Hire the best MySQL Developers in Illinois

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$80 hourly
Joseph L.
- 5.0/5
- (27 jobs)
Hello! I am a multifaceted professional in the realm of quantitative development, algorithmic trading, and data engineering, based in Chicago. I hold a Master's degree in Financial Engineering from the University of Illinois and have honed my skills across various technical domains including Python, R, SQL, Java, and Linux OS. I excel in setting up and managing complex data workflows, particularly in Linux environments, and I'm adept at creating efficient ETL pipelines that facilitate seamless data integration and transformation. Here’s what I bring to the table: • Quantitative Development & Algorithmic Trading: Designing and implementing advanced trading algorithms that improve decision-making and market performance. • Data Engineering: Architecting and managing ETL pipelines, ensuring data accuracy and availability for real-time analytics. • Linux OS Expertise: Optimizing operating systems for high-performance computing and secure data operations. • Machine Learning & Financial Modeling: Utilizing statistical models to predict market trends and enhance trading strategies. As a top-performing freelancer on UpWork, recognized within the top 3% and awarded the "Top-Rated Plus" badge, I am committed to delivering exceptional value and precision in every project. Whether you need expert advice on setting up your trading systems, managing your data infrastructure, or developing predictive models, I am ready to help you achieve your objectives with cutting-edge solutions. Check out my work on Github: Github.com/chicago-joe

MySQL Administration
Trading Automation
ETL Pipeline
API
MySQL
Quantitative Analysis
Data Modeling
Quantitative Finance
Data Science
Data Visualization
R
Machine Learning
Python
Data Analysis
$75 hourly
Eli B.
- 4.9/5
- (21 jobs)
👋 Hi, my name is Eli. 👨‍💻 Whether you are starting from scratch or need improvements to an existing system, I can take care of your web development needs. Have frequently worked with the following tech ◽ React, Next.JS, Svelte, Vue, Astro, Solid ◽ Node.js, Nest.js, Express.js ◽ AWS / Vercel / Netlify / Google Cloud Platform / Supabase / Planetscale / MongoDB ✔️ Offering competitive rates ✔️ 6+ years of experience in the field. ✔️ 📱 Modern, responsive web development ✔️ 💬 English ✔️ 🇺🇸 U.S. based company. Examples of Services ◽ AI Chatbots & Integrations ◽ High performance landing pages for an existing app / service. ◽ SEO optimizations and contact forms. ◽ Dashboards with server (backend) solution for managing data from a database. ◽ Login systems ◽ Event booking / scheduling systems ◽ Integrations with other platforms & API's. I would appreciate the opportunity to help you with your project. Don't hesitate to send me a message or schedule a meeting to discuss! 🔔

MySQL Administration
AI Development
AI Chatbot
Tailwind UI
Supabase
CSS
HTML
JavaScript
Firebase
MySQL
TypeScript
Tailwind CSS
React
PostgreSQL
Next.js
$35 hourly
Tayyaba I.
- 5.0/5
- (5 jobs)
100% Job Success | 5 Star Rated Hey there! My journey as a full stack developer started with a simple love for building things whether it was small web apps or complex AI powered solutions. Over the years, I’ve worked with startups, businesses, and entrepreneurs, helping them turn their ideas into fast, scalable, and reliable products. And honestly? I love every bit of it. With a 100% Job Success Score and a streak of 5 star ratings, I focus on keeping the entire process smooth, stress free, and results driven. My goal? To help businesses scale using smart, efficient technology while enjoying the flexibility that freelancing brings. I love working with passionate founders and innovative teams who are ready to push boundaries. If you're looking for a reliable developer who genuinely cares about your project, let’s chat!

