HiringCafe
Join our community

602 junior software jobs at 272 companies in Saint Peters, MO

1d
Save
Mark Applied
Hide
Junior Software Developer
St. Louis or Illinois or United States or Europe or South America or Asia
$60k-$65k/yr OnsiteFull Time
Interco
Interco: Recycles nonferrous metals, electronics, and batteries for global markets.
Bachelor's degree in computer science, software engineering, or related field; JavaScript, React.js, HTML, CSS, RESTful APIs, PostgreSQL, Git, and Figma experience required.
JavaScript, React.js, HTML, CSS, RESTful APIs, PostgreSQL, CI/CD, FastAPI, Git, Figma, Angular, Vue.js, HTML5, CSS3
Job PostingView all
1mo
Save
Mark Applied
Hide
Junior Software Engineer
Denver or Springfield or Sterling or St. Louis
$69k-$142k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
0+ YOEBachelor's in CS or related, 0–3 years software development experience, Java and/or Python, web app and relational DB familiarity, Agile/SDLC knowledge, strong problem solving, TS/SCI clearance with polygraph.
Java, Python, GIS, ArcGIS, GeoServer, OpenLayers, Cesium
Job PostingView all
1mo
Save
Mark Applied
Hide
Junior Software Engineer
Denver or St. Louis or Sterling or Springfield
$69k-$142k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
0+ YOEBachelor's in CS/Software/IS required; 0–3 years software development experience; experience with Java and/or Python; familiarity with web development, relational databases, SDLC/Agile; TS/SCI clearance with polygraph; up to 10% travel.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium
Job PostingView all
4w
Save
Mark Applied
Hide
Software Engineer
Chesterfield or Greenwood Village
$85k-$140k/yr HybridFull Time
MiTek
MiTekNYSE: BRK-B: Provides software and automation for the building industry.
2+ YOEBachelor's in CS or related, 2+ years software development experience, experience with C#/.NET, SQL Server, web fundamentals, Git, testing, and strong communication and problem-solving skills.
C#, .NET, SQL Server, HTML, CSS, JavaScript, Git, TypeScript, Angular, React, REST APIs, Azure DevOps, Azure, AWS, Application Insights, DataDog
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineer Co-Op
St. Louis, Missouri, United States
OnsitePart Time, Internship
Nidec
NidecTokyo Stock Exchange: 6594: Manufactures electric motors and electronic components for industrial applications.
Currently enrolled in a bachelor's program in software engineering, computer science, or similar; available 25–29 hours/week while attending school; support testing, development, assembly, and lab activities for software controls.
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineer - Intermediate
St. Louis, Missouri, United States
HybridFull Time
Equifax
EquifaxNew York Stock Exchange: EFX: Provides consumer credit reporting and data analytics services globally.
2+ YOEBachelor's degree or equivalent, 2+ years software development experience with Java, Python, and JavaScript; experience with cloud (GCP/AWS/Azure), build tools (Maven/Gradle), frontend (HTML/CSS), CI/CD, and AI-assisted coding tools (e.g., GitHub Copilot).
GitHub Copilot, Java, Python, JavaScript, Maven, Gradle, HTML, CSS, JUnit, Git, GitHub, Jenkins, Atlassian, Java 17, Spring Boot, GCP, AWS, Azure, CI/CD, Microservices, Data Fabric, CSA Toolset
Job PostingView all
1w
Save
Mark Applied
Hide
Embedded Software Engineer Intern
Bridgeton or St. Louis
$41k-$53k/yr OnsiteInternship
Leonardo DRS
Leonardo DRSNASDAQ: DRS: Manufactures advanced electronic systems for defense and military applications.
High school diploma or GED and current junior-level or above enrollment in a bachelor's program; basic knowledge of C, C++, C#, Java, Python, git, operating systems, and Microsoft Office.
