Top Remote Software Engineer Jobs in St. Louis, MO

Build and ship customer-facing digital platform features for Slate’s direct-to-consumer EV brand. Responsibilities include designing, coding, testing, reviewing, and owning the quality of software components; integrating third-party APIs; collaborating with product and UX teams; solving problems independently; and supporting teammates through knowledge sharing.

Senior backend engineer responsible for designing and implementing new features, scaling and optimizing the platform, improving Postgres and Elasticsearch performance, fine-tuning LLMs, and making architectural decisions. Collaborate with engineering team, take ownership of features, write performant, maintainable code, and help shape product and infrastructure for data-intensive applications (NLP, search, indexing).

Develop and deliver native iOS features for MyFitnessPal’s AI-powered food logging experience. Responsibilities include implementing user interfaces, optimizing performance and network communications, building tested and secure solutions, collaborating with product and design teams, researching technical approaches, mentoring developers, and contributing to deployment and engineering best practices.

Develop and deliver native iOS features for MyFitnessPal’s Cal AI food-logging experience. Responsibilities include building interfaces in Swift, optimizing UI, storage, and network performance, implementing tests, researching technical solutions, collaborating with product and design teams, promoting engineering best practices, and mentoring junior developers.

Develop and lead frontend platform engineering for native and hybrid mobile applications. Build reusable, well-tested Android and iOS SDK components, contribute to architecture and system design, collaborate with product and engineering teams, own customer-facing deliverables, and identify product improvements while maintaining strong engineering standards.

Develop scalable backend software for lending infrastructure supporting loan origination, funding, servicing, and sales. Responsibilities include designing software modules, writing and testing maintainable code, building distributed and event-driven systems, participating in code reviews, and collaborating with senior engineers and cross-functional teams. The role uses C# or Python, relational and document databases, AWS, Docker, and Kubernetes, with emphasis on reliable, compliant financial technology.

The role involves designing, developing, and maintaining software applications. Collaboration with cross-functional teams is expected, alongside optimizing existing systems.

Senior frontend engineer responsible for developing and maintaining full-stack consumer-facing products. Owns features from design through implementation, testing, deployment, and bug resolution. Collaborates with product, UX, and business stakeholders; conducts code reviews; improves engineering processes, productivity, and code quality; documents workflows; estimates work; and mentors junior engineers. Requires expertise in React/Next.js, ORM and API development, Storybook, cloud technologies, and scalable always-available applications.

Develops, tests, supports, and maintains scalable web applications and software components across front-end and back-end technology stacks. Partners with Product Management to design solutions, contributes to Agile planning and architecture, troubleshoots deployed products, reduces technical debt, and provides technical guidance to less experienced engineers.

Design and develop highly available, fault-tolerant distributed edge computing platforms using Go, Kubernetes, microservices, and cloud technologies. Build scalable APIs, troubleshoot complex systems, conduct code reviews, optimize performance and security, collaborate cross-functionally, mentor engineers, contribute to planning, and maintain technical documentation.

Software Engineer II supporting production systems by triaging engineering escalations, resolving software bugs, shipping fixes, executing database changes, monitoring performance, and participating in on-call incident response. The role partners with product and engineering teams, documents solutions, reviews code, and owns projects that reduce recurring support issues. The engineer will work primarily with TypeScript, Node.js, React, PostgreSQL, Grafana, and Sentry in a remote-first environment.

Develop and maintain scalable SaaS solutions for financial reporting and capital markets customers. Responsibilities include full-stack development, system design, testing, monitoring, performance optimization, security, technical debt reduction, and collaboration with product managers, developers, and SRE teams. The role requires building reliable, secure, maintainable data-driven applications and contributing across the software development lifecycle.

Lead architecture and engineering for a new Provider Onboarding team. Build scalable, database-backed systems and custom tools supporting pricing, payments, client panels, and forms. Establish engineering practices, mentor senior engineers, guide cross-functional delivery, and oversee the full software development lifecycle from planning through post-launch maintenance. The role requires healthcare systems experience and ownership of complex, reliable products.