MySQL Administration
GPT-3
OpenAI API
Firebase
Amazon Web Services
Web Application
ExpressJS
Next.js
TypeScript
MySQL
MongoDB
API Development
Web Development
React
Node.js
JavaScript
$55 hourly
Dmytro R.
- 4.2/5
- (2 jobs)
𝗪𝗘𝗟𝗖𝗢𝗠𝗘🙌 I'm a software engineer with more than 𝟖+ years of experience in Python. I have a proven track record of delivering scalable solutions using Django, Flask, and FastAPI frameworks. ⬇️Let's discuss how I can assist you with your project⬇️ 𝗠𝗬 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 𝗣𝗥𝗢𝗖𝗘𝗦𝗦 🔹𝙍𝙚𝙦𝙪𝙞𝙧𝙚𝙢𝙚𝙣𝙩 𝘼𝙣𝙖𝙡𝙮𝙨𝙞𝙨. I thoroughly analyze the technical assignment or task, seeking clarification for any ambiguous aspects. For larger assignments, I break them down into tasks and further into subtasks. 🔹𝙎𝙤𝙡𝙪𝙩𝙞𝙤𝙣 𝘿𝙚𝙨𝙞𝙜𝙣. I devise an implementation plan, creating a new git repository or cloning an existing one. Each task has its own branch. If time allows or if the task requires it, I write tests. 🔹𝙄𝙢𝙥𝙡𝙚𝙢𝙚𝙣𝙩𝙖𝙩𝙞𝙤𝙣. I start by developing a minimum viable prototype and then proceed with refactoring. I ensure that the code meets the specified requirements, such as speed or database query optimization. If needed, I perform additional refactoring. Once complete, I run the tests and either merge the changes to the main branch or create a pull request if I lack repository admin privileges. 🔹𝙏𝙚𝙨𝙩𝙞𝙣𝙜. Depending on the pipeline in use, the changes are typically transferred from the development branch to the test branch, where QA engineers evaluate them. If everything is satisfactory, I create a controlled backup of the production environment and introduce the new version. ✅ 𝗪𝗛𝗬 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘? ✔ Extensive experience developing scalable web applications across diverse industries. ✔ Expertise in Python, Django, and Databases. ✔ In-depth understanding of industry-specific challenges and solutions. ✔ Proven ability to tackle complex technical problems effectively. ✔ Proficient in utilizing AWS, Google Cloud, and Microsoft Azure cloud-based services. ✔ Committed to delivering exceptional results and ensuring client satisfaction. ✔ Strong advocate for open and transparent communication. ✔ Efficient project management skills, ensuring timely delivery. ✔ Reliable and skilled partner dedicated to bringing your vision to life. 🛠 𝗦𝗞𝗜𝗟𝗟𝗦 🔸𝗖𝗼𝗿𝗲. Python, Django, Flask 🔸𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀. MySQL, PostgreSQL, SQLAlchemy, pyodbc 🔸𝗡𝗼-𝗦𝗤𝗟. MongoDB, Redis, ElasticSearch 🔸𝗖𝗹𝗼𝘂𝗱. AWS EC2, S3, SES, Route 53 🔸𝗔𝗣𝗜. REST API, Django REST Framework, FastAPI ▶️Click the Invite button on my profile to get started on your project right away!

MySQL Administration
MariaDB
PostgreSQL
MySQL
SQL
Database Design
Django
RESTful API
API Development
FastAPI
Flask
Python
$24 hourly
Zachary J.
- 5.0/5
- (49 jobs)
I am primarily a .NET/C# developer with a preference for working on backend systems, but have zero reservations working on the frontend. Most recently I've been diving deeper into AWS services, Azure, and making decryption software. I've worked on a wide variety of projects, including: ✔ All flavors of .NET Framework / .NET Core ✔ Custom licensing software & C# app to demonstrate the API ✔ User membership system for a gym ✔ Performance tuning of websites ✔ Database development ✔ Responsive web development ✔ LIVE migration of a high traffic website that needed minimal downtime ✔ Ginormous desktop applications ✔ & More Over the course of my career, I have consistently been considered a thought leader. Someone who brings the larger picture to the conversation while keeping the details relevant. Being able to identify seams in software to remove technical debt and introduce more relevant technologies, patterns, and frameworks. More importantly, I have openly shared my knowledge with those around me and learned just as much by listening to others. I believe the following quotes from past clients best sums up the experience of working with me: "Excellent professional. Didn't stop until job was done. All job was complete, very fast time. He was faster compiling code than we were at testing it. Will hire in the future for sure." "Great experience, he was able to quickly setup our forum perfectly and install many addons, and even helped fix some errors we had on our main site. Very much appreciate his work and would hire a again." "Zach communicates clearly and concisely, he completed this job very quickly without issue, looking at his CV, this was a piece of cake to a highly experienced and competent engineer. Thanks Zach." "The best. I had an emergency repair need for my website, one day before leaving for a conference. Zachary fixed it in under an hour, and fixed it perfectly. The issue was a SSL problem that had locked me out of my Wordpress dashboard, and a couple of redirect issues. Super fast, responsive, and got the job done immediately. I couldn't be happier! Highly recommend."

MySQL Administration
.NET Core
Virtual Private Server
ASP.NET
Reverse Engineering
Network Administration
NGINX
Database
Linux
.NET Framework
DigitalOcean
Linux System Administration
C#
PHP
MySQL
$50 hourly
Dmytro K.
- 5.0/5
- (50 jobs)
✅ Reliable ✅ Experienced ✅ Smart ✅ 6000+ Hours ✅50+ Completed Projects 🔷 Turning Ideas into Scalable Software I work with business owners and entrepreneurs to turn ideas into reliable, scalable software. From the first sketch to full deployment, I take care of the entire development process — so you can stay focused on your business, knowing the tech side is in expert hands. With over 20 years in software development, I build systems that are not only functional — but built to last. 🛠️ How I Can Help Your Project Succeed 💼 Custom Web Application Development From concept to production — I create tailored web solutions designed around your goals. 🎨 Frontend Development Crafting clean, responsive, user-friendly interfaces with HTML, CSS, and JavaScript frameworks like Vue and React. 🧠 Backend Development Developing robust business logic, API layers, and integrations using Node.js, Laravel, and other modern tools. 🔗 API Design (REST & GraphQL) Designing flexible APIs for smooth communication between your app, services, and users. 🗄️ Database Architecture & Optimization Designing and managing fast, scalable databases (MySQL, PostgreSQL, MongoDB, MSSQL) with performance and growth in mind. 🛒 E-commerce Integration Building seamless online stores with smart checkout flows, secure payments, and scalable backend logic. ♻️ Legacy System Modernization Upgrading outdated systems, cleaning technical debt, and migrating data with zero downtime. 🔐 Web Application Security Implementing proactive security layers, monitoring threats, and ensuring compliance with best practices. ⚙️ CI/CD & Automation Automating builds, tests, and deployments with Docker, GitLab CI, Jenkins, and beyond — so your app stays fast, safe, and up to date. 💬 Ready to build something great together? Let’s talk..

