Top Software Engineer Jobs in St. Louis, MO

The PeopleSoft Developer will design, develop, implement, and support PeopleSoft applications, requiring experience in PeopleTools, SQL, and a strong understanding of ERP solutions.

Develop and manage data collection infrastructure for AI model training, utilizing cloud services and collaborating with scientists to enhance data quality and processing.

Develop and optimize high-throughput, low-latency C++ applications for performance and reliability. Responsibilities include identifying bottlenecks and bugs, refactoring code, conducting peer reviews, developing automated tests, debugging multithreaded systems, and collaborating with QA, Operations, architects, product owners, and cross-functional teams to resolve performance issues.

Design, build, deploy, and support Amazon Connect IVR contact flows and serverless services. Develop Lambda functions (Node.js/Python), integrate Lex bots, implement secure secrets/config management, ensure resilient failure handling, use DynamoDB for IVR state, and deliver via CI/CD pipelines with documented runbooks and QA collaboration.

The Senior Software Engineer role involves developing enterprise applications using Java, JavaScript, or Python, managing databases, and providing support for geospatial information systems, among other responsibilities.

The Perl Developer will rewrite an application on a new platform, design front-end interfaces, add features, and improve user experience, while collaborating with cross-functional teams and ensuring quality deliveries.

Senior full-stack developer responsible for end-to-end design and delivery of AWS cloud-native applications. Build reactive UIs (React/Vue), backends (Java/Python/Go/C++), implement IaC (CDK/Terraform/CloudFormation), containerize and orchestrate (Docker/Kubernetes/ECS), secure networks and IAM, and deploy production-ready systems. Active TS/SCI with polygraph required.

Design, develop, and maintain secure, scalable full-stack web applications across backend, APIs, and frontend. Collaborate with product and design, perform code reviews, mentor engineers, troubleshoot complex issues, and drive continuous improvement and AI-enabled solutions throughout the SDLC.

Lead technical delivery of communications and networking demonstrators and prototypes for defence. Design and implement software-enabled wireless systems (SATCOM and terrestrial), translate concepts into scalable architectures, apply embedded and cloud-native techniques (containers, microservices, Kubernetes/K3s, edge deployments), mentor a small engineering team, engage stakeholders, and support research, innovation and future bids through prototype trials.

Design, build, and maintain Optimizely CMS-based headless sites with Next.js/React front ends. Implement GraphQL/REST APIs, DAM integration, CI/CD on Azure, and performance, SEO, and accessibility optimizations. Collaborate with product owners, designers, and developers; participate in code reviews, testing, and debugging to deliver scalable digital experiences.