Top Software Engineer Jobs in St. Louis, MO

Define and drive full-stack architecture and technical vision across teams, write high-quality production code, lead zero-to-one projects, productionize ML systems, own reliability and SLOs, mentor senior engineers, and align engineering roadmaps with product and company strategy.

As a Software Engineer at Espresso, you will design and implement core blockchain infrastructure in Rust, focusing on transaction processing and consensus.

Lead Salesforce declarative configuration and architecture across the full project lifecycle. Serve as SME for advanced Flow and platform features, mentor junior configurators, collaborate with analysts and developers, drive scalable solutions, and support client discovery, deployment, and AI-enabled initiatives.

The Sr. MuleSoft Developer will oversee client integration platforms, implementing security and researching integration technologies while maintaining and developing solutions.

Lead development and maintain Microsoft Dynamics 365 CE Sales solutions, build forms, workflows, plug-ins, integrations, and reusable code. Drive DevOps practices, perform code reviews, lead design/POC efforts, mentor engineers, collaborate with product and QA, support deployments and production troubleshooting.

Lead technical design and architecture of large-scale Ceph clusters, drive capacity planning and major upgrades, resolve complex cross-functional production incidents, establish automation and reliability standards, and mentor engineers on advanced Ceph operations to scale the global storage platform.

Senior Product Engineer will build new products and prototypes, improve legacy systems, use AI-assisted tools to accelerate development, define specs and tests, enforce strong automated testing and CI/CD, partner across product and ops, and drive production-ready, observable, and maintainable releases.

Lead architecture for Taco Bell’s ecommerce ecosystem (mobile, web, middleware, integrations). Define scalable, reliable serverless and microservices solutions, guide migrations, assess feature feasibility, mitigate risks, and align roadmaps with internal and external partners while promoting architectural best practices.

Design, develop, and support scalable Oracle HCM Cloud solutions including integrations, HCM Extracts, BI Publisher reports, Fast Formulas, and data engineering. Translate requirements, perform testing and root cause analysis, optimize performance, support releases, and mentor technical staff.

The Solutions Consultant at Mach9 will leverage geospatial expertise to assist clients in adopting and integrating Mach9 software into their workflows, enhancing efficiency in 3D mapping and data delivery. Responsibilities include conducting technical demonstrations, onboarding customers, and serving as a trusted advisor to ensure effective use of the software.