MySQL Administration
Lumen Micro Framework
API
Database Design
Firebase
Database Architecture
Web Development
Google Analytics
GraphQL
PHP
JavaScript
Node.js
ExpressJS
Git
Vue.js
MySQL
$45 hourly
Orest P.
- 5.0/5
- (3 jobs)
🏆Future Top-Rated Front end and Wordpress Developer: Websites and Apps to Meet Your Needs 🙌 Hello! I’m a highly skilled Front-End & WordPress Developer with over 8 years of experience crafting dynamic, responsive websites. I specialize in creating interactive, user-friendly layouts with clean, well-structured code that ensures seamless performance across all devices and browsers. My focus on optimization, attention to detail, and delivering pixel-perfect results guarantees that every project not only looks great but also runs smoothly. Let’s build something exceptional together! The projects I work with: ✔️ Landing pages ✔️ WordPress website development ✔️ Corporate website ✔️ Front end projects ✔️ eCommerce website ✔️ В2B projects, B2C projects Technologies I work with: ✔️ HTML(HTML5), CSS(CSS3), SASS/SCSS/LESS ✔️ React.js, JavaScript, jQuery, Bootstrap, Canvas ✔️ PHP ✔️ MySQL, SQL ✔️ WordPress (ACF, Elementor, BricksBuilder, Brizy, Woocommerce, BuddyPress, WP Bakery Builder, Gutenburg, Learndash, Divi) ✔️ API Integration ✔️ Parallax ✔️ Dashboard development ✔️ Motion animations ✔️ Sketch / Figma / Zeplin / PSD / Adobe XD / Adobe Indesign / Adobe Photoshop ✔️ Responsive / Cross Browser / Cross Platform Web Development ✔️ Pixel Perfect ✔️ Custom Websites Development ✔️ Git / BitBucket ✔️ Logo design, product listing design, brand book design, package design With over 8 years of experience, I’ve built a diverse range of websites using HTML5/CSS3, JavaScript, React, PHP, MySQL, and WordPress, serving startups, small businesses, and individuals. I’m passionate about developing clean, professional, and user-friendly websites that are easy to navigate and maintain. Whether you need a custom website built from scratch—from initial design to polished completion—or are looking to update and maintain your current site, I’m here to help bring your vision to life because I work more 40 hours per week

MySQL Administration
MySQL
Parallax Scrolling
WordPress Theme
GitHub
jQuery
Flexbox
JavaScript
Website
PHP
Figma
Web Development
Web Design
WordPress
CSS
HTML
$175 hourly
Christian C.
- 5.0/5
- (4 jobs)
I'm part of Upwork's Expert-Vetted Talent program (top 1% of talent on Upwork). As a seasoned technology and product leader, I specialize in building fast, reliable, and intuitive SaaS solutions that drive user satisfaction and business success. My software design philosophy focuses on crafting products that users love, backed by robust and high-performance systems. I excel in understanding the real-world challenges that users face and leading teams to develop innovative software solutions that address these needs effectively. With a passion for creating exceptional web applications, I prioritize delivering seamless user experiences, writing clean and maintainable code, and automating infrastructure for scalability and efficiency. Whether transforming ideas into production-ready products or assembling and mentoring a high-performing team, I am committed to delivering results that exceed expectations. I have extensive experience in a wide range of programming languages and technologies, including: - Languages: Haskell, Elm, PHP, JavaScript, Node.js, Python, Ruby - Frontend frameworks: React, Stimulus, Turbo, Tailwind CSS - Tools & frameworks: Laravel, Ruby on Rails, Yesod, Servant, CakePHP, WordPress - Databases: PostgreSQL, MySQL, SQLite, Redis - DevOps Tools: Linux, Ansible, Docker, Nix - Cloud Services: AWS (EC2, ECS, ECR, S3, SES, RDS, CloudWatch, Lambda, etc), DigitalOcean, Heroku - Product development tools: Balsamiq, Figma, Miro I run Foxhound Systems, a small Chicago-based agency that focuses on building SaaS software. You can see some of the projects I've led on our agency page (linked below in my profile).

MySQL Administration
Product Management
Product Strategy
Elm
Haskell
Infrastructure Management
Back-End Development
Database Optimization
Front-End Development
PHP
Python
Node.js
Ruby
Amazon Web Services
MySQL
PostgreSQL
$40 hourly
Ali A.
- 5.0/5
- (1 job)
As an innovative and task-driven Full Stack Developer, I bring over 6 years of experience in web app development across various industries. My expertise lies in meeting challenging deadlines in dynamic environments and resolving complex issues with creative solutions. I am proficient in both front-end and back-end development, database design, and adept at writing, testing, and debugging code. My skills extend to building efficient CI/CD pipelines, swiftly troubleshooting issues, and implementing user-driven feature enhancements. My leadership experience involves guiding teams through complex problem-solving, underpinned by strong analytical thinking and a collaborative approach. My technical proficiency includes: 𝗦𝗲𝗿𝘃𝗲𝗿-𝗦𝗶𝗱𝗲: Ruby on Rails, React Native, Node.js, Laravel, NoSQL, PostgreSQL, MySQL 𝗖𝗹𝗶𝗲𝗻𝘁-𝗦𝗶𝗱𝗲: HTML, CSS, Tailwind CSS, SCSS, Bootstrap, Material-UI, React, React-Native, JavaScript, Stimulus, jQuery, TypeScript 𝗗𝗲𝘃𝗢𝗽𝘀: AWS, Docker, Jenkins, Git, Travis CI, CircleCI, Google Cloud Platform (GCP), Heroku, Vercel, and Kubernetes I am committed to delivering high-quality, user-focused solutions and am continually seeking to evolve my skills in line with the latest industry trends.

