Top Software Engineer Jobs in St. Louis, MO

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.

Leads software engineering teams, provides technical and line-management leadership, translates client requirements into technical solutions, and drives project delivery. Responsibilities include architecture, technical decision-making, blocker resolution, software and DevOps best practices, client communication, team mentoring, and ensuring scalable, secure, maintainable applications. Requires Python and React experience, AI application development, cloud-native infrastructure, CI/CD, testing, Git, and cloud platforms.

Build and deliver features for Sardine’s internal and client-facing dashboards, collaborating with stakeholders from implementation through delivery. The intern will enhance employee productivity, maintain high standards for testing, documentation, security, privacy, and compliance, and apply an empathetic, customer-centric approach. The internship requires at least 20 hours weekly for a minimum of three months and is remote within the United States or Canada.

Designs, builds, secures, and governs RESTful and GraphQL APIs supporting member, chapter, and agentic AI ecosystems. Owns API lifecycle management, semantic data models, versioning, testing, documentation, observability, CI/CD, and infrastructure as code. Implements serverless, event-driven AWS architectures with strong IAM, privacy, consent, and explainability controls. Collaborates across Product, Data Architecture, IT, Security, and ML teams to deliver reliable, scalable, secure, and governed APIs.

Design and build Airbnb’s big data compute platform supporting ETL, analytics, and machine learning. Operate and improve platform reliability, performance, observability, and cost efficiency. Develop maintainable code, conduct code reviews, contribute to open-source software, and design scalable distributed systems. Collaborate across teams to define requirements, troubleshoot complex infrastructure issues, and integrate solutions using technologies such as Spark, Trino, Kubernetes, Java, and Scala.

Own customer deployments of Sayari’s risk screening, graph analytics, investigation workflows, and data integrations. Responsibilities include technical scoping, production Python and SQL development, API integration, bulk data delivery, pipeline onboarding, dashboard creation, monitoring, troubleshooting, documentation, and feeding recurring customer needs back to engineering. The role requires client-facing communication, independent problem-solving, and collaboration across multiple customer accounts, with 25–30% travel and in-office time.