Top Software Engineer Jobs in St. Louis, MO

Build and scale Flywheel’s AI-native content platform as its first technical hire. Responsibilities include backend systems, data pipelines, content-generation workflows, web scrapers, integrations, AI product experiences, and customer-facing interfaces. The role requires end-to-end ownership, production LLM experience or rapid learning ability, strong product judgment, and comfort working directly with founders and users in an in-person London environment.

Design, build, test, and maintain backend services, APIs, and web applications. Translate product requirements into technical solutions, write maintainable and tested code, participate in reviews, debug production issues, improve reliability and developer experience, and collaborate with product, design, and QA teams. The role offers mentorship and increasing ownership for early-career engineers.

Design, develop, and maintain scalable Python applications; collaborate with cross-functional teams to deliver features; ensure performance and quality; identify and fix bugs; maintain code quality and automation; lead and mentor team members using agile practices.

Build and own frontend applications for DeFi products using Next.js and TypeScript. Develop reusable component libraries and design systems, integrate Solana programs and wallet infrastructure, and translate complex financial concepts into accessible interfaces. Own performance, reliability, observability, testing, analytics, and end-to-end feature delivery while collaborating with protocol engineers, designers, and product teams.

Leads and grows the engineering team, oversees customer implementations and product delivery, manages stakeholders, balances customization with core product development, and establishes engineering quality and reliability practices. The role also remains hands-on with TypeScript and Node.js coding, code reviews, debugging, and production support. Experience with AI products, healthcare workflows, HIPAA, EHR integrations, and early-stage startups is valuable.

Own customer-facing product development for Clara by supporting live accounts, translating stakeholder needs into product improvements, and shipping customer-specific changes. Build and modify conversational AI strategies, tune prompts and call flows, support onboarding and EHR integration discovery, coordinate go-lives, troubleshoot issues, and improve internal tooling and processes. Collaborate closely with customers, sales, clinical operations, compliance, customer success, and engineering teams.

Design and implement backend features in Go, build data pipelines and REST APIs, work with PostgreSQL and AWS, contribute to scalable system design, and optionally develop React.js user-facing features while collaborating in a fast-paced AI-focused startup.

Designs, develops, integrates, and deploys Salesforce solutions for event management, expense processing, approvals, tracking, and reporting. Responsibilities include requirements gathering, workflow optimization, security configuration, troubleshooting, root cause analysis, Agile development, testing, deployments, documentation, and user training. The role requires hands-on Salesforce development, platform lifecycle expertise, integrations, DevOps practices, and collaboration with technical and non-technical stakeholders.

Develop and modernize a production React Native mobile application supporting offline-first workflows, BLE device integrations, synchronization, scalability, performance, and reliability. Design and maintain application features, contribute to architecture and engineering standards, collaborate cross-functionally, mentor developers, provide technical leadership, and engage with farm customers. Occasional travel to customer locations is required.

Refactor and migrate legacy U.S. Air Force web applications to a DoD software factory with minimal downtime. Build secure, tested software; identify technical debt; improve CI/CD and engineering practices; communicate technical tradeoffs to government stakeholders; and coach government engineers and military developers. The role works remotely with cross-functional teams and includes occasional travel to Air Force bases.

Own customer-facing product and engineering work from discovery through production and post-launch. Partner with product, design, and engineering leaders on scope, architecture, and technical direction. Build across UI, services, data, and integrations while ensuring testing, safe releases, observability, security, and reliability. Operate independently at company-wide scope, work directly with customers and partners, and use AI agents to delegate and validate outcomes within defined boundaries.