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Hire the best Programming Languages Freelancers in Chicago, IL

Check out Programming Languages Freelancers in Chicago, IL with the skills you need for your next job.
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  • $73 hourly
    • 5.0/5
    • (3 jobs)
    Hi, I’m Johnny 👋 I build revenue-driving automations for enterprises, agencies, and now a $50MM ARR SaaS—skills I honed engineering AI at BlackRock. → AI support agents I designed now handle 80 % of routine questions instantly, saving thousands of staff hours → Lead-gen systems integrated with CRM can triple demo bookings in 90 days → Featured author on Medium.com and host of the “Simple Tech Talk” AI podcast (2.5 K subs) interviewing 7- & 8-figure CEOs Browse the mini case studies below, or skim simplifytech.ai to see my style. Excited to talk! ——— The longer, sit-down version: Pleasure to meet you! I’m Johnny. Clients stay because I translate tech into plain English, ship fast, and sweat the edge cases so they don’t have to. I founded Simplify Tech, an AI-automation studio that grew to 30 + devs and booked out months in advance before I shifted to selective, high-impact freelance builds. Deep-dive domains: - AI-first SaaS & fintech - Service businesses craving hands-off lead gen - Enterprise knowledge-base automation - Marketing & creative agencies - E-commerce ops & fulfillment - Coaching / education platforms When you work with me on Upwork, you get: - n8n / Zapier / Make blueprints that link every app in your stack - Autonomous chat & voice bots on web, Slack, Twilio, or phone - CRM pipelines (HubSpot, Salesforce, or custom) that never drop a lead - Python & TypeScript scripts that pull, clean, and sync data on autopilot I automate because I love watching teams reclaim their day. Expect clear Loom walk-throughs, rapid iterations, and solutions that keep working long after hand-off. I aim for long-term partnerships where both sides scale together. I'm looking forward to automating something fantastic for you. Shoot me a message if you have questions or need more details, and we’ll connect. Cheers, Johnny P.S. — If your niche isn’t listed above, reach out anyway. I enjoy ramping up on new domains and will jump in if it makes sense for both of us.
    Featured Skill Programming Languages
    AI Chatbot
    MERN Stack
    Flask
    Business Process Automation
    Computer Vision
    Google Apps Script
    Web Development
    Scripting
    Zapier
    Make.com
    CRM Automation
    Generative AI
    ChatGPT
    Python
    Software Development
  • $70 hourly
    • 5.0/5
    • (7 jobs)
    Greetings! I am a Python software engineer with a focus on leveraging AWS to create back-end systems. I also have experience in developing web APIs using Flask, building ETL pipelines, and implementing CLIs. Highlighted skills: - Python - Back-end development - Flask - AWS EC2 - AWS Lambda - AWS Step Functions I ensure that I account for, and surface any risk areas of requirements that I receive from my clients. This ensures that the deliverable is as close to the client's vision as possible.
    Featured Skill Programming Languages
    Salesforce App Development
    Salesforce CRM
    Salesforce
    Amazon EC2
    Amazon S3
    Software Debugging
    AWS Lambda
    Software Development
    Software Testing
    Software Design
    Python
    SQL
    API
  • $85 hourly
    • 5.0/5
    • (2 jobs)
    Project manager focused on technology based projects in many different industries. Experience in private sector, non-profit, and consulting. Expertise in all project management skills and project phases with proficiencies in both agile and waterfall methodologies. Has helped companies establish their PMO, move from waterfall to agile, and train and manage other project managers.
