Top Software Engineer Jobs in St. Louis, MO

Develops, documents, maintains, unit tests, troubleshoots, and integrates software for F-15 Mission Planning systems. Uses C#, JavaScript, SQL, Git, and object-oriented programming practices. Collaborates on solutions, maintains software designs, compiles builds, and performs limited component-level testing. The role requires a bachelor’s degree, eligibility for a U.S. Secret Clearance, and compliance with U.S. person and export-control requirements.

Design, develop, optimize and maintain ERP financial applications using Oracle and PL/SQL. Integrate systems, ensure security/compliance, resolve defects, lead code reviews, mentor junior developers, participate in Agile/Scrum, and estimate and deliver ERP features.

Leads Google Cloud-native engineering programs, overseeing application architecture, development, testing, modernization, and deployment. Directs multiple workstreams, shapes client roadmaps, advises on technical decisions, and develops generative AI solutions using Vertex AI, LLM APIs, LangChain, LangGraph, and retrieval-augmented generation. Builds executive client relationships, identifies business opportunities, governs LLMOps and quality practices, and coaches engineering, testing, and AI delivery teams.

Designs, develops, tests, deploys, and maintains software applications and ETL pipelines. Builds Python-based data processing workflows, writes optimized Oracle SQL, generates standardized flat files, troubleshoots pipeline and application issues, and collaborates with product, data architecture, and quality teams. Maintains documentation, version control, and data governance standards while supporting healthcare data integration.

As a Software Engineer in Frontier AI Infrastructure, you'll design secure systems for the public sector, improve engineering standards, and collaborate with cross-functional teams to meet government requirements. You'll also participate in customer engagements and contribute to the product strategy while ensuring compliance with federal regulations.

Lead a platform configuration and implementation engineering team, owning technical direction, delivery commitments, architecture, system reliability, hiring, and engineer development. Collaborate across Product, Delivery, Underwriting, Compliance, and peer engineering teams. Guide distributed systems and microservices development, promote configuration-driven solutions, adopt AI development tooling, monitor team and system metrics, and contribute hands-on to design and code reviews.

As a Pre-Sales Solutions Engineer, you will drive technical pre-sales engagements, architect custom solutions, and guide customers on API integration and deployment strategies, enhancing their experience with Voice AI technologies.

As a Solutions Architect at Deepgram, you'll engage with customers post-sales to resolve complex technical issues, create scalable solutions, and enhance support processes, using your engineering skills and experience in customer-focused roles.

Lead the technical direction for Deepgram’s Console team, architecting developer-facing products including Console, Playground, account management, billing, analytics, and AI tooling. Build full-stack features, guide large cross-functional projects, drive self-serve growth infrastructure, mentor engineers, establish technical standards, and partner with senior leaders on strategy, prioritization, and product-led growth.

Build and own integrations and data pipelines connecting healthcare and insurance systems. Develop reliable systems for claims, bills, EOBs, coverage data, portals, webhooks, and inbound files. Normalize and protect PHI, improve observability and data quality, set technical direction, mentor engineers, and use AI-native development practices.

Own and improve Hex’s production infrastructure across cloud computing, networking, databases, CI/CD, observability, security, and single-tenant environments. Projects may include Kubernetes and AWS operations, infrastructure automation, PostgreSQL scaling, deployment systems, cost optimization, workload isolation, and customer-facing connectivity features. The role requires end-to-end ownership, on-call participation, technical writing, and the ability to turn ambiguous infrastructure problems into shippable solutions.

Build and operate backend advertising services and APIs using Node.js and TypeScript, develop server-driven ad experiences, integrate advertising partners, and ship Android features in Kotlin. Improve system performance, reliability, observability, and testing while collaborating with senior engineers, product, and media sales teams. The role supports advertising across Android, iOS, web, and live video streaming applications.