Top Senior Software Engineer Jobs in St. Louis, MO

The Senior Software Engineer will build and enhance features for the Rise Course Authoring platform, focusing on usability and accessibility, while collaborating with team members and influencing application architecture.

Build and operate full-stack, production-ready systems: design and ship AI-native mortgage automation, integrate third-party lending APIs, and architect scalable AWS infrastructure and job processing. Mentor engineers and ensure security, observability, and high reliability.

Lead embedded Linux development and customer-facing engineering: design/refactor real-time architectures, develop kernel drivers, debug low-level hardware/software issues, optimize performance, produce technical proposals, and ensure delivery quality for professional services engagements.

As a Senior Software Engineer, you will build and scale core communication systems, develop full stack features, and ensure system reliability for a fast-growing SaaS company.

As a Senior Software Engineer, you will design and develop backend systems, optimize application performance, and mentor team members while building intuitive front-end features.

The Staff Software Engineer will lead technical decisions, mentor engineers, and design scalable systems for consumer-facing software at Stord.

Design, build, and operate backend services and data infrastructure powering member-facing and clinical workflows. Implement and maintain APIs, optimize performance and scalability, debug production issues, and collaborate with product and frontend teams to deliver reliable, secure backend solutions.

The Senior Software Engineer will design, develop, and maintain backend services for an IAM platform, collaborating with cross-functional teams to ensure robust and scalable solutions.

As a Sr. Software Engineer at VGS, you'll develop and maintain the Credential Management Platform and enhance the Event Pipeline, collaborating across teams to build high-throughput services.

Develop and maintain batch and streaming ingestion systems for global geospatial data at scale. Build, deploy, and monitor ETL/data processing workloads on AWS, collaborate with cross-functional teams, mentor engineers, improve operational quality, reduce technical debt, and be on-call to ensure system reliability.

Build and maintain the Cribl Search full-stack user experience: design and deliver scalable, high-performance web features, APIs, and visualizations; participate in full SDLC, on-call rotations, testing, and CI/CD practices.

Own and deliver reliable, secure software in a regulated healthcare environment. Drive solutions from ambiguity to production, build automation to reduce developer toil, mentor engineers, champion AI-assisted coding, and optimize database performance and schemas.

The Senior Software Engineer II will design backend systems in Go, develop full-stack features with React/TypeScript, provide technical leadership, collaborate across teams, and maintain systems in production.

As a Senior Backend Engineer at Afresh, you will lead the design and development of scalable APIs for an AI-powered ordering product, drive projects through the entire development lifecycle, and mentor junior engineers.

Design and implement automation, analytics, and release engineering to scale the autonomy stack. Build tooling and visualizations to turn high-dimensional data into actionable insights, improve CI/CD and deployment automation, and enhance virtual testing and simulation fidelity while collaborating across planning, motion, and controls teams.

Lead the development of user-facing features, collaborate with team members, and mentor others while ensuring a high quality of software design and implementation.

Design, build, and scale features and services for global ticketing platforms. Implement APIs, optimize performance for high traffic, lead architecture, mentor teams, and ensure high-quality, well-tested code.

Design, build, and optimize scalable, high-performance backend services and public APIs for global ticketing platforms; participate in design/code reviews, improve security against fraud/bots, and mentor junior engineers.

The Senior Software Engineer will develop and maintain the LLM gateway service, collaborate with teams to optimize customer workflows, and ensure high performance and reliability in software delivery.

Design, build, and maintain backend systems while ensuring data integrity, performance, and reliability. Mentor engineers and improve existing services.

As a Full-Stack Software Engineer, you will develop features and services using modern technologies, support legacy systems, and improve engineering practices.

As a Senior Software Engineer, you will work across the stack to create scalable and reliable systems for tracking freight intelligence, influencing architecture, mentoring, and collaborating with various teams.

Develop software for CNC machining automation, create algorithms for 3D engineering design, and implement CAD feature detection algorithms, requiring extensive experience in CAD/CAM and 3D modeling.

The QA Engineer will design and maintain automated testing frameworks for web, mobile, and backend systems, perform data validation, and collaborate with teams to integrate tests into CI/CD pipelines.

Design, build, and maintain software systems for FuturHealth's platform, focusing on web and mobile applications while collaborating with cross-functional teams to enhance patient experiences.