55 platform software engineer jobs at 32 companies in O'Fallon, MO

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1d
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Hybrid Cloud Platform Software Engineer
Denver or Sterling or St. Louis or Sunset Hills
$99k-$207k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
7+ YOEBachelor's in STEM or equivalent experience, 7+ years developing software/cloud solutions, AWS, Git, Kubernetes, Helm, Trino experience, strong communication; TS/SCI with poly preferred.
Amazon Web Services, Git, Kubernetes, Helm, Trino, Red Hat OpenShift, Cameo
1d
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Hybrid Cloud Platform Software Engineer
Denver or St. Louis or Sterling or Sunset Hills
$99k-$207k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOEBachelor's in STEM (or equivalent certs), 7+ years developing software/cloud solutions, AWS, Git, Kubernetes, Helm, Trino experience, TS/SCI clearance preferred, strong communication and critical thinking.
Amazon Web Services, Git, Kubernetes, Helm, Trino, Red Hat OpenShift, Cameo
1mo
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Software Engineer II
O'Fallon, Missouri, United States
$92k-$147k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Experience in software development and SDLC, strong Java proficiency, Git and CI/CD experience, familiarity with Agile, degree in CS/Engineering/IT or equivalent experience; experience with decisioning platforms preferred.
Java, Git, CI/CD, Jira, Confluence, Rally, Decision Management Program (DMP)
1w
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Software Engineer II
Fenton, Missouri, United States
HybridFull Time
Maritz
Maritz: Provides business incentive, event, and loyalty management solutions.
4+ YOEBachelor’s degree or equivalent experience,4+ years relevant software engineering experience,knowledge of cloud platforms (AWS/GCP/OCI),web frameworks,OOP,secure coding,AI-assisted development tools,strong communication and problem-solving.
GitHub Copilot, Claude, AWS, GCP, OCI
2mo
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Platform Engineer (Kubernetes)
Herndon or Westminster or St. Louis
$145k-$215k/yr OnsiteFull Time
Vantor
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
14+ YOEUS citizen with TS/SCI with CI poly; 14+ years in technical roles; Kubernetes/OpenShift; CI/CD; container tech; on-call in SCIF; ability to work with distributed teams.
Kubernetes, OpenShift, Docker, CI/CD (Jenkins, GitHub Actions, GitLab CI), Terraform, Ansible, Python, Bash, Go
2w
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Power Platform Developer
Vienna or Tysons Corner or Washington or Fairview Heights or Indianapolis
HybridContract
Cloud SynApps
Cloud SynApps: Provides Salesforce consulting and systems integration for public sector clients.
5+ YOE5+ years Microsoft Power Platform / Dynamics 365 development experience; US citizen or green card holder; ability to obtain Secret clearance; Bachelor's degree (US equivalent) required; hands-on Power Apps, Power Automate, SharePoint, Dataverse, C#, SQL, .Net experience.
Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Power BI, Microsoft SharePoint, SharePoint Designer, Microsoft Teams, Microsoft Dataverse (CDS), C#, SQL, .Net
1w
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Staff Software Engineer, Data
Creve Coeur or Chicago or Seattle or United States
$117k-$171k/yr HybridFull Time
Bayer
BayerFrankfurt Stock Exchange: BAYN: Global provider of healthcare medicines and agricultural products.
8+ YOE8+ years in software/data engineering, BS in CS or equivalent, expertise in backend languages (Python, Java), cloud-native and distributed systems, event-driven architectures, CI/CD, and building large-scale data platforms.
Kafka, Kinesis, Pub/Sub, SQS, SNS, JMS, Spark, Flink, Dataflow, Dataproc, Docker, GitLab Pipelines, GitHub Actions, AWS, GCP, Python, Java
5d
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Sr Power Platform Developer
Scott Air Force Base, Illinois, United States
$90k-$100k/yr OnsiteFull Time
JBW Federal
JBW Federal: Provides infrastructure and professional services for federal government agencies.
