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Freelance Full Stack Net Developer Jobs in O Fallon, MO

Equifax

Senior Full Stack Engineer

Saint Louis, MO · On-site

We are seeking a visionary full stack engineer to join our technology transformation initiative. In this role, you will work in a talented team designing and deploying cutting-edge, cloud-native ...

World Wide Technology

Full Stack Developer

Saint Louis, MO · On-site +1

$82K - $103K/yr

As a Full Stack Developer on the team, you will be responsible for designing, building, testing, and delivering quality software that is thoughtful and maintainable. Your primary focus will be ...

New

Leidos

Journeyman Full Stack Engineer

Saint Louis, MO · On-site

$69K - $125K/yr

The Leidos National Solutions Division has an exciting opportunity for a Journeyman Full Stack ... Understanding of DevOps methodologies and workflow * Knowledge of the Architectural, SW Development ...

Leidos

Journeyman Full Stack Engineer

Saint Louis, MO

$69K - $125K/yr

The Leidos National Solutions Division has an exciting opportunity for a Journeyman Full Stack ... Understanding of DevOps methodologies and workflow * Knowledge of the Architectural, SW Development ...

New

CYNET SYSTEMS

Java Full Stack Developer

Saint Louis, MO · On-site

$50/hr

Job Overview: Requirement/Must Have: * 5+ years of experience in Java. * Skills in developing applications using multi-tier architecture. * Knowledge of GCP/Any cloud. * Java/JEE, Spring, Spring boot ...

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All JobsFull Stack Net Developer JobsFreelance Full Stack Net Developer JobsFreelance Full Stack Net Developer Jobs in O Fallon, MO

Freelance Full Stack Net Developer information

See O Fallon, MO salary details

$22

$55

$80

How much do freelance full stack net developer jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for freelance full stack net developer in O Fallon, MO is $55.44, according to ZipRecruiter salary data. Most workers in this role earn between $46.11 and $63.85 per hour, depending on experience, location, and employer.

What is the difference between Freelance Full Stack Net Developer vs Freelance Front End Developer?

AspectFreelance Full Stack Net DeveloperFreelance Front End Developer
Skills & CertificationsProficiency in .NET, C#, JavaScript, HTML, CSS, database managementExpertise in HTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentDevelops both client-side and server-side applications, often in enterprise settingsFocuses on user interface and experience, mainly on client-side development
Industry UsageCommon in software development, enterprise solutions, and web applicationsPrimarily in web design, digital agencies, and UI/UX projects

Freelance Full Stack Net Developers handle both front-end and back-end development using .NET technologies, while Freelance Front End Developers specialize in creating engaging user interfaces. The choice depends on project scope and technical requirements.

Freelance Full Stack Net Developer jobs near you

Senior Full Stack Engineer

Equifax

Saint Louis, MO • On-site

Other

Medical, Retirement, PTO

Posted 10 days ago

Equifax rating

7.8

Company rating: 7.8 out of 10

Based on 27 frontline employees who took The Breakroom Quiz

Job description

Equifax is where you can power your possible. If you want to achieve your true potential, chart new paths, develop new skills, collaborate with bright minds, and make a meaningful impact, we want to hear from you.
Equifax is where you can "power your possible." You'll drive modernization within Workforce Solutions as we continue our journey building best-in-class solutions to serve our customer's HR management and employment needs.
We are seeking a visionary full stack engineer to join our technology transformation initiative. In this role, you will work in a talented team designing and deploying cutting-edge, cloud-native solutions. You will be at the forefront of modern development, employing vibe coding concepts with AI-powered coding assistants like GitHub Copilot, Gemini, and accelerate innovation and build highly scalable, reliable, and performant APIs, microservices, and PaaS/SaaS platforms, including the ability to design, develop, and deploy AI agents in the google cloud platform. This role requires a deep understanding of both front-end and back-end technologies, combined with in depth knowledge and experience of cloud infrastructure, containerization, microservices architecture and the agentic AI framework. You're not just a coder; you're an architect, a lead, a mentor, and a key driver of the team's technical vision. If you are passionate about solving complex problems and working in a high-performing team, we want to hear from you.
This position does not offer immigration sponsorship (current or future) including F-1 STEM OPT extension support.
What you'll do
  • Design and deliver, robust cloud-native solutions for complex business problems using standard SDLC methodologies.
  • Develop scalable APIs and microservices using Java Spring Boot, Python, Node. js and other modern frameworks on public cloud infrastructure (Google Cloud Platform and AWS).
  • Champion modern software development practices by actively using AI code-assist tools (e.g., Gemini code assists, Github Copilot, Claude code) to accelerate development cycles, generate documentation, improve code quality, testing, and monitoring & observability practices
  • Build, manage, and work with a cross-functional team of software, quality, and reliability engineers, fostering a culture of technical excellence and continuous improvement.
  • Define and report on key engineering metrics (SLA, SLO, SLI) and ensure compliance with security, quality, and financial operations (DevSecOps, FinOps) best practices.
  • Collaborate with product managers, architects, SREs and business partners to define technical strategy, create software roadmaps, and make key architectural and design decisions.
  • Lead troubleshooting efforts to resolve production and customer issues, demonstrating deep technical expertise and problem-solving skills.
  • Participate and lead agile team activities, including Sprint Planning and Retrospectives, to ensure efficient and predictable delivery
  • Lead with a data/metrics driven mindset with a extreme focus towards optimizing and creating efficient solutions
  • Drive up-to-date technical documentation including support, end user documentation and run books
  • Create and deliver technical presentations to internal and external technical and non-technical stakeholders communicating with clarity and precision

