Top Software Engineer Jobs in St. Louis, MO

The Senior Full-Stack Software Engineer will design, build, and scale backend services and APIs for financial transactions while collaborating with frontend engineers and contributing to technical design.

As a Back End Software Engineer, you will build scalable APIs, ensure system efficiency, and contribute to company initiatives, while operating independently and collaborating with other engineers.

Design and build systems for managing bare-metal infrastructure, focusing on automation, hardware provisioning, and software integration with Linux systems.

Design, develop, and maintain mobile applications in Kotlin, ensuring healthcare compliance, collaborating with teams, and mentoring others.

The Autonomy Integration Software Engineer will develop interfaces for autonomy software and hardware, maintain onboard functionalities, and support simulation and testing of Glydways vehicles.

Build and maintain backend cloud services for connected devices, focusing on telemetry ingest, device state management, command/control, and integrations. Own features from design through production, use AI-native engineering practices, collaborate with firmware/mobile/platform teams, write and test reliable code, participate in on-call rotations, and contribute to incident response and documentation.

Build and maintain full-stack web systems (Node.js/TypeScript backend, Postgres, React) and AI-enabled features. Design end-to-end features, collaborate with educators and TAs, iterate in a small team, and deliver production-quality user-facing functionality.

Design and implement scalable full-stack healthcare software: build APIs, data services, and SPAs; prototype new capabilities; ensure compliance (HIPAA/HITRUST); use cloud, IaC, CI/CD, and containers; collaborate with product and architecture; and mentor engineering peers.

Implement EVM-compatible features, optimize gas usage, develop and test smart contracts, collaborate on Ethereum infrastructure, troubleshoot Ethereum issues, and stay current with Ethereum advancements.

Develop and optimize Soroban smart contracts and integrate anchor services on the Stellar network for cross-border payment solutions. Collaborate with cross-functional teams, test and debug contracts, document processes, and provide technical support while staying current on blockchain and payments trends.

Develop and maintain high-security mobile applications using React Native, Swift, or Kotlin. Implement biometric authentication and secure key storage, collaborate with cross-functional teams to deliver features, troubleshoot and optimize app performance, and propose enhancements based on emerging technologies.

Build and maintain full-stack features for a crop insurance claims platform using Node.js/TypeScript and Vue.js. Translate regulatory materials (RMA/FCIC) into data models and logic, investigate PASS/NCIS errors, collaborate with claims and underwriting teams, write tests, follow security best practices, and travel periodically.

Design, build, and maintain data platform tools, ensuring data quality and integrity. Collaborate with data science teams and enforce best software practices.

Design, build, test, and maintain production services and microservices with security and compliance in mind. Deliver production-ready code, participate in code reviews, own operational support and incident response, improve monitoring and CI/CD, document technical decisions, and collaborate cross-functionally in a distributed team.

Design, build, and maintain scalable, reliable athlete order systems. Analyze business and software requirements, implement features, tune databases, and fix defects. Collaborate with product and cross-functional teams to support event-driven, high-throughput order processing using Kafka, Postgres/Cosmos, and search technologies.

Design, build, and maintain scalable, concurrent backend services in Go for autonomous platforms. Drive architecture, performance optimization, reliability, and secure development. Collaborate cross-functionally, set engineering standards, conduct code reviews, and ensure production readiness in containerized/Kubernetes environments.

Build and maintain performant frontend components and pages using React and Next.js; consume GraphQL APIs via Apollo; implement accessible reusable UI aligned to Yahoo UDS; write tests and support CI/CD; optimize frontend performance; own features end-to-end and collaborate with backend, design, and product teams.

Design, develop, and maintain cloud-native, event-driven supply chain and warehouse services. Contribute to APIs, message processing, integrations, database design, troubleshooting, and CI/CD. Collaborate on roadmap, requirements, and program plans while continuously learning and improving system performance and reliability.

Design, build, and deliver cloud-native software enhancements for investor and tax applications. Develop microservices on AWS/Kubernetes, implement CI/CD and TDD practices, integrate messaging systems like Kafka, debug relational databases, and collaborate with DevOps and stakeholders to improve scalability, resiliency, automation, and cross-team initiatives.

Seeking a Software Engineer to design and build software solutions for the building industry, with a focus on quality, clean code, and utilizing AI-assisted development practices. Responsibilities include writing, testing, debugging, and collaborating on software systems, ensuring performance and scalability.

Design and maintain cloud infrastructure software using Go, collaborate on product requirements, troubleshoot code, and contribute to architectural decisions.

The Senior Staff Software Engineer will architect Affirm's lakehouse analytics platform, lead data governance efforts, mentor engineers, and collaborate across teams to optimize data solutions using Snowflake and other big data tools.

We are seeking a Senior Frontend Software Engineer to build advanced web applications using JavaScript and ReactJS, collaborating with a team to enhance user experiences.

The Senior Backend Software Engineer will build intricate backend systems, develop APIs, ensure high availability, and improve application scalability and performance.

Lead and manage software engineering teams, architect scalable systems, and innovate solutions while collaborating with stakeholders across various technology stacks.