MySQL Administration
React Native
AWS Application
Front-End Development
SaaS
MongoDB
PostgreSQL
MySQL
SQL
CircleCI
Jenkins
Web Development
React
JavaScript
Ruby on Rails
Ruby
$40 hourly
Kaleem I.
- 4.9/5
- (10 jobs)
I'm a Senior Full-Stack Software Engineer with 8+ years of experience in building optimized, and scalable web applications, and large-scale software using Elixir, Golang, Node.js, React, Angular, Vue, and other web development technologies. My expertise lies in 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗶𝗻𝗴 𝘄𝗲𝗯 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀, transforming businesses, and captivating audiences. I specialize in orchestrating seamless experiences through my expertise in 𝗯𝗼𝘁𝗵 𝗳𝗿𝗼𝗻𝘁-𝗲𝗻𝗱 𝗮𝗻𝗱 𝗯𝗮𝗰𝗸-𝗲𝗻𝗱 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁. My expertise encompasses AI/ML and Data Science projects, delivering robust and scalable solutions for complex applications. 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: I am expert in cutting-edge technologies such as 𝐄𝐥𝐢𝐱𝐢𝐫, 𝐍𝐨𝐝𝐞𝐉𝐒, 𝐉𝐚𝐯𝐚𝐬𝐜𝐫𝐢𝐩𝐭 𝐄𝐒𝟔+, 𝐇𝐓𝐌𝐋𝟓, 𝐂𝐒𝐒, 𝐚𝐧𝐝 𝐑𝐞𝐚𝐜𝐭𝐉𝐒, AI, ML, Data Science 𝐭𝐨 𝐜𝐫𝐚𝐟𝐭 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐰𝐞𝐛 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 tailored to meet 𝒃𝒖𝒔𝒊𝒏𝒆𝒔𝒔 needs and exceed user expectations. I thrive on adapting swiftly to emerging tech landscapes, ensuring I stay at the forefront of innovation, ready to tackle even the most intricate challenges. 𝗙𝗿𝗼𝗻𝘁-𝗘𝗻𝗱 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 ｜ReactJS｜ Vue.js ｜ NodeJS｜ JavaScript ES6+｜ HTML5 & CSS3｜ 𝗕𝗮𝗰𝗸-𝗘𝗻𝗱 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: ｜ Elixir (Erlang)｜ Ruby on Rails ｜ Golang ｜ AWS Lambda & API Gateway ｜ Microservices ｜Architecture 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: ｜ PostgreSQL｜ MongoDB ｜ AWS, GCP, Azure Integration ｜ 𝗔𝗿𝘁𝗶𝗳𝗶𝗰𝗶𝗮𝗹 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝗰𝗲 / 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 ( 𝗔𝗜 / 𝗠𝗟) & 𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲: Python | TensorFlow | PyTorch | Scikit-Learn | Pandas | NumPy 𝗔𝗿𝘁𝗶𝗳𝗶𝗰𝗶𝗮𝗹 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝗰𝗲 / 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 ( 𝗔𝗜 / 𝗠𝗟): Natural Language Processing (NLP) | Computer Vision | Chatbot Development | AI/ML Integration 𝗔𝗜/𝗠𝗟 & 𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀: 𝗣𝗿𝗲𝗱𝗶𝗰𝘁𝗶𝘃𝗲 𝗠𝗼𝗱𝗲𝗹𝗶𝗻𝗴: I have developed predictive models across healthcare and finance domains using various machine learning techniques. 𝗡𝗟𝗣 & 𝗖𝗼𝗺𝗽𝘂𝘁𝗲𝗿 𝗩𝗶𝘀𝗶𝗼𝗻: I've implemented solutions in NLP and computer vision for real-time data processing and analytics. 𝗕𝗶𝗴 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀: My expertise includes working with big data technologies to efficiently handle and analyze large datasets. 𝗔𝗜 𝗖𝗵𝗮𝘁𝗯𝗼𝘁𝘀: I've designed and developed AI chatbots to enhance customer interaction and support. 𝗧𝗵𝗶𝗿𝗱-𝗣𝗮𝗿𝘁𝘆 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: AWS Services (S3, EC2, Lambda) ｜ Google Cloud Platform (GCP) ｜ Azure Integration ｜ Payment Gateways Integration (Stripe, PayPal) ｜ Social Media APIs (Facebook, Twitter, LinkedIn) ｜ CRM ｜Integration (Salesforce, HubSpot) ｜ Email Service Providers (SendGrid, Mailchimp) ｜ Analytics & Monitoring Tools (Google Analytics, New Relic) ｜ Content Delivery Networks (CDNs) ｜ Authentication Services (OAuth, JWT) ｜ Messaging Services (Twilio, Firebase Cloud Messaging) ｜ Version Control Systems (Git, SVN) ｜ Continuous Integration & Deployment (CI/CD) ｜ Docker & Containerization ｜ API Documentation (Swagger, Postman) 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Functional Programming ,Functional Paradigm, Reactive Programming , Immutable Data Structures , AI, ML, Data Science, Big Data, Artificial Intelligence, Machine Learning, Concurrent & Parallel Programming, Distributed Systems , Erlang OTP , Phoenix Framework , Ecto ORM , Pattern Matching & Guards, BEAM Virtual Machine , GenServer & Supervisors , Data Serialization (JSON, XML) , Asynchronous Programming , Error Handling Strategies , Web Sockets & Channels , AI Integration, Machine Learning, NLP, Computer Vision, Data Analytics, High Availability & Fault Tolerance , Type Systems & Type Inference , GoLang Developer, Go Programming , Meta-programming & Macros , AI, ML, Data Science, Big Data, Artificial Intelligence, Machine Learning

