716 developer jobs at 290 companies in Sullivan, MO
1mo
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Senior Developer
Sunset Hills, Missouri, United States
RemoteFull Time
5+ YOE5+ years professional software development, strong SQL and relational DB skills, experience building system integrations (APIs/EDI), ability to work with legacy code, clear communication, and security awareness.
SQL, RPG, IBM i, IBM Power Systems, EDI, X12, REST, JSON, APIs, ERP, Microsoft Azure, AWS
2d
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Software Developer
O'Fallon, Missouri, United States
$45k-$121k/yr OnsiteFull Time
3+ YOERequires 3–5 years of experience developing enterprise Java applications with Spring Boot, REST APIs, Angular, Node.js, microservices, cloud platforms, DevOps, and information security technologies.
Java, Spring Boot, REST APIs, Angular, HTML, CSS, JavaScript, jQuery, Node.js, AWS, Azure, PCF, Kubernetes, CI/CD, Splunk
3w
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Senior Python Developer
Fenton, Missouri, United States
OnsiteFull Time
5+ YOE5+ years software development experience with 3+ years Python; experience with RESTful APIs, databases, cloud platforms, testing, CI/CD, containerization, and mentoring.
Python 3.x, Django, Flask, FastAPI, RESTful APIs, PostgreSQL, MySQL, SQL Server, MongoDB, Redis, Git, GitHub Actions, Jenkins, Docker, Kubernetes, AWS, Azure, GCP, pytest, unittest, TensorFlow, PyTorch, scikit-learn, React, Vue.js, JavaScript
2mo
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Mainframe Developer (Remote)
Chesterfield, Missouri, United States
RemoteFull Time
5+ YOEBachelor's degree in CS/IT, 5+ years COBOL mainframe development experience (Medicaid experience preferred), strong analytical and communication skills, ability to work independently and on teams.
COBOL
3w
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Software Engineer
Chesterfield or Greenwood Village
$85k-$140k/yr HybridFull Time
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
2mo
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Software Engineer II
O'Fallon, Missouri, United States
$92k-$147k/yr OnsiteFull Time
Experience in software development and SDLC, strong Java proficiency, Git and CI/CD experience, familiarity with Agile, degree in CS/Engineering/IT or equivalent experience; experience with decisioning platforms preferred.
Java, Git, CI/CD, Jira, Confluence, Rally, Decision Management Program (DMP)
2w
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Senior NetSuite Engineer
Bourbon, Missouri, United States
OnsiteFull Time
3+ YOEBachelor's or equivalent, 3+ years NetSuite development, strong SuiteScript 2.x and SDF experience, REST/SOAP integrations, JavaScript proficiency, data migration skills, troubleshooting and stakeholder communication.
SuiteScript 1.0, SuiteScript 2.x, SuiteCloud Development Framework (SDF), SuiteTalk, REST, SOAP, JavaScript, Celigo, Boomi, MuleSoft, HTML, CSS, SQL
1mo
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Sr Software Developer - API Integration
Creve Coeur or St. Louis
$110k-$130k/yr HybridFull Time
5+ YOE5+ years software development experience; hands-on Power Apps/Power Automate and Power Platform, REST/JSON API integration, Microsoft Azure, CI/CD and DevOps, Dataverse, Infrastructure as Code, and data mapping; knowledge of data privacy.
Microsoft Power Platform, Power Apps, Power Automate, Dataverse, Microsoft Azure, RESTful APIs, JSON, CI/CD, DevOps, Infrastructure as Code, ServiceNow, RPA, Microsoft SharePoint
1mo
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Software Engineer I
Fenton, Missouri, United States
HybridFull Time
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
1w
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Engineering - Software Engineer
Kentucky or Florida or Arizona or Colorado or Indiana or Missouri or Georgia or Texas or Alabama
OnsiteFull Time
Experience developing web applications with PHP and related frameworks, MySQL, Git, AWS, container tools (Vagrant/Docker), front-end (HTML5,CSS,Less,jQuery), familiarity with Agile; associates or bachelor's degree preferred; occasional travel.
PHP 5, Symfony, Zend, MySQL, Git, Agile, Amazon Web Services, Vagrant, Docker, jQuery, Less, Bootstrap, CSS, HTML 5, Linux Ubuntu, C#, .NET, React .js, node .js, Doctrine Entity Framework
1mo
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Software Developer II - Financials (Full Stack, Front End)
Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
5+ YOE5+ years software development experience; full-stack development with Angular/TypeScript or GWT and Java; experience with RDBMS (Postgres, Oracle), cloud stack (AWS, Kubernetes, Spring Boot, Kafka, Cassandra), Git, automated testing, and Agile tools (Jira, Confluence, Bitbucket, Bamboo).
