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Per Diem Software Engineer Jobs in Missouri (NOW HIRING)

Software Engineer

Louisiana, MO · On-site

$80K - $90K/yr

... software engineering principles, design patterns, algorithms, and system architecture ... Salary range: $80,000 - $90,000 USD per year.

Consultant Software Engineer Client: NAIC (National Association of Insurance Commissioners ... Remote (All candidates must reside within 100 miles of Kansas City) Hours: 37.5 hrs/week Note: An ...

LRS Consulting is on the hunt for a Software Engineer responsible for building platform ... The base range for this direct hire position is $160,000 - $185,000 per year, depending on ...

Title and Summary Lead Software Engineer Overview: Mastercard's Global Credit Authorization team is ... This is a hybrid position based in O'Fallon, MO, requiring three days per week onsite. Role: Design ...

This is a hybrid position based in O'Fallon, MO, requiring three days per week onsite. Role: • ... Software Engineering, Information Technology, Mathematics, or a related field; equivalent practical ...

Title and Summary Software Engineer II Overview: Mastercard's Global Credit Authorization team is ... This is a hybrid position based in O'Fallon, MO, with an expectation of three days per week onsite.

Senior Software Engineer

California, MO · On-site

$131.25 - $175/hr

Senior Software Engineer**WME is building the next generation of internal platforms that power one ... Per local requirements and in the interest of transparency, the rate shown below reflects the ...

New

$91K - $124K/yr

This is a hybrid position based in O'Fallon, MO, with an expectation of three days per week onsite ... software that meets Mastercard's engineering and security standards. • Deliver user stories ...

The Software Engineer will work with colleagues to deliver reliable and scalable applications that ... Salary Range: $70,000 - $80,000 USD per year.

$114K - $151K/yr

... requests per second, P95 and P99 response latency, query performance, concurrency, and system ... You • Strong software engineering experience writing applications using Java Spring Boot ...

Senior Software Engineer

O Fallon, MO · On-site +1

$114K - $151K/yr

... requests per second, P95 and P99 response latency, query performance, concurrency, and system ... software engineering experience writing applications using Java Spring Boot framework Strong ...

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Showing results 1-20

Per Diem Software Engineer information

See Missouri salary details

$59.6K

$138.4K

$192.8K

How much do per diem software engineer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for per diem software engineer in Missouri is $138,378.00, according to ZipRecruiter salary data. Most workers in this role earn between $112,600.00 and $162,300.00 per year, depending on experience, location, and employer.

What is the difference between Per Diem Software Engineer vs Contract Software Engineer?

AspectPer Diem Software EngineerContract Software Engineer
CredentialsTypically requires a bachelor's degree in CS or related fieldSimilar educational requirements, often with specific technical skills
Work EnvironmentTemporary, short-term assignments often on-site or remoteProject-based, short to medium-term engagements, on-site or remote
Employer UsageUsed by government agencies, hospitals, or large organizations for temporary staffingCommon in tech firms, consulting agencies, and startups for project needs

Per Diem Software Engineers and Contract Software Engineers both work on temporary assignments, often requiring similar skills and credentials. The main difference lies in their typical employment arrangements and usage by different organizations. Per Diem roles are often associated with government or healthcare sectors, while Contract roles are prevalent in tech and consulting industries.

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 Per Diem Software Engineer jobs? Cities in Missouri with the most Per Diem Software Engineer job openings:
Infographic showing various Per Diem Software Engineer job openings in Missouri as of June 2026, with employment types broken down into 2% As Needed, 80% Full Time, 1% Part Time, and 17% Contract. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $138,378 per year, or $66.5 per hour.

Software Engineer

Harris

Louisiana, MO • On-site

$80K - $90K/yr

Full-time

Posted 28 days ago


Harris Computer rating

8.5

Company rating: 8.5 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

78th of 242 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

Hours and flexibility

Workplace

Get the full story on Breakroom


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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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