2mo
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Design Structural Engineer
Creve Coeur, Missouri, United States
$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 experience; Master’s preferred; strong communication; proficiency with design software.
Tekla Structural Designer, Excel, Idea Statica, BlueBeam, RISA Suite, Revit, Ram Connection
1mo
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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
1mo
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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
1mo
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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
1w
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Staff Software Engineer, Data
Chicago or Creve Coeur or Seattle or United States
$117k-$171k/yr OnsiteFull Time
8+ YOEBS in CS or equivalent, 8+ years software/data engineering, expertise in distributed systems, cloud (AWS/GCP), streaming and messaging, containerization and CI/CD, mentoring and system design.
Python, Java, AWS, GCP, Kafka, Kinesis, Pub/Sub, SQS, SNS, Spark, Flink, Dataflow, Dataproc, Docker, GitLab Pipelines, GitHub Actions, JMS
2mo
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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
22h
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Software Developer
St. Louis or United States
$85k-$117k/yr RemoteFull Time
8+ YOE8+ years backend-focused software development with Java and/or NodeJS, Angular front-end, AWS cloud experience, RESTful API design, healthcare EDI knowledge, Public Trust eligibility, and U.S. citizenship.
Java, NodeJS, Angular, C#, .Net, AWS, Azure, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, JIRA, Docker, ECS, EKS, Microsoft Teams, Electronic Data Interchange X.12 (EDI)
1w
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Design and Analysis Engineer (Electronic Sys Design & Analy)
Berkeley or St. Louis
$92k-$124k/yr OnsiteFull Time
2+ YOEBachelor's in engineering or related field, 2+ years engineering experience, systems integration, MBSE, hardware/software development, ability to obtain U.S. security clearance (U.S. citizenship required).
Model Based Systems Engineering (MBSE)
4d
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Lead Software Developer
Seattle or St. Louis or Arlington or Ridley Park or Charleston or Mesa
$183k-$265k/yr HybridFull Time
10+ YOEBachelor's in a technical field,10+ years developing software,data pipelines and cloud products; experience with scalable distributed systems; strong design, testing and collaboration skills.
Teams, Mattermost, GitHub
3mo
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Senior Software Engineer - Aviation Displays
Olathe or St. Louis or Chandler
OnsiteFull Time
5+ YOEBachelor’s in CS/EE/CE/SE/AE/Math/Physics plus 5+ years experience; strong software design, algorithms, leadership, and communication skills.
C, C++, Java, Data Structures, Object-Oriented Design
3w
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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
3mo
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Principal Software Engineer-Agentic AI
St Louis or Houston or Raleigh
$115k-$192k/yr OnsiteFull Time
Agentic AI design and integration, LLMs, orchestration (LangChain/OpenAI), tool-augmented agents, prompt engineering, AI governance, and scalable, reliable AI architectures.
LangChain, OpenAI APIs, LLMs, vector databases, retrieval systems, memory systems, RAG, function calling, prompt engineering
1mo
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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
3d
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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
3mo
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Senior Software Engineer- Quantitative Developer, Information Technology
St. Louis, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's degree in a quantitative field; 5+ years of development; 3+ years Python; data systems design; cloud experience; collaboration with researchers; CI/CD; financial services exposure is a plus.
Python, AWS, Azure, GCP, CI/CD, SQL, Backtesting
3w
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Senior Software Engineer
Arnold, Missouri, United States
OnsiteFull Time
5+ YOEUS citizen with TS/SCI and CI polygraph ability; Bachelor's degree or equivalent and 5+ years' experience; CompTIA Security+ (IAT Level II) required; deep experience designing, deploying, and administering enterprise Microsoft Windows desktop environments using MECM/MCM, MDT, Intune and virtualization/app-virtualization tools.
Microsoft Windows, MECM, MCM, OSD, MDT, Intune, Microsoft Deployment Toolkit, Microsoft Endpoint Configuration Manager, Citrix XenApp, Citrix App Layering, Microsoft APPV, MSIX App Attach, VMware Dynamic Environment Manager, Active Directory, Group Policy Management, DFS, DNS, DHCP, Microsoft Azure, Office 365, Windows Server 2016, Windows Server 2019, PowerShell, ServiceNow, DISA STIGs
2w
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Software II Developer
Saint Louis or Alabama or Kentucky or Oklahoma or Arkansas or Louisiana or South Carolina or Florida or Mississippi or Tennessee or Georgia or Texas or Indiana or North Carolina or Wisconsin or Iowa or Ohio
$76k-$124k/yr RemoteFull Time
3+ YOEDesign, develop, test and support integrations and applications using Cloverleaf, Tcl and healthcare messaging standards (HL7, X12, XML); 3+ years healthcare IT integration experience preferred; Bachelor's degree or equivalent.
Cloverleaf, Tcl, HL7, X12, XML, MQS, Epic, Bridges, Cogito, Onbase, SQL, Perl, Python, SFTP, VPN
3w
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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
2mo
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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
1d
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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
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