Top Software Engineer Jobs in St. Louis, MO

Design, implement, and optimize full-stack solutions. Collaborate with cross-functional teams, participate in code reviews, analyze and improve system performance, and stay current with industry technologies.

Design, develop, and maintain secure integrations across NetSuite, Coupa, Leapfin, and other enterprise systems. Build iPaaS workflows, custom connectors, webhook and event-driven automations, bulk synchronization processes, monitoring, error handling, and retry mechanisms. Translate finance requirements into technical specifications and data mappings, support implementation projects, document architectures, and maintain audit readiness. Apply AI-powered tooling to automate finance operations while ensuring compliance, security, and reliable handling of sensitive financial data.

Lead multiple cross-functional engineering teams delivering monthly releases across Salesforce-centered modern platforms and legacy systems. Own delivery commitments, engineering standards, test automation, defect prevention, release quality, documentation, and federal compliance. Develop AI-native engineering practices, manage customer communication, flex team structures, and hire and grow technical leaders. The role requires maintaining zero escaped critical defects, high pre-UAT defect detection, rapid critical bug resolution, and stable modernization alongside legacy sustainment.

Designs, builds, operates, and supports backend services powering an enterprise AI platform. Responsibilities include developing APIs, AI gateway and orchestration capabilities, entitlements, tenancy models, data access patterns, integrations, and platform services. The engineer owns services throughout design, implementation, testing, deployment, monitoring, reliability, and support while collaborating with client product, engineering, data, and platform stakeholders.

The Open Source Engineer will expand LanceDB's integration with big data systems, manage dataset operations, and enhance open-source community efforts.

Assists with configuring and integrating third-party software within Alkami’s digital banking platform. Supports client testing, manages configurations, troubleshoots escalated issues, raises bugs and enhancements, collaborates with internal teams and vendors, participates in requirements meetings, and trains end-users. Requires software development or scripting experience, relational database experience, strong ownership, and effective communication.

Develop and maintain scalable Salesforce applications, including Apex code, Lightning components, Visualforce pages, integrations, workflows, and third-party services. Translate requirements into technical solutions, reduce technical debt, debug and test applications, maintain over 80% code coverage, deploy fixes, document systems, train users, and collaborate with consultants, engineers, developers, and clients while maintaining security and data integrity.

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.

Develop and maintain high-scale JavaScript and TypeScript monetization solutions using Prebid.js, Prebid Server, and Google Ad Manager. Own the header bidding wrapper, integrate auction and ad-tech standards, optimize Core Web Vitals and client-side performance, operate Google Cloud services, review code, document architecture, and resolve production issues.

Build and scale a fintech platform across accounting, tax, and banking. Own feature lifecycle from design to deployment, write backend and frontend code, improve infrastructure and reliability, and collaborate with product and design to deliver customer-focused features.