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Software Engineer Software Developer Jobs in Saint Peters, MO

Leidos

Software Developer

Saint Louis, MO

$107K - $195K/yr

The Leidos Spatial Solutions Division has an exciting opportunity for an experienced Software Developer to help enable NGA's Geospatial Intelligence (GEOINT) mission collecting sciences, technology ...

ITW Avery Weigh-Tronix

Embedded Software Engineer

MO · On-site

$123K - $162K/yr

The Embedded Software Engineer is responsible for the design, development, testing, and support of embedded software solutions for both existing and new products, including new hardware bring-up, low ...

Biomerieux

Sr. Software Engineer

Hazelwood, MO · On-site

$113K - $149K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

Biomerieux

Sr. Software Engineer

Hazelwood, MO · On-site

$113K - $149K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

Biomerieux

Sr. Software Engineer

Hazelwood, MO · On-site

$113K - $149K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

BioFire Diagnostics

Sr. Software Engineer

Hazelwood, MO

$115K - $152K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

bioMerieux

Sr. Software Engineer

Hazelwood, MO · On-site

$115K - $152K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

bioMérieux

Sr. Software Engineer

Hazelwood, MO · On-site

$115K - $152K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

Judge Group, Inc.

Software Engineer-Embedded 4

Hazelwood, MO · On-site

$121K - $159K/yr

... DevOps & DevSecOps - 9+ years' experience developing and deploying C++ software for embedded applications - This position requires the ability to obtain clearances for Special Access Programs If you ...

Mastercard, Inc.

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 ... DevOps engineers, product owners, and program teams to understand requirements and deliver ...

MasterCard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Collaborate with software engineers, architects ... DevOps engineers, product owners, and program teams to understand requirements and deliver ...

MiTek, Inc.

Software Engineer

Chesterfield, MO · On-site

$85K - $140K/yr

Experience with Azure DevOps, build/release pipelines, CI/CD, or automated deployment practices ... Today, MiTek delivers software, services, engineered products, and automated solutions that enable ...

Boeing

Software Engineer

Maryland Heights, MO

Experience with Agile project tracking tools like Jira, Jira Align or Azure Devops * Experience with unit testing, integration testing, and system-level validation in complex software environments

Boeing

Software Engineer

Maryland Heights, MO · On-site

Experience with Agile project tracking tools like Jira, Jira Align or Azure Devops * Experience with unit testing, integration testing, and system-level validation in complex software environments

Boeing

Software Engineer

Hazelwood, MO · On-site

$105K - $147K/yr

Software Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company, brings over 30 ... Azure DevOps Pipelines or other CI/CD tools * Microservices or RESTful APIs * Agile experience

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All JobsSoftware Engineer Software Developer JobsSoftware Engineer Software Developer Jobs in Saint Peters, MO

Software Engineer Software Developer information

See Saint Peters, MO salary details

$45.9K

$106.9K

$158.7K

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

As of Aug 17, 2026, the average yearly pay for software engineer software developer in Saint Peters, MO is $106,942.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,100.00 and $124,300.00 per year, depending on experience, location, and employer.

What is a software engineer software developer?

Software engineers and software developers are professionals who design, create, test, and maintain computer software. While the terms are often used interchangeably, software engineers typically focus on applying engineering principles to the entire software development process, including system architecture and design. Software developers are more focused on writing code and building applications based on specific requirements. Both roles require strong problem-solving skills, knowledge of programming languages, and collaboration with other team members. Their work enables the technology and applications we use every day.

What are the key skills and qualifications needed to thrive as a software engineer software developer?

To thrive as a Software Engineer or Software Developer, you need strong programming skills, problem-solving abilities, and a solid understanding of computer science principles, often supported by a degree in computer science or a related field. Familiarity with languages like Python, Java, or C++, version control systems like Git, and experience with development frameworks and cloud platforms are commonly required. Excellent teamwork, communication skills, and adaptability help you collaborate effectively and respond to evolving project needs. These skills and qualities are crucial for building reliable, scalable software and successfully contributing to dynamic development teams.

How do software engineers typically collaborate with product managers and designers during the development process?

Software engineers frequently work closely with product managers and designers to ensure that technical solutions align with user needs and business goals. This collaboration often involves participating in regular meetings such as sprint planning, design reviews, and daily stand-ups to clarify requirements, discuss feasibility, and provide feedback. Engineers contribute technical insights early in the process, help identify potential challenges, and iterate on features based on cross-functional input. Effective communication and teamwork are essential for delivering high-quality software on schedule.

What is the difference between Software Engineer Software Developer vs Software Engineer Software Developer?

AspectSoftware Engineer Software Developer

Both roles often require similar skills, including programming, problem-solving, and understanding software development lifecycle. They typically work in similar environments such as tech companies, startups, or IT departments. Employers often use these titles interchangeably, and candidates search for both when exploring opportunities. The main difference is that 'Software Engineer' may imply a broader scope or more emphasis on engineering principles, but in many contexts, they are considered equivalent roles.

What cities near Saint Peters, MO are hiring for Software Engineer Software Developer jobs?

Cities near Saint Peters, MO with the most Software Engineer Software Developer job openings:

Software Engineer Software Developer jobs near you
Infographic showing various Software Engineer Software Developer job openings in Saint Peters, 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 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $106,942 per year, or $51.4 per hour.

Software Developer

Leidos

Saint Louis, MO

$107K - $195K/yr

Full-time

Re-posted 14 days ago

Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 152 frontline employees who took The Breakroom Quiz

79th of 492 rated business services

Job description

Job Description

The Leidos Spatial Solutions Division has an exciting opportunity for an experienced Software Developer to help enable NGA's Geospatial Intelligence (GEOINT) mission collecting sciences, technology and tradecraft measuring and modeling the Globe to provide three-dimensional accuracy of every point in, on, or above the Earth.

Primary Responsibilities

Primary responsibilities will involve coding, developing, integrating, and debugging software artifacts; writing validation tests against existing baselines to ensure integrity of the code during Agile development efforts; assisting with unit testing; programming; and developing in Python, Java Spring, or other frameworks. Other tasks as assigned.

Basic Qualifications

  • Typically requires a BS in Information Systems, Information Technology, Computer Science or closely related discipline and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience.

  • Must possess an active Top Secret Security Clearance with SCI eligibility, and ability to obtain a Polygraph after hire

  • Must be a U.S. Citizen

  • Proactive self-starter demonstrating a positive, willing attitude and excellent oral and written communication skills.

  • Proficient in software development projects or software integration projects in a service-oriented environment (Cloud, SOA, Web-Services).

  • Experience with GNU based compilers

  • Experience programming in C++, Java, Typescript, and Bash

  • Experience developing in the following frameworks: Spring/Gradle/OpenJDK, React/Node

  • Demonstrated hands-on experience with relational and non-relational database systems such as Amazon RDS, Postgres

  • Strong experience coding in Python

  • Experience using GitLab for version control, CI/CD pipelines, and resource management

  • Experience using Docker to package and run applications

  • Experience with Web-related protocols and technologies, such as web servers, HTTP, SSL

  • Familiar with AWS/Cloud technologies

  • Strong communication skills both verbal and written.

  • Team Collaboration tools (Jira, Confluence)

Preferred Qualifications

  • AWS certifications

  • Linux certifications

  • Experience with ArcGIS or geospatial technologies

#NSBA

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:August 12, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

What Leidos employees say

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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