31 software integration engineer jobs at 25 companies in Sparta, IL
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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
2mo
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Systems Integration Testing Engineer
St Louis, Missouri, United States
$112k-$179k/yr OnsiteFull Time
6+ YOEMust hold Top Secret clearance and be willing to upgrade to TS/SCI with polygraph. BS in systems/electrical/physics/software engineering (or related) with 8 years' systems engineering experience (6 years with Master's). Experience in sensor imaging systems, test design, data verification, and strong written/oral communication required.
1mo
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Analysis, Integration, and Test Engineer
Berkeley or St. Louis
$92k-$124k/yr OnsiteFull Time
3+ YOEBachelor's degree in a related technical field, 3+ years related experience, active U.S. Secret security clearance required, ability to analyze, integrate and test hardware/software systems.
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
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 building services with Python, Node.js/JavaScript, or Java; REST API design; ArcGIS Enterprise integration; containerization (Docker/Kubernetes); Top Secret/SCI clearance required; Bachelor's degree in CS/Math/GIS/STEM.
Python, Node.js, JavaScript, Java, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL, PostGIS, SQL Server, REST APIs
3w
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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
2w
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Full Stack Software Developer (.NET/React)
St. Louis, Missouri, United States
HybridFull Time
3+ YOE3+ years .NET experience, Next.js/React front-end, Optimizely CMS and headless CMS integration, GraphQL/REST APIs, Azure CI/CD and DevOps, Git, CSS/SCSS, JavaScript/TypeScript, strong problem-solving and collaboration skills.
Optimizely CMS, Next.js, React, GraphQL, REST, SSR, SSG, ISR, Jira, Azure DevOps Boards, Azure CI/CD pipelines, Git, CSS, Sass, SCSS, JavaScript, TypeScript, Optimizely Graph, Aprimo DAM, Cloudflare CDN, Google Analytics
3w
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Director - Software/ AI Native Engineer
St. Louis, Missouri, United States
$175k-$180k/yr OnsiteFull Time
8+ YOEBachelor's degree required, 8+ years experience building cloud-native, microservices, DevOps/platform engineering with AWS; experience with AI-assisted development, LLM/agent integrations, and AI governance.
GitHub Copilot, Claude Code CLI, Model Context Protocol (MCP), AI Foundry, Bedrock, OpenAI, Anthropic, AWS
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
3w
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Full Stack Developer 729
St. Louis, Missouri, United States
OnsiteFull Time
Active TS/SCI clearance, experience in software development/system integration, familiarity with AWS services, CI/CD, containerization, GitLab, Agile, and customer-facing technical communication.
S3, Lambda, SQS, SNS, ECS, ECR, EKS, API Gateway, Cloudwatch, KMS, GitLab CI/CD, GitLab, Docker, Podman, Kubernetes, Harbor, CloudFormation, CDK, Terraform, Linux, JavaScript, React, Angular, HTML5, CSS3, Auroa, PostgreSQL/PostGIS, Oracle, Redis, Memcache, Elasticache, GDAL/OGR, GitLab
2d
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Test Engineer - Mission Software (Top Secret/SCI Clearance Required)
Herndon or Alexandria or Chantilly or Englewood or Gaithersburg or Saint Louis or Tucson
OnsiteFull Time
Software testing experience across enterprise application lifecycles, automated test development, Agile and CI/CD experience, testing methodologies, defect tracking, and DevSecOps integration. U.S. citizenship required.
Playwright, Cypress, JavaScript, Python, CI/CD, DevSecOps
2w
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STARLIMS Developer
St. Louis, Missouri, United States
RemoteFull Time
4+ YOE4+ years STARLIMS configuration, scripting, upgrade, reporting and integration experience; ability to obtain FDA Public Trust; experience with QBE reporting and SciNote integration; validation and FDA security compliance experience.
STARLIMS, SciNote, QBE Query Manager
1mo
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Quality Engineer
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOE2+ years SDET/test engineering experience; proficiency in Python, JavaScript, or Java; experience with Selenium, Cypress, or Playwright; API testing (Postman/REST Assured); CI/CD integration; Agile experience and strong analytical/communication skills.
