Top Senior Software Engineer Jobs in St. Louis, MO

The Staff SDET will design and implement automated test frameworks using TypeScript, collaborate with developers, and enhance testing processes within CI/CD pipelines.

Develop responsive, well-tested web applications and lead frontend engineering initiatives while fostering technical excellence and improving frontend practices.

The Staff Software Engineer will design and operate financial systems involving ledgering, transaction processing, decisioning, and money movement, ensuring correctness and reliability while mentoring engineers and improving system resilience.

The Staff Software Engineer will design and operate high-integrity financial systems including ledgering, transaction processing, and money movement while ensuring system correctness and resilience.

The Senior Software Engineer will enhance the core product by developing features and tools for Chainguard Images, collaborating with teams and ensuring product quality.

Lead Software Engineer with 6+ years experience to own product development from backend to frontend, focusing on developer experience and product mindset.

The Senior Software Engineer will design, build, and maintain scalable platform services at Oportun, contributing to architecture decisions, mentoring junior engineers, and improving developer productivity.

As a Senior Software Engineer at Algolia, you will enhance user experiences, mentor engineers, design scalable solutions, and collaborate with cross-functional teams to improve product growth and quality.

As a Senior Software Engineer at Connectly, you'll design, launch, and optimize AI-driven solutions for enterprise clients, collaborating across teams and mentoring others.

Design, build, and scale backend systems for a publishing platform. Lead development, ensure system health, and promote engineering standards.

The Senior Software Engineer will develop and maintain big data applications, focusing on distributed computing, automation, and collaboration with teams to enhance healthcare solutions.

Seeking a Senior Elixir Engineer to develop scalable systems and contribute to technical decisions within product groups, focusing on Elixir and cloud technologies.

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

As a Senior Software Engineer, you'll lead efforts to improve configuration management and tackle challenges in identity and access management while promoting a culture of clean code and effective architectural solutions.

Lead development of Dutchie’s cross-platform mobile apps using Flutter, delivering customer-facing features from design through deployment. Optimize performance, accessibility, and cross-platform consistency, collaborate with product and design, improve code quality and developer experience, and act as a technical leader on the mobile team.

As a Senior Software Development Engineer, you'll solve client challenges through technical design, development, testing, and collaboration, while mentoring peers and improving processes.

As a Senior Software Engineer II, you will design and build AI-integrated features for Life360's mobile app, focusing on safety and connectivity for users like aging parents and pre-teens. This role requires strong full-stack and mobile development skills, along with experience in AI workflows.

As a Software Development Engineer III on the Maps API team at Mapbox, you will design and develop mapping tools, ensure service reliability, mentor peers, and promote operational excellence in a fast-paced evolving environment.

The Senior Software Engineer will lead design for large cloud platform projects, troubleshoot system issues, and mentor engineers, focusing on scalability and reliability.

The role involves building and enhancing Airbnb's data authoring platform, focusing on data transformation and semantic layers, facilitating access to data for various teams to enable decision-making.

As a Senior Software Engineer, you will develop backend systems for Foodsmart's platform, collaborate with teams, and uphold coding standards.

Join Upstart 13 as a Senior Software Engineer to build high-quality applications, participate in architectural discussions, and collaborate effectively with cross-functional teams.

The Sr Software Engineer designs and develops high-quality software solutions, focusing on application architecture and cloud technologies while collaborating with cross-functional teams.

As a Senior Software Engineer, you'll own product features, design scalable systems, mentor teammates, and ensure engineering excellence, focusing on real-time workflows for the Dialer team.

As a Senior Full Stack Software Engineer, you will own product features, design scalable systems, mentor teammates, and ensure coding excellence while collaborating with cross-functional teams.