Top Software Engineer Jobs in St. Louis, MO

Design and implement cloud-native storage and replication features for MongoDB. Develop production C++ code, write tests (C++, JavaScript, Python), diagnose bugs and performance regressions, handle customer escalations, lead cross-team projects, mentor engineers, and collaborate on product roadmaps.

The Senior Software Engineer will drive the retail technology initiatives at Toast, focusing on payment solutions and enhancing customer experiences. Responsibilities include collaborating on high-impact opportunities, technical decision-making, and adapting to customer needs.

Design, implement, and improve significant features in HCSS products. Analyze product architecture and databases for ROI-driven improvements. Lead code reviews, mentor junior developers, collaborate to enhance infrastructure, reliability, and CI/CD practices.

Design and implement DataPath on silicon. Write efficient, modular code with thorough testing. Requires experience in packet forwarding and virtualized Linux environments.

As a Senior Fullstack Software Engineer at Vanta, you will lead complex projects, set technical direction, design and develop new functionalities, and contribute to the engineering culture while mentoring other engineers.

The Software Engineer will independently architect and implement data integrations, design ETL pipelines, and maintain documentation while ensuring seamless API connectivity with external platforms.

Design and develop responsive cross-platform mobile applications using React Native and JavaScript, collaborating with teams and ensuring high app performance.

Develop and maintain cross-platform mobile apps using React Native and JavaScript, ensuring high performance and usability through coding, collaboration, and testing.

Develop automated solutions for material handling, including software design, integration, testing, support, and project management, primarily in back-end development.

Design, build and maintain software solutions for an eCommerce platform, creating backend systems and code features while collaborating with cross-functional teams.

The Full Stack Developer will design, develop, and maintain software applications using Python and React, collaborating in an Agile environment.

As a Software Engineer, you'll develop and operate API platforms, improve developer experience, and modernize workflows using AI tools.

The Senior Web Software Engineer will build and maintain web components, own features from inception to production, implement designs, partner with teams, and impact product evolution.

As a Senior Backend Software Engineer at Step, you'll own features from inception to production, improve Kotlin services, ensure code quality, and work collaboratively in a small team.

The Senior Mobile Software Engineer will develop user-facing features for a cross-platform app, ensuring code quality and functionality throughout the entire lifecycle of features.

As a Software Engineer, you'll design and develop web applications and APIs, focusing on both front-end and back-end solutions while collaborating with cross-functional teams in an agile environment.

As a System Software Engineer, you will enhance GCC/LLVM toolchains for Ubuntu, ensuring modern C/C++ features and improving developer experiences through collaboration and high-quality coding.

Join SandboxAQ as a Scientific Software Engineer to develop AI-driven computational chemistry tools and maintain production-quality software, collaborating with experts to enhance drug discovery processes.

Develop crafted, intuitive interfaces, improve UI/UX quality, and collaborate with product teams. Engage with customers for feedback and mentor future engineers.

The role focuses on optimizing coding practices and collaboration within the engineering team, improving internal tooling, and communicating between teams and leadership.

The Software Engineer II will develop and maintain cloud infrastructure, collaborate on AI projects, design APIs, and ensure system reliability on Google Cloud Platform.

The Staff Frontend Engineer will design and implement complex frontend systems, lead engineering efforts, and collaborate with cross-functional teams to deliver a sophisticated SaaS platform.

As a Senior Software Engineer, you'll implement collaboration features, support team architecture, work across tech stacks, and improve developer experience.

The Staff Software Engineer will lead full-stack initiatives, improve system quality, drive technical direction, and mentor peers in a collaborative environment.

As a Staff Software Engineer, you'll lead AI-powered product delivery, shape platform architecture, and drive initiatives like advertising systems and AI-generated content.