214 senior software development engineer jobs at 73 companies in Belleville, IL
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Senior Software Engineer
O'Fallon, Missouri, United States
$115k-$184k/yrOnsiteFull Time
MastercardNYSE: MA: Global payment processing and financial technology service provider.
BS in Computer Science or related technical field; strong Java/Spring, Kafka, C++, JNI experience; software engineering best practices; leadership and problem solving; secure software development; willingness to mentor.
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOEBachelor's degree, U.S. citizenship able to obtain U.S. security clearance, 5+ years OOP with C#, .NET, Java, SQL, HTML, CSS; 5+ years on Windows/Linux, containerized architectures (Docker/Podman/Kubernetes), Git, and cloud development.
MerckXETRA: MRK: A science and technology providing healthcare, life science, and electronics solutions.
5+ YOEBachelor's degree,5+ years software engineering experience,proficiency in Java,REST,unit testing,cloud and distributed systems,experience with microservices,CI/CD,Kubernetes,ElasticSearch,Spring and SQL.
Java, Google Cloud Platform, Azure, Amazon Web Services, JavaScript, HTML, CSS, SQL, GitHub, ElasticSearch, Kubernetes, Spring, Spring Boot
AmerenNYSE: AEE: Generates and distributes electric and natural gas utility services.
5+ YOEBachelor’s degree plus 5+ years relevant experience; hands-on Oracle EPM and cloud integrations; senior functional knowledge in DRM/EDMCS, Hyperion, and API-based integrations.
Oracle EPM, DRM/EDMCS, Oracle Cloud EPM, EPCM, Hyperion, MuleSoft, ODI, FDMEE, SmartView, Financial Reporting Studio, API development
St. Louis County: Provides essential public services and governance for St. Louis County.
5+ YOEFive years professional application development experience; proficiency with C#, Java, .NET, PHP, or C++; experience designing business applications, relational databases, secure coding, and delivering technical solutions.
GardaWorld: Provides physical security, cash management, and integrated risk services.
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
Senior Software Engineer- Quantitative Developer, Information Technology
St. Louis, Missouri, United States
OnsiteFull Time
NISA Investment Advisors: Provides customized investment and risk management solutions for institutional investors.
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.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
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.
Tech MahindraNational Stock Exchange of India: TECHM: Global provider of information technology and business process services.
5+ YOE5+ years software development experience with strong Java 8, Spring Boot, microservices, testing frameworks, and cloud platform experience (PCF/Azure). Bachelor’s degree required.
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
5+ YOE5+ years relevant experience, Bachelor's degree or equivalent, experience with Hogan systems and mainframe technologies, strong algorithms/data-structures and agile/DevOps familiarity.
Hogan DDA Application, Hogan process dictionary (PCD), CICS/VTAM, IMS/DB2, COBOL II, Easy Trieve, JCL, MVS, Expeditor, Gitlab, Microsoft Excel
Rapsodo: Provides portable sports performance tracking and analytics devices.
8+ YOEBachelor’s or Master’s in CS/Engineering; 8+ years mobile development (Android/iOS); 3+ years Kotlin Multiplatform; strong architecture, KMP, and cross-platform data/UI design; CI/CD; device-connected apps; AI-assisted development experience.
Software Developer II - Connect Service Software (Front End, Billing Software)
Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
NISC: Provides enterprise software solutions for utility and broadband cooperatives.
5+ YOE5+ years software development experience; proficiency with Angular/TypeScript, Java, RDBMS, automated testing, cloud and container technologies; bachelor's degree preferred.
Angular, TypeScript, Java, Postgres, Oracle, AWS, Kubernetes, Spring Boot, Kafka, Cassandra, Git, JIRA, Confluence, Bitbucket, Bamboo, generative AI
St. Louis or Brentwood or Richmond Heights or Clayton or Maplewood
HybridFull Time
Enterprise Mobility: Provider of vehicle rental and diverse mobility solutions.
3+ YOE3+ years software development, 2+ years ServiceNow and JavaScript experience, API scripting (REST/SOAP), shell scripting (SSH/PowerShell), US work authorization, reside in St. Louis area, security-minded.