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Clients rate Software Debuggers
Rating is 4.8 out of 5.
4.8/5
based on 207 client reviews
  • $145 hourly
    I offer excellent data analysis and visualization using R or Python. Furthermore, i will conduct your Machine-Learning project. That can include data cleaning, manipulation, feature engineering, evaluation and deployment of machine-learning-models (also Deep Learning), and explaining of black box models. Need help with statistics in your studies? I provide you with well-explained input. Need help with your R-code? I will debug your script and/or give a code review. ✔️ more than 60.000 lines of R-code experience ✔️ R-package development, R-shiny, and R-markdown experience ✔️ SQL and Python coding ✔️ Theoretical and practical understanding of machine learning algorithmics ✔️ Master of Science Statistics with focus on Data Science ✔️ Finished 9th in Data Mining Cup 2017 out of 202 Teams Feel free to contact me anytime, I am curious to hear about your challenges. I am looking forward to working with you!
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    Code Review
    Data Analysis
    PostgreSQL
    ggplot2
    Time Series Analysis
    Data Science
    Machine Learning
    XGBoost
    R
    Random Forest
    Python
    Convolutional Neural Network
    Artificial Neural Network
  • $30 hourly
    If you are looking for web to print solution or user interactive applications, I am your guy. My aim is to provide quality work to my clients, and to have a good business relationship with them. My aim is to work for a long term at Upwork-Elance and showcase my skills. I now have 10+ Years of experience in developing web sites and web applications ranging from simple static websites to very complex web applications. My expertise are in Web to print solutions including but not limited to online t-shirt designers, online business card designers, online design creators etc. I wont let my clients down with any project that I work on. Thank you very much for visiting my profile. If you have any questions, Please do not hesitate to ask!
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    Magento 2
    HTML5 Canvas
    Vue.js
    React
    WordPress Plugin
    HTML5
    Web Development
    jQuery
    WordPress
    AngularJS
    Node.js
    Fabric.js
    JavaScript
    PHP
  • $18 hourly
    -- Over the last 6 years, I have developed a wide range of websites and ensured profitable ROI. I am expert using PHP (various CMS, framework and platforms), MySQL, HTML/HTML5, CSS/CSS3, JavaScript, Jquery and AJAX. My Web skills: ============ * E-Commerce: Neto, Magento, Woocommerce, Shopify, OpenCart, Prestashop, BigCommerce, CS-CART, X-Cart, Zen-Cart * Expertise: PHP, MySQL, JavaScript, jQuery, Ajax * Framework: CodeIgniter, CakePHP, Zend, Customized MVC framework * CMS: WordPress, Joomla, Drupal, * Design: Responsive Design, Web2.0, xHTML, HTML, XML, DHTML, CSS * Themes & Plugins Integration, 3rd party APIs Integration, Shipping Modules, aWeber, aMember, MailChimp, etc. - In addition to creating the websites and eCommerce stores, I am expert with conversion optimization so I ensure strong foundation for my projects. --I am available for interview as per your time zone, and would appreciate the opportunity to have a conversation with you. --I can devote the full time and available in every time zone.
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    Neto
    WordPress e-Commerce
    CodeIgniter
    Laminas
    OpenCart
    Zen Cart
    Joomla
    Shopify
    BigCommerce
    Magento
  • $42 hourly
    I can't say for sure but I have the impression that very few people (if any) in the IT field have read the "Message to Garcia" by Elbert Hubbard. I have read it and I dare to consider myself one of the people, who are able to "bring the message". There always will be someone who is more creative, knows more or works faster than me. I am aware of that and I accept it. Still, I am quite confident of being a better prepared professional than the average IT guy. I have 20 years of experience in programming, database modelling, system design and architecture, business processes analyses and automation, basic managerial accounting, Linux and network administration, Asterisk (FreePBX) configuration. I have successfully solved various business-related software and hardware challenges. Being able to combine both low-level and high-level allows me to work on wide range of tasks. I have reverse engineered and fully decompiled about a dozen Delphi components and desktop applications. Assembler was my 2nd language (after BASIC) and my first significant application was a player for tracker music entirely written in Assembler - with bass/treble digital filters. I like digging deeper and understanding the root cause. I am quite good at debugging and troubleshooting - and this is not an empty claim. Some of my achievements: - developed 2 full-blown ERPs (for Walltopia and Composite-X) - developed 2 accounting / warehousing applications with OLAP reporting and hierarchical multi-dimensional accounts - developed Windows service daemon for logging Skype chats to a REST API in real-time - ported one large desktop application (Interactive Delphi Reconstructor) from Borland CBuilder to Delphi - implemented a company-wide real-time backup solution using Yadis or Bvckup, Samba and NappIT on OpenIndiana - developed Linux daemon for controlling large LED strips based on WS2811 (and organized into X/Y matrix) through TCP/UDP socket - developed combined CDR reporting, matching information from the local Asterisk PBX with billing information from the VoIP providers - implemented Linux daemon for reading SMDR/CDR data from Panasonic PBX TDA-200 and storing in MySQL with reporting capabilities - developed custom reporting module for a 3rd party security access control system and integrated it with the in-house ERP system I choose my clients as carefully as you choose your freelancers. I value honesty, respect, good communication, good sense of humor, intelligence, modesty, kindness, generosity. I prefer to develop from scratch custom business solutions automating the workflow of small businesses. My