Top Software Engineer Jobs in St. Louis, MO

Design and build backend services, APIs, SDKs, and user-facing systems enabling secure agent-to-agent financial interactions. Implement cryptographic identity, payment workflows, transaction processing, reputation tools, and scalable infrastructure for AI-native financial products.

The Staff Software Engineer will enhance developer productivity by designing tools, automating workflows, and mentoring teams on best practices in developer experience.

Develop core backend components for a blockchain network, focusing on reliability and scalability, mainly using Rust. Ensure code quality through testing and debugging.

Develop and implement features by building backend APIs and frontend code, lead projects, and collaborate with teams to solve user problems.

The Senior Software Engineer will collaborate with teams to build and optimize a robust web application, ensure code quality, and elevate team impact.

The Software Test Engineer will design, implement, and maintain test frameworks for back-end services, ensuring product quality through test case creation and automation, and collaborating with cross-functional teams.

Design and implement backend services for an AI-driven automation platform, focusing on LLM orchestration, API development, and system reliability.

Develop and maintain mobile app and no-code quest editor, implement gameplay engine and server, design software architecture, and collaborate in one-week Scrum sprints using C++, Qt, QML, MySQL, and AI-assisted tools.

The role involves developing and optimizing core components of the Flow blockchain protocol, focusing on performance, scalability, and reliability, while also ensuring interoperability with the web3 ecosystem.

As a Staff Software Engineer, you'll architect and build foundational platform services, focusing on data infrastructure, healthcare interoperability, and secure APIs while mentoring other engineers.

Lead the design and implementation of identity and access management solutions, collaborating in an agile environment and providing technical leadership.

Join the ApartmentIQ team as a Senior Software Engineer to develop and enhance a platform for property management, focusing on user experience and feature deployment.

Amplemarket seeks a Senior Backend Software Engineer to build reliable backend systems, design APIs, collaborate cross-functionally, and drive product development.