MySQL Administration
Phoenix
Tailwind CSS
RESTful API
CSS
MySQL
PostgreSQL
Golang
Elixir
Web Development
NestJS
Node.js
Next.js
JavaScript
TypeScript
React
$45 hourly
Jose Q.
- 5.0/5
- (0 jobs)
Jose Eduardo Quezada Freelance Telecommunication and Software Engineer Freelancer 🌐 Portfolio: jeqsolutions.com/portfolio 📧 Email: eduardoq@jeqsolutions.com 📞 Phone: (630) 401-9125 / 281 644-9809 I offer comprehensive web system development services designed to deliver robust, scalable, and innovative solutions tailored to meet the unique needs of your business. Our approach integrates in-depth analysis, systematic program design, and a structured development cycle to ensure that your web systems are not only functional but also optimized for performance and usability. Process: Analysis: I start by thoroughly analyzing your business requirements, goals, and challenges. Our expert team works closely with you to understand your specific needs, ensuring that we gather all necessary information to create a tailored solution. This phase lays the foundation for a well-defined project plan, ensuring alignment with your vision and objectives. Program and Development Cycle: Development process built on a structured cycle that ensures smooth project execution from start to finish. We follow industry best practices and modern methodologies to design, develop, test, and deploy your web system. Our development team is proficient in both frontend and backend technologies, enabling us to create high-performance, secure, and user-friendly web applications. Testing and Deployment: Rigorously test your web system to ensure it meets the highest standards of quality. Our quality assurance process includes functional testing, performance testing, and security assessments. Once the system is thoroughly tested, we manage the deployment process to ensure a seamless launch. Ongoing Support and Maintenance: Post-deployment, I provide ongoing support and maintenance to keep your web system running smoothly and up to date with evolving technologies. Our goal is to ensure your system remains efficient, secure, and capable of adapting to changing business requirements. Enhanced Control and Communication: For better project management, I provide, at no extra cost, a highly efficient online project manager system. This tool is designed to facilitate seamless communication, ensure real-time updates, and provide transparent tracking of project milestones. It enables you to stay informed about the progress of your project and engage with the team at any stage of development, ensuring that timelines are met and expectations are exceeded. Web system development services focused on delivering high-quality solutions that not only meet but exceed your business needs. Partner with us today to build a future-proof web system that drives success. About Me I’m a passionate and detail-oriented web developer with over 20 years of experience in creating engaging and functional websites. As a freelancer, I’ve had the privilege of working with diverse clients, from startups to established businesses. My goal is to deliver high-quality solutions that not only meet but exceed my clients’ expectations. Skills Front-End Development: Proficient in HTML5, CSS3, and JavaScript. Responsive design and cross-browser compatibility. Familiarity with front-end frameworks like React and Vue.js. Back-End Development: Skilled in PHP, Node.js, and Python. Experience with RESTful APIs and server-side scripting. Database management using MySQL and MongoDB. UI/UX Design and Development: A keen eye for aesthetics and user-friendly interfaces. Wireframing, prototyping, and usability testing. Comply with legislation: accessibility: inclusive approach to comply with the ADA & adhere to WCAG. PCI and HIPPA compliance. SEO Optimization: Implementing on-page SEO best practices. Improving website performance and search engine rankings. PROJECTS: E-Commerce Website and system development for Vividseats Developed a custom e-commerce platform using React and Node.js. Integrated payment gateways and ensured a seamless shopping experience. Improved site speed, resulting in a 20% increase in conversions. Front and Back End Website for Ycharts Designed a visually stunning portfolio site using Vue.js and Firebase. Implemented smooth animations and optimized image loading. Result: Increased client inquiries and bookings. Let’s Collaborate! Whether you need a new website, a redesign, or ongoing maintenance, I’m here to help. Let’s create something remarkable together! Feel free to reach out via email or phone.

