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Software Engineer Internship Jobs in Missouri (NOW HIRING)

Requirements: - Bachelor's degree or Diploma in Computer Science, Engineering, related field, or equivalent work experience. - 3+ years of experience in software development, with proficiency in one ...

This role reports to the Manager of Software Engineering and provides the opportunity to work on multi-region, multi-cloud systems that handle large-scale AI traffic and complex orchestration ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

This role is for a Senior Software Engineer who will contribute to the design, development ... Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty ...

Software Engineer II

Kansas City, MO · Hybrid

$95K - $130K/yr

Join the industry leader as a Software Engineer II to design the next generation of breakthroughs! In Kansas City, Honeywell Federal Manufacturing & Technologies (FM&T) manages and operates the U.S.

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

This role is for a Senior Software Engineer who will contribute to the design, development ... Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty ...

This role drives software engineering excellence by leading architecture and design activities ... Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty ...

Software Engineer II

Kansas City, MO · On-site

$95K - $130K/yr

Overview Join the industry leader as a Software Engineer II to design the next generation of breakthroughs! In Kansas City, Honeywell Federal Manufacturing & Technologies (FM&T) manages and operates ...

Software Engineer II

Kansas City, MO · Hybrid

$95K - $130K/yr

Overview Join the industry leader as a Software Engineer II to design the next generation of breakthroughs! In Kansas City, Honeywell Federal Manufacturing & Technologies (FM&T) manages and operates ...

This role drives software engineering excellence by leading architecture and design activities ... Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty ...

Software Engineer

California, MO · On-site

$110 - $130/hr

Main purpose of the Software Engineer role: This is a full-time role for a candidate who will develop and maintain software services and reporting software used by Finance and Planning teams. Major ...

Software Engineer

Saint Louis, MO · On-site

$100 - $140/hr

Software Engineer (Azure Cloud, Data Engineering & Automation) | Hybrid - St. Louis, MO We are looking for a mid to senior Software Engineer to design, build, and operate backend services, data ...

Title and Summary Software Engineer II Overview The Mastercard Authentication Program owns how ... Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty ...

Software Engineer

O Fallon, MO · On-site

$110 - $140/hr

Moofwd, Inc. has a Software Engineer position in O'Fallon, MO. Key Accountabilities * Plan, design, and develop modern microservice-based solutions using Java and Spring Boot in a cloud-based ...

#Software Engineer

California, MO · On-site

$111 - $167/hr

Job Area Engineering Group, Engineering Group > Software Engineering General Summary This position is not eligible for Qualcomm immigration sponsorship. Responsibilities We are looking for motivated ...

Title and Summary Software Engineer II Overview Who is Mastercard? Mastercard is a global ... Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty ...

Title and Summary Software Engineer II Overview The Mastercard Authentication Program owns how ... Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty ...

Showing results 41-60

Software Engineer Internship information

See Missouri salary details

$12

$23

$36

How much do software engineer internship jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for software engineer internship in Missouri is $23.84, according to ZipRecruiter salary data. Most workers in this role earn between $19.38 and $27.07 per hour, depending on experience, location, and employer.

What is a software engineer internship?

A Software Engineer Internship is a temporary position where students or entry-level professionals gain hands-on experience in software development. Interns typically work on real projects, write code, debug issues, and collaborate with engineering teams. The internship helps develop technical skills, knowledge of software development processes, and familiarity with industry tools. It also provides networking opportunities and can lead to full-time job offers.

What kinds of projects or tasks do software engineer interns typically work on during their internship?

Software Engineer Interns are often assigned to real-world projects that may include developing new features, fixing bugs, writing automated tests, or improving documentation. They usually work as part of a development team under the mentorship of experienced engineers, which allows them to participate in code reviews, agile meetings, and collaborative problem-solving sessions. The exact responsibilities may vary, but interns are regularly exposed to the full software development lifecycle and are encouraged to ask questions and contribute ideas. This hands-on experience not only builds technical skills but also prepares interns for full-time roles after graduation.

What are the key skills and qualifications needed to thrive in the software engineer internship position, and why are they important?

To thrive as a Software Engineer Intern, you need a solid understanding of programming languages (such as Java, Python, or C++), algorithms, data structures, and typically be pursuing or have a degree in computer science or a related field. Familiarity with version control systems like Git, integrated development environments (IDEs), and sometimes issue tracking tools is often expected. Strong problem-solving abilities, a willingness to learn, and effective communication are key soft skills that help interns excel in collaborative environments. These skills ensure interns can contribute meaningfully to technical projects, integrate well with engineering teams, and grow rapidly within the organization.

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

The most popular types of Software Engineer jobs in Missouri are:

What cities in Missouri are hiring for Software Engineer Internship jobs?

Cities in Missouri with the most Software Engineer Internship job openings:

What are popular job titles related to Software Engineer Internship jobs in MO?

For Software Engineer Internship jobs in MO, the most frequently searched job titles are:

Infographic showing various Software Engineer Internship job openings in Missouri as of August 2026, with employment types broken down into 86% Full Time, 12% Part Time, and 2% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $49,589 per year, or $23.8 per hour.

$80K - $90K/yr

Full-time

Re-posted 26 days ago


Harris Computer rating

8.5

Company rating: 8.5 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

80th of 247 rated software companies


Job description

Responsibilities & Duties:
- Write code and contribute to the development of software applications, modules, or components.
- Participate in higher-level aspects of the development process, such as requirements analysis, design, architecture, system integration, testing, and project management.
- Partake in testing code to identify and fix bugs and ensure the quality and reliability of the software.
- Collaborate with other team members, including software architects, designers, and product managers, to ensure alignment with project goals and timelines.

- Proficiency in Java: Deep understanding of Core Java (Java 11/17+), JVM internals, memory management, tuning, and concurrency/multithreading.

- Enterprise Frameworks: Experience with Spring in particular Spring Boot.

- RESTful API Design: Experience designing, building, and securing robust, scalable REST APIs for third-party integrations and internal UI consumption.

- Database Expertise: Proficiency with relational and non-relational databases (e.g., PostgreSQL, MySQL, MongoDB).

- Search Engine Technology: Experience with search and indexing technologies such as Elasticsearch.

- Experience in React, Next.js and Material UI.

- Worked on AI assisted development (e.g. GitHub Copilot, Claude, Cursor or ChatGPT)

- Familiarity with AI directed prompt engineering for developing applications.


Requirements:
- Bachelor's degree or Diploma in Computer Science, Engineering, related field, or equivalent work experience.
- 3+ years of experience in software development, with proficiency in one or more programming languages.
- Understanding of software engineering principles, design patterns, algorithms, and system architecture.
- Familiarity with modern software development tools, frameworks, and methodologies.

Salary range: $80,000 - $90,000 USD per year.


What Harris Computer employees say

Pay

Benefits

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Workplace

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About Harris Computer Systems

Sourced by ZipRecruiter

Harris Computer Systems, based in Ottawa, ON, CA, is an established player in the field of public sector software technology. Since its inception in 1976, the company has been striving to make clients' operations more efficient through reliable, practical, and flexible software solutions. Its extensive portfolio primarily serves utility, healthcare, public sector, and educational institutions, contributing to the betterment of public services through technology. Harris strongly believes in the value of forward-thinking technology and the power it has to drive progress for the public sector. This methodology is entirely in line with their mission to ensure customer success by providing reliable, practical, and robust software solutions.

Industry

Accounting services

Company size

1,001 - 5,000 Employees

Headquarters location

Ottawa, ON, CA

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