    Featured Skill Programming Languages
    Software
    Software Development
    Agile Software Development
    Project Management
    Testing
    HubSpot
    Scrum
    Quality Assurance
    Azure DevOps
    Tech & IT
    Technical Project Management
    Microsoft Teams
    Microsoft Office
    Jira
    Microsoft Project
  • $120 hourly
    • 0.0/5
    • (0 jobs)
    Passionate, responsible and committed software engineer, with a get-it-done, on-time spirit, and more than a decade of experience designing, implementing and adapting technically sophisticated web and desktop applications using Microsoft Technologies: C#.net, Asp.net, .net framework, and VB.net. I enjoy developing mobile apps for android devices (Java),. All my software development experience are done in a three tiered architecture. In addition, I love databases from building database structure to importing data. My database expertise includes Oracle, SQL Server, SQLite, MySQL and Microsoft Access. Proficient in C# infrastructure, language standards, object modeling technologies and Application Life Cycle management. I enjoy being a leader within my team and pass on my knowledge to the next generation of developers. Furthermore, I apply SDLC methodology into my software development projects from gathering requirements from clients and making sure that the project
    Featured Skill Programming Languages
    Oracle Reports
    Oracle PLSQL
    Oracle Database
    Oracle Cloud
    Oracle APEX
    Microsoft SQL Server
    ASP.NET
    C#
    Ecommerce
    Personal Computer
    Desktop Application
    Web Development
    Software Development
    Ecommerce Website
    Web Application
  • $75 hourly
    • 0.0/5
    • (0 jobs)
    Hi, I'm TJ! A senior Salesforce developer with extensive experience in the platform, Lightning Web Components, and Apex
    Featured Skill Programming Languages
    HTML
    Salesforce App Development
    Apex
    SOQL
    Salesforce CRM
    Salesforce
    JavaScript
    Software Development
    Salesforce Lightning
    Pardot
    API Integration
    API
    Java
  • $60 hourly
    • 0.0/5
    • (0 jobs)
    A software engineer and a certified AWS Solution Architect Associate with more than 11 years of experience in software development as a key contributor to designing and developing robust cloud-based enterprise solutions. Great experience in financial, pharmacy and retail industries. Proven ability to deliver business-critical software through testing and debugging, with a strong focus on performance and quality. Well experienced in developing and maintaining highly available, fault tolerant and highly scalable cloud native applications.
    Featured Skill Programming Languages
    User Acceptance Testing
    Unit Testing
    Docker
    Microservice
    Hibernate
    TypeScript
    Angular
    Golang
    AWS Application
    Apache Kafka
    Spring Boot
    Java
    Product Development
    Software Development
    Web Development
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    Hello! I'm Tariq Mahmood, a USA-based Full-Stack Mobile and Web App Developer with over 7 years of professional experience in building modern, scalable, and user-friendly digital solutions. I’ve helped startups, SMEs, and enterprise clients launch high-impact apps that drive real business results. I specialize in cross-platform mobile app development with Flutter and robust web applications using React and Node.js. My code is clean, secure, and optimized for performance and long-term scalability. ✅ Core Skills & Technologies 📱 Mobile App Development Flutter (Dart, BloC, GetX), React Native Android (Java/Kotlin), iOS (Swift/SwiftUI) Firebase, REST APIs, GraphQL Real-time Chat: Firebase, Socket.io, Twilio, Agora Payment Integration: Stripe, PayPal, RazorPay, Apple Pay, Google Pay Maps & Location: Google Maps, MapBox, Geolocation Push Notifications, In-App Purchases, Subscription Models (RevenueCat) 🌐 Web Development Frontend: React.js, Next.js, HTML5, CSS3, Bootstrap, Tailwind Backend: Node.js, Express.js, Laravel, PHP, NestJS Databases: MongoDB, PostgreSQL, MySQL, Firebase API Development, Admin Dashboards, Authentication (JWT, OAuth) DevOps: AWS, GitHub Actions, Docker, DigitalOcean 📲 App Types I Develop E-commerce & Marketplace Apps Food & Grocery Delivery Apps Social Media & Messaging Platforms Taxi & Ride-Sharing Apps Health & Fitness Tracking Apps On-Demand Service Platforms Event & Booking Apps Educational & LMS Apps AI-Integrated Apps (ChatGPT, Automation, NLP) 💼 Why Work With Me? 🔁 7+ Years of Proven Experience 💬 Clear & Consistent Communication 🚀 Clean, Scalable, High-Performance Code 🎯 Business-Driven Development Approach 🧠 Strong Problem-Solving & Creative Thinking If you're looking for a developer who combines technical excellence with reliability and a sharp business mindset—let's work together. 📩 Send me a message to discuss your project—I’d love to help bring your vision to life! . . . , , , , , , Flutter, FlutterFlow, Dart, Kotlin, Java, Swift, SwiftUI, Objective-C, Android App Development, iOS App Development, Cross-Platform App Development, Native Mobile Development, SaaS Development, Custom SaaS Applications, Subscription Billing Systems, User Authentication, Firebase, AWS, EC2, S3, Google Cloud Platform (GCP), ChatGPT API Integration, OpenAI, AI App Development, AI Chatbots, NLP Integration, Machine Learning, AI Automation, CRM Automation, Laravel, CodeIgniter, PHP, React.js, Angular, HTML5, CSS3, RESTful API Development, Payment Gateway Integration, Stripe, PayPal, Figma, Adobe XD, UI/UX Design, MySQL, Cloud Architecture, Serverless Backend, eCommerce Apps, Admin Dashboards, Web App Development, Mobile App Publishing, Performance Optimization, CI/CD Pipelines.