previous experience with the 2 ERP systems I already developed (and which are used 24/7 by customers and employees) is of enormous benefit. I feel truly happy when I am able to help a client by removing the burden and simplifying the workflow. What can you expect from me: - educating and explaining the things which are too technical and unfamiliar to you - asking good questions - providing meaningful advises and recommendations - not trying to suck additional money by finding extra work of low business value - understanding your real business needs and goals - keeping you from making worthless or unwise expenses - excellent responsiveness - taking precautions against damaging your data - really listening to you and your problems/pain points - acknowledging my faults - enjoying good jokes - not quietly disappearing after faced with some tough challenge - honestly admitting when I do not know something or not being qualified enough - not over-complicating the solution - being available for support and further assistance after the final deployment - solving difficult problems - positive skepticism - breadth of knowledge - ability to “finish” - introspective, self-motivated to constantly improve - perseverance, scrappy in the face of setbacks, doesn’t “get blocked” - systems design ability - empathy for users - taking pains to write readable and maintainable code - methodical and analytical: can diagnose the most mysterious bugs or find the source of performance bottlenecks
    vsuc_fltilesrefresh_TrophyIcon Software Debugging
    HTML
    Vuetify
    ERP Software
    Database Design
    Vuex
    Business Analysis
    Vue.js
    SQL
    JavaScript
    Tailwind CSS
    Code Refactoring
    RESTful API
    PostgreSQL
    Quasar Framework
  • $100 hourly
    Seeking a project that I can be just as passionate about as you are! I generally break monoliths and work on micro service and event driven architecture. I can also help your company or team with seasonal development
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    API Development
    Microservice
    NodeJS Framework
    Web Services Development
    Golang
    Code Review
    RESTful API
    GraphQL
    JavaScript
    Git
    Docker
    TypeScript
    JSON
    Amazon Web Services
  • $45 hourly
    WHY ME: ✅ 5000+ hours on Upwork; ✅ 100% Project Success; ✅ Fluent in English; ✅ Large experience building FinTech solutions (KYC, payments, investments platforms). How do we differ from others? We care. So if you need to: - Get a perfect software solution that is a blend of inspiration, expertise, and innovation. - Have dedicated developers that can combine speed and quality by your side - Enhance the user experience - Start a reliable and inspirational cooperation - Make your business thrive … Core Services: * Branding & UI / UX design; * Custom web solutions; * iOS & Android native apps. When do clients need us? * Node.js Development * PHP Development * Backend Web Development * Frontend Web Development * React Framework * iOS App Development * Web App Development * Automation Scripts * API Integrations - AWS, DigitalOcean, S3, Amazon APIs, eBay APIs, Walmart APIs, Discord, Shopify, Twilio, Sendgrid - I can integrate anything! * Data Warehousing * MERN&MEAN Stack Development Perfsol - Top Rated company on Upwork - a software agency that builds a perfect solution for your business—focused on building an engaging user experience and translating it into the final product for your customers with the help of technologies. 📣 Industries we specialize in Fintech / Healthcare / UI/ UX / Video&Audio Streaming Thanks for reading that far. Shoot me a message and let's rock! 🙌 _________________________________________ - Mobile app development: Android, Java, Kotlin, iOS, Firebase, Swift, iPhone SDK, Android SDK, Android studio, Map Kit - Front-end development: HTML5, CSS3, JavaScript, Angular, React.js, React-Redux, React-Router, Vue.js, TypeScript, Ember, ES6, Ajax, WebPack, SASS, LESS, Twitter Bootstrap, Material-UI, NoSQL, Redis, Memcached, RabbitMQ, ElasticSearch - Back-end development: PHP, Laravel, Lumen micro-framework, Codeigniter, Yii2, WordPress, Zend, Kohana, Symfony, TYPO3 CMS, GraphQL, Drupal, Express, Laravel-admin, admin LTE, PHPUnit, PHPSpec, behat, Codeception, nova, MySQL, PostgreSQL, MongoDB, SQLite, MariaDB, ORM, Doctrine, Git, Gulp, Grunt, Laravel NOVA - QA - Linux and DevOps skillset: Ubuntu, CentOS, macOS, Docker, Vagrant, Apache, Nginx, AWS, EC2, S3, Digital Ocean, Google Cloud Hosting, CloudFlare, VPS, Godaddy, Plesk and CPanel, Jenkins, CI/CD integration, Kibana, Firebase, Heroku - UI/UX design: Brand Identity, User Research, Site map, User flows, UI kit, Icons, Logos, Colors, Typography, Wireframes, MVP, prototypes, Mockups, Wireframing, User Experience Design, iPhone UI Design, Mobile UI Design, MUI, Updated: 20th of May
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    Full-Stack Development
    PayPal Integration
    Laravel
    JavaScript
    React
    NestJS
    Microservice
    MySQL Programming
    Symfony
    Software Architecture & Design
    Vue.js
    Docker
    Next.js
    TypeScript
    PHP
  • $55 hourly
    Linux developer: from kernel drivers till own browsers, firmwares and linux distros! Creating software for people. github: repu1sion
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    Scripts & Utilities
    Bash
    Driver Development
    OpenWrt
    Linux System Administration
    Linux
    Kernel
    Firmware
    Python
    C
    Embedded Linux
    C++
  • $15 hourly