6+ YOEUS citizen with active Secret DoD clearance, 6+ years experience developing Microsoft Power Platform solutions (PowerApps, Power Automate, Power BI/Dataverse), strong data modeling, DAX, security configuration, and stakeholder communication.
Microsoft Power Platform, PowerApps, Power Automate, Power BI, Dataverse, DAX
1mo
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Sr. Power Platform Developer
Scott AFB, Illinois, United States
$90k-$115k/yr OnsiteFull Time
FEDITC
FEDITC: Provides IT, cybersecurity, and engineering services to federal agencies.
6+ YOEUS citizen with active Secret security clearance, 6+ years experience, proven experience with Microsoft Power Platform (PowerApps, Power Automate, Power BI), Power BI reporting, ServiceNow desired, strong communication and problem-solving skills.
Microsoft Power Platform, PowerApps, Power Automate, Power BI, ServiceNow
1mo
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Power Platform Developer
St. Louis or Birmingham
$40-$50/hr HybridContract, Full Time
LaunchCode
LaunchCode: Nonprofit providing free tech education and job placement services.
3+ YOEAssociate's degree + 3+ years related experience (or 5+ years), PL-200 required, hands-on Microsoft Power Apps/Power Automate/Dataverse experience, ALM/DevOps familiarity (Azure DevOps), integration with SharePoint/SQL, strong communication and problem solving.
Microsoft Power Apps, Microsoft Power Automate, Microsoft Dataverse, Azure DevOps, Microsoft ALM Accelerator, Microsoft SharePoint, SQL Server, Microsoft Power BI, Microsoft Fabric, OneLake, Microsoft 365, Azure Functions, REST APIs
2mo
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Senior Cloud Platform Engineer- Software
St. Louis, Missouri, United States
OnsiteFull Time
TOPS Products
TOPS Products: Manufactures office supplies and develops tax compliance software.
6+ YOE6-9 years cloud/infrastructure experience; Azure; CI/CD; MSP coordination; cloud security and incident response.
Azure, CI/CD, Infrastructure as Code, Terraform, Bicep, ARM, NOC, SOC
3w
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Software Development Engineer II – CI/CD & Platform Automation (Mission-Focused)
Redlands or St. Louis or Vienna
$97k-$162k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years DevOps/CI-CD/platform automation experience; hands-on with CI/CD pipelines, Docker, Python/JavaScript, IaC (Terraform/AWS CDK/Ansible), cloud (AWS/Azure); US citizenship and active Top Secret/SCI clearance required; Bachelor's in a STEM field.
GitHub Actions, Microsoft Azure DevOps, GitLab CI, Jenkins, YAML, Docker, Conda, Python, JavaScript, Rust, Ansible, AWS CDK, Terraform, Kubernetes, Amazon S3, Microsoft Azure Blob Storage, Software Bill of Materials (SBOM), SAST, DAST
1mo
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Sr Software Developer - API Integration
Creve Coeur or St. Louis
$110k-$130k/yr HybridFull Time
First Bank
First Bank: A family-owned bank providing financial solutions to businesses and individuals.
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
1mo
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AI Native Software Engineer
Arlington or Milwaukee or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or Pittsburgh or Hartford or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Morristown or San Francisco or Boston or Denver or Philadelphia or Des Moines or Overland Park or Los Angeles or Walnut Creek or Charlotte or Seattle or Carmel or Houston or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego or California or Colorado or District of Columbia or Illinois or Maine or Maryland or Massachusetts or Minnesota or New York or New Jersey or Virginia or Washington or United States
$54k-$235k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
3+ YOE3+ years cloud-native engineering, 1+ year building/deploying agentic solutions, 1+ year with modern AI platforms, 3+ years Python/Java and IaC (Terraform, Helm); Bachelor's in CS/Engineering or equivalent experience; strong client communication.
