Top Software Engineer Jobs in St. Louis, MO

Design, build, and deliver front-end features with strong UX focus. Own technical design, coding, testing, deployment, and monitoring in a continuous delivery, microservices environment. Collaborate with Product, implement automated QA practices, and contribute to production deployments while practicing robust testing methodologies.

Build and maintain a Java and Drools business rules engine governing eligibility, suppression, frequency capping, and consent. Develop Spring services, REST APIs, and Kafka integrations while ensuring deterministic behavior, exactly-once side effects, performance, testing, and compliance in a PHI-handling environment. Collaborate with Product and compliance teams, participate in code reviews, and support cloud-native deployments using Kubernetes and CI/CD.

Leads Root’s Telematics Technology engineering domain, overseeing telematics data platforms, feature stores, trip pipelines, APIs, and customer-facing experiences. Responsibilities include setting technical strategy and roadmaps, partnering with Data Science, Pricing, and Underwriting, managing and developing engineering teams, recruiting, guiding distributed-system architecture, and improving reliability, observability, scalability, delivery processes, and production stability. The role also drives AI-tool adoption and may oversee production machine-learning systems.

Build and scale full-stack platforms for independent insurance agents, with a front-end focus. Develop, test, deploy, monitor, and support resilient software solutions; collaborate with Design, Product, engineering teammates, and business stakeholders; investigate customer problems; resolve production incidents; document work; and improve code and development processes.

Own and evolve Voltus’s infrastructure platform, including Kubernetes and Nomad workloads, AWS architecture, identity and secrets, stateful systems, observability, infrastructure as code, CI/CD, and developer tooling. Lead business-critical migrations with minimal downtime, establish reliable deployment and rollback practices, mentor engineers, participate in on-call, and build secure infrastructure supporting AI-assisted development.

Build and scale full-stack platform services for user onboarding, identity management, privacy controls, and secure public-safety workflows. Develop React applications, Node.js APIs, database models, and complex SQL queries. Containerize applications with Docker, deploy Kubernetes microservices using Helm, and leverage AWS services including S3, API Gateway, and SQS. Solve authentication, authorization, performance, and data-security challenges while shaping foundational platform architecture.

Lead frontend architecture and implement responsive React/TypeScript web applications and low-latency live video playback. Optimize UI performance, design client-server APIs to cloud microservices, and collaborate with product, design, and backend teams to deliver real-time, high-traffic video features.

Leads Huge’s global technology practice, engineering strategy, client technology engagements, project delivery, business development, and innovation initiatives. Oversees distributed engineering teams, enterprise architecture, quality, security, vendors, and complex digital solutions. Guides adoption of Adobe and AEM, cloud infrastructure, microservices, AI tooling, autonomous agents, authentication, e-commerce, and modern DevOps practices while mentoring technical talent and partnering with creative and account leadership.

Build and own full-stack features, platform primitives, and integrations for Vanta Government Cloud. Design secure APIs and services for authentication, data ingestion, schema evolution, monitoring, and framework mappings. Operate integrations within the GovCloud boundary, including observability, on-call support, incident response, change management, performance improvements, and automated testing. Collaborate with federal subject-matter experts, agencies, vendors, and assessment organizations while using AI responsibly to improve development and operations.

Lead architecture and rollout of scalable platform services and customer-facing APIs. Define API standards, service boundaries, security, reliability, and developer experience; collaborate with data-platform teams; drive RFCs and complex multi-quarter initiatives; mentor engineers; and contribute across the stack using TypeScript, Node.js, React, and AI tools.

Lead full-stack growth engineering across eligibility, identity, access, client configuration, and reporting systems. Build Python-based GraphQL and REST APIs, React and React Native experiences, scalable database systems, and secure HIPAA- and GDPR-compliant solutions. Own ambiguous cross-domain technical projects, write RFCs, coordinate roadmap delivery, mentor engineers, contribute to engineering strategy, and participate in on-call operations and remediation.

Build and maintain scalable microservices, APIs, and responsive React/TypeScript UIs for a modular security-operations platform. Integrate sensors and devices, implement real-time features (WebSockets, Kafka), design data models, participate in CI/CD, code reviews, sprint planning, and optimize full-stack features in a DevOps environment.

Leads technical architecture and roadmap for Mattermost’s core web platform across Go, React, and TypeScript. Owns distributed systems, API design, testing strategy, internal engineering tooling, security and compliance alignment, and quality standards. Mentors senior engineers, influences multiple teams, drives AI-agentic development practices, and contributes to the open-source codebase.