    Featured Skill Programming Languages
    DevOps
    HTML5
    PHP
    Laravel
    React Native
    Flutter
    App Development
    iOS Development
    Android App Development
    Software Development
    Web Development
    Mobile App
    Web Application
    Artificial Intelligence
  • $110 hourly
    • 0.0/5
    • (0 jobs)
    I’m a data scientist, machine learning engineer, and software developer experienced in building websites and AI solutions for medium-sized businesses and non-profits. I have a background in global security, as well as global supply chain management, and am fluent in English, Spanish, and Portuguese.
    Featured Skill Programming Languages
    Software Development
    Neo4j
    Microsoft Power BI
    Tableau
    HTML
    JavaScript
    Natural Language Processing
    Data Engineering
    Data Visualization
    Python
    SAP
    SQL
    Artificial Intelligence
    Machine Learning
    Data Analysis
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    Creative professional skilled in problem solving and responsive to the needs of clients and coworkers. Resourceful and adaptable to any working environment. Attentive to detail, with sharp awareness of omissions/inaccuracies, and prompt to take corrective action.
    Featured Skill Programming Languages
    English to Spanish Translation
    Spanish to English Translation
    Translation
    App Store
    UI Graphics
    Adobe XD
    Adobe Premiere Pro
    Agile Software Development
    UX & UI
    Software Development
    Mobile App
    Application
    GitHub
    iOS
    iOS Development
  • $30 hourly
    • 0.0/5
    • (0 jobs)
    I'm a developer who has two years of healthcare experience in a lab doing diagnostic testing. I have recently completed a Full-Stack Software Development Apprenticeship Program at Discovery Partners Institute.
    Featured Skill Programming Languages
    Software Development
  • $10 hourly
    • 0.0/5
    • (1 job)
    I'm a recent graduate looking for a bit of remote work while I build up my portfolio. - Strong foundation in technology and mathematics - Able to use many tools including MS Office, Google Drive, and GitHub - Able to use multiple programming languages: C++, Java, Python, SQL, PHP, Javascript
    Featured Skill Programming Languages
    Software Development
    Video Editing
  • $15 hourly
    • 0.0/5
    • (1 job)
    Hello! I’m a data analyst with a Master’s in Information Technology and Management, and I'm here to help businesses make data-driven decisions, automate processes, and unlock actionable insights. With a background in statistical analysis, machine learning, and software development, I specialize in turning complex data into straightforward, impactful solutions. My key skills include: - Data wrangling and visualization with tools like Python, R, SQL, and Power BI - Building predictive models and machine learning algorithms to forecast trends and improve efficiency - Developing custom applications for data automation and workflow optimization - Offering bilingual services if you need a french-speaking data analyst I’m committed to delivering high-quality, scalable solutions tailored to each project’s unique goals. Whether you're looking to analyze data, develop a new tool, or integrate AI-driven insights into your workflow, I can help you reach new levels of growth. Let's work together to make your data work for you!
    Featured Skill Programming Languages
    SQL
    Relational Database
    Microsoft Power BI
    French
    Software Development
    Database Development
    Machine Learning
    Data Analysis
    Data Mining
  • $70 hourly
    • 0.0/5
    • (0 jobs)
    I’m a Senior Full Stack Developer with 9 years of experience designing, developing, and deploying robust web applications and scalable infrastructure. I bring a well-rounded skill set across backend and frontend development, along with solid DevOps engineering capabilities to support full lifecycle software delivery. 💻 Backend Expertise Specialized in Python-based web development, including frameworks like Django, Flask, and FastAPI, ideal for building scalable REST APIs and high-performance services. Experience with Scrapy for advanced web scraping, automation, and data extraction workflows. Proficient in Ruby on Rails, PHP (Laravel), and WordPress, delivering full-featured server-side applications tailored to business needs. Skilled in architecting secure, maintainable backend systems with optimized database structures (PostgreSQL, MySQL, SQLite, MongoDB) and third-party API integrations. 🎨 Frontend Skills Expert in HTML5, CSS3, JavaScript, and UI/UX principles. Extensive experience with modern frameworks including React, Angular, and Vue.js, building responsive, dynamic web interfaces with strong component architecture and state management (Redux, Vuex). Familiar with Webpack, Vite, Babel, and frontend testing tools for smooth build and release cycles. ⚙️ DevOps & Infrastructure Deep hands-on experience setting up and maintaining CI/CD pipelines with GitHub Actions, GitLab CI, Jenkins, and Bitbucket Pipelines. Skilled in Docker and Kubernetes for containerization and orchestration of microservices. Solid experience with AWS (EC2, S3, RDS, Route 53, CloudFront), DigitalOcean, and Heroku for scalable cloud deployments. Proficient with NGINX, Apache, Linux servers, and scripting for automation and system management. Strong knowledge in infrastructure as code (IaC) using Terraform and Ansible, and monitoring/logging setups with Grafana, Prometheus, ELK stack, and Sentry. Focused on delivering secure, automated, and reproducible environments for consistent deployment and operations. 🔧 Development Philosophy Clean, modular code with a strong focus on scalability, performance, and maintainability. Agile development mindset with a proactive approach to problem-solving and code reviews. Strong communication and leadership skills; experienced mentoring junior developers and collaborating cross-functionally with product and design teams. I’m passionate about delivering real-world solutions through clean architecture, automation, and great user experiences. Whether leading complex full-stack projects or building infrastructure from the ground up, I bring reliability, flexibility, and depth to every team I work with.