Lead architecture and development for a new Provider Onboarding engineering domain. Build scalable full-stack, database-backed applications and microservices supporting pricing, payments, client panels, forms, and provider workflows. Mentor engineers, establish design patterns, drive cross-functional delivery across the full software lifecycle, and improve operational reliability for a healthcare platform.

Lead the technical direction of Samsara’s shared geospatial platform. Build scalable data ingestion and processing pipelines, map data models, spatial APIs, map-matching and routing foundations, and reusable platform capabilities. Scale storage, querying, and computation for real-time features, consolidate team-specific solutions, mentor engineers, lead cross-team technical projects, and represent the company in the geospatial community.

Build and ship full-stack web and mobile experiences across Affirm’s consumer products. Break down projects, collaborate with product, design, and analytics teams, develop scalable APIs, write well-tested code, monitor service health, participate in on-call support, review code, and contribute to engineering growth and interviewing.

Develop and maintain cloud-based healthcare revenue-cycle software, build new features, modernize applications, perform code reviews and automated testing, address security vulnerabilities, troubleshoot production issues, and improve system performance. Collaborate with developers, product owners, support teams, and project leadership while applying Agile, CI/CD, TDD, and software development best practices.

Lead fraud decisioning engineering initiatives by architecting, building, launching, and maintaining complex backend systems. Drive cross-functional projects from definition through monitoring, write high-quality and resilient code, review technical work, mentor engineers, collaborate with Product, ML, Analytics, and Business teams, and contribute to hiring and interview design.

Build and ship full-stack fulfillment features covering refunds, replacements, reverse logistics, and servicing. Own features from design through deployment, release, and monitoring while developing scalable event-driven and AI-native applications. Build single-page applications, collaborate with designers and cross-functional teams, apply sound API and data modeling practices, and deliver AI/agentic features safely in production. Identify technical investments, communicate tradeoffs, and work independently through ambiguous problems.

Develop and maintain high-volume, low-latency Java applications across the full software development lifecycle. Design, test, debug, and analyze software; resolve technical issues; identify infrastructure improvements; and contribute to architectural reviews. The role requires cloud development experience, clean coding and test-driven development practices, strong communication with cross-functional partners, and the ability to align technical work with business objectives.

Develop and integrate software, algorithms, and data-processing pipelines for remote sensing, SAR, RF, radar, and geospatial systems. Responsibilities include architecture, backend and API development, workflow orchestration, sensor-data analysis, system integration, testing, optimization, deployment, and technical documentation. Collaborate across software, systems, data science, and intelligence disciplines while providing technical leadership on complex projects.

Build and scale SmartAsset’s web platform and content management systems across front-end and back-end services. Collaborate with product teams, stakeholders, senior engineers, and architects in an Agile Scrum environment. Contribute to technical design, architecture, roadmap execution, process improvement, risk mitigation, mentoring, and reliable operation of remote web products.

Leads a software support team responsible for production reliability, defect triage, code maintenance, deployments, vulnerability remediation, testing, and operational response. Develops and reviews code, coordinates Agile delivery, monitors production concerns, communicates risks, and partners with engineering, infrastructure, IT, QA, product, and customer experience teams to maintain secure, supportable digital learning applications.

Build and enhance a real-time LLM-powered healthcare platform across the stack. Develop features including onboarding, note customization, and in-the-moment clinical insights. Collaborate with product, design, clinical experts, and go-to-market teams to deliver scalable AI-first applications. Work directly with healthcare providers and contribute to robust engineering practices in a fast-paced startup environment.

Design, develop, and maintain scalable backend services and APIs (Node.js, Firebase). Optimize performance, ensure code quality via reviews and unit tests, debug and upgrade systems, and contribute to frontend work as needed. Stay current on backend and Gen AI integrations and collaborate across the team.