Top Software Engineer Jobs in St. Louis, MO

Design, develop, and optimize platform-level embedded software and reusable frameworks for telecom products (including 5G). Collaborate across systems teams, perform architecture and code reviews, support integrations with customers/partners, and mentor engineers while ensuring performance, scalability, and reliability on heterogeneous processors.

Design, build, and operate highly available, high-throughput backend services for Twilio SendGrid. Modernize Go-based microservices, manage dual-cloud AWS/Azure infrastructure with Terraform, improve observability and reliability, mentor engineers, and balance feature delivery with platform refactoring.

Design and evolve data pipelines, ensure accuracy of business datasets, improve data reliability, and partner across teams to provide insights and solutions.

The role involves building and operating ngrok's core gateway infrastructure, ensuring secure and efficient traffic routing, and debugging distributed systems in production environments.

The Software Engineer II is responsible for developing and supporting software products through all stages, ensuring high quality and adherence to standards while collaborating with teams.

As a software engineer, you'll build and iterate on the product across the stack, engaging with customers and collaborating with the team to shape the company culture and technology.

As a Software Engineer III, you'll develop custom software for government clients, teaching Agile practices, delivering software solutions, and ensuring client satisfaction through collaboration and feedback.

Develop and maintain a next-generation platform SDK and API suite. Own development tasks end-to-end, define work items, contribute to quality frameworks, and participate in code reviews to deliver well-tested, performant software.

The Software Engineer will design and maintain networking software services for secure connectivity, improve system reliability, partner cross-functionally, and debug production issues.

As a Software Engineer II, you will design, build, and maintain applications for a healthcare quality data platform, collaborating with teams to develop features and ensure high standards of performance and security.

You will develop software for automated analysis of mobile applications, drive key decisions, and mentor junior engineers.

As a Principal .NET Software Engineer at Versapay, you will modernize payments infrastructure, improve scalability, design distributed services, and take ownership of payment workflows while collaborating with various teams to enhance customer experience.

Develop and enhance the new Stores platform while supporting various e-commerce tools to improve seller success online.

Develop and deliver solutions in a DevSecOps environment using cloud-native technologies, focusing on containerized applications, CI/CD pipelines, and data services.

As a Senior Backend Software Engineer at Archy, you will lead major product updates, ensuring system stability and scalability, while collaborating with cross-functional teams to enhance dental practice management solutions.

As a Staff Frontend Software Engineer, you'll lead the frontend architecture using React and TypeScript, manage code releases, and integrate AI tools to enhance efficiency while ensuring high performance and system reliability.

As a Senior Frontend Software Engineer, you'll lead the development of major features using React and TypeScript, ensuring performance and integration with backend systems. You'll also manage releases, improve team efficiency, and contribute to a customer-centric product experience.

The Staff Backend Software Engineer will lead the design and architecture of the backend systems, manage the delivery of product updates, and integrate AI tools to enhance the platform's functionality and performance.

The Software Engineer I at OneStream is responsible for designing, developing, testing, and maintaining software components, collaborating with teams, and ensuring high-quality solutions within a unified Corporate Performance Management platform.

As an SDK Software Engineer, you will develop and maintain AI SDKs, collaborate with teams, and contribute to open-source projects.

Design and implement front-end features, build high-quality user interfaces, take ownership of product and architecture decisions, collaborate with engineering team, and deliver performant, user-focused solutions.

Seeking experienced Senior Backend Engineers to join a collaborative team, focusing on backend systems, shared services, and product features aimed at improving user experiences and monetization.

Senior backend engineer responsible for designing and implementing new features, scaling and optimizing the platform, improving Postgres and Elasticsearch performance, fine-tuning LLMs, and making architectural decisions. Collaborate with engineering team, take ownership of features, write performant, maintainable code, and help shape product and infrastructure for data-intensive applications (NLP, search, indexing).

The Software Engineer will develop and support the MEMX Trading system, focusing on high throughput event-sourcing applications and resolving production issues.

The Senior Svelte Software Engineer will develop high-quality, scalable Svelte web components, collaborate on design systems, and ensure component reliability.