Top Senior Software Engineer Jobs in St. Louis, MO

Design and implement cloud solutions for clients, leading teams, solving technical challenges, and utilizing modern technologies like Kubernetes and AI.

As a Software Engineer, you will build features, improve the product development cycle, and ensure code quality while collaborating with teams and solving complex problems.

Design and deliver high-quality internal systems and customer-facing products as a Software Engineer, handling both backend and frontend development tasks. Responsibilities include writing code, building APIs, enhancing products, and mentoring teammates.

Seeking a product-minded software engineer to enhance Dagster+, focusing on backend improvements and user experience in a fully remote role. Responsibilities include leading product development, solving technical challenges, and collaborating with the team to optimize systems.

Develop and design scalable solutions, conduct code reviews, collaborate on features, and enhance application performance. Mentor junior engineers and drive technical excellence.

Design, implement, and maintain SaaS features using Python and React on AWS. Lead system design, code reviews, CI/CD pipelines, AI-integrated development (LLMs and AI coding agents), prompt engineering, testing (Cypress), and on-call production support. Mentor teammates and ensure secure, scalable, well-documented software.

Design, develop, and maintain scalable web applications using .NET backend and Angular/React frontend. Collaborate on requirements, implement RESTful APIs, optimize performance, debug, maintain documentation, support end-users, and work within CI/CD and DevOps workflows.

Design, develop, customize and integrate Microsoft Dynamics 365 CRM/CE solutions. Build entities, forms, workflows, plugins, reports and dashboards using CRM SDK, C#, JavaScript, ASP.NET and SQL. Troubleshoot issues, estimate implementation approaches, collaborate with stakeholders, document solutions, and mentor junior developers. Banking domain experience preferred.

As a Senior Software Engineer, you will enhance core communication systems by developing features across the stack and integrating with third-party services, ensuring reliability and scalability while debugging production issues.

As a Senior Software Engineer, you will develop and scale communication systems, enhance engineering standards, and troubleshoot issues across the technology stack.

This role involves designing scalable data ingestion systems and building a centralized data lake on Apache Iceberg. Responsibilities include improving performance and reliability, collaborating with data engineers, and providing technical leadership.

The Staff Software Engineer will lead technical strategy, ensure system availability, and develop backend systems at scale, collaborating across teams to drive capacity modeling and operational quality.

As a Senior Software Engineer, you'll enhance borrower-facing systems, ensure production quality, and lead projects to improve customer experiences in Home Lending.

As a Senior Software Engineer, you'll collaborate to build and maintain automation capabilities, contribute to AI solutions, and ensure scalability, improving the user experience with software solutions.

Design, build, and maintain scalable end-to-end systems and APIs/SDKs for an enterprise custody platform. Work full-stack across databases, cloud deployments, CI/CD, and security; troubleshoot issues, integrate emerging technologies, and mentor junior engineers.

The Senior Fullstack Software Engineer will design, implement, and maintain features for Conveyor's SaaS platform, involving both backend and frontend work, while collaborating closely with team members and mentoring juniors.

Lead technical execution for projects aimed at user acquisition, activation, and retention while collaborating cross-functionally and analyzing data to improve strategies.

As a Senior Software Engineer in Infrastructure, you will enhance system reliability, improve infrastructure observability, build scalable solutions, and mentor junior engineers while collaborating with various teams.

The Senior Backend Software Developer will develop scalable systems using Node.js and MongoDB, collaborate with teams, ensure code quality, mentor developers, and stay updated on technologies.

Join Supabase as a Software Engineer to own the Terraform provider, improving reliability, driving technical strategy, and creating documentation for seamless IaC workflows.

The Senior Backend Software Engineer will design and scale backend systems using Python and FastAPI, collaborate with researchers, optimize infrastructure, and implement testing and monitoring systems.

Seeking experienced Senior Backend Engineers to join a collaborative team, focusing on backend systems, shared services, and product features aimed at improving user experiences and monetization.

Lead the development of analytics infrastructure for clinical AI/ML products, focusing on product performance monitoring, data management, and cross-functional collaboration.

Lead and optimize enterprise client implementations, develop frameworks for efficiency, conduct end-to-end testing, and collaborate across teams to drive impactful technology in healthcare.

The Senior .NET Developer will work on developing and maintaining applications, mentor junior developers, and ensure compliance with regulations. The role requires expertise in full-stack development, particularly with SQL Server databases and Azure.