96 software design engineer jobs at 47 companies in Hazelwood, MO
2d
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Mechanical Design Engineer
Festus, Missouri, United States
OnsiteFull Time
Mechanical engineering degree strongly preferred; SolidWorks or related 3D design software, Microsoft Office, engineering principles, communication, organization, teamwork, and reliable attendance required.
SolidWorks, Microsoft Office
2mo
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Experienced Substation Design Engineer
Saint Louis, Missouri, United States
HybridFull Time
3+ YOEBachelor's in Electrical Engineering; 3-5 years in electrical engineering for power transmission/distribution; knowledge of HV substations; experience with design software; strong communication and safety practices.
CADD, Aspen, CAPE, ETAP, AutoCAD Electrical
2mo
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Software Engineer
Chesterfield, Missouri, United States
HybridFull Time
4+ YOEDesign, build, and evolve software solutions; .NET/C#, SQL Server; React/Angular; Agile; AI tooling.
.NET, C#, React, Angular, SQL Server, Microsoft Azure, Entity Framework, Typescript, RabbitMQ, MassTransit, SonarQube, GitHub Copilot
2mo
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C++ Software Engineer
St. Louis, Missouri, United States
OnsiteFull Time
2+ YOE2+ years C++ experience; OO design; full software life cycle; team collaboration; test-driven development.
C++, Linux, Python, Unix shell, JavaScript, Node.js
3mo
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Lead Software Engineer
O'Fallon, Missouri, United States
$140k-$231k/yr OnsiteFull Time
Lead software design and architecture; build internal developer platforms; ensure secure, scalable, and high-performance software.
React, TypeScript, Backstage, AWS, Kubernetes, Terraform, CloudFormation, Splunk, CI/CD
2w
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Staff Software Engineer
St. Louis or Burlington
$111k-$166k/yr HybridFull Time
3+ YOEBachelor's in CS/Engineering/Data Science, 3+ years in ML/data/search systems, strong Python, backend and data engineering experience, SQL, cloud (GCP/AWS), and production ML/LLM system design.
Python, REST API, Pandas, NumPy, MLFlow, TensorFlow, PyTorch, Scikit-learn, AWS Services, GCP, Kubernetes, Bedrock, Kafka, LangGraph, LangChain, AirFlow, Qdrant, Docker, Git, CI/CD, SQL
1mo
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Software Systems Engineer
Hazelwood, Missouri, United States
$135k-$165k/yr OnsiteFull Time
Bachelor's degree required; active U.S. Secret clearance with ability to obtain TS/SCI; DoD 8140 foundational qualifications; experience with MBSE (Cameo, Catia Magic, DoDAF), .Net Framework, SysML/UML, DoD contract requirements, system architecture, software design and testing.
Cameo System Modeler, Catia Magic System of Systems, DoDAF, .Net Framework, sysML, UML, Subversion, Azure DevOps, Git
1mo
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Ruby Software Engineer III
Saint Louis, Missouri, United States
HybridFull Time
3+ YOE3-5 years Ruby on Rails experience, strong REST API design, PostgreSQL and Git experience, TDD with RSpec/Minitest, strong communication and collaboration skills, comfortable in Agile/Scrum.
Ruby, Ruby on Rails, PostgreSQL, Git, RSpec, Minitest, JavaScript, React, Vue, Sidekiq, Delayed Job, Docker, CI/CD, Scrum
2mo
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Software Development Engineer II- Back End
Redlands or St. Louis or Vienna
$97k-$162k/yr OnsiteFull Time
2+ YOE2+ years backend engineering experience; professional experience with Python, Node.js/JavaScript, and Java; experience with ArcGIS Enterprise, containerization (Docker/Kubernetes), API design, and Top Secret/SCI clearance required; Bachelor's in STEM.
Python, Node.js, Java, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL, PostGIS, SQL Server
4w
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Mid Software Engineer (SFA)
Saint Louis, Missouri, United States
OnsiteFull Time
5+ YOE5-7 years software development experience; proficiency in Python/Java/C#/Javascript; experience translating requirements, design, testing, deployment, database design, code reviews, and system integration. Active TS/SCI clearance and US citizenship required.
Python, Java, C#, Javascript
1mo
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Senior Software Engineer - GoLang and Python
St. Louis or Missouri or Minnesota or Nebraska or Kansas or Iowa
$88k-$157k/yr OnsiteFull Time
Extensive experience with Python and Go, API design (REST,gRPC), GKE/GCP, microservices, CI/CD, DevOps, IaC (Terraform), SQL, Git, observability, messaging (Kafka, Pub/Sub), and integrating AI/MCP into systems.
