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Independent Contractor Php Developer Jobs in Roxana, IL

Clayco

Senior Electrical Engineer

Saint Louis, MO · On-site

$100K - $131K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Review and approve contractor submittals and RFIs. Requirements * Bachelor's degree in Electrical ... Proven ability to work independently or as a team leader with a high degree of organization.

Clayco (LJC)

Senior Electrical Engineer

Saint Louis, MO

$100K - $131K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Review and approve contractor submittals and RFIs. Requirements * Bachelor's degree in Electrical ... Proven ability to work independently or as a team leader with a high degree of organization.

Clayco (LJC)

Senior Electrical Engineer

Saint Louis, MO

$100K - $131K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Review and approve contractor submittals and RFIs. Requirements * Bachelor's degree in Electrical ... Proven ability to work independently or as a team leader with a high degree of organization.

Clayco (LJC)

Senior Electrical Engineer

Saint Louis, MO · On-site

$100K - $131K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Review and approve contractor submittals and RFIs. Requirements * Bachelor's degree in Electrical ... Proven ability to work independently or as a team leader with a high degree of organization.

Clayco (LJC)

Senior Electrical Engineer

Saint Louis, MO · On-site

$100K - $131K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Review and approve contractor submittals and RFIs. Requirements * Bachelor's degree in Electrical ... Proven ability to work independently or as a team leader with a high degree of organization.

Clayco (LJC)

Senior Electrical Engineer

Saint Louis, MO

$100K - $131K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Review and approve contractor submittals and RFIs. Requirements * Bachelor's degree in Electrical ... Proven ability to work independently or as a team leader with a high degree of organization.

Veolia Environnement SA

Project Engineer

Sauget, IL · On-site

$76K - $96K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Costing of capital projects with and without external contractors * Costing of operation and ... Motivated and dynamic person with ability to work independently and part of a team * Resourceful ...

Veolia

Project Engineer

East Saint Louis, IL

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Costing of capital projects with and without external contractors * Costing of operation and ... Motivated and dynamic person with ability to work independently and part of a team * Resourceful ...

Veolia Environnement SA

Project Engineer

Sauget, IL · On-site

$76K - $96K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Costing of capital projects with and without external contractors * Costing of operation and ... Motivated and dynamic person with ability to work independently and part of a team * Resourceful ...

Provide

Project Engineer - Solid Waste

Saint Louis, MO · On-site +1

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

... contractors, and government agencies. - Provide technical guidance and support to junior engineers ... to work independently and as part of a team in a fast-paced environment. - Strong attention to ...

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Showing results 41-60

All JobsIndependent Contractor Php Developer JobsIndependent Contractor Php Developer Jobs in Roxana, IL

Independent Contractor Php Developer information

See Roxana, IL salary details

$36.4K

$97.8K

$142.9K

How much do independent contractor php developer jobs pay per year?

As of Aug 14, 2026, the average yearly pay for independent contractor php developer in Roxana, IL is $97,820.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,600.00 and $110,800.00 per year, depending on experience, location, and employer.

How do independent contractor PHP developers typically collaborate with clients and teams during a project?

As an Independent Contractor PHP Developer, collaboration with clients and teams often happens remotely through project management tools, video meetings, and regular status updates. You may be responsible for clarifying requirements, sharing progress, and integrating your code with that of other developers. Clear communication and documentation are essential, as you may work across different time zones and with clients who have varying levels of technical expertise. Building strong relationships and setting expectations early on can help ensure smooth project delivery and repeat business.

What is an independent contractor PHP developer?

An Independent Contractor PHP Developer is a self-employed professional who specializes in building and maintaining web applications using the PHP programming language. Unlike full-time employees, independent contractors work on a contractual basis, often for multiple clients or projects simultaneously. They are responsible for managing their own business operations, including setting rates, invoicing, and paying taxes. Their work may include developing new websites, updating existing PHP code, troubleshooting issues, and integrating third-party APIs. This role offers flexibility and autonomy but also requires strong technical, communication, and time management skills.

What are the key skills and qualifications needed to thrive as an independent contractor PHP developer?

To thrive as an Independent Contractor PHP Developer, you need strong proficiency in PHP programming, web development fundamentals, and ideally a degree in computer science or a related field. Familiarity with frameworks like Laravel or Symfony, version control systems (such as Git), and experience with databases like MySQL are typically required, along with knowledge of relevant certifications. Excellent problem-solving, time management, and client communication skills set successful contractors apart. These competencies ensure high-quality, efficient project delivery and foster strong client relationships in a competitive freelance environment.

What is the difference between Independent Contractor Php Developer vs Freelance Php Developer?

AspectIndependent Contractor Php DeveloperFreelance Php Developer
CredentialsTypically requires PHP certifications, coding skills, and possibly a portfolioSame as independent contractor, often self-taught or certified
Work EnvironmentWorks independently, often remotely, for multiple clientsWorks independently, usually on a project basis, often remotely
Employer/Industry UsageHired directly by companies or through agencies in various industriesHired directly by clients or via freelance platforms in tech and web development

Both roles involve independent PHP development work, requiring similar skills and credentials. The main difference lies in terminology and platform usage, with "Freelance Php Developer" often emphasizing project-based work through freelance platforms, while "Independent Contractor Php Developer" highlights a broader contractual relationship outside platforms.

What cities near Roxana, IL are hiring for Independent Contractor Php Developer jobs?