Python, JavaScript, Java, Selenium, Cypress, Playwright, CI/CD, Postman, REST Assured, JMeter, K6, LoadRunner, iOS, Android, AWS, Azure, GCP, Docker
3d
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Senior DevOps Engineer
Springfield or St. Louis
$144k-$194k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
6+ YOERequires 6+ years of directly related experience, a bachelor's degree or equivalent experience, Linux, CI/CD, Argo CD, Kubernetes/OpenShift, infrastructure as code, Python, Bash, web networking, databases, security integration, and TS/SCI with CI polygraph.
Argo CD, GitLab CI/CD, Linux, Jenkins, CircleCI, OIDC, OAuth, Auth2, GitOps, Kubernetes, OpenShift, AWS, Terraform, CloudFormation, AWS CDK, Ansible, Chef, Puppet, SQL, Python, BASH, Elasticsearch, Prometheus, Thanos, Alloy, Loki, Mimir, Tempo, Grafana, Nginx, Traefik, Apache HTTP Server, HAProxy, Envoy
2d
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Pega Developer - Associate - 00070069701
St. Louis or United States
$80k-$90k/yr RemoteFull Time
Expertise in Pega Platform, integration, sizing and capacity planning, monitoring and control, release management, and performance tuning; Cards and Payments experience and Pega certifications preferred.
Pega Platform, Pega Integration, Pega Sizing & Capacity Planning, Pega Monitoring & Control, Pega Release Management, Pega Performance Tuning
1mo
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Application Developer II
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOE3+ years developing integrations and applications using iPaaS (Boomi/Mulesoft/Snaplogic), SQL, JSON/XML, modern stacks (.NET,C#/Node.js/TypeScript/Python/Ruby), DevSecOps practices and cloud platforms (AWS/Azure).
Boomi, Mulesoft, Snaplogic, SQL, JSON, XML, Palantir, .NET 6+, C#, Node.js, TypeScript, Python, Ruby, Ruby on Rails, Sinatra, ActiveRecord, CI/CD, DAST, SAST, SCA, Checkmarx, OWASP, GitHub, Snyk, Terrascan, Terraform, SFTP, PGP, AWS, Azure, Microsoft Office 365
1mo
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Application Developer II
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOE3+ years experience with enterprise iPaaS (Boomi/Mulesoft/Snaplogic), strong SQL and API integration skills, JSON/XML knowledge, application development on modern stacks (.NET6+/C#, Node.js/TypeScript, Python, Ruby), DevSecOps familiarity, cloud and container experience, Agile.
Boomi, Mulesoft, Snaplogic, Palantir, .NET 6+, C#, Node.js, TypeScript, Python, Ruby, Ruby on Rails, Sinatra, ActiveRecord, SQL, JSON, XML, CI/CD, DAST, SAST, SCA, Checkmarx, OWASP, GitHub, Snyk, Terrasan, Terraform, SFTP, PGP, AWS, Azure, Microsoft Office 365
1w
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Lead Developer, Internal Core Apps (Maximo)
Saint Louis or Birmingham
HybridFull Time
7+ YOE7+ years Maximo development, automation scripting (JavaScript, Jython, Python), Maximo upgrades/implementations, integrations (REST/SOAP, flat files, XML), SQL/SQL Server, IBM WebSphere, strong analytical and Agile experience.
Maximo, JavaScript, Jython, Python, Web Services (REST and SOAP), Flat files, XML, Interface Tables, SQL Server, SQL, IBM WebSphere
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SAP BTP Advanced Event Mesh Developer 6313002
Charlotte or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$61-$71/hr OnsiteFull Time
5+ YOEMinimum 5 years SAP BTP integration experience with Advanced Event Mesh and API Management; knowledge of event-driven architecture, messaging systems (Solace, IBM MQ), SAP Integration Suite, REST APIs, JSON/XML, and Java/Node.js. HS diploma/GED required.
SAP BTP, Advanced Event Mesh (AEM), API Management, Event-Driven architecture (EDA), Solace, IBM MQ, SAP Integration Suite, AEM Core Concepts, BTP Administration, REST APIs, JSON, XML, Java, Node.js
2mo
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Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
OnsiteFull Time
2+ YOEActive US citizenship with TS/SCI, bachelor\u0002s degree in STEM, 2+ years backend experience, Python/Node.js/Java, ArcGIS Enterprise integration, containerization (Docker/Kubernetes), API and geoprocessing experience.
Python, Node.js, Java, ArcGIS Enterprise, Docker, Kubernetes, PostgreSQL/PostGIS, SQL Server, Azure, AWS, GCP
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