Top Software Engineer Jobs in St. Louis, MO

The Senior Software Engineer will enhance the Arrive Health Network platform by developing scalable systems, integrating with EHRs, and mentoring team members.

Lead the design and development of full-stack solutions for prescription decision-making, maintain backend systems, mentor engineers, and ensure system scalability.

Lead high-impact initiatives and architect enterprise-grade APIs while mentoring engineers. Collaborate across teams to influence technical strategy and scale platform architecture.

Design, build, and lead scalable API and platform features. Mentor junior engineers and drive technical initiatives from design to delivery.

The Staff Software Engineer will lead technical initiatives, drive quality code, mentor engineers, and work on scalable systems in a high-impact team environment.

The Staff Engineer will build web APIs and data pipelines for electricity cost modeling, collaborating across teams and ensuring efficient code in the energy analytics domain.

The Senior Software Engineer will develop robust systems using Elixir, collaborate on product strategy, and ensure system performance and reliability.

As a Software Engineer, AI/ML GenAI, you will design and implement AI features, manage embeddings, and optimize AI systems for production deployment while collaborating with product and design teams.

Seeking a Senior Elixir Engineer to develop scalable systems and contribute to technical decisions within product groups, focusing on Elixir and cloud technologies.

Own quality engineering for Commerce: run structured manual QA, build E2E automation (storefront, checkout, brand portal), wire tests into CI, define Shopify-specific compatibility playbooks, set quality metrics and gates, participate in planning and spec reviews, and lead the teamto shift coverage left.

Lead frontend development of production web applications using Svelte and other frameworks. Build reusable components, integrate REST/GraphQL APIs, ensure UI/UX quality, accessibility, and performance. Lead a small team, coordinate releases with QA, write tests, follow Git and CI/CD workflows, and collaborate remotely with stakeholders across the US.

As a Staff Software Engineer, you'll design and build backend services, lead system design efforts, mentor engineers, and ensure system quality and reliability.

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.

Lead the design and build of automation infrastructure for GTM, enhancing sales and marketing efforts through advanced engineering solutions.

The Senior Software Engineer will lead frontend development using React for Afresh's AI grocery platform, mentoring engineers and collaborating across teams to enhance web solutions.

Design, develop, test, and own SDKs and REST APIs for a next-generation analytics platform. Collaborate with Product Management, contribute to DevOps and quality frameworks, perform code reviews, and mentor teammates to deliver performant, well-tested software.

Design, develop, and maintain production-scale APIs and distributed systems in Golang on Kubernetes. Provide technical leadership, participate in design reviews, write tests and documentation, collaborate cross-functionally, improve developer workflows including AI-assisted tooling, and support on-call operations.

Lead design, implementation, and maintenance of scalable backend systems and services. Improve performance, reliability, and deployments; operate production systems (incident response rotation); conduct code reviews; mentor engineers; collaborate with product, sales, and customers.

The Senior Software Engineer will design, develop, and maintain scalable backend systems, optimize performance, and collaborate with other teams while mentoring junior engineers.

The Senior Software Engineer will develop software for automated mobile application analysis, lead implementation decisions, and mentor junior engineers.

As a Staff Software Engineer at Saris AI, you will lead the design and architecture of core systems, build AI-powered software for financial workflows, and drive engineering excellence while collaborating with product and leadership teams.

The Senior Software Engineer will modernize USPS shipping technology, refactor legacy systems for cloud integration, and develop high-performance services using Go, while collaborating with teams and addressing production challenges.

The Staff Software Engineer will build and maintain GoGuardian's Safety product suite, lead architectural decisions, mentor developers, and champion AI adoption in engineering workflows.

Build and maintain pipelines and web scrapers to create a large case-law dataset, implement metadata extraction (citations, overruling/appeals), ensure scraper reliability, optimize core utilities, expose data via APIs/websockets, and benchmark/evaluate tasks.

Lead agile teams to design, build, and maintain enterprise-grade Apple-focused software. Mentor engineers, produce designs, ensure high quality, testing, and performance, communicate with stakeholders, follow security/privacy protocols, and occasionally work onsite. Requires 5+ years of relevant experience and U.S. citizenship.