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Internship Full Stack Software Developer Jobs in Saint Louis, MO

Boeing

Experienced Software Engineer

Hazelwood, MO · On-site

Design, develop, test, and maintain full stack software solutions that support fleet health ... Mentor junior engineers and contribute to knowledge sharing within the team Basic Qualifications ...

Boeing

Experienced Software Engineer

Hazelwood, MO

Design, develop, test, and maintain full stack software solutions that support fleet health ... Mentor junior engineers and contribute to knowledge sharing within the team Basic Qualifications ...

Boeing

Experienced Software Engineer

Hazelwood, MO · On-site

Design, develop, test, and maintain full stack software solutions that support fleet health ... Mentor junior engineers and contribute to knowledge sharing within the team Basic Qualifications ...

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All JobsFull Stack Software Developer JobsInternship Full Stack Software Developer JobsInternship Full Stack Software Developer Jobs in Saint Louis, MO

Internship Full Stack Software Developer information

See Saint Louis, MO salary details

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$55

$80

How much do internship full stack software developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for internship full stack software developer in Saint Louis, MO is $55.48, according to ZipRecruiter salary data. Most workers in this role earn between $46.15 and $63.89 per hour, depending on experience, location, and employer.

What is an internship full stack software developer?

An Internship Full Stack Software Developer job involves gaining hands-on experience in both front-end and back-end development. Interns collaborate with teams to design, develop, and test web applications using technologies like HTML, CSS, JavaScript, databases, and server-side languages. They learn industry best practices, version control (e.g., Git), and work on real-world projects. This role helps interns build their technical skills and understand the software development lifecycle while contributing to a company's development efforts.

What types of projects or tasks can I expect to work on as a full stack software developer intern?

As a Full Stack Software Developer intern, you can expect to work on a variety of tasks ranging from assisting with website interface updates to building and testing application features on both the front-end and back-end. Common responsibilities may include fixing bugs, writing and reviewing code, collaborating with senior developers, and participating in team meetings or code reviews. You'll likely use popular development tools and communicate regularly with both designers and software engineers to support ongoing projects. This hands-on experience will help you develop practical technical skills and expose you to the collaborative workflows common in modern software teams.

What are the key skills and qualifications needed to thrive as an internship full stack software developer?

To thrive as an Internship Full Stack Software Developer, you need a basic understanding of both front-end and back-end development, familiarity with core programming languages (such as JavaScript, Python, or Java), and enrollment in or completion of a related computer science program. Experience with frameworks like React or Node.js, version control systems like Git, and exposure to databases are typically beneficial. Strong problem-solving skills, eagerness to learn, and effective communication help you collaborate well with diverse teams. These capabilities are important because interns are expected to quickly adapt, contribute to multiple layers of a project, and clearly communicate progress or challenges in a fast-paced environment.

How to get an internship for full stack software developer?

To secure a full stack software developer internship, candidates should build a strong portfolio demonstrating skills in front-end and back-end technologies, such as JavaScript, HTML, CSS, and frameworks like React or Node.js. Gaining experience through personal projects, contributing to open-source, and obtaining relevant certifications can improve chances, along with applying through company career portals or internship programs and preparing for technical interviews. Having a solid understanding of version control systems like Git and good problem-solving skills are also beneficial.

What are the most commonly searched types of Full Stack Software Developer jobs in Saint Louis, MO?

The most popular types of Full Stack Software Developer jobs in Saint Louis, MO are:

What are popular job titles related to Internship Full Stack Software Developer jobs in Saint Louis, MO?

For Internship Full Stack Software Developer jobs in Saint Louis, MO, the most frequently searched job titles are:

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The top searched job categories for Internship Full Stack Software Developer jobs in Saint Louis, MO are:

Internship Full Stack Software Developer jobs near you
Infographic showing various Internship Full Stack Software Developer job openings in Saint Louis, MO as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 10% Part Time, and 4% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $115,404 per year, or $55.5 per hour.