    🚀 Experienced Full Stack Developer | 8+ Years of Expertise Greetings! I'm Atul Kumar, a seasoned Full Stack Developer with over 8 years of experience specializing in crafting sophisticated web and API solutions. My proficiency spans ReactJS, NodeJS, Express, Python, AWS Lambda, Django, Flask, MongoDB, Firebase, Firestore, HTML5, CSS3, MySQL, and PostgreSQL. Key Highlights: 🌐 Dynamic User Interfaces: Specializing in building dynamic user interfaces using ReactJS, ensuring engaging and responsive designs. ⚙️ Scalable Server-Side Applications: Adept at developing scalable server-side applications with technologies such as Node.js, Express.js, Django, and Flask. ☁️ Cloud Deployments: Expertise in leveraging AWS services for efficient cloud deployments, ensuring reliable and scalable applications. 🔒 Database Management: Mastery in MySQL and PostgreSQL for efficient and secure data management. 🏆 Recognized Expert Software Engineer: I am recognized for developing efficient web solutions that align perfectly with client needs. My approach involves a meticulous understanding of your requirements, ensuring every project is handled with utmost precision and professionalism. ⚡ Collaborative and Communicative: Thriving in collaborative environments, I pride myself on excellent communication skills. If you're in search of a skilled software engineer with deep knowledge in ReactJS, Node.js, Express.js, Django, Flask, AWS, and database management, I'm here to help elevate your project to new heights. 🤝 Let’s Collaborate: Let’s collaborate to transform your visionary ideas into reality. I'm eager to discuss how we can achieve your project goals together. Feel free to connect! Kind Regards, Atul Kumar Extra Skills : python , python developer , python django , machine learning python , python full stack developer , django , django react , django rest framework , full stack django developer , django aws , python flask , python full stack developer flask , flask developer , flask python , python fastapi , web scraping , data mining data scraping , email scraping , python scraping , openai , openai whisper , openai chatbot , chatgpt openai , apis , databases , api , celery , pytest , unittest , selenium , scikit-learn, numpy, pandas, matplotlib, mysql , mongodb , redis , docker , ec2 , s3 , ubuntu , centos , nginx , git , react , react developer , react native , react native mobile , react typescript , reactjs developer , reactjs redux , reactjs , frontend react , typescript , react.js node.js , next.js , nextjs developer , next.js tailwind , react nextjs , next js , node.js , node , nest.js , node.js , node.js developer , node.js aws , express js , react node , node.js developer , backend node.js , fullstack developer react node
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    Flask
    Django
    Figma
    Redis
    React Native
    PostgreSQL
    Firebase
    CSS
    MongoDB
    Python
    ExpressJS
    Node.js
    JavaScript
    Redux
    React
  • $35 hourly
    🌟 Hey there! I'm an Experienced Full Stack Software Engineer with Over 8 Years of Expertise! 🚀 How's it going? I've nailed down 50+ projects and clocked over 20000 hours on Upwork. 🌟 My forte? Delivering top-notch Web and Desktop Applications. Here's why you should team up with me: 🌐 Expertise at a Glance: ✅ Cloud Architecture: I'm all about crafting cloud-based apps and smoothly shifting them to AWS. Currently, I'm diving deep into EC2, Lambda, DynamoDB, and various AWS goodies. 👩‍💻 Tech Junkie: I'm always on the hunt for cool tech like Elasticsearch, Microservices Architecture, and I love embracing fresh ideas. 🌐 Top Skills: ✔️ NodeJS Pro: I rock NodeJS for interactive sites and handle AWS for business needs. ✔️ Frontend Guru: I ace JS Frameworks (AngularJS, Angular 2_16), Next.JS, TypeScript, AJAX, HTML5/CSS3 for stunning layouts. ✔️ Backend Brilliance: NodeJS, Nest.JS for sturdy backend work. ✔️ Database Master: MongoDB, MySQL, PostgreSQL are my go-tos for managing data like a boss. ✔️ AWS Mastery: From Lambda to DynamoDB and more, AWS is my playground. 🔧 Tools of the Trade: Git, GitHub, bug trackers, Jira - I've got all the tools to make things happen. 🌟 What Clients Say: ⭐⭐⭐⭐⭐ "Problem-solving champ! Great with APIs & backends. Can't wait for more projects. 🌈" ⭐⭐⭐⭐⭐ "Awesome experience with Jitendra! 🌟" ⭐⭐⭐⭐⭐ "Super available, lightning fast, ReactJS whiz. A team superstar! 👏" ⭐⭐⭐⭐ "Hardworking, sticks to deadlines, and loves learning new stuff. 🚀" ⭐⭐⭐⭐⭐ "Node master! Super quick and thorough. A must-have! 🌟" ⭐⭐⭐⭐ "Amazing work! 🚀" 👉 Dive into My World: Check out my portfolio for a sneak peek into my projects and ideas. I'm sure you'll love what you see! Thanks for stopping by my profile!! 🌈🚀
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    LoopBack
    NestJS
    TypeScript
    API Integration
    API Development
    Vue.js
    ExpressJS
    Next.js
    Angular
    GraphQL
    JavaScript
    Amazon Web Services
    RESTful API
    React
    Node.js
  • $90 hourly
    I am a veteran DevOps and I love urgent jobs. Time is money for your business, and I strive to resolve problems quickly and efficiently, often within minutes. I optimize servers to handle large volumes of visitors and improve website and application performance. My solutions have saved some of my clients thousands of dollars in infrastructure costs. ⏱ General availability UTC: 7am-9pm, ET: 2am-4pm, PST: 5am-1pm. My expertise: site reliability engineering, high-traffic installations for WordPress, Magento and custom apps, and identifying performance bottlenecks in them. Server speed and load optimization, complex site, email, and domain migrations. Multiple-server architecture designs. Applications containerization and deployment for ECS and Kubernetes. Setting up an automated app, server deployment and testing with GitLab and GitHub CI/CD. Platforms: AWS, Google Cloud, DigitalOcean, Linode, Vultr and others Automatic infrastructure deployment and server provisioning with Terraform and Ansible Kubernetes deployments on AWS/GKE/DigitalOcean SSL / Letsencrypt / PCI DSS Compliance Dovecot / Postfix / Rspamd / SPF / DKIM / Email deliverability Apache / Nginx / Traefik / HAProxy / HTTP2 / PHP-FPM CloudFlare - advanced caching, WAF, workers and other features MySQL / MariaDB / Percona - performance analysis, configuration, complex migrations CPanel / WHM / Plesk / Froxlor Zabbix server monitoring. NewRelic, Blackfire code performance profiling GitLab, GitHub, BitBucket CI/CD pipelines VPN - WireGuard, StrongSwan, OpenVPN Earlier in my career I have been specializing in data recovery for eleven years, working with a wide range of workstations, servers and storage arrays. During this time, I have developed multiple data recovery tools for Windows in C# and for Linux in C and Python and reverse-engineered various software and hardware components.
