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Remote Freelance Full Stack Developer Jobs in Illinois

Sr. Full Stack Engineers Plano, TX/Schaumberg, IL/Issaquah, WA (Hybrid) 6-month Contract to Hire Remote for the Contract Period - 25% on site post conversion Tech Stack: * Java, JavaScript, React ...

Full Stack Engineer

Chicago, IL · On-site +1

$100K - $120K/yr

Remote Onshore, US Citizen | Type: Full-Time | Experience: 4-6+ years | Stack: Python/Django • ... Contribute to infrastructure and DevOps (AWS/GCP, CI/CD, IaC) * Write clean, testable, and scalable ...

Remote Reference ID: JN -042026-106484 Date Posted: 05/20/2026 Shortcut: * Description * Recommended Jobs Description: Remote Our client seeks a Full Stack Engineer to build and maintain modern ...

We are on the search for a Senior Full Stack Developer! In this role, you will design, code, test ... This role can either be remote or hybrid, reporting to our Niles, IL Corporate HQ. * Design and ...

We are on the search for a Senior Full Stack Developer! In this role, you will design, code, test ... This role can either be remote or hybrid, reporting to our Niles, IL Corporate HQ. Responsibilities

We are on the search for a Senior Full Stack Developer! In this role, you will design, code, test ... This role can either be remote or hybrid, reporting to our Niles, IL Corporate HQ. Responsibilities

We are on the search for a Senior Full Stack Developer! In this role, you will design, code, test ... This role can either be remote or hybrid, reporting to our Niles, IL Corporate HQ. Responsibilities

This hands-on, high impact and fully remote U.S. based role will have the opportunity to influence ... Contribute to CI/CD pipelines and DevOps processes to ensure efficient deployments and reliable ...

Full Stack Software Engineer

Chicago, IL · Remote

$125K - $145K/yr

Fully remote role that has a large business impact. How You'll Contribute * Design, develop, test ... Contribute to CI/CD pipelines and DevOps processes to ensure efficient deployments and reliable ...

Manager, Full-Stack Developer Avanade is seeking a Manager, Full-Stack Developer with expertise across both front-end and back-end development, including designing, building, and integrating services ...

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Remote Freelance Full Stack Developer information

What is the difference between Remote Freelance Full Stack Developer vs Remote Software Engineer?

AspectRemote Freelance Full Stack DeveloperRemote Software Engineer
CredentialsTypically requires a portfolio, coding skills, and sometimes certifications in web developmentRequires a degree in computer science or related field, and coding certifications
Work EnvironmentIndependent, project-based, often self-employed or via freelancing platformsUsually employed by a company, working remotely within a team
Employer & Industry UsageClients across various industries, project-based workTech companies, startups, or corporate IT departments
Search & Comparison IntentLooking for freelance web development projects or contractsSeeking full-time or remote software engineering roles

The main difference is that a Remote Freelance Full Stack Developer works independently on diverse projects for multiple clients, while a Remote Software Engineer is typically employed by a company, working within a team on ongoing software development tasks.

What is a Remote Freelance Full Stack Developer?

A Remote Freelance Full Stack Developer is a professional who works independently, often from any location, to build and maintain both the front-end and back-end components of web applications. They are skilled in a variety of programming languages and frameworks, allowing them to handle all aspects of a project, from user interface design to server-side logic and database management. As freelancers, they typically work on a project basis for multiple clients, offering flexibility and diverse work experiences. Remote work enables them to collaborate with clients and teams worldwide using digital tools.

What are some common challenges remote freelance full stack developers face when managing multiple projects?

Remote freelance full stack developers often juggle several projects with varying requirements and deadlines. One of the primary challenges is effective time management, as balancing client expectations, deliverables, and communication across different time zones can be demanding. Additionally, freelancers must stay up to date with evolving technologies while handling administrative tasks like invoicing and project tracking. Building strong communication habits and utilizing project management tools can help overcome these hurdles and ensure smooth collaboration with clients and team members.

What are the key skills and qualifications needed to thrive as a Remote Freelance Full Stack Developer, and why are they important?

To thrive as a Remote Freelance Full Stack Developer, you need proficiency in both front-end (HTML, CSS, JavaScript frameworks) and back-end (Node.js, Python, databases) technologies, along with a strong portfolio of completed projects. Familiarity with version control systems like Git, cloud platforms (e.g., AWS), and continuous integration tools is typically required, and certifications such as AWS Certified Developer or Microsoft Azure Fundamentals are advantageous. Outstanding self-management, proactive communication, and problem-solving skills help you stand out, especially when collaborating with clients and distributed teams. These capabilities are vital for delivering high-quality software solutions independently, meeting client expectations, and ensuring continued project success in a remote freelance environment.
What job categories do people searching Remote Freelance Full Stack Developer jobs in Illinois look for? The top searched job categories for Remote Freelance Full Stack Developer jobs in Illinois are:
What cities in Illinois are hiring for Remote Freelance Full Stack Developer jobs? Cities in Illinois with the most Remote Freelance Full Stack Developer job openings:

Full Stack Developer

Performacentric

Chicago, IL • On-site, Remote

Full-time

Posted 6 days ago


Job description

Full Stack Developer (React, Python & FastAPI)

Location: Remote (Preferred: Philippines, Latin America, or North America)
Employment Type: Full-Time / Contract
Company: Performacentric

About Performacentric

Performacentric helps small and mid-market organizations improve profitability, efficiency, visibility, and customer performance through custom AI solutions, intelligent automation, and connected business systems. We build AI agents, copilots, integrations, and business applications that eliminate manual processes and enable faster, data-driven decision making.

