Top Software Engineer Jobs in St. Louis, MO

As a Senior Software Engineer, you will enhance core communication systems by developing features across the stack and integrating with third-party services, ensuring reliability and scalability while debugging production issues.

This role involves designing scalable data ingestion systems and building a centralized data lake on Apache Iceberg. Responsibilities include improving performance and reliability, collaborating with data engineers, and providing technical leadership.

The Senior Anaplan Solutions Architect is responsible for overseeing Anaplan deployment across business units, integrating with other platforms, and ensuring architectural standards are met.

As a Senior Software Engineer, you'll develop and build tools for creative projects while leading feature development and collaborating with teammates.

The Engineering Manager leads a team in delivering reliable software solutions, blending technical contributions with team leadership, managing projects, and improving processes.

Lead MuleSoft Architect responsible for designing and delivering API-led integrations across legacy and low-code platforms (Salesforce, Pega, Appian). Develop reusable APIs, contract-first interfaces, error handling, telemetry, and governance. Use AI tools to accelerate MuleSoft development and testing, translate stakeholder requirements into technical designs, and support phased modernization in a regulated federal health environment. Must obtain Public Trust eligibility.

Lead design and delivery of scalable, secure full-stack systems. Architect solutions, implement high-quality code, drive testing/observability, reduce technical debt, mentor engineers, collaborate with product and clients, and modernize tooling and infrastructure.

Develop and support Oracle EBS R12 and Oracle Cloud ERP finance modules. Build PL/SQL packages, reports, data models, and integrations; perform root-cause analysis, testing, patching, documentation, and collaborate with stakeholders to deliver scalable technical solutions.

Design, develop, deploy, and support integrations using Oracle SOA Suite and WebMethods. Build SOAP/REST services, handle EDI X12, perform SQL/PLSQL data work, troubleshoot production incidents, create technical documentation, and work in an agile team to deliver integration solutions.

Contribute to design, development, and maintenance of full-stack web applications. Build UIs with Vue.js, implement backend services and GraphQL APIs with Node.js, write automated tests, participate in agile ceremonies, troubleshoot defects, and collaborate with stakeholders to translate requirements into technical solutions while improving workflows and using AI-assisted tools.

The Checkmate API Developer is responsible for maintaining API integration, enhancing features, resolving issues, and documenting programs. This role involves liaising with teams to develop client-oriented solutions and performing unit tests.

Lead reliability and performance for the PCS Data Warehouse platform. Own production support, incident response, and root cause analysis. Optimize ETL, SQL, and data pipelines for throughput and latency. Implement observability, monitoring, automation, and CI/CD practices. Drive AI-assisted development adoption and enforce coding, logging, and testing standards while partnering with ETL developers, data owners, and support teams.