Top Senior Software Engineer Jobs in St. Louis, MO

As a Senior Software Engineer at Elastic, you will enhance search features and functionality in Elasticsearch, work on algorithms, and collaborate with a global team to improve search relevance.

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.

Responsible for developing complex, data-driven interfaces for Fleet Management systems, collaborating with backend engineers, ensuring tight alignment between UI and APIs, and building scalable frontend applications.

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.

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.

As a Senior Software Engineer at NexHealth, you'll build scalable back-end systems, maintain integrations with EHRs, and manage cross-functional engineering projects to support the company's growth.

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.

As a Senior Software Engineer (Backend), you will design and implement scalable applications, collaborate with agile teams, and mentor junior members while ensuring high code quality and performance.

The Senior Backend Engineer will design scalable backend systems, solve complex technical challenges, mentor junior engineers, and ensure the technical integrity of financial wellness tools.

As a Staff Software Engineer, you will design and implement high-volume ETL pipelines, optimize streaming performance, and mentor the engineering team, ensuring robust data infrastructure.

Lead the development of Fetch's measurement and attribution ecosystem by defining technical strategy, architecting systems, and mentoring engineers. Oversee integrations and ensure scalability while collaborating with cross-functional teams to meet business goals.

Design and build scalable web applications, collaborate on product direction, and implement complex systems using ML techniques, ensuring software quality.

The Senior Software Engineer, Infrastructure will enhance Epic's platform reliability, manage GCP infrastructure, and improve CI/CD processes while ensuring observability and security best practices.

Lead technical projects, collaborate with cross-functional teams, mentor junior engineers, and drive improvements in development practices in a cloud-based analytics platform.

As a Staff Software Engineer, you will design and maintain financial services, develop APIs, improve operations, and mentor engineers within a fintech startup.

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.

Develop and maintain advanced security software solutions, architect AI-enhanced microservices, and lead project teams for threat protection at GoDaddy.

Lead the design and development of secure, scalable applications as a senior full-stack engineer. Oversee projects from ideation to execution and mentor junior engineers.

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.

Own server-side and infrastructure for Fool.com using Next.js and TypeScript. Build route handlers, server components, API integrations, caching (Redis/Cloudflare), AWS/Docker deployments, observability with DataDog, and end-to-end tests with Playwright. Optimize SEO crawler surface, sitemaps, canonicalization, and collaborate with front-end, content, and platform teams.

Design and build core systems for a new application using Solana's infrastructure. Focus on low-latency, reliable services, and implement security measures.

The Senior Software Engineer will build and enhance backend systems, collaborate with teams on feature delivery, design scalable APIs, and promote engineering excellence through best practices.

Lead the development of scalable software solutions, design user interfaces, build backend services, manage AWS infrastructure, and optimize database schemas.

Design, build, and maintain backend systems for metrics and monitoring, collaborate across teams, and debug production incidents.

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.