Top Software Engineer Jobs in St. Louis, MO

Leads hands-on development of production software while owning application and service architecture. Diagnoses systemic issues across components, coordinates integration efforts, and improves reliability, performance, and incident response. Builds scalable full-stack SaaS applications using Java, Spring Boot, TypeScript, Node.js, and React. Applies AI-assisted development tools, mentors engineers through influence, and makes technical decisions that balance maintainability, business needs, and client impact.

Design, build, and optimize scalable cloud and web software with focus on infrastructure, performance, and hardware integration for IoT devices. Collaborate with hardware teams to ensure connectivity and high availability, implement new features, and improve system efficiency.

Develop and support customer integrations by designing workflows across the core product and external platforms such as QuickBooks, Salesforce, and NetSuite. Translate customer requirements into complete solutions, deliver projects on schedule, maintain project documentation, resolve technical challenges, communicate roadblocks, and mentor team members. The role requires API experience across multiple products, scripting expertise, strong communication, adaptability, and attention to detail.

Design, develop, test, and maintain backend services and APIs for secure fintech and crypto products. Collaborate with engineering and product teams on architecture, code reviews, system design, and deployment using Azure. Optimize backend performance and scalability, resolve defects, follow DevOps and CI/CD practices, and build reliable systems supporting payments, transfers, and other financial activity.

Leads Magna’s software engineering organization across multiple products and business lines. Oversees engineering managers, QA, DevOps/SRE, and architecture leaders while owning organizational development, delivery execution, modernization, quality, security, and operational reliability. Partners with executives and cross-functional teams to translate priorities into roadmaps and measurable outcomes. Guides AI-enabled product development, including responsible deployment of large-language-model capabilities, and supports integration of acquired platforms. This remote U.S. role requires approximately 10% travel to Philadelphia-area offices.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Implement, support, and troubleshoot ServiceNow Discovery across enterprise environments. Manage MID Servers, Discovery Patterns, Sensors, IRE, CMDB Health, credentials, performance, and cloud resource discovery across AWS, Azure, and GCP. Develop Python automation and use AI-assisted development tools. Support ServiceNow solutions hosted primarily on AWS, participate in live technical interviews, maintain a ServiceNow PDI, and complete background, employment, and certification verification.

Design, develop, and maintain scalable web services for a B2B SaaS application. Write tested code primarily in Go, manage PostgreSQL schemas and queries, and research AI-powered tools for software development and CI/CD optimization. Collaborate with product, design, and engineering teams to deliver user-focused solutions. Mentor engineers, promote best practices, and contribute to technical excellence.

Designs, develops, tests, deploys, and supports UiPath automation workflows, bots, and reusable components. Responsibilities include analyzing business processes, gathering requirements, creating process and solution design documents, configuring Orchestrator, troubleshooting production issues, monitoring performance, maintaining documentation, and supporting compliance, deployments, and continuous improvement.

Develops and supports enterprise EDI integrations by creating and troubleshooting maps, configuring IBM Sterling B2B Integrator, onboarding trading partners, monitoring transactions, coordinating testing and deployments, and resolving production issues. The role integrates EDI with Infor M3 ERP and other systems using APIs, web services, databases, and secure communication protocols. It also documents technical processes, performs root cause analysis, and supports production .NET, IIS, SQL Server, and integration environments.