What experience you need
  • Bachelor's degree or equivalent experience
  • 5-7 years of professional experience in software development, with a strong portfolio of building and shipping full-stack applications.
  • Front-End Expertise: Proficiency in modern JavaScript frameworks such as React, Angular, or Vue.js, along with a strong command of HTML5, CSS3, and TypeScript.
  • Back-End Expertise: Deep knowledge and experience of back-end programming languages like Node.js, Python, Go, or Java, and experience building RESTful APIs and microservices
  • Cloud Platforms: Extensive hands-on experience with at least one major cloud provider (Google Cloud, AWS or Azure).
  • Containerization: Experience using Docker for containerizing applications and Kubernetes for orchestration.
  • Infrastructure as Code (IaC): Proficiency with tools like Terraform or CloudFormation to manage
  • infrastructure programmatically.
  • CI/CD Tools: Experience with CI/CD tools such as GitHub Actions, Jenkins, GitLab CI.
  • Database Knowledge: Strong experience with both SQL (e.g., Spanner DB, Alloy DB, PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, DynamoDB and Firestore) databases.

What could set you apart
  • Strong expertise in Generative AI (GenAI), including hands-on experience with models like Gemini, ChatGPT, Claude, or Llama.
  • You are adept at leveraging modern development tools, including AI-powered code assistants (like GitHub Copilot), to accelerate the development lifecycle and rapidly ship high-quality features
  • Experience creating and deploying AI agents to production environments.
  • Proficiency with Atlassian tooling (JIRA, Confluence), source control (GitHub), and build tools (Maven, Gradle).
  • Excellent communication skills with the ability to articulate complex technical concepts to diverse audiences.
  • UI development (e.g. HTML, JavaScript, Typescript, React, Angular and Bootstrap)
  • Experience with backend technologies such as Jave SpringBoot, and Microservices architecture and design
  • Relational databases (e.g. Spanner DB, Alloy DB, Firestore, Postgres DB, SQL Server, MySQL)
  • Experience in automated testing with tools like JUnit, Mockito, Celenium, Jasmine, Playwright etc
  • Self-starter that identifies/responds to priority shifts with minimal supervision.
  • Demonstrated problem solving skills and the ability to resolve conflicts
  • Working in a highly regulated environment

#LI-ES1
#LI-Hybrid
We offer comprehensive compensation and healthcare packages, 401k matching, paid time off, and organizational growth potential through our online learning platform with guided career tracks.
Are you ready to power your possible? Apply today, and get started on a path toward an exciting new career at Equifax, where you can make a difference!
Primary Location:
USA-St. Louis-Lackland
USA-Atlanta JV White
Function:
Function - Tech Dev and Client Services
Schedule:
Full time

What Equifax employees say

Pay

Benefits

Hours and flexibility

Workplace

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About Equifax

Sourced by ZipRecruiter

As a global data, analytics, and technology company, we play an essential role in the economy by helping companies in diverse industries such as automotive, communications, utilities, financial services, fintech, healthcare, insurance, mortgage, professional services, retail, e-commerce, and government agencies, make critical decisions with greater confidence.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Atlanta, GA, US

Year founded

1899

Social media

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