Top Software Engineer Jobs in St. Louis, MO

The Senior Software Engineer will build and maintain foundational services and SDKs, optimize functionality, and collaborate on product solutions using Kotlin.

Lead design, implement, and maintain cloud-native microservices and platform services for high-throughput supply chain systems. Own architecture, reliability, CI/CD, monitoring, and incident response. Mentor engineers, establish engineering standards, and collaborate with product, data science, and customer teams to deliver scalable API and data solutions.

As a Principal Software Dev Engineer, lead full-stack engineering, oversee complex initiatives, mentor engineers, and align technical strategies with business goals to enhance content management systems.

Design, build, and operate high-performance distributed authentication and real-time inference services. Implement scalable cloud APIs, distributed training and deployment pipelines, CI/CD, observability, and reliability practices. Lead incident response, on-call rotations, staged rollouts, and post-incident improvements while managing model lifecycle, data quality, and production monitoring.

The Senior Backend Engineer will design and build backend systems for a multi-cloud platform, ensuring performance, scalability, and high quality while collaborating with various teams and stakeholders.

The Senior Software Engineer will modernize the USPS shipping technology by refactoring legacy services and designing cloud-native solutions in Go, while ensuring high-performance and reliability for users.

The Senior Software Engineer will develop and maintain client-side applications, improve installation workflows, and ensure enterprise deployment support for cybersecurity products.

As a Senior Software Engineer, you'll design and build backend services for compliance, data, and payment products, collaborating with cross-functional teams and mentoring junior engineers.

As a Senior Software Engineer, you will develop and optimize high-performance APIs, ensuring reliable, low-latency access to user data and collaborating closely with various teams on essential API infrastructure.

The role involves designing and developing a universal search platform, integrating data, leading system architecture, and mentoring junior engineers.

The Senior Software Engineer will build full-stack features, work closely with designers, and enhance user experiences, while ensuring code maintainability and safety. Responsibilities include experimenting with ideas and writing readable code.

As a Senior Software Engineer, you will build full stack features with AI capabilities, design backend services, and ensure reliability while collaborating with cross-functional teams.

The role involves leading projects, collaborating with data science, architecting scalable systems, optimizing performance, and mentoring engineers in a hybrid work environment.

The Senior Software Engineer will enhance vector similarity search functionality in Elasticsearch, design new features, and work collaboratively within a distributed team.

Join WEX's AI Infrastructure team to design, maintain cloud infrastructure on AWS and Azure, and support AI/ML workloads. Collaborate with teams, implement CI/CD pipelines, and enhance system performance.

Lead a team developing cloud-native security solutions, focusing on application development, architectural decisions, and maintaining high security standards.

Seeking a Senior Software Engineer to enhance Elasticsearch's analytical capabilities, focusing on feature design, implementation, and collaboration in a remote environment.

The Sr. Software Engineer will build core experiences for bank clients, crafting user flows, APIs, and integrating third-party software while ensuring code quality and performance.

Senior backend engineer responsible for designing and implementing scalable, high-availability backend services for investment and financial products. Work primarily on backend APIs, integrations with financial institutions, databases, testing, troubleshooting production issues, and contributing across the stack while focusing on performance, security, and maintainability.

Design and develop Salesforce solutions, manage integrations, enhance user interfaces, and support business process improvements with a strong focus on collaboration and documentation.

As a Senior Software Engineer at Aspire, you'll lead the development of user-facing features, manage complex projects, and collaborate with cross-functional teams to enhance product functionality.

As a Senior Software Engineer on the Infrastructure team, you'll build and manage critical systems, contribute code, handle incidents, and enhance developer tooling.

Design, develop, and deploy Salesforce solutions, including APIs, user interfaces, and data management, while supporting users and troubleshooting issues.

As a Staff Software Engineer, you will enhance Viaduct's platform reliability, architect AI-powered tooling, and improve developer experience for Airbnb engineers while contributing to open-source projects.

The Staff Software Engineer - Tech Lead role involves leading technical direction, improving engineering practices, and delivering high-impact initiatives while mentoring engineers and collaborating across teams.