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    Cloudflare
    Terraform
    New Relic
    DevOps
    SSL
    Cloud Implementation
    Data Recovery
    Linux System Administration
    GitLab
    Virtual Private Server
    Database Administration
    Cloud Migration
    Amazon Web Services
    Google Cloud Platform
  • $20 hourly
    I am a full stack developer with over 10 years of experience. I am highly proficient in developing client-server and Web-based database applications. 📌 TECHNICAL PROFICIENCY INCLUDES: Hands on experience in IT industry, I have pretty good hands on experience with ✔️ Environment: Microsoft Visual Studio, SQL Server Management Studio ✔️ Databases: MS SQL Server, MySQL, MongoDB and SQL Azure ✔️ Programming: C#, VB.Net and ASP.Net MVC (Razor), MVVM ✔️ ORM Tools: LINQ / Entity Framework and nHibernate ✔️ Web Skills: HTML5, CSS3, Bootstrap, JavaScript, AJAX, jQuery, jQuery UI, Kendo UI, KnockoutJS, NodeJS, AngularJS, Angular 11/10/9 Angular Material, TypeScript ✔️ Payment Gateways - Authorize.Net, Braintree, p aypal, Stripe ✔️ APIs: WCF RESTful/JSON/XML and SOAP services, Social Media, Google Maps and Payment Gateways, QuickBooks, Twilio, XERO, MYOB ✔️ Reporting: SSRS, Crystal Reports, ASP.Net RDLC Reports, Telerik and DevExpress ✔️ Cloud Based Services: Amazon Cloud services and Windows Azure ✔️ Configuration: IIS 3, IIS 7, IIS 8 and Windows Azure
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    Blazor
    ASP.NET
    ASP.NET Web API
    Angular 10
    MVC Framework
    CRM Software
    ERP Software
    NHibernate
    .NET Core
    Microsoft SQL Server Compact
    JavaScript
    React
    Vue.js
    Entity Framework
  • $12 hourly
    Hello and welcome to my Profile! I'm Marilena, a passionate Front End Developer with a background in IT support. Skilled in HTML, CSS, JavaScript, and popular front-end frameworks, I specialize in creating visually appealing and user-friendly websites. My attention to detail, love for design, and ability to work effectively in remote teams make me a valuable asset for web development projects. With a strong dedication to delivering high-quality results, I am eager to collaborate on exciting projects and contribute to the success of your team.
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    Data Entry
    Database
    TeamViewer
    Adobe Lightroom
    Windows Administration
    Prezi
    Video Editing
    Software Testing
    Graphic Design
    Web Development
  • $18 hourly
    "Empowering your business through cutting-edge tech solutions." 🙌 Target Audience + Business Goals + Desired Outcome = "Great Success"📈 ✅ Rewarded as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 🏆 by Upwork Platform ✅ Complex jobs completed successfully ✅ 90% of Clients Recommends me to work on long term basis. ✅ 100% Job Success CRO ✅ Proficient English ✅ 80% Long-Term Repetitive Clients ✅ 5+ Years Of Experience ✅ High-Quality Workflow ✅ Cost-Effective Solutions "Transform your project into a thriving reality with the power of exceptional quality and tailored service. No matter if you're a bold startup, a thriving enterprise, or seeking to expand your brand. I offer a unique blend of professional expertise, affordability, and unmatched satisfaction. Let's join together on this journey to bring your vision to life. MY RECENT UPWORK CLIENTS SHARING THEIR EXPERIENCE WORKING WITH ME: ★★★★★ 5.00 Awesome job. Very satisfied with this agency. Detailed, they have great ideas and think out of the box. Not only what we say they should do, but they have own ideas and suggestions. I am very happy with the work!" ★★★★★ 5.00 "We were looking for a mobile App design & development to integrate our existing backend and found MultiQoS for this job. It was a great experience working with MultiQoS Technologies Pvt. Ltd. They are a Trustworthy, knowledgeable, dependable, and experienced team. Definitely, we are working with him on more projects and looking forward to more collaborations with them. Highly recommended!" "Testimonials from satisfied clients speak volumes about my commitment to delivering great results." ⭐️My Core Technologies Expertise: ◉ WEB - Asp.Net, .Net Core, C3, MVC, Entity Framework, CodeIgniter, Laravel, PHP ◉ MEAN - ExpressJS, Angular, Node.JS, MongoDB ◉ CMS - Custom CMS, WordPress ◉ Mobile Responsive Web Design – HTML5, jQuery Mobile, CSS3, Bootstrap, Sass ◉ Databases - MS SQL Server, MySQL ◉ Mobile App Development – iPhone, iPad, Android, Cross-Platform ◉ (Xamarin, React Native, Ionic, Flutter) ◉ Version controls: Github, Bitbucket ◉ Project Management Tools: JIRA, Trello, Asana, Slack ◉ Payment API: Authorize.NET, Google Checkout, PayPal, Stripe, Braintree Etc.. ◉ Social Media API: Facebook, Twitter, Instagram, Pinterest, etc.. ◉ 3rd Party API: Twilio, Plivo, QuickBooks, Xero, etc.. ⭐️ Domain Expertise: ✔Website Development ✔Website Design ✔Mobile Application Design ✔Mobile Application Development ✔CRM Specialist ✔ERP Software development ✔Marketplace expert ✔Buyer/Seller Applications experts ✔eCommerce expert ✔Real estate applications ✔Shipping and Logistics Industry applications ✔Education experts ✔Health Application experts ✔Travel Experts ✔Real Estate Web & App development ✔Dating Application experts ✔Sports & Fitness development ✔Entertainment Specialists 🔹 WHY SHOULD YOU HIRE ME? ✔Empower your business with a partner who understands the value of excellence. ✔With a proven track record of collaborating with top brands to deliver exceptional digital solutions. ✔Dedicated to ensuring the highest quality in every project I undertake. ✔Communication is the cornerstone of success, and I make it a priority to understand your unique needs and goals. ✔Able to craft tailored solutions that drive your business forward. (You seem to be in the right place :) Solid track record for: 🎯Right Approach 🎯Competitive pricing 🎯Good communication and patience 🎯Very reliable 🎯Fast replies 🎯High availability and reachability 🎯Delivering on deadline 💡 Pro tip: 💬 𝗙𝗥𝗘𝗘 𝗖𝗢𝗡𝗦𝗨𝗟𝗧𝗔𝗧𝗜𝗢𝗡: "Unleash the boundless potential of your project and embark on a journey towards success with a complimentary consultation. Let's schedule an introductory call and discover the limitless possibilities of working together. While if the collaboration may not be in the cards, the insights and ideas gained from our conversation will undoubtedly provide a boost to your project. Thus time is indeed a precious commodity, and I am honored to offer you this consultation at no cost. Let's work together to make your dreams a reality and great success. Speak to you soon. Prashant PS: Simply click the 'Reply' button and let's embark on a collaboration that will push boundaries and reach new heights."
