Top Software Engineer Jobs in St. Louis, MO

Own and scale Ashby’s demo environment system by customizing templates, generating realistic data, creating vertical-specific demos, and standing up trial and sandbox environments. Ensure new releases are demo-ready, document system usage, and enable go-to-market teams. The role requires hands-on work with JSON, APIs, data preparation, automation, internal tooling, and close collaboration with Engineering, Product, and Solutions Engineering.

Lead front-end engineering for enterprise transportation applications using React, TypeScript, and Material UI. Responsibilities include front-end architecture, reusable component development, accessibility, responsive design, API integration, SQL troubleshooting, testing, CI/CD, code reviews, mentoring, Agile planning, modernization, and production support. The role independently leads features from requirements through deployment while collaborating with designers, product owners, analysts, engineers, testers, DevSecOps teams, and government stakeholders.

Design, build, test, and maintain high-volume, low-latency backend applications. Lead software development across the full lifecycle, analyze requirements, create technical designs and documentation, resolve technical issues, propose infrastructure improvements, and support architectural reviews. Collaborate with cross-functional teams to align technical solutions with business objectives while applying modern development practices and cloud technologies.

Develop, test, document, maintain, and integrate software applications supporting business needs. Responsibilities include writing clean code, fixing bugs, improving performance, troubleshooting, documenting systems, collaborating with engineers and business analysts, and participating in agile development processes.

Design, develop, test, troubleshoot, document, and deploy enterprise MuleSoft integrations, APIs, and connectors using Anypoint Platform and CloudHub. Optimize scalability, reliability, and performance; collaborate on integration testing and code reviews; integrate ERP, CRM, database, cloud, and third-party systems; and provide technical guidance to junior developers.

Defines solution architectures, technical standards, and technology direction for healthcare software products. Leads complex design decisions, evaluates AWS and integration technologies, promotes scalable microservices and event-driven architectures, and oversees performance, security, compliance, and reliability. Partners with Product, Program Management, Infrastructure, Security, and Engineering teams to guide implementation and governance. Mentors engineers, documents architectural decisions, supports integrations, and provides technical leadership without direct people management.

Design and scale backend services, data pipelines, event-driven systems, and integrations supporting autonomous manufacturing operations. Build LLM agents and RAG workflows for supplier document analysis, manage PostgreSQL data models, integrate ERP and freight APIs, implement caching and rate limiting, and establish observability and incident response practices. The role requires transactional processing expertise, NLP/ML pipeline experience, and manufacturing supply chain domain knowledge.

Build and own user-facing features and core platform architecture across frontend, backend, and ML pipelines. Integrate AI workflows (LLMs, embeddings) for curriculum generation and automated evaluation. Manage end-to-end development: requirements, design, implementation, CI/CD, testing, observability, and iteration while collaborating with product, design, ML, and customer teams.

Develops and delivers resilient full-stack applications and services for Vantage’s reinsurance business. Responsibilities include application design, coding, debugging, testing, architecture discussions, risk management, roadmap estimation, stakeholder consultation, and coordination across project teams. The role promotes software engineering standards, DevSecOps, CI/CD, agile practices, innovation, and mentoring while building solutions with JavaScript, React, Node.js, Python, cloud, serverless, and modern infrastructure technologies.

Leads software engineering teams and enterprise application portfolios supporting sales execution, order management, CRM, ERP, and integrations. Owns solution strategy, architecture, delivery, roadmaps, application stability, security, testing, releases, budgets, vendors, and service performance. Partners with business and technology stakeholders to prioritize capabilities, manage risks, drive modernization, ensure adoption, and develop high-performing teams.