Python, GoLang, REST, gRPC, Google Kubernetes Engine, Google Cloud Platform, Model Context Protocol (MCP), Datadog, OpenTelemetry, SQL, Git, GitHub, GitLab, Terraform, Apache Kafka, Google Pubsub, AWS SNS/SQS, Istio
2w
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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
1mo
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Design Structural Engineer
Dallas or Nashville or St. Louis
$100k-$128k/yr HybridFull Time
Apex Structural Engineering: Provides structural engineering design and construction steel connection analysis.
4+ YOEBachelor's in civil/structural engineering, PE certification, 4+ years structural engineering experience, knowledge of building codes, strong communication, and software familiarity as listed.
Tekla Structural Designer, Microsoft Excel, Idea Statica, BlueBeam, RISA Suite, Revit, Ram Connection
1mo
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SDC Java Software Developer---Senior---St. Louis (St. Louis, MO, US, 63105)
St. Louis, Missouri, United States
$67k-$137k/yr HybridFull Time
3+ YOEBachelor's in CS or related, minimum 3 years software development experience; back-end Java/Python/Node.js, REST, NoSQL, microservices, cloud (AWS/Azure); front-end React/Angular; API design, Git and CI/CD, TDD/BDD, agile.
Java, Python, Node.js, REST, NoSQL, Microservices, Serverless, AWS, Azure, React, Angular, Git, CI/CD, Akka, Scala, Kafka, RabbitMQ, ElasticSearch, AngularJS, ReactJS, Hadoop, Spark, Flume, Mongo, Cassandra, IaaS, PaaS, API Management, TDD, BDD
3mo
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Software Engineer - Frontend
Florissant, Missouri, United States
OnsiteFull Time
Extensive experience building frontend architecture and design systems; React/Next.js web, React Native/Expo mobile; UI/UX optimization; scalable deployments; AI/SEO integration.
React, Next.js, React Native, Expo, Tailwind CSS, LaunchDarkly, New Relic, Mixpanel, Mux, Cloudflare Pages, Vercel, AWS Amplify, ECS, Fargate, EC2, S3, CloudFront, AI/SEO tooling
1w
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Rail Bridge Design EIT/Coordinator
Kansas City or St. Louis
OnsiteFull Time
Bachelor's degree in engineering, hands-on MicroStation/InRoads/GEOPAK experience, EIT preferred, bridge/structural design and analysis experience, familiarity with listed bridge software, willingness to travel occasionally.
LEAP Bridge Enterprise, FB-MultiPier, LPile, AASHTOWare BrR, midas Civil, MDX, SAP2000, CSiBridge, ADINA, RM Bridge, spColumn, LUSAS, STLBridgeLRFD, STLBridge, LARSA, RISA, MicroStation, InRoads, GEOPAK, Microsoft Office
3w
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Mechanical Engineer
Kansas City or Wichita or St. Louis
OnsiteFull Time
Bachelor's in Mechanical Engineering, PE license required, experience in commercial/institutional mechanical systems design, Revit MEP and manufacturer selection software experience preferred.
Revit MEP, Microsoft Office, IESVE, Trane TRACE
5d
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Experienced Electrical Engineer
Saint Louis, Missouri, United States
HybridFull Time
7+ YOEBachelor's degree in electrical engineering or equivalent experience, 7+ years of electrical design experience, equipment selection and troubleshooting skills, electrical code knowledge, and proficiency with engineering software.
Microsoft Excel, Microsoft OneNote, Microsoft Outlook, Microsoft Word, Bluebeam, SKM, Aspen, EasyPower, National Fire Protection Association (NFPA), National Electric Code (NEC)
2mo
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Senior Plumbing Engineer
Chesterfield, Missouri, United States
OnsiteFull Time
5+ YOE5+ years plumbing engineering experience, Bachelor's in Mechanical Engineering or related, proficiency with plumbing design software, knowledge of plumbing codes, strong communication and project management skills.
2w
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Rail Engineer
Kansas City or St. Louis or Springfield or Houston or Loveland or Salina or Fort Worth or San Bernardino or Omaha or Corpus Christi or El Paso or Colorado Springs or Salt Lake City or Wichita or Las Cruces or Rio Rancho or Denver or Albuquerque or Phoenix
$60k-$90k/yr OnsiteFull Time
3+ YOEBachelor's in civil engineering preferred; E.I.T. required or obtainable within 6 months; PE preferred; 3+ years rail/track/transportation design experience preferred; valid driver’s license; proficiency with rail/civil design software.
MicroStation, OpenRail Designer, AutoCAD, Civil 3D, OpenRoads Designer, CADD
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