    Featured Skill Programming Languages
    Figma
    Ruby on Rails
    Python
    Back-End Development
    UX & UI
    Tailwind CSS
    Vue.js
    AngularJS
    React
    Artificial Intelligence
    Front-End Development
    DevOps Engineering
    Software Development
    Web Application
    Web Development
  • $20 hourly
    • 0.0/5
    • (0 jobs)
    Hi, I'm Ursula! I'm a motivated student from Arizona State University, eager to launch my career in the tech industry. My degree focused on network forensics, and I'm actively expanding my skills in web development and programming languages. I'm seeking an entry-level position where I can apply my technical knowledge and contribute to innovative projects. Outside of tech, I love exploring Chicago and meeting new people. I'm passionate about continuous learning and connecting with others across various industries. Feel free to reach out, I'd love to connect!
    Featured Skill Programming Languages
    Jira
    GitHub
    API
    AWS CloudFormation
    Next.js
    CSS
    Bootstrap
    JavaScript
    Figma
    HTML5
    Desktop Application
    Personal Computer
    Ecommerce Website
    Software Development
    Web Development
  • $10 hourly
    • 0.0/5
    • (0 jobs)
    I’m a web developer with a passion for crafting seamless digital experiences. With expertise in both front-end and back-end development, I specialize in building responsive, performance-optimized websites and web applications using technologies like HTML5, CSS3, JavaScript, React, Node.js, and REST APIs. From collaborating with designers to optimizing UX, I thrive on solving complex problems and turning ideas into intuitive interfaces. Whether working on a dynamic single-page app or a full-stack solution, I bring clean code, scalable architecture, and a user-first mindset to every project. Let’s build something great together.
    Featured Skill Programming Languages
    Mobile App
    Web Development
    iPhone UI Design
    Software Development
    Desktop Application
    Web Application
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    🚀 Professional Resume Strategist | Career Development Enthusiast 🚀 With over a decade of experience spanning startups, big tech, and leadership roles, I bring unparalleled expertise in crafting resumes that capture attention and drive results. As a former founder, CTO, and senior software engineer at top companies like Google, YouTube, and Meta, I understand what recruiters and hiring managers are looking for across industries. What I Offer: ✅ Tailored Resume Revamp – Transform your resume into a powerful marketing tool that highlights your strengths, aligns with your goals, and positions you for success. ✅ ATS Optimization – Ensure your resume passes Applicant Tracking Systems, maximizing your chances of reaching the interview stage. ✅ Strategic Career Branding – Showcase your achievements, skills, and experience in a way that resonates with the roles you target. ✅ Insight from Both Sides of the Table – Having recruited and built teams from scratch, I know what makes a candidate stand out. Why Work With Me? ✔ Deep knowledge of tech, product, and business strategies, from scaling startups to delivering at enterprise levels. ✔ Proven track record of delivering clear, concise, and results-driven resumes. ✔ Passionate about helping professionals secure the roles they deserve. 💬 Ready to take your career to the next level? Let’s collaborate to make your resume shine!
    Featured Skill Programming Languages
    Business Writing
    Proofreading
    Web Development
    Desktop Application
    Software Development
    Artificial Intelligence
    Web Application
  • $30 hourly
    • 0.0/5
    • (0 jobs)
    I am IT Professional with experience in Data Centers, Data Engineering, Web and Application Development.
    Featured Skill Programming Languages
    Data Engineering
    Data Analytics
    SCSS
    CSS
    TypeScript
    JavaScript
    Product Development
    Desktop Application
    Web Application
    Web Development
    Personal Computer
    Software Development
  • $15 hourly
    • 0.0/5
    • (0 jobs)
    I'm a professional Content Writer since 2014, I've written for various blogs on topics ranging from Technology, Entertainment & Lifestyle. I'm also proficient in Proof-reading. If you need services in Content Writing & Proof-reading, I'm here to help.
    Featured Skill Programming Languages
    Software Testing
    Software Development
    Writing
    Proofreading
    Content Writing
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