Top Remote Software Engineer Jobs in St. Louis, MO

Design, build, test, and maintain React Native features for Hertz consumer mobile apps on iOS and Android. Collaborate with cross-functional teams, integrate APIs and third‑party services, optimize performance, resolve production issues, contribute to CI/CD and testing, and improve mobile UX and accessibility.

Drive technical strategy and roadmap for Affirm's Online Storage platform. Design and build multi-region, highly available datastore solutions and control planes for hundreds of databases. Automate schema migrations, disaster recovery, sharding, and performance tuning. Collaborate with product, SRE, and infrastructure teams, own operations and on-call readiness, and mentor engineers while setting code and design standards.

Lead and set technical strategy for the Order Platform powering post-checkout flows (orders, captures, refunds, settlement). Design and ship highly available backend systems, own reliability/operational practices, mentor engineers, collaborate cross-functionally, and drive long-term technical decisions and execution plans.

Build and maintain the AI-powered learning platform across a TypeScript/React frontend and Python/FastAPI backend. Integrate LLMs for classification, extraction, personalization, and conversation practice. Design scalable APIs, develop real-time interactive features, apply AI-assisted development workflows, write well-tested code, and collaborate with product, design, and education teams to optimize learning experiences and A/B tests.

Develop on-vehicle and simulation software across the autonomy stack: planning behaviors, sensor and payload integration, embedded/vehicle platforms, realistic UxS simulation, and electronics prototyping. Ensure reliable, testable code and support onsite test/integration events (up to 25% travel).

Define and own autonomy architecture for large-scale UAV swarms: design perception, planning, control, and inter-robot/C2 protocols; make system tradeoffs; mentor engineers; write production-quality code; support test events (up to 25% travel).

Lead design and implementation of scalable backend services and member-facing APIs using Python/Django, PostgreSQL, BigQuery/dbt and GCP. Own infrastructure as code (Terraform), container orchestration (Docker, Kubernetes), async/event-driven systems, observability, and performance tuning. Mentor engineers, collaborate with Product and Data teams, and ensure secure, low-latency, AI-driven member experiences.

Design, develop, and maintain cloud-native applications using Node.js and React. Implement infrastructure-as-code (Terraform/CDK), deploy CI/CD pipelines, troubleshoot Linux systems, ensure secure AWS deployments, and collaborate with cross-functional teams to operate cloud workloads.

As a Software Engineer, you'll develop and deploy software for cyber defense, handle digital twin model construction, and perform site reliability operations.

Design, develop, test, and support full-stack healthcare applications across the application stack. Modify and maintain existing software, enforce development best practices, participate in QA and SDLC processes, and collaborate with product, architecture, and support teams to deliver reliable solutions.

Design, develop, deploy, and support Epic integrations and related applications. Contribute to architecture and technical decisions, participate in code reviews, and maintain CI/CD pipelines. Provide Tier-2 production support, incident management, root cause analysis, and documentation. Collaborate with Epic analysts, product, QA, and operations to deliver scalable, secure healthcare integration solutions.

Build and enhance full‑stack cloud-native applications using Java/Spring and JavaScript/React. Own the full SDLC, apply TDD and CI/CD, troubleshoot production issues, mentor junior engineers, and drive technical direction as experience increases from contributor to Lead.

Build intuitive interfaces for construction workflows using React and TypeScript, optimizing performance and creating data-rich dashboards.

Sola seeks a Software Engineer for Desktop Automation to own and enhance their execution platform, focusing on reliability and integrating with AI pipelines.

The Software Engineer will design and implement systems across the stack, focusing on AI-native engineering principles, distributed systems, and high-performance data processing.

Design, build, and operate backend systems for a mortgage lending platform. Own backend responsibilities from design through production, focusing on scalability, performance, reliability, and multi-service architectures while collaborating with product and full-stack engineers.

Join an early-stage platform team to scale and mature a mortgage origination platform. Work across the stack to improve distributed systems, performance, observability, and infrastructure tooling, and help define engineering standards and frameworks for growth.

Build and maintain full-stack features on a product-oriented team, owning product areas end-to-end. Ship customer-facing functionality, design and optimize data models and schemas, work with React state management, relational databases, cloud services, event streaming, caching, and AI tools. Collaborate cross-functionally, take high ownership, and occasionally support mission-critical work outside normal hours.

Build and scale the platform infrastructure to support mortgage origination: design cloud architecture, deploy and operate Kubernetes-based systems, manage databases, implement observability and incident response, and create internal developer tooling to improve reliability and engineering velocity.

Build and scale the frontend for a cloud-based mortgage origination platform. Lead React and TypeScript development, contribute to technical tooling and design system, collaborate with design and engineering to deliver production web applications handling complex data models.

Design, build, scale, and operate a Kafka-compatible, object-storage-backed streaming platform. Own backend services, storage engine, multi-tenant control plane, transactions and multi-region features. Troubleshoot complex distributed systems, ensure operational readiness and SLAs, participate in on-call rotation, and contribute across the full stack including developer console UI.

As a Full-Stack Software Engineer, you'll build user-facing features, optimize GraphQL backend, and develop scalable systems, contributing significantly to the company's growth.

Build and maintain the core backend product: design and implement features, take ownership of end-to-end outcomes, iterate and fix bugs without a QA team, collaborate with product on scoping, and contribute to company culture and hiring.

Develop, configure, integrate, and operationalize command-and-control (C2) and Common Operating Picture (COP) applications. Build workflow automation, event management, alerting, data fusion, dashboards, and operator-focused UX. Support testing, interoperability validation, demonstrations, and operational readiness while collaborating with systems engineering and stakeholders.

Develop and improve software, provide technical leadership to development teams, build APIs and BPMN-based process automation, support user documentation, and deliver low-code/no-code solutions using Appian, Salesforce, or Nintex with Microsoft SQL Server and .NET in agile/hybrid environments.