Angular, TypeScript, GWT, Java, Postgres, Oracle, AWS, Kubernetes, Spring Boot, Kafka, SSO, Cassandra, Git, Jira, Confluence, Bitbucket, Bamboo, Claude Code, Augment, JetBrains Junie, GitHub Copilot, Cursor, OpenAI Codex, Spark, Databricks, .NET, SQL, Microservices
2mo
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Senior Vice President, Developer Enablement
O'Fallon or Arlington or New York City or Purchase
OnsiteFull Time
Senior leadership role overseeing developer enablement and related strategy.
2w
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Software Developer II - Meter Data Management Software (Full Stack, Databricks)
Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
5+ YOE5+ years software development experience; proficiency with Databricks, Delta Lake, Spark, AWS, Java or Scala, data pipelines, and cloud-based full‑stack development.
Databricks, Delta Lake, Spark, Kafka, AWS, S3, Lambda, EC2, EMR, SQS, SNS, CloudWatch, Oracle, Postgres, Cassandra, DynamoDB, Java, Scala, Docker, Kubernetes, JIRA, Confluence, Bitbucket, Bamboo, Python, JavaScript, Bash, Angular, Spring Boot, MDM, SQL, CI/CD
2w
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Java AI Engineer
O'Fallon, Missouri, United States
$90k-$110k/yr OnsiteFull Time
5+ YOE5+ years Java development with Spring Boot, Agentic AI experience, SQL with Oracle/PostgreSQL, REST API, event-driven architecture, CI/CD and Jenkins; Kafka and PCF exposure preferred.
Java, Spring Boot, Agentic AI, SQL, Oracle, PostgreSQL, REST, Event-Driven Architecture, CI/CD, Jenkins, Kafka, Pivotal Cloud Foundry
1mo
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AWS Full Stack Engineer
Springfield or Reston or Arnold
$99k-$225k/yr OnsiteFull Time
5+ YOE5+ years full-stack and enterprise application development; 2+ years AWS and IaC experience; proficiency with React/Vue, backend languages (Java, Python, Go, C++), JavaScript/TypeScript, containerization, and cloud-native patterns; TS/SCI clearance required.
React, Vue, Java, Python, Go, SQL, C++, JavaScript, TypeScript, HTML, CSS, AWS, ECS, Lambda, SQS, SNS, EC2, RDS, DynamoDB, IAM, AWS CDK, Terraform, CloudFormation, Docker, Kubernetes, MongoDB, API Gateway
3w
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Lead Software Engineer
O'Fallon, Missouri, United States
HybridContract
Bachelor's in CS/IS, strong full-stack Java, API, Angular, React skills; experience with Agentic frameworks, MCP and LLM integrations; Qlik Sense and data architecture experience; strong analytical and communication skills.
Java, APIs, Angular, React, Agentic Frameworks, MCP, LLMs, Qlik Sense, Tableau, Power BI, WebFocus, Hadoop, Kafka
2mo
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Senior Software Engineer
O'Fallon, Missouri, United States
$115k-$184k/yr OnsiteFull Time
3+ YOEBachelor's degree or equivalent, 3+ years software engineering experience (financial services preferred); strong software engineering knowledge, secure solution delivery, SDLC experience, and strong communication and mentoring skills.
2mo
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SharePoint Developer
Columbia, Columbia, United States
OnsiteFull Time
Expert in Microsoft 365/SharePoint development; Power Automate, Power Apps, Power BI; PowerShell; UI/UX a plus; NDA; EST hours.
SharePoint, Power Automate, Power Apps, Power BI, PowerShell
1mo
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Lead Software Engineer, Phantom Works
Berkeley or Arlington or Mesa or El Segundo or Colorado Springs or Saint Louis
$198k-$286k/yr OnsiteFull Time
5+ YOEActive Top Secret U.S. clearance and 5+ years leading software architecture, DevSecOps/CI-CD, and Agile delivery for real-time embedded or distributed systems; bachelor’s degree or equivalent.
Git, Jenkins, JIRA, Docker, Kubernetes, AWS GovCloud, Azure Government, Python, Bash, C, C++, MATLAB, Jupyter
1w
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F-15 Mission Systems Software Engineer (Associate, Experienced, & Senior)
Berkeley, Missouri, United States
$99k-$217k/yr OnsiteFull Time
Bachelor's in engineering or related field, ability to obtain U.S. Secret clearance/U.S. Person status, 2+ years with C/C++/C#/Python/Java/Ada and object-oriented development, experience designing architectures and embedded real-time software, Agile and DevOps exposure.
C, C++, C#, Python, Java, Ada, GitLab, Git Bash, Gradle, Jira, Jenkins, Artifactory, RTOS, Agile, SAFe
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