Anthropic, Google, OpenAI, Vertex AI, Claude, Claude SDK, Open AI SDK, Lang-graph, Crew AI, Kubernetes, Docker, Terraform, Helm, Python, Java, CI/CD, GitHub
2w
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Senior Software Engineer - St. Louis
St. Louis, Missouri, United States
OnsiteFull Time
London Stock Exchange Group
London Stock Exchange GroupLondon Stock Exchange: LSEG: Provides financial market infrastructure and global data analytics services.
Experience with Java, Python, C++ or C#; CI/CD, unit testing and automation in cloud platforms (AWS or Azure); bachelor's in CS or related or equivalent experience; strong problem-solving and communication skills; interest in AI; financial services experience preferred.
Java, Python, C++, C#, CI/CD, unit testing framework, AWS, Azure
2w
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Lead Developer Platforms Software Engineer
Berkeley, Missouri, United States
$198k-$268k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
9+ YOE6+ MgmtActive U.S. Secret clearance, Bachelor’s degree, 9+ years programming (C, C++, C#, Python, Java, Ada), 6+ years leading Agile teams and working with DevSecOps technologies (Kubernetes, cloud, GitLab, Terraform).
C, C++, C#, Python, Java, Ada, Kubernetes, AWS, Azure, GitLab CI, GitLab, Terraform, CI/CD
2w
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Lead Developer Platforms Software Engineer
Berkeley, Missouri, United States
$198k-$268k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
9+ YOE6+ MgmtActive U.S. Secret clearance, Bachelor’s degree, 9+ years programming (C, C++, C#, Python, Java, Ada), 6+ years leading Agile teams, 6+ years with DevSecOps tools (Kubernetes, Cloud, GitLab, Terraform), leadership and strong communication skills.
C, C++, C#, Python, Java, Ada, AWS, Azure, Kubernetes, GitLab, GitLab CI, Terraform
2w
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Principal Engineer, Engineering Productivity
Ontario or Santa Clara or St. Louis or Bengaluru or London or Paris or Melbourne or Taipei or Tokyo
OnsiteFull Time
Netskope
NetskopeNASDAQ: NTSK: Cloud-native cybersecurity and data protection platform for enterprises.
15+ YOE15+ years software engineering experience building CI/CD platforms; expertise with Python, GoLang, Terraform, Helm, Drone/GitHub Actions, AWS, Kubernetes, Docker; BSCS required, MSCS preferred; on-call participation and leadership/mentoring experience.
Python, GoLang, Java Spring, Terraform, Helm, Drone, GitHub Actions, Spinnaker, AWS, Kubernetes, Docker
1mo
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Geospatial CI/CD & Platform Automation Engineer – Multiple Positions at Junior/Mid/Senior Levels
St. Louis or St. Charles or Virginia
OnsiteFull Time
NV5
NV5: Provides engineering, consulting, and geospatial solutions for infrastructure projects.
1+ YOEUS citizen with active Top Secret/SCI clearance, Bachelor's in CS/Engineering/DevOps, 1+ years CI/CD or platform automation experience, hands-on with GitHub Actions/Azure/Jenkins, Docker, Python/JavaScript, IaC (Ansible/Terraform/AWS CDK), Linux, and cloud (AWS/Azure).
GitHub Actions, Azure DevOps, Azure Pipelines, GitLab CI, Jenkins, Docker, Conda, Python, JavaScript, Ansible, AWS CDK, Terraform, Kubernetes, Linux, YAML, S3, Azure Blob Storage, ArcGIS API
3w
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Software Engineering Group Manager (Marketing Adobe Platforms)
Dallas or Wentzville or Missouri or United States
HybridFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
10+ YOE5+ Mgmt10+ years software engineering experience, 5+ years managing multiple engineering teams; hands-on technical leadership in enterprise platforms, cloud-native architectures, APIs, CI/CD, and strong governance/security experience; Bachelor's degree typically required.
Adobe Experience Cloud, AEM, AEP/RT CDP, AJO, Assets, Workfront