C, C++, C#, Java, Python, git, MATLAB, Simulink, Windows, Linux, Microsoft Office
Job PostingView all
3mo
Save
Mark Applied
Hide
Software Engineer II
O'Fallon, Missouri, United States
OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
0+ YOEBachelor's degree in computing or related field; foundational software engineering knowledge; Java proficiency; Agile practices; strong problem solving and communication.
Java, Git, Agile, Testing
Job PostingView all
1d
Save
Mark Applied
Hide
Associate Embedded Software Engineer
Hazelwood or Berkeley or Saint Louis
$99k-$135k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures commercial airplanes, defense systems, and space technology.
2+ YOEBachelor's degree and 2+ years developing software or embedded systems. Experience with C/C++, Agile development, and ability to obtain U.S. Secret clearance and meet U.S. Person export requirements.
C, C++, Linux, Docker, Kubernetes, JIRA, Git, MSOSA, Cameo, GitLab, Ansible, Artifactory, UML, SysML, CI/CD, AI
Job PostingView all
1mo
Save
Mark Applied
Hide
Software Development Engineer I
St. Louis, Missouri, United States
$76k-$129k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
1+ YOE1+ years JavaScript/TypeScript experience, bachelor's in CS/Math/GIS/STEM, strong OOP and software methodology knowledge, ability to maintain US security clearance, Python experience for geoprocessing preferred.
JavaScript, TypeScript, Python, HTML, CSS, Swift, Kotlin, ReactJS, Vue, Svelte, GIS, REST Web services, SQL, SQL Server, PostgreSQL, Oracle
Job PostingView all
2mo
Save
Mark Applied
Hide
Associate Software Engineer
Hazelwood, Missouri, United States
$82k-$105k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
1+ YOEBachelor's degree, active U.S. Secret clearance, DoD 8140 foundational qualifications, 1+ year experience with VB/C#/ .NET and SQL, EMR not required. Ability to obtain TS/SCI; strong analytical and communication skills.
VB, C#, .NET, .NET Framework, SQL, WinForms, SOAP, REST, Windows 10/11, Windows Server, Azure DevOps, Jira, Azure DevOps Pipelines, CI/CD, xUnit, jUnit, nUnit, MS Test, C++
Job PostingView all
2mo
Save
Mark Applied
Hide
Associate Software Engineer
Hazelwood, Missouri, United States
$82k-$105k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
1+ YOEBachelor's degree, active U.S. Secret clearance (U.S. citizenship required), DoD 8140 foundational qualifications, 1+ years experience with VB/C#/ .NET and SQL; familiarity with EM/CI-CD, web services, and Windows environments.
VB, C#, .NET, .NET Framework, .NET Framework (WinForms), SQL, SOAP, REST, Microsoft Windows 10, Microsoft Windows 11, Microsoft Windows Server, Microsoft Azure DevOps, Microsoft Azure DevOps Pipelines, Jira, xUnit, jUnit, nUnit, MS Test, C++, Agile
Job PostingView all
2mo
Save
Mark Applied
Hide
Software Engineer - Intermediate
St. Louis, Missouri, United States
HybridFull Time
Equifax
EquifaxNYSE: EFX: Global provider of credit reporting and data analytics solutions.
2+ YOEBachelor's degree or equivalent experience; 2+ years with Java, Python, JavaScript, build tools, web development, testing, and cloud technology. AI-assisted development experience required.
Java, Python, JavaScript, Maven, Gradle, HTML, CSS, GCP, AWS, Azure, Git, GitHub, JUnit, Jenkins, Spring Boot, GitHub Copilot, Data Fabric, CSA Toolset, Atlassian
Job PostingView all
1mo
Save
Mark Applied
Hide
Software Engineer I
Fenton, Missouri, United States
HybridFull Time
Maritz
Maritz: Provides business incentive, event, and loyalty management solutions.
1+ YOE1-2 years relevant experience or equivalent practical experience; knowledge of web frameworks, OOP, REST services, databases, basic cloud (AWS/GCP/OCI), secure coding, and AI-assisted development tools.
