93 development engineer jobs at 43 companies in Sullivan, MO
2w
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Licensed Professional Engineer (Civil Site Development)
Wentzville, Missouri, United States
OnsiteFull Time
7+ YOEPE preferred or on track within 12 months, Bachelor\u0002s in Civil Engineering, 7+ years civil site development experience, proficient in AutoCAD Civil 3D and Microsoft Office, strong communication skills.
AutoCAD Civil 3D, Microsoft Office Suite
3mo
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Software Development Engineer in Test (SDET) II
O’Fallon, Missouri, United States
$92k-$147k/yr HybridFull Time
SDET with experience building functional, integration, and UAT test strategies for high-throughput systems. Linux, shell scripting, and programming in C/C++ or Java. Git experience. Bachelor’s in CS/SE/IT/Math. Strong communication.
Linux, Shell scripting, C, C++, Java, Git
3w
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Test Engineer
High Ridge, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's in engineering and 5+ years testing/calibration experience with high-voltage electrical measurement systems, ISO 17025 compliance, test method development, and technical reporting.
Solidworks
2w
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Manufacturing Engineer
Wentzville, Missouri, United States
OnsiteFull Time
7+ YOE7+ years manufacturing engineering experience in automotive assembly; expertise in process development, PFMEA, tooling, capital equipment, lean methods, CAD review, and training for production launches.
Microsoft Word, Microsoft Excel, Microsoft Project, Microsoft PowerPoint, AutoCAD LT
3w
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Test Engineer
High Ridge, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's in Mechanical or Electrical Engineering and 5+ years testing/calibration experience with high-voltage electrical measurement systems; ISO 17025 experience; ability to develop procedures and ensure compliance.
Solidworks
1d
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Project Engineer
Chesterfield, Missouri, United States
OnsiteFull Time
Bachelor's degree in engineering with graduation expected in December 2026 or May 2027; interest in transmission development, strong communication, analytical problem-solving, attention to detail, and independent work skills.
PLS-CADD
1mo
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Mechanical Engineer III
Kirkwood, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's in Mechanical Engineering or equivalent experience,5+ years product development in regulated or electro-mechanical environments,SolidWorks/Autodesk Inventor proficiency,design control and regulatory knowledge,excellent communication.
SolidWorks, Autodesk Inventor, Microsoft Office Suite
1w
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Civil Engineer (Cost)
Corona or Sacramento or Colorado Springs or Denver or Lakewood or Jacksonville or Chicago or Rock Island or Louisville or Detroit or Saint Paul or Kansas City or Saint Louis County or Vicksburg or Omaha or Buffalo or Cincinnati or Portland or Philadelphia County or Pittsburgh or Memphis or Nashville or Galveston or Seattle or Walla Walla or Hinton or Huntington
$106k-$191k/yr OnsiteFull Time
5+ YOEExperience developing cost estimates, schedules, and cost/schedule risk analyses for large civil works or dam safety projects; bachelor's in engineering (ABET) or equivalent, or licensure/FE/EIT; leadership and technical review experience required for GS-14.
1mo
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Senior Engineer - (Civil / Geotech)
Chesterfield, Missouri, United States
OnsiteFull Time
7+ YOEBachelor's in geology, geological/civil/environmental engineering; Missouri or Illinois professional registration (PE or PG); 7+ years relevant environmental consulting experience; valid U.S. driver’s license; leadership, project management, and client development experience.
1mo
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F-15 Program Senior Radar Engineer
Berkeley, Missouri, United States
$137k-$185k/yr OnsiteFull Time
9+ YOEBachelor's degree in engineering or related field,9+ years related experience or equivalent,ability to obtain U.S. Secret security clearance,experience with avionics/electronics development,CAM/EVM and supplier oversight preferred.
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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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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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.
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
2w
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Director - Software/ AI Native Engineer
O'Fallon, Missouri, United States
$175k-$180k/yr OnsiteFull Time
8+ YOEBachelor's required; 8+ years experience; deep expertise in cloud-native architecture, microservices, API management, AWS, AI-assisted development and AI governance.
GitHub Copilot, Claude Code CLI, AI Foundry, Bedrock, OpenAI, Anthropic, Model Context Protocol (MCP), AWS
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
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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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
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