MySQL Administration
Linux
PHP Script
MySQL Programming
Software
YUI Library
Microsoft Virtual Server
Google Closure
Oracle Enterprise Service Bus
C++
Java
PHP
MySQL
Agavi
$90 hourly
DJ B.
- 5.0/5
- (4 jobs)
Hello, I am a seasoned full-stack developer with experience as a development manager overseeing a team of 12 engineers at a consulting firm, building custom software in the healthcare industry. As a manager, I have been part of the entire life cycle of many different projects from initial proposal to post-launch support. I am self taught and have been in the industry for 6 years. Previously I spent 10 years in retail management. My experiences means you will be working with someone who is self-motivated, always thinks about things from the eyes of the user, can see a project through from proposal to post-launch support, can interface well with your clients, and has the heart of a teacher. I love not only solving problems and building exciting tech, but also coaching everyone around me how to do what I do. Throughout our time working together, I strive to make sure that when our contract ends, everyone I have worked with will have leveled up their own skills and has the documentation necessary to replicate my work if needed. I have primarily worked in C#, .NET, and JavaScript frameworks like React and Angular, but I also have a lot of experience in the following technologies: - C++ - Node.js - Next.js - SQL - MySQL - PostegreSQL - Azure - AWS - Firebase - Supabase - Unity - Unreal Engine - SFML - Python

MySQL Administration
Unity
Unreal Engine
Gaming
Healthcare
Communications
Problem Solving
Project Management Software
Firebase
.NET Stack
SQL
MySQL
Node.js
React
JavaScript
C#
$35 hourly
Yulian G.
- 5.0/5
- (1 job)
❗️❗️❗️ Software QA Engineer with 4+ years of experience. ❗️❗️❗️ 🤓Master of explaining complex concepts in simple words.🤓 ⭐️Experienced with SQA projects related to testing Web, Mobile (Android/iOS), software devices ⭐️Expert in developing and implementing QA processes from the ground up, including comprehensive test strategies; ⭐️Proficient in Functional, Regression, Integration, Smoke, User acceptance (UAT), UI testing, API, localization, Unix/Linux, ADB commands using Android studio, Xcode for iOS app. ⭐️Expert in creating test documentation: Test plans, Test suites, Test cases, User stories; ⭐️Enjoy working in an Agile fast-paced environment, startups; ⭐️Solid understanding of SDLC/STLC, startup spirit, culture, and goals ⭐️Enjoy learning new technologies and challenging concepts; ⭐️Excellent organizational and time-management skills; ⭐️Analytical skills and attention to detail ⭐️Hands-on experience in prompt testing (Generative AI) ✅Programming: MySQL, CSS, HTML ✅Platforms: Windows, macOS, UNIX/LINUX, iOS, Android ✅Bug Tracking: JIRA, Bugzilla, Mantis ✅Mobile Testing: Android Studio, Xcode, ADB, AWS Device Farm, Charles Proxy, TestRail ✅Automation tools: Selenium, Postman ✅Other: MS Office, GitHub, Chrome DevTools,

MySQL Administration
Web Testing
QA Testing
API
Unix
SQL
MySQL
Postman
Software
Quality Assurance
Static Testing
Beta Testing
Test Results & Analysis
Software QA
Testing
Software Testing
$60 hourly
Chavez F.
- 5.0/5
- (4 jobs)
I am a Data Analytics Engineer with a passion for turning raw data into actionable insights that drive business success. My expertise lies in designing and implementing scalable data pipelines, ensuring clean, reliable, and accessible datasets for analytics and decision-making. With a strong background in SQL, Python, and ETL processes, I specialize in building efficient data models that support real-time reporting and analytics. My proficiency in data visualization tools such as Power BI, Looker, and Tableau allows me to create compelling, interactive dashboards that help businesses uncover trends, monitor KPIs, and make data-driven decisions with confidence. Key Skills & Expertise: ✅ Data Pipeline Development – Extract, transform, and load (ETL) data efficiently from multiple sources. ✅ Data Modeling & Warehousing – Optimize relational and dimensional data models for performance. ✅ Visualization & Reporting – Build dynamic dashboards and reports in Power BI, Looker, and Tableau. ✅ SQL & Python Expertise – Write complex queries, automate processes, and analyze large datasets. ✅ Data Quality & Governance – Ensure accuracy, consistency, and security in data handling. ✅ Collaboration & Communication – Work closely with stakeholders to translate business needs into analytical solutions. My goal is to empower businesses with high-quality, meaningful data insights that enhance operations, optimize decision-making, and boost efficiency. Whether it’s streamlining data workflows, creating real-time dashboards, or implementing advanced analytics solutions, I’m here to turn your data into a strategic asset. Let’s connect and make your data work for you! 🚀

