Top Software Engineer Jobs in St. Louis, MO

Develop and maintain C++ autonomy services for manned, unmanned, and autonomous aircraft programs. Build containerized services in Linux, implement OMS/UCI interfaces, integrate software across simulation and flight environments, and support testing, code reviews, CI/CD, DevSecOps, documentation, and Agile development. The role applies software engineering, AI/ML, robotics, and defense mission-system concepts to aerospace applications.

Develop and maintain cloud-native, non-embedded software and microservices for aircraft and vehicle health management platforms. Responsibilities include software architecture, design, coding, testing, integration, debugging, root-cause analysis, customer support, technology evaluation, process improvement, and participation across the Agile software development lifecycle within a CI/CD environment.

Designs, develops, tests, integrates, debugs, and sustains non-embedded software for military platform health management systems. Translates customer requirements into software architectures and implementations, supports CI/CD and Agile development, manages interfaces and documentation, troubleshoots user issues, improves software processes, and contributes to research, project management, supplier oversight, compliance, and certification activities.

Paid, full-time software engineering internship supporting the SOC Operational Intelligence team. Responsibilities include developing Python data pipelines and packages, contributing to internal web applications, supporting AI agents and bots, writing automated tests, and improving developer tooling. The intern will work on production software, ETL pipelines, operational automation, and integrations with systems such as Jira, Ivanti, and Datadog while participating in mentorship, networking, professional development, and team projects.

Lead enterprise engineering strategy and solutions across complex business and technical challenges. Advise leadership, shape long-term technology direction, resolve large-scale problems, translate strategic objectives into engineering solutions, and promote innovative technologies. Collaborate across distributed, cross-functional Agile teams while maintaining expertise in modern development practices, AI-assisted development, application technologies, databases, and operational excellence.

Lead design and implementation of modernized insurance underwriting and policy administration solutions. Drive cloud transformation, data-driven and secure architectures, improve risk selection and claims resolution, enhance customer experience through automation, mentor technical teams, manage client relationships, and oversee project lifecycle, budgets, and delivery quality.

Provides technical leadership for enterprise full-stack applications and microservices using React, Node.js, .NET, and Azure. Leads legacy-platform modernization, cloud migration, data integration, messaging, SQL and Delta Lake architecture, AI-powered automation, frontend UI migration, security compliance, and technical debt reduction. Mentors cross-functional engineering teams and guides platform innovation.

As a Software Engineer in Frontier AI Infrastructure, you'll design secure systems for the public sector, improve engineering standards, and collaborate with cross-functional teams to meet government requirements. You'll also participate in customer engagements and contribute to the product strategy while ensuring compliance with federal regulations.

Designs and builds Salesforce architecture supporting patient, clinician, insurance, and operational workflows. Responsibilities include Salesforce development and automation, system integrations, data modeling, security, monitoring, recovery, technical standards, deployment processes, stakeholder alignment, and mentoring. The role requires architecture ownership for complex implementations and experience in regulated or HIPAA-compliant environments is preferred.

Build and scale backend data platforms and services for real-time loan origination and financial reporting. Lead quarterly delivery, guide engineers, define technical plans, collaborate with product and design partners, improve reliability and operational practices, monitor service metrics, participate in on-call support, uphold engineering quality standards, and mentor team members. The role requires developing highly available distributed systems and scalable data pipelines using technologies such as Python, Kotlin, AWS, MySQL, Kubernetes, Spark, and Airflow.

As a Senior Principal Engineer, you'll define and drive the technical strategy for customer experience platforms, lead architectural decisions, and mentor engineering teams to enhance customer and agent experiences.

Leads a team providing advanced Tier 4/L3 support for enterprise applications. Responsibilities include resolving complex production issues, performing root-cause analysis, guiding software development and architecture, mentoring engineers, improving reliability and observability, designing automation, managing incidents, and partnering with development, infrastructure, security, and cloud teams across Microsoft and Azure environments.