Top Software Engineer Jobs in St. Louis, MO

The Senior Software Engineer will design backend services, improve data pipelines, and enhance reporting infrastructure while mentoring other engineers. This role supports capital partners by ensuring accurate data flow through Upstart's platform.

Lead architecture and multi-year technical strategy for financial data pipelines and reporting. Design and deliver backend services in Go, ensure accuracy, timeliness, and auditability of financial data, and partner with Finance/Accounting/Tax to translate regulatory requirements into scalable systems. Mentor senior engineers and set architectural standards across Financial Engineering.

Own and deliver major features across the flight booking funnel: flight search, booking creation, and post-booking fulfillment. Implement award ticket pricing, point transfers, and integrations with airlines and GDS partners. Collaborate with the flights expert to scale routing, booking engines, and partnership integrations.

Unpaid software engineering internship focusing on full-stack web development with TypeScript, Next.js/React and Node/Express. Work on front- and back-end features, responsive UI with Tailwind, animations with Framer Motion, PostgreSQL and MongoDB integration, REST APIs, microservice-based architecture, code reviews, debugging, and product planning in a remote-first startup.

Build and own user-facing features and core platform architecture across frontend, backend, and ML pipelines. Integrate AI workflows (LLMs, embeddings) for curriculum generation and automated evaluation. Manage end-to-end development: requirements, design, implementation, CI/CD, testing, observability, and iteration while collaborating with product, design, ML, and customer teams.

The Senior Full-Stack Software Engineer will develop full-stack web applications, collaborating on UI and backend systems using various technologies to deliver impactful features.

As a Software Engineer at Texas Sports Academy, you will design and ship AI-driven software features across various systems while collaborating directly with founders.

As a Compiler Engineer, you'll enhance compiler performance, support multiple operating systems, develop toolchains, ensure interoperability, and contribute to open source.

The role involves building platforms and core systems for identity services at Keycard, focusing on developing distributed systems and CI/CD automation while creating a best-in-class developer experience.

Design and build operational data systems, including pipelines, storage layers, and APIs for near real-time enforcement and insights, balancing streaming and batch paradigms.

Design and build core identity, authentication, and authorization systems for Keycard, focusing on security and multi-tenancy across dynamic, distributed environments.

Develop, maintain, and troubleshoot Microsoft 365 and Power Platform solutions. Build .NET and Power Platform applications (Power Apps, Power Automate, Power BI, Dataverse), customize SharePoint, create PowerShell automation, integrate systems, support tenant and environment configuration, monitor Dataverse performance, assist with POCs, user support, and status reporting.

As a Software Engineer - L3 Support, you will resolve complex Ubuntu-related issues, collaborate with teams, and participate in upstream communities to drive bug fixes and improvements.

As a Software Engineer, you will resolve complex customer issues related to Ubuntu and open source software, participate in upstream communities, and develop and review code across multiple layers of the software stack.

Lead the technical vision for complex systems, drive architectural strategies, write production-ready code, and align teams for public sector compliance.

Develop and support backend systems for CoLab's 3D AutoReview features, integrating machine learning concepts while collaborating across teams. Solve complex math challenges in 3D design analysis.

As a Software Engineer at MerusCase, you will develop and enhance software features, collaborate with teams, troubleshoot issues, and uphold coding standards while mentoring junior engineers.

The role involves designing and building backend services for mobile app user acquisition, focusing on microservices, data pipelines, optimization, and collaboration with data scientists on ML integration.

The Software Engineer (Frontend) at Metabase will develop user-friendly data tools, leveraging React and CSS while ensuring optimal communication and coding practices.

Seeking exceptional software engineers to build and maintain user-friendly backend systems primarily in Clojure and JavaScript, focusing on product complexities and user experience.

As a Software Engineer, you'll design solutions for employer benefits, build software using modern technologies, and engage in continuous improvement and mentorship within the team.

Lead architecture and technical strategy for an internal platform that provides operational visibility into high-volume fund movements. Drive AI-first tooling, build fault-tolerant search and remediation systems, align cross-functionally, and elevate engineering quality through mentorship, design reviews, and process improvements.

Design, build, and operate Kubernetes-based compute orchestration and developer tooling. Deliver new compute capabilities, automate operations and observability, integrate AI into workflows, and partner with Security and Reliability to ensure platform scalability, performance, and incident response.

The Software Engineer II will develop Django-based websites using Python and work with large data sets while collaborating with teams to deliver high-quality work in a remote environment.

As a Full Stack Software Engineer, you will develop and maintain robust backend systems using Ruby on Rails, collaborating with cross-functional teams to enhance the real estate platform's performance and user experience.