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Full Stack Web Development Intern Jobs in Saint Louis, MO

Varsity Tutors

HTML Tutor

Saint Louis, MO · Remote

$18 - $40/hr

... full-stack web development skills. * Effective Teaching Methods: Ability to identify concepts students commonly struggle with, explain material using multiple approaches, and adapt instruction to ...

Varsity Tutors

JavaScript Tutor

Saint Louis, MO · Remote

$18 - $40/hr

Ability to explain callback functions, scope and hoisting, and the event loop while preparing students for web development careers and full-stack engineering coursework. * Conceptual Teaching ...

The Timberline Group

Java Full Stack Developer

Saint Louis, MO · On-site +1

$51 - $65.75/hr

Development will include solutions built for internal and external customer use and will cover the full stack of solution design and build and can have components built for data analytics, business ...

Leidos

Mid-Level Software Engineer

Maryville, IL · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos

Mid-Level Software Engineer

Fenton, MO · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos

Mid-Level Software Engineer

Chesterfield, MO · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos

Mid-Level Software Engineer

Fairview Heights, IL · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos

Mid-Level Software Engineer

Ballwin, MO · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos

Mid-Level Software Engineer

Dupo, IL · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

Leidos

Mid-Level Software Engineer

Florissant, MO · On-site

$87K - $157K/yr

As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from ... Web: HTML, CSS, JSON, Ajax, and REST APIs * Object-oriented Programming: Python, Java, or ...

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Showing results 21-40

All JobsFull Stack Web Development Intern JobsFull Stack Web Development Intern Jobs in Saint Louis, MO

Full Stack Web Development Intern information

See Saint Louis, MO salary details

$5

$12

$19

How much do full stack web development intern jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for full stack web development intern in Saint Louis, MO is $12.18, according to ZipRecruiter salary data. Most workers in this role earn between $8.17 and $14.04 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a full stack web development intern, and why are they important?

To thrive as a Full Stack Web Development Intern, you need foundational knowledge in front-end (HTML, CSS, JavaScript) and back-end (Node.js, Python, or similar) development, typically supported by relevant coursework or bootcamp experience. Familiarity with version control systems like Git, databases (SQL/NoSQL), and frameworks such as React or Express is highly valued. Strong problem-solving abilities, eagerness to learn, and effective communication help interns collaborate with teams and adapt quickly. These skills ensure interns can contribute meaningfully to projects while building the versatility and teamwork needed for future developer roles.

What is the difference between Full Stack Web Development Intern vs Front End Developer Intern?

AspectFull Stack Web Development InternFront End Developer Intern
Required SkillsHTML, CSS, JavaScript, backend frameworks, databasesHTML, CSS, JavaScript, UI/UX design
Work EnvironmentCollaborates on both client-side and server-side projectsFocuses primarily on user interface and client-side features
Industry UsageCommon in startups and tech companies hiring versatile developersCommon in companies emphasizing user experience and front-end design

Full Stack Web Development Interns work across both front-end and back-end technologies, gaining experience in full project development. Front End Developer Interns focus mainly on designing and implementing user interfaces. Both roles are valuable entry points, but Full Stack Interns develop broader skills across the entire web application stack.

Is a full stack web development intern worth it?

A full stack web development internship provides hands-on experience with both front-end and back-end technologies, such as HTML, CSS, JavaScript, and server-side frameworks. It can enhance skills, build a professional portfolio, and improve employability, making it valuable for those pursuing a career in web development.

What does a full stack web development intern do?

A Full Stack Web Development Intern assists in building and maintaining both the front-end and back-end components of web applications. They typically work under the supervision of senior developers and may be involved in tasks such as writing code, debugging, testing, and deploying web projects. Interns gain hands-on experience with various programming languages, frameworks, and databases, while also learning about the software development lifecycle. This role is ideal for students or recent graduates looking to develop practical skills and gain exposure to real-world projects.

What types of projects and technologies can I expect to work with as a full stack web development intern?

As a Full Stack Web Development Intern, you will typically be involved in projects that span both front-end and back-end development. This could include building and maintaining user interfaces using frameworks like React or Angular, and working on server-side logic with technologies such as Node.js, Express, or Python-based frameworks. Interns often collaborate closely with designers, senior developers, and QA teams, gaining exposure to version control systems like Git and participating in code reviews. Expect to work in agile environments, where you’ll attend stand-up meetings and contribute to real-world product features, which is excellent for building your portfolio and learning industry best practices.
What are the most commonly searched types of Full Stack Web Development jobs in Saint Louis, MO? The most popular types of Full Stack Web Development jobs in Saint Louis, MO are:
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Full Stack Web Development Intern jobs near you
Infographic showing various Full Stack Web Development Intern job openings in Saint Louis, MO as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $25,331 per year, or $12.2 per hour.

