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Freelance Full Stack Engineer Jobs in Missouri (NOW HIRING)

Booz Allen Hamilton

AWS Full Stack Engineer

Arnold, MO · On-site

$99K - $225K/yr

As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to create a ...

Stackruit Ltd.

Senior Full Stack Engineer

California, MO · On-site

$100 - $130/hr

Ternary is searching for a Senior Full Stack Engineer to join their growing team. You'll play a key role in developing their industry-leading cloud cost management platform, helping businesses ...

Jobtailor

Full-Stack Engineer

California, MO · On-site

$110 - $160/hr

Contribute to backend services in our stack (Ruby on Rails, Java, and others), building your familiarity with it over time. * Help maintain our tooling and engineering practices so the team can ...

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 Engineer to assist with the software development, maintenance, integration, deployment, and sustainment ...

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 Engineer to assist with the software development, maintenance, integration, deployment, and sustainment ...

Deloitte

Cyber Full Stack Manager

Kansas City, MO · On-site

As a Full Stack Engineer Manager in Deloitte Cyber's Digital Trust & Privacy practice, you will operate at the intersection of client-facing advisory, product engineering, and hands-on technical ...

NATO

We're looking for 3 Full-stack Engineers who thrive on solving complex problems, designing robust systems, and leading engineering excellence. This is a senior-level role where you'll take ownership ...

Walmart

Staff, Software Engineer - Full Stack

Noel, MO · On-site

$110K - $220K/yr

The ideal candidate is a versatile full stack engineer with approximately 60% backend and 40% frontend experience across distributed systems, APIs, cloud infrastructure, and modern web applications.

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Freelance Full Stack Engineer information

What does a freelance full stack engineer do?

A Freelance Full Stack Engineer is a self-employed software developer who is skilled in both front-end (client-side) and back-end (server-side) technologies. They design, build, and maintain complete web applications or websites, handling everything from user interfaces to databases and server logic. Freelance full stack engineers often work with a variety of clients on short-term or long-term projects, adapting to different tech stacks and business requirements. Their versatility makes them valuable for startups, agencies, and companies needing flexible development expertise.

What are the key skills and qualifications needed to thrive as a freelance full stack engineer?

To thrive as a Freelance Full Stack Engineer, you need strong proficiency in both front-end and back-end programming languages (such as JavaScript, HTML/CSS, Node.js, and Python) and a solid understanding of database management and web architecture. Familiarity with frameworks like React, Angular, or Django, version control systems like Git, and cloud platforms is often required, and certifications (e.g., AWS Certified Developer) can be advantageous. Excellent problem-solving, time management, and client communication skills help set you apart in a competitive freelance environment. These skills and qualities are crucial for delivering high-quality, end-to-end solutions while managing multiple projects and maintaining client satisfaction.

What are some common challenges faced by freelance full stack engineers when managing multiple projects simultaneously?

Freelance full stack engineers often juggle several projects at once, which can lead to challenges such as balancing client expectations, managing time effectively, and ensuring consistent code quality across different tech stacks. Communication is key, as freelancers must regularly update clients and coordinate with other team members who may be working remotely. Staying organized with project management tools and setting clear boundaries for deliverables and timelines can help mitigate these challenges, allowing engineers to deliver high-quality work while maintaining healthy client relationships.

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

AspectFreelance Full Stack EngineerFreelance Front End Developer
SkillsProficient in both front-end and back-end technologies (e.g., HTML, CSS, JavaScript, Node.js, databases)Specializes in front-end technologies (e.g., HTML, CSS, JavaScript, frameworks like React or Angular)
Work EnvironmentHandles entire project development, often working on both client and server sidesFocuses on user interface and experience, primarily on the client side
Common UsageUsed in projects requiring full-stack development, versatile rolesUsed in projects emphasizing UI/UX design and front-end features

Freelance Full Stack Engineers have a broader skill set covering both front-end and back-end development, enabling them to manage entire projects. Freelance Front End Developers specialize in creating engaging user interfaces. The choice depends on project scope and required expertise.

What are the most commonly searched types of Full Stack Engineer jobs in Missouri?

The most popular types of Full Stack Engineer jobs in Missouri are:

What are popular job titles related to Freelance Full Stack Engineer jobs in Missouri?

For Freelance Full Stack Engineer jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Freelance Full Stack Engineer jobs in Missouri look for?

The top searched job categories for Freelance Full Stack Engineer jobs in Missouri are:

What cities in Missouri are hiring for Freelance Full Stack Engineer jobs?

Cities in Missouri with the most Freelance Full Stack Engineer job openings:

Freelance Full Stack Engineer jobs near you

Sr. Full Stack Engineer

Stellar IT Solutions

Saint Louis, MO • On-site

Other

Posted 2 days ago

New

Job description

Sr. Full Stack Engineer

Remote

Long Term Contract

We are seeking a Senior Full Stack Engineer with strong experience building modern enterprise applications using C#/.NET 8, Core, EF Core, SQL Server, Angular, TypeScript, and Azure. The ideal candidate will have hands-on experience with Clean Architecture, DDD, CQRS/MediatR, and AI-assisted development tools.


Key Responsibilities & Requirements

  • Develop scalable full-stack applications using .NET 8, Core, EF Core, and SQL Server.
  • Apply Clean Architecture, Domain-Driven Design (DDD), and CQRS/MediatR patterns.
  • Build and integrate Azure services including Service Bus, Key Vault, Azure AD, and Table Storage.
  • Develop modern front-end applications using Angular 14+ and TypeScript.
  • Effectively leverage AI development tools such as Devin.AI, Claude, Rovo, and similar tools.
  • Work within environments using Azure DevOps CI/CD, xUnit, and legacy monolith-to-microservices modernization.


Nice to Have:

  • Single-SPA / Micro Frontends
  • Kendo UI
  • EBICS
  • Octopus Deploy
  • Liquid Templates

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