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Freelance Full Stack Developer Jobs in Missouri (NOW HIRING)

Software Engineer - Full Stack

Saint Louis, MO ยท On-site

$110K - $115K/yr

We're looking for a Full Stack Developer to play a key role in building, maintaining, and improving our enterprise software and managing our production infrastructure. We value pragmatic engineers ...

FULL STACK JAVA DEVELOPER

Lake Saint Louis, MO ยท On-site

$49.75 - $64.25/hr

JOB TITLE: FULL STACK JAVA DEVELOPER DURATION: 12 MONTHS CONTRACT ON W2 LOCATION: 100% REMOTE RESPONSIBILITIES: * Interacts with the business analysis team to understand project requirements.

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 ...

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 ...

About the Role We're looking for a Full Stack Engineer who is passionate about building impactful solutions across the entire technology stack--from intuitive user experiences to scalable backend ...

About the Role We're looking for a Full Stack Engineer who is passionate about building impactful solutions across the entire technology stack--from intuitive user experiences to scalable backend ...

Software Engineer III - Full Stack

Noel, MO ยท On-site

$90K - $180K/yr

About the Role We're looking for a Full Stack Engineer who is passionate about building impactful solutions across the entire technology stack--from intuitive user experiences to scalable backend ...

Software Engineer III - Full Stack

Noel, MO ยท On-site

$90K - $180K/yr

About the Role We're looking for a Full Stack Engineer who thrives across the entire stack -- from pixel to platform. You'll spend roughly 70% of your time crafting intuitive mobile experiences in ...

About the Role We're looking for a Full Stack Engineer who thrives across the entire stack -- from pixel to platform. You'll spend roughly 70% of your time crafting intuitive mobile experiences in ...

About the Role We're looking for a Full Stack Engineer who thrives across the entire stack -- from pixel to platform. You'll spend roughly 70% of your time crafting intuitive mobile experiences in ...

Showing results 41-60

Freelance Full Stack Developer information

See Missouri salary details

$22

$55

$80

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

As of Aug 6, 2026, the average hourly pay for freelance full stack developer in Missouri is $55.59, according to ZipRecruiter salary data. Most workers in this role earn between $46.20 and $64.04 per hour, depending on experience, location, and employer.

What is a freelance full stack developer?

A Freelance Full Stack Developer is a self-employed professional who builds both the front-end and back-end of websites or applications. They work with various technologies, including databases, servers, APIs, and client-side interfaces, to create fully functional digital products. Unlike full-time employees, freelancers work on a project basis for multiple clients, offering flexibility in workload and schedule. Their responsibilities often include coding, debugging, deployment, and sometimes design.

What types of projects and clients can freelance full stack developers typically expect to work with?

Freelance Full Stack Developers often engage with a diverse range of projects, including website and web application development, e-commerce platforms, mobile app backends, and API integrations. Clients can range from startups and small businesses to established companies and entrepreneurs seeking bespoke digital solutions. The variety in clients and project scopes allows developers to constantly expand their skills and work experience, but it also means adapting quickly to new industries and client expectations. Freelancers typically manage their own workflow, communicate directly with clients, and are responsible for project timelines, making this role ideal for self-motivated technology professionals.

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

To thrive as a Freelance Full Stack Developer, you need a solid grasp of both front-end and back-end programming languages (such as JavaScript, HTML/CSS, Node.js, Python, or similar) and a strong portfolio showcasing completed projects. Familiarity with frameworks like React or Angular, version control systems like Git, cloud services, and sometimes relevant certifications (such as AWS Certified Developer) are highly valued. Excellent communication, problem-solving abilities, time management, and client relationship skills help set freelancers apart. These competencies are crucial for effectively delivering end-to-end solutions, managing multiple projects, and building a reliable client base.

What are the most commonly searched types of Full Stack Developer jobs in Missouri? The most popular types of Full Stack Developer jobs in Missouri are:
What cities in Missouri are hiring for Freelance Full Stack Developer jobs? Cities in Missouri with the most Freelance Full Stack Developer job openings:
Infographic showing various Freelance Full Stack Developer job openings in Missouri as of August 2026, with employment types broken down into 82% Full Time, and 18% Contract. Highlights an 100% In-person job distribution, with an average salary of $115,620 per year, or $55.6 per hour.

Full Stack .NET Software Developer

Monitise

Hazelwood, MO โ€ข On-site

Full-time

Re-posted 2 hours ago


Job description

Calling all innovators - find your future at Fiserv.

We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Full Stack .NET Software Developer

What does a successful Full-Stack .NET Software Developer do at Fiserv?
A successful Full-Stack .NET Software Developer at Fiserv designs, builds, and maintains high-quality software applications that support business goals and client needs. They collaborate across teams to translate requirements into technical solutions that perform reliably in production. They strengthen delivery by improving code quality and mentoring teammates.

What you will do?

  • Lead the design, development, and implementation of software applications aligned to business goals.
  • Partner with cross-functional teams to gather requirements and convert them into technical specifications.
  • Perform coding, testing, and debugging to ensure performance and reliability.
  • Maintain and enhance existing codebases while leading peer review processes.
  • Mentor junior developers and provide technical guidance to improve team execution.

What you must have?

  • 4+ years of software development experience (or 4+ years of an equivalent combination of education, related experience, and/or military experience).
  • 2+ years of experience with C#, .NET, or similar programming languages.
  • 2+ years of experience working with SQL databases.
  • 2+ years of experience with a major cloud platform (AWS, Azure, or GCP) plus CI/CD pipelines, DevOps practices, and Agile methodologies.

What would be nice to have?

  • 1+ years of experience delivering software in the financial services industry.
  • 2+ years of experience supporting production systems, including operational work and on-call/incident response responsibilities.
  • 1+ years of experience driving security or resilience initiatives such as vulnerability remediation or disaster recovery readiness.

This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Massachusetts, Maryland, Minnesota, New Jersey, New York, Nevada, Rhode Island, Vermont, Virginia, Maine or Washington.


It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.

Thank you for considering employment with Fiserv. Please:

  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contactAskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements.Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.