Top Software Engineer Jobs in St. Louis, MO

Map and analyze Epic system tables and data to the Premier spec, develop data transformations and scripts, build SQL queries, stored procedures, and indexes, document mappings, act as SME with vendors/clients, and report project status via tools like JIRA.

As a Full Stack Software Engineer, you will develop and maintain cloud services, collaborate in Agile development, and ensure code quality while integrating software with geospatial intelligence.

The Senior Software Engineer will lead the development of payment systems, oversee key subsystems, mentor engineers, and ensure high-quality code and architectural standards while collaborating with cross-functional teams.

This role involves leading web platform initiatives, mentoring senior engineers, architecting web applications, and implementing technical strategies for improved performance.

The Senior Software Engineer will lead and support a team in developing reliable and scalable backend systems, collaborating on product development, and improving infrastructure for secure communication between services.

Lead and build a new Trust & Safety engineering domain: design and implement systems to detect and mitigate fraud, billing anomalies, and credential abuse. Architect product and operational solutions, mentor engineers, define processes, and deliver scalable, auditable safety tooling across internal and external workflows.

Build and scale ML-optimized HPC infrastructure, manage Kubernetes-based GPU/TPU superclusters, optimize for AI/ML training, and mentor teams while innovating in ML infrastructure.

As a Software Engineer, you will design solutions, write quality code, collaborate with teams, and ensure efficient data delivery for client applications.

Join our remote R&D team to innovate in graphics and spatial computing, implementing advanced techniques for immersive streaming applications.

Contribute to and optimize the performance of ClickHouse, assist with debugging, collaborate with teams, and engage with the open-source community.

Develop, test, and maintain software applications. Design scalable solutions with the engineering team, work in Agile, and use Java, Python, SQL, and Git to meet user and business needs.

Lead research and design of high-power wireless EV charging systems: perform high-fidelity electromagnetic and thermal FEA, model and simulate resonant circuits and power electronics, prototype and evaluate designs, prepare proposals and technical presentations, and collaborate with industry and internal teams. Publication and automotive experience expected.

Work on full-stack web applications serving millions of users: design, build, test, and deploy features, support CI/CD and data ingestion pipelines, triage production issues, and write maintainable, testable code while collaborating in an agile team.

Join the Query Integration team to enhance MongoDB's query engine, integrating features, improving performance, and contributing C++ code with a focus on database systems.

Lead design and operation of test infrastructure at scale: test orchestration, smart selection, parallel sharding, flaky-test detection, observability, SLOs, and on-call. Define technical strategy, drive cross-team projects, mentor engineers, and reduce test feedback time to accelerate engineering velocity.

Own quality engineering and test automation for BRINC's LiveOps web platform and backend services. Design and maintain automated API, integration, and end-to-end test frameworks, validate security/IAM controls and ML/vision outputs, build test infrastructure, run performance/load testing for real-time streaming and teleoperation, integrate tests into CI/CD, triage failures, and produce quality metrics and release-readiness reports.

The Software Engineer in Platform Operations designs and manages core infrastructure, ensuring secure, scalable, and reliable platform operations while collaborating with software engineers to improve deployment experiences.

Design and build secure, scalable systems as a Full-Stack Software Engineer, leveraging expertise in Next.js, TypeScript, PostgreSQL, and AI tools to enhance cybersecurity within global infrastructure.

The Senior Full-Stack Software Engineer will design, build, and maintain secure, scalable web applications using modern technologies, with a focus on AI-assisted development and application security.

As a Systems Engineer, you will enhance Windows support for Swift and develop features for internal projects and the Swift community, focusing on system architecture and tooling improvements.

Build and maintain web applications and APIs, managing the entire development process from concept to execution while ensuring high-quality standards.

Develop and maintain ClickHouse's billing platform, integrate with external systems, design secure frameworks, and collaborate with cross-functional teams to enhance business processes.

As a Software Engineer, you will design and build backend services for Relativity's generative AI platform, focusing on scalability and reliability in distributed systems.

Design, develop, deploy, and operate scalable full-stack software and RESTful services. Collaborate on APIs and web applications, perform code reviews, support production operations and on-call, and maintain clear documentation while promoting good engineering practices.

Build and deliver end-to-end product capabilities using Python and Next.js/TypeScript. Lead design, implementation, reliability, observability, CI/CD, and integrations. Champion AI-assisted development practices and agentic coding workflows, collaborate cross-functionally, and ensure production readiness and operational excellence.