Top Senior Software Engineer Jobs in St. Louis, MO

The Backend Software Development Engineer III will design and implement backend solutions, focus on scalable APIs, data ingestion, and support cross-functional collaboration while ensuring code quality through testing and reviews.

The Senior Software Engineer will develop full-stack applications using TypeScript, create UIs from Figma designs, build secure APIs, collaborate with teams, and maintain codebases.

As a Sr. Software Engineer at VGS, you'll develop and maintain the Credential Management Platform and enhance the Event Pipeline, collaborating across teams to build high-throughput services.

Own and deliver reliable, secure software in a regulated healthcare environment. Drive solutions from ambiguity to production, build automation to reduce developer toil, mentor engineers, champion AI-assisted coding, and optimize database performance and schemas.

Build and operate full-stack, production-ready systems: design and ship AI-native mortgage automation, integrate third-party lending APIs, and architect scalable AWS infrastructure and job processing. Mentor engineers and ensure security, observability, and high reliability.

Join Bitsight as a Senior Software Engineer to deliver high-quality code, own features, optimize REST APIs, and work with big data technologies in an Agile team.

Design and implement automation, analytics, and release engineering to scale the autonomy stack. Build tooling and visualizations to turn high-dimensional data into actionable insights, improve CI/CD and deployment automation, and enhance virtual testing and simulation fidelity while collaborating across planning, motion, and controls teams.

Develop and maintain batch and streaming ingestion systems for global geospatial data at scale. Build, deploy, and monitor ETL/data processing workloads on AWS, collaborate with cross-functional teams, mentor engineers, improve operational quality, reduce technical debt, and be on-call to ensure system reliability.

Design, implement, and maintain scalable microservices and cloud-based systems in Python/Go; build data pipelines and online services; collaborate on security, reliability, and automation; own projects end-to-end and support testing and troubleshooting.

Design, build, and operate backend services and data infrastructure powering member-facing and clinical workflows. Implement and maintain APIs, optimize performance and scalability, debug production issues, and collaborate with product and frontend teams to deliver reliable, secure backend solutions.

The Senior Backend Engineer will design scalable backend systems, solve complex technical challenges, mentor junior engineers, and ensure the technical integrity of financial wellness tools.

Lead the development of user-facing features, collaborate with team members, and mentor others while ensuring a high quality of software design and implementation.

As a Senior SDET, you will develop and lead test automation for product areas, mentor team members, and drive quality improvements across engineering teams.

Lead and scale reliability and DevOps/SRE practices for Grafana Cloud k6: define SLIs/SLOs, incident response, observability, runbooks, and guide architecture and cross-team engineering to improve availability and operational ownership.

Design, build, and scale features and services for global ticketing platforms. Implement APIs, optimize performance for high traffic, lead architecture, mentor teams, and ensure high-quality, well-tested code.

Build and maintain the Cribl Search full-stack user experience: design and deliver scalable, high-performance web features, APIs, and visualizations; participate in full SDLC, on-call rotations, testing, and CI/CD practices.

As a Senior Software Engineer, you will design and develop backend systems, optimize application performance, and mentor team members while building intuitive front-end features.

This role involves designing delivery systems, maintaining CI/CD infrastructure, and facilitating efficient development for engineers, while contributing to cybersecurity efforts.

As a Senior Software Engineer, you will develop and maintain Alpaca's platform services, including event streaming infrastructure and authentication systems, while ensuring software quality and reliability.

Lead the design and implementation of full-stack solutions while mentoring junior engineers and driving agile development practices within the organization.

The Senior Software Engineer will design and develop backend systems and APIs, mentor other engineers, and resolve complex integration challenges in healthcare technology.

The Senior Software Engineer will build and enhance features for the Rise Course Authoring platform, focusing on usability and accessibility, while collaborating with team members and influencing application architecture.

Lead technical projects, collaborate with cross-functional teams, mentor junior engineers, and drive improvements in development practices in a cloud-based analytics platform.

Lead design, implementation, and maintenance of scalable backend systems and services. Improve performance, reliability, and deployments; operate production systems (incident response rotation); conduct code reviews; mentor engineers; collaborate with product, sales, and customers.

Lead the design and implementation of APIs, develop data pipelines, and mentor teams on AI integration and Agile methodologies.