165 sr software engineer jobs at 75 companies in Litchfield, IL
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Sr. Software Engineer
Hazelwood, Missouri, United States
$82k-$115k/yr HybridFull Time
7+ YOESenior-level software engineer with 7+ years full stack experience, AWS, IaC, microservices, and data governance.
AWS, Docker, Kubernetes, Terraform, CloudFormation, AWS CDK, Python, SQL, PostgreSQL, Oracle
1mo
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Sr. Engineer, Software - Archimedes
St. Louis or Brentwood or Alaska or Arizona or Arkansas or California or Connecticut or Delaware or Hawaii or Idaho or Louisiana or Maine or Massachusetts or Michigan or Mississippi or Montana or Nebraska or Nevada or New Mexico or New York or North Carolina or North Dakota or Oregon or Rhode Island or South Carolina or South Dakota or Texas or Utah or Vermont or Washington or West Virginia or Wyoming or United States
HybridFull Time
8+ YOEBachelor's in CS or related; 8+ years software engineering experience (5+ years with C#, .NET, React); experience with cloud-native, APIs, microservices, CI/CD, Git, Azure; technical leadership and mentoring experience.
C#, .NET, ASP.NET Core, React, TypeScript, JavaScript, REST APIs, GraphQL, Webhooks, API Management, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure Container Apps, Microsoft Azure Kubernetes Service (AKS), Microsoft Azure Storage, Microsoft Azure Databricks, Microsoft Azure Data Lake Storage Gen2, Microsoft Azure Synapse Analytics, Microsoft SQL Server, PostgreSQL, Microsoft Azure DevOps, GitHub Actions, CI/CD, Infrastructure as Code, Retrieval-Augmented Generation (RAG), Microsoft Azure OpenAI, Microsoft Azure AI Services, Intelligent Automation, Agent-Based Solutions, OWASP, OAuth2, OpenID Connect, DevSecOps, Git, Azure Repos, GitHub, TFS, Jira, Unix/Linux shell scripting
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
1w
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Software Engineer
St. Louis, Missouri, United States
$100k/yr HybridFull Time
5+ YOE5+ years software development with cloud/data engineering on Microsoft Azure, production ownership, Python/TypeScript, SQL/Snowflake, Terraform, Git, strong communication and problem-solving.
Microsoft Azure, Azure Functions, Python, TypeScript, Node.js, Snowflake, SQL Server, T-SQL, SQL, Terraform, Datadog, Git, Microsoft Graph, Checkov, Event Grid, Service Bus, VNet, OAuth 2.0, PGP, S/MIME
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Experienced Software Engineer
Hazelwood, Missouri, United States
$127k-$171k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years software engineering experience, proficiency in C/C++/C#, Agile experience, ability to obtain U.S. Secret security clearance, simulation/software architecture experience preferred.
C, C++, C#, Python, Lua, OpenGL, Jira, Jenkins, GitLab, CMake, Visual Studio
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Experienced Software Engineer
Hazelwood, Missouri, United States
$127k-$171k/yr OnsiteFull Time
5+ YOEBachelor's degree, ability to obtain U.S. Secret clearance, 5+ years software engineering experience, proficiency in C/C++/C#, Agile experience, strong communication and problem-solving skills.
C, C++, C#, Python, Lua, OpenGL, Jira, Jenkins, GitLab, CMake, Visual Studio
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Software Engineer
Denver or St. Louis or Sterling or Springfield
$82k-$172k/yr OnsiteFull Time
5+ YOEBachelor's in a technical field, TS/SCI with polygraph, 5+ years software development experience with Java and/or Python, web frameworks, relational/NoSQL databases, Agile experience, and secure coding practices.
Java, Python, ArcGIS, GeoServer, OpenLayers, Leaflet, Cesium, Docker, Kubernetes, CI/CD
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Software Engineer
Denver or Springfield or Sterling or St. Louis
$82k-$172k/yr OnsiteFull Time
5+ YOEBachelor's in CS or related, 5+ years software development experience, Java and/or Python proficiency, experience with web frameworks and databases, TS/SCI clearance with polygraph required, Agile and secure coding experience.
Java, Python, ArcGIS, GeoServer, OpenLayers, Leaflet, Cesium, Docker, Kubernetes, CI/CD
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Principal Software Engineer
Atlanta or Boston or Morristown or Plano or St. Louis or St. Petersburg or Hyderabad
HybridFull Time
8+ YOE8+ years backend software engineering; degree or equivalent; cloud, IaC, CI/CD; APIs; strong communication; leadership.
TypeScript, Node.js, PostgreSQL, Angular, AWS, Terraform, Elasticsearch, CI/CD, SASS
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
2d
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Sr Engineer
St. Louis, Missouri, United States
$73k-$121k/yr OnsiteFull Time
8+ YOEBachelor's in CS or related, 8+ years Microsoft 365/Exchange administration or 3–6 years software engineering experience, PowerShell and Microsoft Graph automation, Power Platform governance, strong communication and troubleshooting.