Full Stack Software Engineer

Reinventing Geospatial, Inc. (RGi)

Saint Louis, MO

Full-time

Medical, Dental, Retirement, PTO

Re-posted 17 days ago

Job description

Reinventing Geospatial (RGi) is a leading expert in geospatial solutions for Defense, Intelligence, and Federal clients. We enhance situational awareness for soldiers and analysts by integrating software development with geospatial intelligence. Our projects range from data collection to advanced deep learning, leveraging tools like Python, Java, and ArcGIS.
 
We don't just fill roles we build teams of high performers and leaders who make an immediate impact. At our core, we're driven by innovation and powered by people who work at the intersection of passion and performance. Here, you'll collaborate with bold thinkers, leverage cutting edge technology, and tackle meaningful challenges from day one.
 
Our culture is defined and anchored by three pillars:
 
Energy: We bring passion, purpose, and urgency to our work.
Edge: We take initiative, embrace growth, and step outside our comfort zone.
Execution: We get things done smartly, decisively, and with real results.
 
If you're the kind of person who leads with initiative, thrives in a fast-paced environment, and is eager to create real impact, we want you on our team.
 
Clearance:
Active Top Secret clearance with an ability to obtain SCI access and willingness to obtain CI Polygraph
US Citizenship Required 
 
*This job posting is for a potential upcoming opening, and we encourage interested candidates to apply for future consideration.
As a Full Stack Software Engineer, you will...
  • Develop, deploy, and maintain cloud-based services using AWS Lambda, EC2, and other core AWS services.
  • Write and maintain code in C#, Java, JavaScript/TypeScript, Python, and Shell scripting.
  • Create, document, and manage new and existing functionality in GitLab repositories.
  • Apply DevOps practices and tools to deliver new features within an Agile environment.
  • Participate in Agile ceremonies (standups, sprint planning, increment planning) using Jira and Confluence.
  • Perform system administration and modify existing GOTS code to integrate open-source software solutions into web applications.
  • Design and implement APIs and database integrations that interact with Redux and React frameworks.
  • Integrate open-source packages for data visualization and data filtering.
  • Ensure code quality by applying unit testing and build testing best practices across all development efforts.
  • Collaborate with team members to assess tickets, test functionality, and deliver features that meet User Story Acceptance Criteria.
Full Stack Software Engineer Qualifications...
  • Requires BS degree and 4+ years of prior relevant experience or Masters with 2+ years of prior relevant experience.
  • Must have an active Top Secret to be considered and ability to obtain TS/SCI clearance prior to start and willingness and ability to obtain a Polygraph
  • Minimum 3 years of experience with REACT or modern JavaScript framework.
  • Minimum 3 years of experience with Python, C# development framework
  • At least 3 years of experience with unit testing, continuous integration tools, and Gitlab version control
  • Proactive self-starter demonstrates a positive, willing attitude and excellent oral and written communication skills.
  • Experience in either software development projects or software integration projects in a service-oriented environment (Cloud, SOA, Web-Services) or virtualization environment.
  • Organizational Skills: Can plan and prioritize work. Follows tasks to their logical conclusion and makes sure that everything has been done to the right standard. Good attention to detail.
  • Communications: Ability to communicate clearly and efficiently to team members and clients, verbally and in writing. Able to present ideas in a variety of ways depending upon audience and context.
Additional Skills We'd Like to See:
  • AWS Developer Solutions Mindset
  • At least 3 years of experience with Linux and/or Windows system administration
  • At least 2 years of experience with DoD Aeronautical Datasets
  • At least 1 year of experience with AWS cloud formation templates
  • At least 1 year of experience with Node, NPM, Swashbuckle, REST API, Sass
  • AWS Solutions, Developer, DevOps certification
  • Team Collaboration tools (Jira, Confluence)
  • DOD 8570 Compliant Certification (Sec+)
Who we are:
Reinventing Geospatial, Inc. (RGi) is a fast-paced small business that has the environment and culture of a start-up, with the stability and benefits of a well-established firm. We solve complex problems within geospatial software development and national defense to make an Immediate Impact for our nation's soldiers and analysts.

We pride ourselves on giving employees an exceptional life experience, where creativity thrives, and challenges are simply part of the fun. We provide truly excellent benefits, including:

        100% paid employee healthcare & dental insurance
        Paid parental leave
        401k with matching
        Escalating vacation time
        Referral bonuses
        Tuition reimbursement
        Professional development training
        Free beverages and snacks
        Weekly catered lunches and breakfast on Fridays
 
Grow to be our next leader:
At RGi, fostering a strong and organic corporate culture is paramount and serves as a compass on the decisions we make and how we operate the company. We believe our culture of camaraderie, innovation, and collaboration reflects the caliber of our employees and their dedication to the mission of providing quality software to our customers. As such, we want our employees to feel empowered to seek growth and leadership opportunities within the company and position us to maintain our culture as we grow. RGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company. If this is what you are looking for in a company, then you are what we are looking for in an employee.

Reinventing Geospatial, Inc. is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, sex, national origin, age, veteran status, disability, or any other protected class. U.S. Citizenship is required for all positions.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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