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    NodeJS Framework
    Golang
    Custom PHP
    WordPress Development
    User Experience Design
    User Interface Design
    Laravel
    Mobile App Development
    AngularJS
    React
    React Native
    iOS Development
    Android App Development
    Flutter
  • $40 hourly
    My strongest powers are my tech stack and comprehensive experience. I’ve already done tens of development projects, and I'm not going to stop. Check some of my professionalism guarantees: • 10000+ hours worked on Upwork • 70+ successfully executed projects • Excellent troubleshooting skills • Exceptional Top Rated Plus engineer + • 48 satisfied customers
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    Python
    Flutter
    Swift
    Front-End Development
    Back-End Development
    Mobile App Development
    React Native
    Full-Stack Development
    NestJS
    Nuxt.js
    Node.js
    ExpressJS
    TypeScript
    JavaScript
    React
  • $30 hourly
    I am Software Developer and member of FlexSolution company for the last 5 years. Mostly, I convert PSD designs into HTML/CSS, can implement pixel-perfect layouts, w3c valid code and adaptive layouts for different sizes of screens, devices, browsers and OS. As well I work a lot with Javascript and all popular frameworks such as React/Redux, Angular, etc.
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    React Native
    Android
    WebRTC
    Alfresco Content Services
    iOS
    PSD to HTML
    React
    Node.js
    Vaadin
    Apache FreeMarker
    CSS
    HTML
    Bootstrap
    SaaS
    webpack
  • $30 hourly
    🌟 **Upwork's Premier Full Stack Developer | Expert in Mobile and Web Solutions | Over a Decade of Excellence** Welcome to my profile! I'm a seasoned full-stack developer, dedicated to delivering top-notch mobile and web applications. With over a decade of experience, I offer a unique blend of technical expertise and non-technical skills that can elevate your project. **Why Choose Me?** 1. **Clear Communication:** Seamless communication is my priority. Let's collaborate effectively to bring your ideas to life. 2. **Deadline Assurance:** Your time matters. I commit to delivering high-quality results within agreed-upon deadlines. 3. **Leadership & Team Synergy:** Having led complete product lifecycles, I bring leadership and teamwork to ensure project success. 4. **Startup Partnership:** Thriving in startup environments, I'm ready to add maximum value to your innovative product. **Technical Expertise:** 📱 **Mobile App Development:** - Flutter specialist for cross-platform mobile apps, integrating seamlessly with Firebase, FireStore, CloudStore, and Flutter Flow. - Crafting APIs, dashboards, and backend websites with precision. 💻 **Web App Development:** - Expertise in Frontend (React.js, Next.js, Vue.js, Nuxt.js) and Backend (Node.js, Nest.js). - Certified in Flutter, React, and Node JS, ensuring a well-rounded skill set. 🔧 **Tech Stack Highlights:** - Languages: JavaScript, TypeScript, HTML, CSS, PHP. - Frameworks: Laravel, Symfony. - Databases: MySQL, MongoDB, GraphQL, PostgreSQL. 🌐 **Versatility in Projects:** - My portfolio showcases a diverse range of projects across industries. Let's discuss how this versatility can benefit your unique project. 🚀 **Ready to Elevate Your Project?** Let's connect and explore how I can turn your vision into a tech masterpiece. Whether it's refining your mobile app, enhancing your web presence, or creating something entirely new, I'm here to make it happen. 💬 **Have Questions?** I'm just a message away. Drop me a line, and let's start a conversation about your project goals and challenges. ⏰ **Ready to Get Started?** Time is of the essence. Send me an invitation, and let's schedule a meeting to discuss your project in detail. Your journey to a superior development experience starts now. Thank you for considering my profile—I look forward to the possibility of collaborating with you. Thank you Ali Keywords Below: Full Stack Developer Mobile App Development Web App Development Flutter Developer React.js Developer Node.js Developer MERN Stack Developer Cross-Platform Mobile App Firebase Integration API Development Frontend Development Backend Development Web Development Specialist Laravel Expert Symfony Developer MySQL Database MongoDB Specialist GraphQL Upwork Top Rated Plus Agile Project Management Certified Flutter Developer Next.js Developer Vue.js Developer DApp Development AWS Services Git Version Control Jira Project Management Trello Collaboration Asana Project Management Tech Stack Expert
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    Google Cloud Platform
    Flutter Stack
    Mobile App
    NodeJS Framework
    Mobile Development Framework
    Vue.js
    Laravel
    Mobile App Development
    Flutter
    Node.js
    Firebase
    iOS Development
    React
    Android App Development
    Dart
  • $25 hourly
    ⭐️I'm experienced Full-Stack Developer with 10+ Years in Global Software Industry, specializing in delivering scalable applications and complex websites that align with clients' project objectives. ⭐️Tech Stack: ➤MEAN/MERN stack development: MongoDB, Express.js, Angular.js or React.js, and Node.js. ➤Backend Development: PHP (v5.6, v7.0, v7.2, v7.3+), Laravel (v5.3 - v6.0+), CodeIgniter (v2.1.4 - v3.1.11), Yii (v2.0, v3.0), Zend Framework (v3.x), Java, Springboot, Ktor. ➤Frontend Design: HTML5, CSS3, Bootstrap (3,4), JavaScript, jQuery, AJAX, JSON, XML, GIT, SVN, LESS, React, Typescript, Node.js (ES5, ES6, JSX support), VueJs (2.6), Vuex, Vuetify, Vuecli, D3.js. ➤JavaScript Frameworks/Libraries: Vue.js, Next.js, Nuxt.js, MeteorJS, Mithril, Jam JS, Gatsby.js, Hapi.js. vDatabases: MySQL, DynamoDB, MongoDB, PostgreSQL, Firebase, SQLite, Firestore, Firebase. ➤AWS Services: Amazon Rekognition, AWS Cognito, AWS Lambda, Amazon Simple Notification Service. ➤UI-UX Design: Adobe CS5/6 (Photoshop, Illustrator, Dreamweaver, InDesign, Fireworks), CorelDraw. ➤Unit Testing: Jasmine, Mocha, Chai, Jest, Enzyme. ➤Other Expertise: Angular 1-8x, Serverless & Microservices architecture, React Hooks, Redux, Redux-Saga, Redux Form, Redux-thunk, React Navigation, Contentful CMS, Firebase, RN call kit, PJSIP, Algolia, ES 6&7, TypeScript, NativeScript, Google services, Material UI-React, React Bootstrap, GraphQL 📌 API INTEGRATION: - Google Map API, GPS, Geo Location - RESTful APIs and Web Services, Inbuilt ORM'S, redbeans etc. - Payment Gateway - Stripe, Braintree, PaypalGateway etc. - Social Media Integration(Facebook, Twitter, Instagram, Youtube, Google+, LinkedIn, Email, Pintrest, SMS(Twilio/mandrill) etc. - Third Party API Integration - Sendgrid, Twilio. - Conversion tool Integration - Facebook pixel etc. 