Top Software Engineer Jobs in St. Louis, MO

Manages software engineers and integration specialists building, deploying, and operating Fastpath Access Governance services. Owns the technical roadmap, delivery, quality, architecture, and operational health of cloud-native services. Partners with product, UX, and architecture teams in Scrum, drives AI-assisted engineering practices, oversees ERP and business application integrations, and develops a supportive, high-performing engineering culture.

Design, implement, and maintain scalable backend systems supporting Alpaca’s financial ledger and brokerage infrastructure. Own high-visibility features from design through deployment, collaborate with finance, operations, product, and engineering stakeholders, and improve system health. Build performant, reliable, maintainable services using modern distributed systems technologies while ensuring the ledger remains a correct source of truth for account transactions, reporting, and compliance.

Leads architecture, delivery, production operations, reliability, modernization, and engineering organization across three regulated product lines. Establishes technical standards, governs infrastructure and CI/CD, owns SLOs and incident improvement, advances federated data and governed AI capabilities, and modernizes clinical and diagnostic platforms. Manages distributed teams across India and Serbia, develops leadership depth, makes architecture decisions, reviews code and infrastructure, and partners with security, compliance, quality, product, customers, funders, and auditors.

Develop and maintain Salesforce solutions, Apex code, platform configurations, data flows, and API integrations. Identify and implement system enhancements, troubleshoot complex Salesforce and data issues, support production operations, and maintain technical documentation. Collaborate in Agile processes, manage software changes through the SDLC, contribute to integrations with enterprise platforms, and mentor junior team members as appropriate.

Designs and delivers full-stack software features for electromagnetic warfare test and mission systems. Integrates TCP/IP-connected radios, instruments, servers, and rack components; builds accessible Angular interfaces; supports system evaluation, installation, testing, and sustainment. Develops data pipelines, warehouses, visualizations, threat-signal processing, software distribution tools, and on-premises LLM assistants. Works in Agile and DevSecOps environments while tracking project hours and assisting with effort estimates.

The Supervisor manages an application development team, oversees projects, guides staff, ensures compliance with IT standards, and mentors junior members.

Leads a team of software engineers building and operating scalable AWS cloud-native applications. Establishes architecture and technical direction across Java, Spring Boot microservices, OpenSearch, CI/CD, observability, and AWS infrastructure. Drives modernization, scalability, security, reliability, performance, and DevOps automation. Mentors engineers, supports incident resolution, improves development processes, and owns delivery of business-critical solutions.

Designs and maintains high-volume HL7 and FHIR ingestion pipelines, secure Epic and hospital integrations, data validation systems, and compliant healthcare data exchanges. Builds enterprise SaaS microservices using ReactJS, Python, and AWS services; optimizes distributed and hybrid-cloud environments; leads testing, code reviews, production troubleshooting, architecture documentation, and customer communications. Preferred experience includes Epic App Orchard, healthcare integration engines, clinical workflows, GenAI/ML, DevOps, data pipelines, and NoSQL.

Lead the architecture and modernization of a complex enterprise SaaS platform while remaining hands-on with critical software design and development. Define technical direction, improve scalability, reliability, security, performance, and maintainability, and guide design and code reviews. Partner across engineering and product teams, resolve complex technical challenges, establish engineering standards, mentor engineers, and translate architectural strategy into practical delivery.

Own the architecture and technical direction of conversational AI and voice-ordering systems. Design reliable, low-latency backend services for live drive-thru traffic, lead cross-system integrations with POS and hardware, improve AI evaluation and observability, mentor engineers, and resolve complex production issues involving real-time audio, distributed services, and third-party integrations.