Top Remote Software Engineer Jobs in St. Louis, MO

Build and maintain intuitive frontend web applications for data upload, search, visualization, and interactive 2D/3D geospatial tools. Collaborate with scientists to design complex visualizations, modernize the frontend stack, mentor junior developers, and implement automated UI testing and deployment pipelines.

Design, build, and maintain backend services, APIs (REST/GraphQL), and database schemas. Own backend architecture, optimize performance and scalability, enforce CI/CD best practices, lead design/code reviews, mentor junior developers, and collaborate cross-functionally to deliver features.

Lead frontend and full-stack development: architect and implement features, optimize rendering and performance (CSR/SSR/SSG), integrate with APIs/databases/cloud, set frontend standards, conduct code reviews, and mentor developers while collaborating with UX and product teams.

Lead backend and full-stack work on the Payments team, building multi-gateway integrations (Stripe, PayPal), payment APIs, and customer payment UIs. Ensure secure, compliant (PCI-DSS) payment flows, reliability, observability, and scalability across AWS/Kubernetes microservices. Partner cross-functionally to design architecture, implement settlement/reconciliation, and maintain high availability.

Expert-level full‑stack .NET engineer who designs, develops, tests, and supports secure, scalable enterprise applications. Leads large projects, authors technical specs, mentors engineers, enforces SDLC and security/audit requirements, participates in Agile/Scrum, and drives technical strategy and innovation. Availability for occasional travel and on-call support is required.

Build automated email follow-up plugins and integrations for insurance claim systems (Google Workspace initially, possibly Outlook). Develop web applications and hardware-software integrations for mitigation equipment. Deliver reliable, fast-turnaround code while managing multiple fast-paced projects in a startup environment.

Design and build scalable backend systems for a multi-tenant travel commerce platform. Orchestrate AI agents, implement guardrails and feedback loops, own end-to-end features, and collaborate with PMs and senior engineers to ship partner-facing products rapidly.

Lead design and implementation of the PSA Liquidity Platform connecting buyers and sellers. Build buyer tooling, matching/ranking engines, and seller experiences. Architect and operate microservices and Kafka-driven systems on Kubernetes/AWS, instrument observability, apply AI tooling across the SDLC, and drive cross-functional delivery from 0-to-1 while owning end-to-end outcomes.

Lead frontend architecture and implementation for a high-performance SPA and Node.js BFF. Solve algorithmic, concurrency, and memory challenges, optimize performance and builds, drive observability, security, and CI/CD, mentor engineers, and collaborate with product, UX, and SRE teams to deliver resilient, distributed real-time collaborative features.

Design, develop, test, and deploy Go and Python microservices for a B2B financial platform. Collaborate cross-functionally, support client onboarding and documentation, build automations, monitor system reliability, and later transition to product development or team lead responsibilities.

As a Software Engineer in AI Infrastructure, you will design and develop core platform components, build APIs and services, enhance performance, and automate tooling while collaborating across teams and improving system reliability.

Lead backend Java development and architecture for enterprise applications. Design and deliver scalable, resilient microservices and APIs, mentor developers, lead technical decisions, support production incidents, and implement CI/CD and cloud-native solutions on AWS.

The role involves full-stack software development, adhering to Agile practices, and collaborating across teams. Responsibilities include coding, testing, and maintaining software systems while mentoring team members.

Design, develop, test, and maintain scalable .NET web applications. Contribute to architecture and technical design, produce database objects, perform code reviews, mentor junior engineers, support production, and collaborate with cross-functional teams in Agile delivery.

Build and operate services and tooling to automate network lifecycle, ensure safe network changes, develop scalable observability and telemetry, integrate network source-of-truth via APIs, and collaborate with network engineers and SREs to deliver production-grade automation and reliability.

Develop and improve systems software and algorithms that steer global Internet traffic. Enhance scalability, reliability, and performance of mapping systems, troubleshoot, measure system effects, and collaborate across teams to deploy and monitor software.

Lead architecture and hands-on implementation of an offline-first edge computing platform in Go. Design distributed messaging and cloud-to-edge synchronization, optimize services for resource-constrained in-store hardware, maintain Kubernetes/Helm deployments, mentor engineers, and collaborate with Product and DevOps for phased rollouts and migrations.

Build and maintain Back of House data delivery and related BOH projects using AWS serverless technologies. Write code and unit tests, collaborate with SRE/QE/security/product teams across Yum! Brands, document data flows, and improve tooling and processes to increase restaurant operational efficiency and data integrations.

Lead design and implementation of developer tooling (SDKs, CLI, workflows), set API governance and technical standards, advocate developer experience across product teams, run community events and livestreams, and deliver high-impact cross-team SDK and platform initiatives to improve reliability, performance, and developer adoption.

Design, develop, deploy, and maintain cloud-native full-stack features and APIs. Improve performance, reliability, and security; write tests; debug production issues; collaborate with product, SRE, QA, and support teams; use AI-assisted coding tools to accelerate delivery.

Design, build, and maintain software applications; collaborate with engineers, analysts, and stakeholders; resolve bugs and production issues; write scalable, testable code; perform testing and debugging; produce technical documentation; mentor peers; participate in on-call rotation; leverage the team's data ecosystem to inform application design and improvements.

Build and maintain production-grade iOS apps using Swift and SwiftUI; integrate RESTful APIs for insurance and payments; implement AI-assisted features; optimize performance and reliability; add analytics and crash reporting; collaborate with backend, design, and AI/ML teams to ship scalable App Store-ready releases.

Design, build, and maintain production-grade Android applications in Kotlin. Integrate backend APIs for insurance and payment workflows, implement AI-assisted mobile features, optimize performance and reliability, and ship scalable, secure releases while collaborating with product, design, backend, and AI/ML teams.

Design, develop, and maintain scalable .NET-based applications. Contribute to solution architecture, write and unit test code, perform code reviews, mentor junior engineers, develop database objects, support production, and collaborate with product, data, and client teams in an Agile environment.

SkillBridge software engineering intern working with product, design, and engineering teams to deliver user-driven software, introduce agile practices (TDD, continuous deployment, design thinking), pair-program, and collaborate with federal clients. The role supports cloud, platform, security, and application work and includes a 40 hr/week apprenticeship for transitioning DoD service members.