We are seeking a highly motivated Full Stack Developer to help design, build, and maintain modern web applications and AI-powered solutions for our clients and internal platforms.

Position Overview

The Full Stack Developer will be responsible for building and maintaining applications across the entire technology stack, including frontend user interfaces, backend APIs, database architecture, and cloud deployment.

The ideal candidate is equally comfortable developing modern React applications and building scalable Python/FastAPI backend services. Candidates with experience in machine learning, large language models (LLMs), AI agents, and PostgreSQL will receive strong consideration.

This position offers the opportunity to work on cutting-edge AI initiatives, business automation platforms, and next-generation enterprise applications.

Key ResponsibilitiesFrontend Development
  • Design and develop responsive web applications using React.
  • Build reusable UI components and front-end libraries.
  • Consume REST and GraphQL APIs.
  • Optimize applications for performance, scalability, and usability.
  • Collaborate with designers and stakeholders to create exceptional user experiences.
Backend Development
  • Develop and maintain APIs using Python and FastAPI.
  • Design scalable microservices and backend architectures.
  • Implement authentication, authorization, and security best practices.
  • Build integrations with third-party platforms and business applications.
  • Create automated workflows and data processing pipelines.
Database Development
  • Design and optimize PostgreSQL databases.
  • Develop efficient queries, indexes, and stored procedures.
  • Support data migration and ETL processes.
  • Ensure data integrity, security, and performance.
AI & Automation Development
  • Assist in the development of AI agents and copilots.
  • Integrate Large Language Models (LLMs) into business applications.
  • Build retrieval-augmented generation (RAG) solutions.
  • Support prompt engineering and AI workflow automation.
  • Develop integrations between AI services and enterprise systems.
DevOps & Quality
  • Participate in CI/CD pipeline development and maintenance.
  • Perform testing, debugging, and code reviews.
  • Monitor application performance and reliability.
  • Contribute to cloud infrastructure and deployment automation.
Required Qualifications
  • 3+ years of professional software development experience.
  • Strong proficiency in React.
  • Strong proficiency in Python.
  • Experience building APIs using FastAPI.
  • Experience with HTML5, CSS3, JavaScript, and TypeScript.
  • Familiarity with Git and GitHub-based development workflows.
  • Understanding of RESTful API design principles.
  • Experience working with relational databases.
  • Strong problem-solving and debugging skills.
  • Excellent written and verbal English communication skills.
Preferred Qualifications

Candidates possessing one or more of the following will receive preference:

  • Experience with PostgreSQL.
  • Machine Learning Engineering experience.
  • Experience deploying or fine-tuning open-source LLMs.
  • Experience with Llama models and related tooling.
  • Experience building AI agents and autonomous workflows.
  • Knowledge of vector databases and RAG architectures.
  • Experience with LangChain, LlamaIndex, CrewAI, AutoGen, or similar frameworks.
  • Experience with Docker and containerized deployments.
  • Experience with cloud platforms such as AWS, Azure, or Google Cloud.
  • Experience with CI/CD pipelines and DevOps practices.
  • Familiarity with n8n or workflow automation platforms.
Technical StackRequired
  • React
  • Python
  • FastAPI
  • Git/GitHub
  • REST APIs
  • HTML/CSS/JavaScript
Preferred
  • PostgreSQL
  • Llama LLM
  • LangChain
  • LlamaIndex
  • Docker
  • AWS
  • Azure
  • Vector Databases
  • Machine Learning Frameworks
Success Metrics

The successful candidate will:

  • Deliver production-ready features on schedule.
  • Develop scalable and maintainable code.
  • Build reliable APIs and integrations.
  • Contribute to AI-powered applications and automation solutions.
  • Maintain high standards for code quality, testing, and documentation.
  • Collaborate effectively across technical and business teams.
What We Offer
  • Opportunity to work on cutting-edge AI and automation projects.
  • Exposure to modern AI agent and LLM technologies.
  • Flexible remote work environment.
  • Opportunity for career growth within a rapidly growing AI-focused company.
  • Direct collaboration with company leadership and clients.
  • Meaningful impact on products that help businesses transform how they operate.
How to Apply

Please submit:

  1. Resume/CV
  2. GitHub profile (required)
  3. Portfolio or examples of recent projects
  4. Brief description of your experience with React, Python, FastAPI, PostgreSQL, and AI/ML technologies
  5. Any experience deploying or working with Llama-based LLMs or AI agents

Performacentric is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all team members.