GitHub Copilot, Claude, AWS, GCP, OCI, REST
Job PostingView all
1d
Save
Mark Applied
Hide
Technology Development Program (TECDP) - Software Engineering Track
Bloomfield or Bloomington or Austin or Morris Plains or St. Louis
$72k-$121k/yr HybridFull Time
The Cigna Group
The Cigna GroupNYSE: CI: Provides health insurance and pharmacy benefit management services.
Completed Cigna internship; bachelor's or master's degree in a technical program; coding experience with Python, JavaScript, SQL, or other languages; interest in AI and software development.
Python, JavaScript, SQL
Job PostingView all
2w
Save
Mark Applied
Hide
Software Engineer
Hazelwood, Missouri, United States
OnsiteFull Time
FlightSafety International
FlightSafety International: Professional aviation training and flight simulator manufacturing services.
2+ YOEBachelor's in CS/CE/Applied Math,2+ years software engineering experience,proficiency in C#,system-level debugging,strong math/geometry skills,ability to obtain U.S. person/export eligibility and possibly security clearance.
C#, Microsoft Visual Studio, MATLAB, PowerShell
Job PostingView all
1mo
Save
Mark Applied
Hide
Software Engineer 1 (Backend UI and AI)
Earth City, Missouri, United States
$86k-$102k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
2+ YOE2–3 years experience, bachelor’s degree or equivalent, proficiency with ReactJS/Next.js/JavaScript/Node.js, frontend state management, CI/CD and DevOps practices, strong communication and problem-solving skills.
ReactJS, Next.js, JavaScript, Node.js, GraphQL, Apollo Client, Axios, Redux, Context API, HTML5, CSS3, SCSS, Styled Components, Webpack, Babel, NPM, JWT, Jenkins, CloudBees, Git, Azure DevOps/TFS, WCAG/ADA Compliance Tools
Job PostingView all
1mo
Save
Mark Applied
Hide
Software Tester 2-3 (Associate/Mid-Level)
Swansea, Illinois, United States
HybridFull Time
UNCOMN
UNCOMN: A technology delivering secure solutions and quality engineering to support public and private sector operations.
2+ YOE2+ years related experience; strong SDLC knowledge; automation and manual testing across function, system, performance, and regression; excellent communication and time-management; eligible for Secret clearance.
SoapUI, Jira, TestComplete
Job PostingView all
1mo
Save
Mark Applied
Hide
SDC Java Software Developer---Staff/Analyst---St. Louis (St. Louis, MO, US, 63105)
St. Louis, Missouri, United States
$55k-$113k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
1+ YOEBachelor's in CS or related, 1+ year software development experience, backend (Java/Python/Node.js), REST/APIs, cloud (AWS/Azure), microservices, frontend (React/Angular), CI/CD, Git, testing/TDD/BDD; willing to travel up to 50%.
Java, Python, Node.js, REST, NoSQL, Microservices, Serverless, AWS, Azure, React, Angular, Akka, Scala, Kafka, RabbitMQ, ElasticSearch, Hadoop, Spark, Flume, Mongo, Cassandra, Git, CI/CD, TDD, BDD, IaaS, PaaS
Job PostingView all
1mo
Save
Mark Applied
Hide
Intermediate Software Developer
Scott Air Force Base, Illinois, United States
$100k-$105k/yr HybridFull Time
DecisionPoint
DecisionPoint: Provides IT and cybersecurity services for federal government agencies.
2+ YOEAbility to obtain Secret clearance, Associates degree with 2+ years experience, Security+ required, experience with .NET/C#/C++, cloud, unit testing with Moq/NSubstitute, Agile, and DevOps collaboration.
Moq, NSubstitute, .NET Framework, .NET, C#, C++, Oracle, AWS EC2, Java
Job PostingView all

Explore Jobs

Expand Your Job Search