MySQL Administration
PySpark
Apache Hadoop
Informatica
Keras
Snowflake
BigQuery
MySQL
Machine Learning
Plotly
Looker Studio
Tableau
Microsoft Power BI
TensorFlow
R
Python
$35 hourly
Zaeem A.
- 5.0/5
- (12 jobs)
I'm a senior full-stack developer with deep expertise in Python, AI/ML, React.js, Next.js, Ruby on Rails, and modern backend frameworks. Over the years, I’ve built and optimized complex applications, ensuring scalability, performance, and maintainability. My passion lies in developing AI-driven solutions, improving existing applications, and delivering seamless user experiences. My Experties Python & AI/ML – Proficient in Django, Flask, FastAPI, and AI/ML model integration. Experience with TensorFlow, PyTorch, and OpenAI APIs. React & Next.js – Expertise in building dynamic, high-performance frontend applications with React.js, Next.js, and modern UI libraries. Ruby on Rails – Extensive experience architecting and maintaining scalable Rails applications. End-to-End Development – Skilled in both backend (Node.js, Rails, Python) and frontend (React, Next.js, Vue). Cloud & DevOps – Experienced in AWS, GCP, Docker, Kubernetes, and implementing CI/CD pipelines. API Development – Strong background in building RESTful APIs, GraphQL, WebSockets, and optimizing database interactions (PostgreSQL, MySQL, MongoDB). Test-Driven Development (TDD) – Focus on writing clean, testable code with RSpec, Jest, PyTest to ensure software reliability. Beyond Code I enjoy optimizing existing applications, improving performance, and implementing AI-driven enhancements. Outside of development, I love writing, gaming, and exploring the evolving world of NFTs. I’m always open to collaborating with startups and established companies looking for an experienced developer who can solve problems, improve products, and build cutting-edge applications. Let’s connect!

MySQL Administration
Ruby
MySQL
Generative AI
PostgreSQL
Machine Learning Model
Flask
Django
PyTorch
Machine Learning
AI Chatbot
Next.js
Ruby on Rails
Python
React
$50 hourly
Elisei D.
- 5.0/5
- (3 jobs)
I am a freelancer with good experience and knowledge in CSS, HTML, PHP, MySQL, Python, Bash Scripting and Rest - Json APIs. I am also Cisco CCENT and CCNA certified and an avid Linux user. The platform that I enjoy using the most and build the most business solutions is Linux and occasionally Windows. I am fluent in English. I help businesses reduce operational costs with custom software solutions and and automated workflows. Desktop application development is not out of my league and one of my best projects is enjoying constant downloads every day. The project name is ControlBoard and integrates my camera control solution with the well known Wirecast streaming app to help video producers and directors save money by reducing their crews numbers. Because of the above project i gained a lot of experience with video camera control protocols and streaming technologies like dash and adaptive bit-rate http live streaming and adaptive bit-rate on demand.

MySQL Administration
Wirecast
WordPress Development
WordPress Plugin
Bash Programming
RESTful API
PyQt
JSON API
Linux System Administration
PHP
Database Management
Serial Port Interfacing
OpenCV
Network Security
MySQL
Python
$83 hourly
Jim K.
- 4.9/5
- (410 jobs)
With 26 years of website design and development experience, I specialize in crafting quality websites that meet the unique needs of my clients. I have extensive knowledge of WordPress, Zen Cart, Big Commerce and Shopify, and use them to build websites for my clients. I have a passion for creating websites that are both visually stunning and highly functional. My portfolio of projects spans a wide range of industries and countries and I maintain a high level of communication with my clients using email, Zoom, chat, etc. I am also responsible for the ongoing maintenance and support of the websites of several clients. If you're looking for an experienced website developer to update your existing website or build you a fabulous new one, I'm your guy! I look forward to working together and delivering results that exceed your expectations. We build websites that run flawlessly! Sincerely, Jim

MySQL Administration
Zen Cart
Web Hosting
Web Analytics
Search Engine Optimization
CSS 3
HTML5
JavaScript
PHP
WordPress
MySQL
$45 hourly
Doug S.
- 5.0/5
- (6 jobs)
Highly skilled engineer proficient in many facets of software development. Fifteen years of full-time and contract experience for companies such as MySpace, Encyclopaedia Britannica, and Bank of America. B.S. and M.S. in Computer Science with multiple internships including Argonne National Laboratory and Ernst & Young. Insatiable curiosity.

MySQL Administration
Apache Solr
J2SE
XML Web Services
Apache Lucene
C#
Apache Tomcat
Java
MySQL
PostgreSQL
$70 hourly
Robert W.
- 5.0/5
- (18 jobs)
As a Senior Developer with over a decade of experience, I’ve dedicated my career to mastering backend development and resolving complex performance issues across the entire stack. My expertise spans coding, databases, and underlying operating systems, where I’ve consistently delivered high-performance, scalable solutions. I specialize in optimizing and troubleshooting with a deep proficiency in Rust, PHP, MySQL, Varnish, nginx, Linux, FreeBSD, and AWS. My work has empowered clients like AWS Professional Services and Shure Inc. to achieve their goals, from building APIs that handle over 100,000 requests per second to creating custom, geographically distributed high-availability CDNs. One of my proudest achievements is maintaining an eight-figure monthly billing system, ensuring both reliability and efficiency at scale. Beyond technical skills, I’m known for my ability to communicate complex ideas clearly to non-technical stakeholders while effectively leading and mentoring junior developers. I’m passionate about continuing to push the boundaries of what’s possible in backend development and am always eager to take on new challenges that require innovative solutions and high-level problem-solving.