Full Stack Developer 729

Freedom Technology Solutions Group

Saint Louis, MO • On-site

Full-time

Medical, Life, Retirement, PTO

Re-posted 12 hours ago

Job description

Freedom Technology Solutions Group is seeking a Full Stack Software Engineer to develop modern cloud-native applications supporting mission-critical intelligence and geospatial platforms. You will design, develop, and maintain user interfaces, APIs, backend services, and cloud-native microservices that enable analysts and mission partners to securely discover, process, and exploit geospatial data.
This is a hands-on software engineering role working across the full technology stack from responsive web applications to scalable backend services and cloud infrastructure.
Responsibilities:
  • A
  • Design and develop modern web applications
  • Develop RESTful APIs and backend services
  • Build cloud-native microservices
  • Develop responsive user interfaces
  • Integrate with geospatial services and enterprise APIs
  • Build automated testing pipelines
  • Participate in Agile development
  • Support CI/CD deployments
  • Optimize application performance
  • Troubleshoot production systems
  • Collaborate with architects, data scientists, and mission stakeholders to gather, document, and refine customer requirements, including data mapping and integration needs
  • Assist in implementing integration solutions in collaboration with development team members
  • Facilitate communication between stakeholders to ensure timely and effective requirements execution
  • Ensure activities align with established processes, standards, and mission objectives
  • Contribute to documentation of processes, procedures, integration patterns, and lessons learned

Key Technologies:
  • Familiarity with backend systems and integration concepts (APIs, data mapping, file-based transfers)
  • Experience with AWS services (S3, Lambda, SQS, SNS, ECS, ECR, EKS, API Gateway, Cloudwatch, KMS)
  • Familiarity with CI/CD pipelines (GitLab CI/CD or similar)
  • Understanding of containerized and serverless environments
  • Familiarity with data transfer and file processing concepts
  • Familiarity with dashboards, metrics, and operational visibility tools
  • Understanding of secure data handling and access control concepts (IAM, least privilege)

Frontend
  • JavaScript - React, Angular, HTML5, CSS3

DevOps
  • Docker, Podman, Kubernetes
  • GitLab, Harbor
  • CloudFormation, CDK, Terraform, other IaaC
  • Linux

Backend
  • Auroa, PostgreSQL/PostGIS, Oracle (w/spatial)
  • KVS - Redis, Memcache, Elasticache
  • GDAL/OGR etc.
  • Other storage tech (s3, NFS, CIFS, SAMBA, NAS, SAN, DAS, etc)

Required Qualifications:
  • Active TS/SCI clearance (eligible for CI Poly)
  • 1-3(Junior), 3-7(Journeyman), 8-11 (Senior), >12 (Principal) years of experience in software development, system integration, or technical support roles
  • Experience working directly with customers or stakeholders in a technical or mission environment
  • Strong communication and coordination skills across technical and non-technical teams
  • Experience gathering and documenting requirements
  • Ability to manage multiple tasks and priorities in a dynamic environment
  • Familiarity with Agile development practices
  • Experience using GitLab or similar tools for collaboration and tracking

Desired Qualifications:
  • Familiarity secure data movement environments
  • Experience working with enterprise service processes such as Service+
  • Development or scripting experience (Python, JavaScript, or similar)
  • Experience with data mapping or integration workflows (using JSON or other object notation)
  • Familiarity with operational dashboards and metrics reporting
  • Experience supporting customer requirement implementation and/or system integration efforts
  • Experience building cloud-native applications
  • Experience with microservices
  • Experience with geospatial applications
  • Experience with mapping frameworks
  • Experience with GDAL or geospatial libraries
  • Experience supporting Intelligence Community customers

What's in It for You?
Flexible work environment
A team mentality - work with friendly, like-minded professionals
Work with innovative, cutting edge technologies
Enjoy extremely competitive compensation and benefits
A work-life balance you can count on
Opportunities to grow and advance your career on our dime
The Benefits You Get with Freedom
Amazing benefits including matching 401k, fully paid medical, and more
Generous paid time off - including paid site closure days
Competitive salary offerings
Paid training and tuition reimbursement
Referral bonuses
Fully paid life and disability
Annual logo wear allowance
Company sponsored events (game nights, holiday party, summer party, happy hours)
Interested in learning more about Freedom and our culture? Contact us today! We're constantly hosting hiring events in our office and elsewhere, to help you get a sense of what life is like at Freedom before joining the team.
As an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability or veteran status
Applicant Federal & E-Verify Postings
VEVRAA Federal Contractor
Accessibility: If you need an accommodation as part of the employment process, please contact Human Resources at
Phone: 410-290-9035
Email: recruiting@goftsg.com
Equal Opportunity Employer, including disabled and veterans.
If you want to view the EEO Law poster, please choose your language: English - Spanish - Arabic - Chinese
If you want to view the EEO Law Supplement poster, please choose your language: English - Spanish - Chinese
If you want to view the Pay Transparency Policy Statement, please click the link: English

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