💡 ADDITIONAL SKILLS: - Familiar with project management & agile frameworks (Scrum, Sprint, Kanban, etc.). - Server deployment expertise (Amazon, DigitalOcean, AWS, Nginx, Docker, GoDaddy, HostGator). - Strong understanding of version control systems (Git, Gitlab, Bitbucket). - Excellent problem-solving and debugging skills. - Ability to work independently and as part of a team. - Strong communication and collaboration skills. ✅ Domain expertise: - MVP development - SaaS, E-commerce, and marketplace solutions - Healthcare, Recruitment, Fintech, Education, Real Estate - Automation with OpenAI, ChatGPT, Zapier, AI Chatbots Rest assured, your projects will be executed successfully and within stipulated timelines. My services are available for both short and long-term engagements, including ongoing contracts. 🤝 I'm eager to collaborate on your next project! Keywords: Full-Stack Development, Front-End Development, Back-End Development, MEAN development, MERN stack development, , Laravel, NodeJS Framework, PHP, Custom web development, Healthcare, Recruitment, Fintech, Education, Real Estate, Web solution, Web services, Web application, JavaScript, Node.js, React, React Native, Java, CSS 3, HTML 5, PHP, CodeIgniter, Next.js, Angular, Web Development, WordPress, Laravel, Vue.js, Nuxt.js, Tailwind CSS, NestJs, Django, MySQL, API, API Integration, AI, Custom App, NodeJS Framework, .NET Framework, MEAN Stack, OpenAI, ChatGPT, Zapier, AI Chatbots, DevOps, .NET Core, Website Development, CMS Development, Web Design, Landing Page, Blockchain Development, Ruby on Rails, Shopify, TypeScript, CodeIgniter, WordPress Migration, PSD to WordPress, Elementor, WordPress Customisation, Bootstrap, WordPress Theme, MongoDB, MVP development, SaaS, E-commerce, BigCommerce API, Shopify API, Xero API, AWS services and marketplace solutions, AWS Amplify, Java, Script Zapier, CakePHP, AWS Cloud Formation, AWS Lambda, Google Apps Script
    vsuc_fltilesrefresh_TrophyIcon Software Debugging
    Web Application
    API Development
    JavaScript
    ExpressJS
    Vue.js
    React
    MongoDB
    Laravel
    PHP
    Node.js
    Front-End Development
    Back-End Development Framework
    MERN Stack
    MEAN Stack
    Full-Stack Development
  • $25 hourly
    I’m a Drupal Developer with over 12 years’ hand on experience in Web Development. Over the years, I and my WeebPal Company made over 100 Drupal projects done to clients and community for Upwork, WeebPal and some other Development Companies. If you need to work with a Drupal Developer can make your Drupal project DONE completely, ON TIME or can solve HARD TECHNICAL PROBLEMS, please contact me.
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    ServiceNow
    System Administration
    MySQL
    MongoDB
    Drupal
    JavaScript
    jQuery
    CSS 3
    HTML5
  • $200 hourly
    I am an applied PhD (Berkeley EECS) scientist with 10+ year industry experience in solving robotics, signal processing, and embedded system problems. I have over 20 years experience working with electronics and embedded systems. I have built entire robotics systems from the ground up (e.g. a car-carrying AGV) as well as led software component development as part of a larger effort (e.g. developed next-gen Fitbit heart rate algorithm). Achieving a certain product or customer outcome requires a high-level systematic viewpoint- I can help break-down this outcome into achievable and straight-forward sub-goals. From there, whether the solution calls for a data-crunching python script or bare-metal C coding, I can bring whatever tools are needed and use them with mastery. We are now bringing world-class talent together to push technological progress at Think Circuits LLC, where I am CEO. Here are some problems I can solve for you: * New algorithm development- Set requirements, design, implement and validate. * Improving legacy algorithms - Determine weaknesses of an existing algorithm, determine high-value improvements, implement and regression testing to track gains. * Embedded circuits design - Design and fabricate special purpose electronics such as sensor data loggers or controllers. * Research- Pursue a research direction such as applying a research paper to a given problem, report on feasibility What skills are in my "wheelhouse" of tools? * Robotic localization and mapping (SLAM) : Graph-based and filter-based * Classic Estimation and control: Kalman filtering, full-state controllers/estimators, PID control * Signal processing : Frequency and time domain analysis, PCA, adaptive filtering and regression * Classic machine learning : SVM, Random forest, polynomial regression * Regression testing scripts and statistical analysis of performance * Fluent in C,C++, Python * Experience with Javascript, Typescript, Linux * Embedded circuit design What will working with me be like? For development or research work, I will first try to understand the problem you are trying to solve and determine whether it is within my area of expertise. If I am able to help, I will propose some directions or options. If possible, we can identify the interfaces which separate my work from the rest of the project and come up with requirements definitions on those interfaces. Then, I can be fairly self-sufficient to implement the outcome. Other times, the desired outcome is less clear and so a more "agile" approach can be taken with greater back-and-forth between us.
