Top Software Engineer Jobs in St. Louis, MO

Develop, enhance, test, deploy, and support clinical applications within the IHS RPMS system. Analyze requirements, translate designs into code, troubleshoot complex software issues, address accessibility and security considerations, support testing and documentation, provide customer support, and report on technical findings and project progress while collaborating with multidisciplinary teams.

Leads a high-performing engineering team responsible for core services and systems. Focuses on people management, coaching, hiring, team development, strategic execution, technical direction, architectural feedback, operational excellence, and cross-functional collaboration. The role manages employees and contractors, sets priorities and metrics, addresses technical risks, navigates ambiguity and organizational change, and promotes inclusive, high-performing engineering practices. This is a remote position requiring U.S. citizenship, Public Trust 6C eligibility, and approximately 10–20% business travel.

Design, configure, and extend the ServiceNow platform including Service Portal, Catalog, ACLs, Flow Designer, integrations, Document Intelligence, and workplace modules. Develop client/server scripts, widgets, and automation; support upgrades, ATF, instance cloning, and platform governance. Collaborate in Agile with stakeholders, mentor junior staff, estimate work, and drive solution design and process improvements.

Design, build, and scale resilient distributed payment systems handling 1,000+ transactions per second. Collaborate with Product, Revenue Operations, Cloud Platform, and Security teams to shape product requirements and roadmaps. Lead AI-augmented software delivery, code reviews, testing, observability, performance optimization, incident response, on-call rotations, and root cause analysis while maintaining strict security, reliability, and low-latency standards.

Leads an autonomous team of 8–10 engineers developing payment acceptance and value-added services such as network tokens, account updater, 3DS, and account validation. Oversees AI-augmented software delivery, architecture, hiring, coaching, roadmap collaboration, reliability, security, incident response, testing, observability, and compliance. Partners cross-functionally to deliver scalable, secure, enterprise-grade financial products and participates in on-call rotations.

Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.

Leads technical direction and execution for major products and systems. Designs scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure; remains hands-on with coding, prototyping, reviews, debugging, and production support. Drives architecture trade-offs, converts ambiguous problems into technical plans, improves engineering quality, leads critical initiatives, and mentors engineers across distributed international teams.

Leads application engineering for an AI-powered email product, owning backend, mobile, and desktop architecture. Designs reliable AI workflows with orchestration, state management, retries, fallbacks, and failure handling; builds APIs connecting AI capabilities to product experiences; and leads a senior engineering team through architectural decisions, reviews, mentorship, and production excellence. Partners with ML leadership to ship scalable, observable, secure, and reliable systems while balancing latency, cost, user experience, and maintainability.

Lead the architecture and development of reliable AI-powered email applications across backend, mobile, and desktop platforms. Design APIs and workflow systems supporting orchestration, state, tool use, retries, fallbacks, and failure handling. Lead a small senior engineering team, make architectural trade-offs, mentor engineers, and establish strong production practices including observability, monitoring, testing, scalability, security, and operational excellence. Partner with ML leadership to deliver robust, high-quality product experiences.

Lead design and delivery of enterprise Adobe Experience Platform solutions. Architect schemas, identity, ingestion, governance, personalization, and integrations with CRM/data lakes. Optimize CI/CD and deployment processes, mentor engineering teams, coordinate cross‑functional stakeholders, ensure security/privacy compliance, and produce architecture documentation and implementation roadmaps.

Lead and scale a Support Engineering function for Ashby across the Americas. Own vision, operating model, escalation/triage standards, reporting, tooling, and cross-functional feedback with Product and Engineering. Manage a Support Engineering Manager, drive hiring and career paths, and use data to reduce recurring technical friction while balancing immediate customer resolution with durable product improvements.

The Full Stack Engineer will design, build, and maintain scalable web applications, impact customer onboarding and integrations, write and review code, and support technical improvements.

Build and maintain secure, compliant software for a CDC disease surveillance platform. Partner directly with health departments during onboarding, migration, and troubleshooting; diagnose product gaps and configuration issues; develop scripts, integrations, and configurations without forking the core platform; collaborate with platform, data, and epidemiology teams; and identify recurring jurisdiction needs for future product features.

Build polished consumer-facing web and mobile experiences, primarily developing React Native features while maintaining native iOS and Android applications. Collaborate with product and design to turn feedback into shippable improvements. Work across APIs, native integrations, analytics, media, debugging, and existing Swift and Kotlin codebases. Develop with React, TypeScript, Next.js, and modern web technologies while addressing real-device performance, navigation, gestures, responsiveness, and platform-specific issues.

Own and ship polished web, iOS, and Android user experiences. Build and debug native and web UIs, integrate APIs and analytics, collaborate with product/design, and iterate quickly on high-quality, media-heavy features with strong UX focus.

Lead and architect scalable web systems, mentor frontend and backend developers, define coding standards and roadmaps, drive implementations using React/Next/Node/NestJS, produce technical documentation, conduct code reviews, and collaborate with product and DevOps to deliver secure, maintainable solutions.