Exchange Online, Microsoft 365, EOP, Defender for Office 365, SPF, DKIM, DMARC, Entra ID, Teams, SharePoint, OneDrive, Power Automate, Power Apps, Dataverse, Microsoft 365 Copilot, Copilot Studio, Unified Audit Log, Microsoft Purview, PowerShell, Microsoft Graph API, CI/CD
1mo
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Embedded Software Engineer, Electronics Engineering
St. Louis, Missouri, United States
OnsiteFull Time
10+ YOE10+ years embedded systems experience with 7+ years in motor control; bachelor's in electrical/electronics engineering required; strong C/C++ firmware, MATLAB/Simulink, motor control algorithms, real-time and safety-critical embedded software skills.
MATLAB/Simulink, C/C++, Modbus, BACnet, UART, SPI, I2C, Bluetooth, Wi-Fi
3w
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Manager Software Engineering
Bridgeton, Missouri, United States
$131k-$177k/yr HybridFull Time
5+ YOEBachelor's in software engineering or related, 5+ years software engineering experience, demonstrated people and technical leadership, experience with embedded development and C/C++/C#/Java, Linux/Unix, strong communication and analytical skills.
C, C++, C#, Java, Linux, Unix
4d
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Senior Mission Software Engineer, Public Sector
Austin or Honolulu or St. Louis or Washington
$186k-$279k/yr HybridFull Time
5+ YOE5+ years software engineering experience; strong Python and TypeScript; cloud (AWS/Azure/GCP), containers, Linux; active TS/SCI clearance; ability to operate in customer-facing, forward-deployed government environments.
Python, TypeScript, AWS, Azure, GCP, Node, React, Kubernetes, Docker, Terraform, Linux
4w
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Software Developer - Advanced (MO, Saint Louis)
St. Louis, Missouri, United States
OnsiteFull Time
Requires RMF knowledge, experience with Python, HTML, CSS, JavaScript, React, Tableau, database development, and secure full‑stack software development; baccalaureate degree required.
Python, HTML, CSS, JavaScript, React, Tableau
2mo
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FedNow Senior Software Engineer
Boston or St. Louis or Cleveland or Philadelphia or Chicago or San Francisco or New York or Kansas City or Atlanta or Minneapolis or Dallas or Richmond
$150k-$225k/yr OnsiteFull Time
8+ YOESenior Software Engineer with 8+ years Java, 3+ years AWS cloud, cloud-first architectures, CI/CD, DevOps, and serverless experience.
Java, JavaScript, XML, JSON, HTML, CSS, Python, Linux, Unix, Windows, SQL, Oracle, DB2, Cloud, AWS, Serverless, Terraform, CI/CD, DevOps, Kafka
3w
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Software Engineer - Full Stack
St. Louis, Missouri, United States
$110k-$115k/yr OnsiteFull Time
5+ YOE5+ years experience building and maintaining production systems; strong Postgres SQL skills; backend language proficiency (Golang preferred; Java/C#/C++/Python valued); front-end experience with Angular, HTML/CSS/JavaScript/TypeScript; cloud and security familiarity.
Angular, Golang, Java, C#, C++, Python, Postgres, Google Cloud, AWS, Azure, Git, Bitbucket, Node, HTML, CSS, JavaScript, TypeScript
1mo
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Sr Structural Project Engineer
St. Louis or Denver or Chicago
HybridFull Time
10+ YOE10+ years project engineering experience, BS in Engineering required (MS preferred), licensed SE or PE/CE (as applicable), NCEES record preferred, LEED credentials preferred, Revit/AutoCAD and structural analysis software experience.
Revit, AutoCAD, SAP, ETABS, SAFE, GSA, BIM
3w
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Web Software Developer
Scott AFB, Illinois, United States
OnsiteFull Time
10+ YOE10+ years experience, DoD Top Secret clearance with SCI eligibility, CompTIA Security+, Node.js/React/JavaScript/HTML, Strapi CMS, AWS, AppStream, Confluence, MS Office proficiency, technical writing, and configuration/change management for government customers.
Node.js, React, AppStream, Confluence, JavaScript, HTML, Strapi, AWS, Microsoft Word, Microsoft PowerPoint, Microsoft Visio, Microsoft Project, Microsoft Excel, ServiceNow, Jira
3w
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Web Software Developer
Scott Air Force Base, Illinois, United States
$120k-$160k/yr OnsiteFull Time
10+ YOE10+ years experience, DoD Top Secret with SCI eligibility, CompTIA Security+, experience with Node.js, React, Strapi, AWS, AppStream, Confluence, JavaScript, HTML, CMS, and technical writing.
Node.js, React, AppStream, Confluence, JavaScript, HTML, Strapi, AWS, ServiceNow, Jira, Microsoft Word, Microsoft PowerPoint, Microsoft Visio, Microsoft Project, Microsoft Excel
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