    vsuc_fltilesrefresh_TrophyIcon Software Debugging
    Sensor
    Firmware
    C
    Regression Testing
    Software Architecture & Design
    Robotics
    Algorithm Development
    Computer Science
    Digital Signal Processing
    Test Results & Analysis
    Software Consultation
    Circuit Design
    Machine Learning
    C++
    Python
  • $98 hourly
    Looking for challenging new projects which can effectively use my talents and creativity, to generate cost effective software solutions. I'm a world class C programmer (primarily on Unix/Linux) and I'm used to making "impossible" tasks "possible". I have a great deal of expertise in: * real time embedded systems * cross compilation/software construction * source control * network programming * system administration * kernel level programming/device drivers * image processing * performance and metrics
    vsuc_fltilesrefresh_TrophyIcon Software Debugging
    Image Processing
    C
    Apache Subversion
    Agile Software Development
    Embedded Linux
    Linux System Administration
    Driver Development
    FreeBSD
    Git
    Assembly Language
    TCP/IP
    Version Control
    Object-Oriented Design
    Unix System Administration
    DHCP
  • $25 hourly
    Having 9+ years of hands-on experience in full stack development with so many currently successful solutions/platforms. Demonstrable expertise includes: business management software, Marketplace platforms, booking related solutions, Ecommerce, Custom and third party API, social media applications and so on... Technologies I have expertise include: Various Php frameworks, React, Redux, Angular, Node, Java for Android, Objective C, Mysql, Firebase, Mongo db and related ones.
    vsuc_fltilesrefresh_TrophyIcon Software Debugging
    Software Development
    API
    Software Architecture & Design
    Mobile App Development
    Web Design
    Database Design
    Database Architecture
    ASP.NET
    WordPress
    AngularJS
    PHP
    Node.js
    HTML5
    React
  • $40 hourly
    I love helping businesses create great software. With over 12 years of experience, I'm a pro at using MEAN and MERN stacks to build awesome websites. Here's what I specialize in: For MEAN Stack: MongoDB Express.js Angular Node.js For MERN Stack: MongoDB Express.js React Node.js Using MEAN and MERN, I make websites that are easy to use and work smoothly. I'm here to build strong relationships with my clients and make sure they get top-notch work. If you want to work together or see what I've done before, just let me know! Best, Fahad A.
    vsuc_fltilesrefresh_TrophyIcon Software Debugging
    Deep Learning
    Machine Learning
    Artificial Intelligence
    Python
    MERN Stack
    RESTful API
    Laravel
    Bootstrap
    CSS
    HTML
    PostgreSQL
    Ruby on Rails
    JavaScript
    React
    AngularJS
  • $40 hourly
    I am a highly proficient .Net developer with 10+ years of experience in Desktop, Web, and Mobile application development. Microsoft Technology Stack: ASP.Net core, C#, .Net MVC 2/3/4/5/6/7, Electron with angular for desktop app development, Visual Studio, XML, WCF, WPF, MVVM, WWF, RIA Services, Silverlight, Dot Net Nuke, SOAP Services, RESTFUL APIs, Cross-Domain API, Share Point, Window Form applications Crystal Reports, SQL Server Reporting Services, Microsoft Azure, SQL Azure, Web/Worker Roles. Mobile development: Xamarin, Ionic, iOS, and Android Applications. Database: Microsoft SQL Server 2012/14, MySQL, Mongo DB, BigData, Oracle, IBM DB2, MS-Access, Data Migration from Open Source databases, NoSQL. Cloud Platform: Windows Azure, SQL Azure, Amazon S3 and EC2, Rackspace, 3Essentials. Scripting: JavaScript, JQuery, KendoUI Telerik, Knockout.js, Angular.js, Node.js, Sammy.js, Bundling, Backbone.js, Custom JQuery Plugins. With a special focus on US Healthcare Industry, I do provide solutions in Healthcare IT domains like: -- Electronic Medical Record (EMR) Development, -- Electronic Health Record (EHR) System Development, -- Billing System, DICOM Viewer, -- Healthcare Interoperability, -- HIPAA Consultancy, -- Meaningful use (MU) 1,2 Certification and MU3 implementation -- HL7 Messaging, -- CCDA, -- Tele-Health, and many others. I would be glad to hear from you. Let me know how can I help you to increase your ROI or successful accomplishment of your application/Website. Thanks
    vsuc_fltilesrefresh_TrophyIcon Software Debugging
    React
    .NET Core
    NoSQL Database
    Angular 6
    Apache Hive
    Angular Material
    ASP.NET Core
    Database Design
    C#
    SQL
    .NET Framework
    Apache Spark
  • $45 hourly
    Experienced Associate Product Manager with over 10 years of experience in IT Industry. Excellent reputation for resolving problems, improving customer satisfaction, and driving overall operational improvements. Consistently saved costs while increasing profits.