MySQL Administration
Amazon Web Services
Linux System Administration
Unix
PHP
JavaScript
HTML
Ubuntu
Linux
Rust
Symfony
CSS
PostgreSQL
SQL
MySQL
$90 hourly
Mikael H.
- 5.0/5
- (9 jobs)
Specialties : - MySQL Replication (Master Slave, MultiMaster, Fail over, etc) - MySQL Cluster implementation (InnoDB Cluster, Galera Cluster) - MySQL Load Balancer Implementation HAProxy, ProxySQL - MySQL Backups, Recovery & Point in time recovery - MySQL Query Optimization, Performance & Engine Tuning

MySQL Administration
PHP
MySQL Programming
Amazon EC2
Amazon RDS
Database Design
MySQL
$95 hourly
Timothy M.
- 4.9/5
- (19 jobs)
I'm a web developer with extensive experience in building high quality sites. My experiences range from building responsive sites that work well cross-browser and on mobile to building sites that integrate with 3rd party systems like Salesforce. Most of my projects leverage tools like Drupal or Wordpress. I like working on projects with a team that cares about creating useful tools and usable interfaces. I am a good communicator and always strive to delight. It's important to me to build long term relationships with clients, so I'm primarily looking for long term projects. I am an excellent troubleshooter with the ability to make things work. I'm flexible with my working hours and am happy to work closely with any existing freelancers you work with. I look forward to hearing from you!

MySQL Administration
Apache Solr
PayPal Integration
Ubuntu
Salesforce CRM
Drupal
MySQL
Ecommerce Website
PHP
JavaScript
HTML
CSS
WordPress
$28 hourly
Elias M.
- 4.8/5
- (13 jobs)
Fullstack engineer specializing in rails and react. I also have experience working with spring boot and angular. I have also worked with flask.

MySQL Administration
Heroku
X86 Assembly Language
RSpec
JavaFX
GitHub
SCSS
Visual Basic
Git
Bootstrap
MySQL
PostgreSQL
React
Java
Ruby on Rails
$29 hourly
Jared C.
- 5.0/5
- (1 job)
Hi, my name is Jared. I am a passionate web developer with a strong track record of building web apps and websites using modern technologies like Vue, Nuxt, MySQL, and the Google Cloud Platform. I pride myself on delivering high-quality, responsive, and user-friendly web solutions that meet the unique needs of my clients. What I Offer • Frontend Development: From concept to deployment, I handle all aspects of web development. My expertise spans front-end frameworks like Vue.js and Nuxt.js, ensuring smooth and dynamic user experiences. • Backend Development: I design and implement secure, scalable back-end systems using Node.js and MySQL, tailored to manage your data effectively. • Cloud Integration: Leveraging the power of Google Cloud Platform, I am capable of deploying robust, scalable, and efficient web applications that can grow with your business.

MySQL Administration
Google Analytics 4
Figma
Google Analytics
Google Cloud Platform
MySQL
Vue.js
Docker
TypeScript
SCSS
Node.js
CSS
HTML
$75 hourly
Riley N.
- 0.0/5
- (0 jobs)
I’m a data analyst with 6+ years of experience in SQL, Python, and JavaScript, focused on automating workflows to save time and reduce errors. My strength lies in building scalable, reliable solutions that turn manual tasks into streamlined processes. I’ve led automation projects that replaced hours of repetitive work with efficient scripts, built custom dashboards, and integrated systems across education and business operations. I hold a degree in Biometry from Cornell University and bring a strong analytical foundation to every project. If you need clean, accurate data workflows that just work—I’m here to help.

MySQL Administration
Microsoft Office
Mathematics Tutoring
MySQL
Strategy
$50 hourly
Thanh Xuan T.
- 0.0/5
- (0 jobs)
Experienced software application engineer with over 18 years of history designing and developing complex applications from scratch, using modern methodologies to streamline and optimize development processes. Skilled problem solver and communicator, building effective team to ensure deployed projects are robust, error-free, feature-rich, and successful. Expertise in languages and technologies such as PHP, CakePHP, CodeIgniter, Symfony, Java, CSS, HTML, JavaScript, jQuery, React, and MySQL.

MySQL Administration
Linux
Amazon EC2
Jenkins
Java
JavaScript
PHP
CakePHP
jQuery
JSON
MySQL
CodeIgniter
React
Symfony
$15 hourly
Vanessa A.
- 5.0/5
- (1 job)
I’m Vanessa and I live in Chicago, IL (USA). I’m a passionate creator specializing in User-Generated Content (UGC) videos. I bring products to life through engaging reviews, hands-on unboxing experiences, and authentic storytelling. From skincare to gadgets, I make each video feel relatable and real, helping brands connect with audiences who value genuine insights.

MySQL Administration
Review
Product Review
Software QA
Database
SQL
SQL Programming
Smartphone
MySQL
Software Testing
Legal Translation
Translation
$35 hourly
Daniel W.
- 5.0/5
- (3 jobs)
I'm a software engineer originally from Chicago. I've been working full-time as a software engineer for the web space for over ten years, now looking to work freelance. I've done work in both frontend and backend software. I've got years of experience writing code in JavaScript and PHP. Within JavaScript, I'm proficient in React/Redux as well as vanilla JavaScript MySQL and PostgreSQL are my databases of choice. Most of the work I've done has been within an AWS ecosystem in some form or another.

MySQL Administration
React
Node.js
Redux
React Native
MySQL Programming
JavaScript
Object-Oriented Programming
MySQL
PostgreSQL
GraphQL
PHP
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