript - Figma - UI/UX Design | Prototyping | Wireframe - Angular Material - MaterialUI - Bootstrap - TailwindCSS - ChakraUI - AWS - Ionic - jQuery - RestAPI - PostgreSQL - Firebase - Core PHP - Wordpress - Shopify - Full project development and designing from scratch - I strive for incessant and clear communication for efficient and effective execution of tasks. - Top-notch development work is my priority I am also open to contractual and long-term commitments. Let's get in touch to discuss your requirements or for a quick kick-start call !
    Featured Skill MongoDB
    Ionic Framework
    Back-End Development
    Front-End Development
    Figma
    UX & UI Design
    Mobile App Development
    Web Application Development
    Full-Stack Development
    TypeScript
    JavaScript
    Bootstrap
    Angular
    React
    Node.js
  • $28 hourly
    Hi, I’m Lovette—a passionate full-stack web and mobile developer with a creative flair! 🎨💻 After years in the tech industry, I’ve stepped away from corporate life to focus on building scalable, elegant solutions that help modern businesses thrive—on my terms. 🚀✨ You can skim through chacodaar.me to see my project styles and my few blog posts. Notable Projects: 🌟 Stanlion E-Commerce Website: Designed a sleek, responsive site for a luxury fashion brand using WordPress + WooCommerce. 🍔 E-commerce Restaurant Web App: Built a Next.js app for seamless online food ordering with secure payment integration. 📄 Live Collaboration Tool: Created a real-time document platform with Liveblocks and OpenAI for smart AI-driven suggestions. 📊 Financial Tracker App: Developed a web app for personal and business financial tracking with stunning analytics. Why Work With Me? ✅ Expertise in modern frameworks: React.js, Next.js, TypeScript, Tailwind CSS ✅ End-to-end solutions: From concept to deployment ✅ Creative + Analytical: A perfect blend of design sensibility and problem-solving ✅ Multilingual: Fluent in English & French for seamless collaboration 🌍 I’m excited to bring my experience and skills to your next project. Let’s create something amazing together! 💡✨
    Featured Skill MongoDB
    Critical Thinking Skills
    Design-to-Code
    OpenAI Inc.
    React Native
    Firebase Cloud Firestore
    Tailwind CSS
    User Authentication
    Search Engine Optimization
    Flutter
    App Development
    API Development
    Node.js
    React
    JavaScript
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