    vsuc_fltilesrefresh_TrophyIcon Software Debugging
    Windows App Development
    Android
    Distributed Computing
    Solution Architecture
    Scrum
    Product Management
    Angular
    ASP.NET Web API
    React
    Microsoft SQL Server
    ASP.NET MVC
    .NET Framework
    C#
  • $15 hourly
    Sr. Full Stack Web Developer proficient in ColdFusion, PHP, Python, Node.Js, .NET and Ruby. If your business depends on WEB technology and it needs to run FLAWLESSLY 24/7 then please CONTACT ME :) I've gained extensive experience with various ColdFusion, PHP, Python, and Ruby frameworks and content management systems (CMS). Here's a breakdown of my skill set: SKILL SET: ========= ColdFusion Frameworks ( ColdBox, CF Wheels, FW/1, Mach-II, ModelGlue, FuseBox ) ColdFusion CMS ( MURA, FarCry, Savvy ) ----- PHP Frameworks ( Laravel, Symfony, FuelPHP, CodeIgniter, Zend, Yii, CakePHP ) PHP CMS ( Wordpress, Joomla, Drupal, PrestaShop ) PHP eCommerce Solutions ( Magento, Shopify, OpenCart, XCart, osCommerce, Zen Cart ) ----- Python Frameworks ( Django, Flask, CherryPy, Bottle ) ----- Ruby ( Ruby on Rails - RoR ) ----- Javascript Backend ( Node Js, Express Js ) Javascript Frameworks ( React Js, Vue Js, Angular Js, Ext Js, Ember Js, Meteor Js ) ----- Mobile App Native Development ( iOS & Android ) Mobile App Hybrid Development ( Flutter, IONIC, PhoneGap, Titanium, Mobile Angular UI, Sencha, Kendo UI ) ----- CSS Frameworks ( Tailwind CSS, Bootstrap, Foundation, Bulma, UIkit, Semantic UI, Skeleton ) ----- Databases ( Sql Server, MySQL, PostgreSQL, Oracle, MongoDB, Redis, SQLite, MariaDB ) ----- You can see my work history, all of the employers are very *HAPPY* with my performance. I maintained really good REPUTE by providing QUALITY work on TIME.
    vsuc_fltilesrefresh_TrophyIcon Software Debugging
    Angular
    Vue.js
    React
    Flutter
    Android
    iOS
    Flask
    Django
    Laravel
    Node.js
    Ruby on Rails
    Python
    PHP
    Adobe ColdFusion
  • $20 hourly
    A Top Rated 🏅Full Stack Developer with strong knowledge of the software development lifecycle and experience in developing Top notch applications using MERN | PERN Stack | React Native | OpenAI is looking for expanding Full Stack development services to develop impactful software products. ✅ 6+ years of Full Stack development experience ✅ Cost-Efficient Services ✅ High-Quality Work ✅ Fluent in English ✅ Excellent in Communication ✅ Long-term working relationship Regarding the technology stack, I have good hands-on JavaScript, TypeScript, WordPress, and OpenAI technologies that include: ● Frontend: React.Js | Next.Js | Redux | Tailwind | Bootstrap | CSS | HTML ● Backend: Node.Js | Express.Js | Nest.Js for Backend development ● CMS: WordPress | Strapi | Shopify | Wix | Bubble ● Database: MySQL Sequelize | PostgreSQL | MongoDB | Firebase for Database development ● Mobile Dev: React Native using CLI & Expo for Mobile development ● OpenAI: GPT3|GPT3.5, GPT4 | PrivateGPT ● ML & AI: Python Scikit-learn | Keras | Chatterbot | Pandas | NumPy | DialogFlow ● API: Restful API, GraphQL, Web Socket ● 3rd Parties: Jitsi | Agora | BigBlueButton | Twilio | Stripe | PayPal | SendGrid | MailChimp | Google Maps ● Cloud: AWS (EC2, SES, SNS, S3, Lambda) | Digital Ocean | Google Cloud ● DevOps: CI/CD, Docker, Kubernetes ● Unit Testing: JEST and ESlint for Unit Testing ● Version Control Management: Git, Bitbucket, Jira The advanced skills include hands-on experience with: 💥 Jitsi and Agora for Web RTC solutions 💥 BigBlueButton for Realtime Communication (Chat, Audio, Video, File sharing) 💥 FFmpeg for video editing 💥 Chatbot development using ML&AI solutions 💥 Data Encryption libraries for securing data within the Database 💥 Technical writing (Expert) My intention is to invest my technical knowledge and experience in providing quality services for the sake of keen long-term interaction with my clients and to contribute something of value to this digital world. Client satisfaction and quality software development remain the top priorities.
    vsuc_fltilesrefresh_TrophyIcon Software Debugging
    FFmpeg
    Stripe SDK
    Puppeteer
    AWS Development
    Gemini
    GPT-4 API
    Hybrid App Development
    React Native
    MongoDB
    Sequelize
    NestJS
    Node.js
    Next.js
    React
    MERN Stack
  • $45 hourly
    Since my graduation in 2018, I've engaged myself in the world of software development using MERN stack starting with crafting web applications, mobile apps, and CRM solutions. As I progressed in my career, I got the opportunity to work with .NET, where I contributed to the development of ERPs for Fortune 500 companies. This journey has equipped me with a diverse skill set, enabling me to manage diverse projects across multiple platforms and domains. My Expertise are: Node.js Express MongoDB React.js React Native Vue.js Nuxt.js Next.js Nest.js .NET Core Entity Framework Core Entity Framework .NET MVC .NET Identity Framework C# Logging (Serilog) C# ADO .NET SQL IIS Deployment C# Object-oriented programming 3rd Party Integrations with .NET Core In addition to my freelancer experience, I've also embraced opportunities to work as a full-time employee with esteemed clients, contributing to the development of innovative products and solutions. My journey as a freelancer reflects my drive for excellence, driven by a love for tech and dedication to happy clients. With a solid record of great work and a knack for new ideas, I'm ready to take on future challenges and push tech boundaries. Regards, Malik,
    vsuc_fltilesrefresh_TrophyIcon Software Debugging
    API Integration
    AWS Development
    SQL
    ASP.NET MVC
    Entity Framework
    .NET Core
    Vue.js
    JavaScript
    NestJS
    Next.js
    Node.js
    React Native
    React
    ExpressJS
    MongoDB
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