Cities near Roxana, IL with the most Independent Contractor Php Developer job openings:

Independent Contractor Php Developer jobs near you

Senior Full-Stack Engineer

Human Agency

Saint Louis, MO • On-site

Full-time, Contractor

Re-posted 14 days ago

Job description

Location: US or Canada
Type: US Applicants - Full-Time; Canadian Applicants - Independent Contractor
About Human Agency
We're scaling rapidly and have a growing pipeline of opportunities that demand exceptional talent across disciplines. Our mission is to bring on individuals, from creative producers to technical experts to entrepreneurial leaders, who can help us realize this next chapter of growth.
We are a company of doers. Leaders roll up their sleeves, teams work flat, and everyone contributes to what ships. Titles don't insulate us from feedback or basics. We invite critique, learn quickly, and keep raising the bar. The best ideas win here, no matter where they come from, because clients trust us to deliver the strongest outcomes every time.
Our clients' missions, products, and bottom lines are sacred. We immerse ourselves in their world, becoming stewards of their goals and partners in solving big problems. Every product, strategy, or asset we create must be both beautiful and functional; practical, usable, and designed for real-world impact.
Humans are our most valuable resource, and we only grow by hiring people who push us forward. Across strategy, engineering, design, data, and operations, we seek out teammates who raise the bar and make us better. Always hire up, never down.
We partner with organizations of all sizes to explore, design, and implement AI strategies that are secure, scalable, and human-centered. We believe AI should amplify human potential, not replace it and we build with that conviction in every engagement. From advisory and tooling to implementation and education, we meet clients where they are at and help them integrate AI in ways that align with their mission and values. Our goal is to empower teams to work smarter, move faster, and unlock new possibilities through thoughtful, responsible innovation.
And through it all, we lead with purpose, love, and adventure. We do meaningful work with people we care about, and we make the ride an adventure worth taking. Because at Human Agency, who we are and how we work are one and the same.
The Opportunity
At Human Agency, we are shaping the future by combining cutting-edge AI solutions with intuitive software development. We specialize in building scalable and secure SaaS applications that empower enterprise clients to solve complex problems efficiently. As part of our team, you'll work on high-impact projects at the intersection of AI, machine learning, and secure software engineering.
We're seeking a Senior Full-Stack Engineer to join our growing team. In this role, you'll lead development initiatives, contribute to our SaaS products, and tackle exciting challenges in backend architecture, frontend design, and AI/ML integrations with a particular focus on generative AI technologies.
Responsibilities
SaaS Application Development
  • Detection:
    • Develop backend algorithms to process articles, chunk content, and integrate with LLMs for predictive text generation.
    • Build APIs and services to manage and scale the application's content workflow.
  • Protection:
    • Create secure PDF upload workflows with encryption to ensure compatibility with Adobe Acrobat.
    • Integrate authentication mechanisms like Okta for enterprise customer admin management.
    • Enable data recovery, auditing capabilities, and enterprise-grade administrative tools.
AI/ML and Algorithm Development
  • Collaborate with AI/ML teams to operationalize models such as OCR (Optical Character Recognition) and generative AI-based solutions (e.g., GPT models).
  • Implement RAG (Retrieval-Augmented Generation) use cases using vector databases and data embedding techniques to enhance application functionality.
  • Design workflows for large-scale data processing that enable efficient AI integrations and create dynamic AI-first features, such as custom GPTs tailored to enterprise needs.
DevOps & Operationalization
  • Establish CI/CD pipelines and formal release structures for software delivery.
  • Conduct security evaluations to identify vulnerabilities and optimize performance across AI-driven SaaS applications.
  • Manage infrastructure and workflows for custom AI solutions, including tools like Snowflake and LangChain.
Future-Focused Development
  • Build integrations and proof-of-concept applications leveraging company-specific datasets and AI technologies.
  • Evaluate and implement tools for classification, indexing, and secure data management that incorporate the latest in generative AI advancements.
  • Support the development of enterprise-grade AI solutions, including internal AI models and custom LLMs.
Requirements
Core Technical Skills
  • Proficiency in Python and Ruby on Rails, with significant backend experience.
  • Experience in designing secure systems, including encryption workflows and document protection mechanisms.
  • Hands-on expertise in integrating generative AI tools, such as OpenAI APIs, LangChain, or Hugging Face frameworks, into SaaS applications.
  • Strong knowledge of RAG techniques, vector databases (e.g. Pinecone, Weaviate), and embedding pipelines.
  • Ability to operationalize AI/ML models and build workflows for enterprise clients.
  • Frontend development experience in modern frameworks (e.g, React, Vue), with the ability to assess and recommend appropriate tech stacks.
Nice-to-Have Skills
  • Computer vision and OCR expertise, especially for processing and indexing complex document workflows.
  • Experience with authentication systems (e.g., Okta) and enterprise administrative tools.
  • Experience in DevOps, CI/CD pipelines, and secure release management.
  • Background in security evaluations, vulnerability assessments, and tool integrations.
Other Requirements
  • Strong testing background with experience in automated and manual testing.
  • Ability to manage data recovery, audits, and compliance workflows.
  • Strong problem-solving and analytical skills, with attention to detail in complex environments.
  • Excellent communication skills and the ability to work collaboratively across teams.
Why Join Us?
  • Be part of a cutting-edge team solving complex problems in AI and SaaS development.
  • Work on impactful projects with enterprise clients and cutting-edge technologies.
  • Grow your career in a collaborative, innovative, and supportive environment.

If you're excited about working on secure, scalable systems while integrating advanced AI and ML capabilities, we'd love to hear from you.
Equal Opportunity Commitment
Human Agency is an Equal Opportunity Employer. We value diverse backgrounds and strive to build an inclusive culture where everyone feels welcomed and empowered.

Apply