Top Senior Software Engineer Jobs in St. Louis, MO

The Staff UX Software Engineer will design and implement scalable web applications, collaborate with UX designers and product managers, and improve user experience based on analytics and feedback.

The Senior Full Stack Software Engineer will oversee technical development in a B2B SaaS healthcare environment, mentor junior engineers, and lead product features.

Design and implement maintainable, high-performance Android client architecture and developer frameworks. Drive best practices, write automated tests, mentor engineers, collaborate cross-functionally, and lead technical initiatives impacting Netflix's Android app at scale.

The Senior Back-End Software Engineer will design and implement a serverless platform, work closely with the product team, and own entire projects, driving innovation in telehealth.

Build and maintain production-grade Python APIs and data processing systems, design EHR integrations (HL7/FHIR), lead AWS-based feature development, troubleshoot production issues, enforce testing standards, refactor and optimize systems, mentor junior engineers, and collaborate cross-functionally.

The Decentralized Software Engineer will build full-stack systems, work with decentralized technologies, collaborate with the team, and continuously learn new tools and paradigms.

Design, develop, and maintain Java-based backend services and APIs for KeeperApp. Own backend components, optimize MySQL schemas/queries, ensure performance and reliability, apply secure coding practices, participate in code reviews, and collaborate with product and engineering teams to deliver features iteratively.

Design, build, and maintain scalable React/TypeScript web applications for Keeper's Admin Console. Integrate with backend REST APIs, implement enterprise UI workflows (RBAC, policy config, audit views), ensure secure, well-tested frontend code, participate in architecture and code reviews, troubleshoot performance and usability, and maintain documentation.

As Principal Software Engineer, lead the design and implementation of the Identity Platform, focusing on security, scalability, and user experience. Collaborate with stakeholders to define technical direction and innovate within the team.

Design, build, and operate backend services focusing on performance, scalability, reliability, and observability. Diagnose production issues, optimize data models and APIs, contribute to architecture and operational strategy, and collaborate across product, frontend, and DevOps to deliver mission-critical systems.

The Senior Software Engineer will develop and integrate LLM-powered features, build AI capabilities for logistics operations, and collaborate with Data Scientists and ML Engineers to deliver AI solutions at scale.

Lead a development team in creating scalable Salesforce solutions, mentor developers, handle end-to-end service development, and ensure adherence to coding and DevOps standards.

Responsible for designing, developing, testing, and maintaining secure Java applications, providing leadership and mentorship, and ensuring compliance with SDLC frameworks.

Design, build, and operate reliable and scalable systems to support Anrok's product, focusing on technical debt, security, and performance optimization.

Design and build infrastructure automation solutions using OOP languages and AWS, automate Linux operations, implement configuration automation with Ansible/Terraform, integrate networking, messaging, and monitoring tools, and collaborate across teams to drive automation initiatives.

The Senior Backend Software Engineer will design and execute a migration from MongoDB to PostgreSQL, manage Node.js API services, optimize database performance, and ensure data integrity in a fast-paced environment.

Design and build scalable backend systems for global communication, collaborating with teams to deliver high-performance solutions and resolve technical issues.

Design and build platforms for new products, develop generative AI features, ensure system reliability, and foster a collaborative culture in a startup environment.

Design and develop high-quality user interfaces for web applications using React JS. Collaborate with teams to build scalable applications while mentoring junior developers.

The Senior Full Stack Software Engineer will develop and maintain customer-facing features, collaborate on solutions from design to delivery, and enhance the customer experience through code quality and technical improvements.

The Full Stack Software Engineer will design and maintain scalable applications, focusing on Ruby on Rails, and collaborate with teams to enhance software quality and performance. Key responsibilities include troubleshooting, optimizing systems, and integrating AI solutions.

The Full Stack Software Engineer will design, maintain scalable solutions, and collaborate with teams to enhance software quality, focusing on Ruby on Rails and AI integration.

Lead design and evolution of data interfaces, mentor team, support integrations for live clients, and enhance data tools for scalability and efficiency.

As a Senior Software Engineer at Coinbase, you will build scalable backend services using Golang, mentor junior developers, and collaborate with teams to enhance financial operations.

The Staff Software Engineer will architect and code backend services and ML models, integrate systems, ensure quality, and mentor engineers in the AI & Strategy Engineering team.