Top Software Engineer Jobs in St. Louis, MO

Develop and maintain Vehicle Management System software, focusing on real-time systems, code integration, software lifecycle management, and leading technical projects.

Develop and maintain Vehicle Management System software, ensuring flight and subsystem control, while providing technical leadership and support throughout the software lifecycle.

Develop and integrate C# and web-based software for the MQ-28 program as part of a SAFe Agile team. Investigate and resolve software defects, maintain work items in Azure DevOps, and collaborate within a self-organizing development team.

The F-22 Simulation Software Engineer will develop and maintain simulation software and infrastructure for the F-22 Raptor, collaborating with cross-functional teams and validating simulation models and software.

Develop and integrate C#/.NET and web-based software for the MQ-28 program using SAFe Agile. Document requirements and design, peer-review code, track work in Azure DevOps, investigate/resolve bugs, and support iteration and program increment planning.

The role involves designing, developing, testing, and maintaining non-embedded software for air domain missions, leading junior engineers, and conducting integration testing.

As a Mission Software Engineer, you'll develop solutions for government customers by integrating software into existing workflows, requiring significant travel, collaboration, and technical expertise.

The Backend Software Engineer will develop data ingestion pipelines, implement observability tools, and provide technical support while improving team collaboration.

Build and ship full-stack services and internal CX applications using Go, gRPC, TypeScript, and React. Design third-party integrations, ensure reliability for high-traffic production systems, operate on AWS with Kubernetes and Terraform, and partner on architecture, testing, deployment, and observability. Translate technical concepts for non-technical stakeholders and apply responsible generative AI practices to improve workflows.

Design and build a centralized reliability platform and developer-facing APIs. Implement AI agents for incident triage, log/trace summarization, and recommended actions. Own projects end-to-end and collaborate with product, infra, data, and SRE teams.

Seeking a Software Engineer/Senior Software Engineer to design, develop, and deliver quality backend services and APIs using Go, with emphasis on Kubernetes and cloud services.

As a Software Engineer, you'll design, build, and maintain IAM solutions, ensuring security and reliability while working with cloud computing standards.

As a Software Engineer at Vercel, you will enhance and improve the CDN's performance, analyze web latency, and support a team of developers working primarily in Lua.

Design, develop, test, and maintain embedded application software for air-domain missions. Translate customer requirements into software architecture, perform unit/integration testing, support system integration and verification, participate in peer reviews, and produce software documentation while meeting safety, regulatory, and customer standards.

Design, develop, test, and maintain non-embedded .NET software for the Tomahawk program. Translate requirements into designs, implement features, troubleshoot issues, and document R&D. Support systems integration, adhere to government regulations, and respond to user inquiries and technical issues.

Design, develop, test, and maintain non-embedded software for the Tomahawk program. Translate requirements into software designs, implement features, troubleshoot issues, and document R&D. Ensure compliance with government and safety standards and support system integrations.

The Systems Software Engineer develops data fusion algorithms, collaborates with architects, conducts analysis, and supports software for tactical fighter aircraft.

As a Fullstack Software Engineer, you'll design, develop, and maintain scalable frontend and backend systems while collaborating across teams.

Design, develop, test, and maintain full‑stack web applications, databases, and data processing tools to support fleet health and analytics. Collaborate with stakeholders, lead agile development efforts, troubleshoot issues, mentor junior engineers, and improve software processes and documentation in a mission‑critical aerospace environment.

As a Senior Infrastructure Engineer, you'll build scalable systems for a next-generation search platform, ensuring data integrity and user experience while collaborating with cross-functional teams.

As a Billing & Analytics Software Engineer, you'll design and maintain the billing pipeline, integrate billing systems, and develop customer-facing analytics dashboards to support revenue recognition and operational observability.

Design, implement, and operate large-scale distributed storage systems ensuring data durability, availability, and performance. Build and maintain replication, erasure coding, and lifecycle systems; write high-quality Go/Rust/C++ code; participate in on-call rotations; troubleshoot production incidents; collaborate with networking, hardware, and capacity teams; lead scoped projects and drive infrastructure evolution.

Build and maintain full‑stack, customer‑facing web experiences that improve borrower conversion. Deliver end‑to‑end features (frontend, APIs, microservices), monitor performance and reliability, partner with Product/Design/ML, run experimentation and personalization, and contribute to platform architecture and on‑call health.

Build, operate, and scale backend systems for card issuing and transaction processing. Break down projects, collaborate with product and cross-functional teams, write tested extensible code, support monitoring and on-call operations, and participate in team growth activities including interviews.

The Back-End Software Engineer at Boeing will lead the development of prototypes and production-level web applications, focusing on APIs, data processing, and system architecture while mentoring team members.