Top Senior Software Engineer Jobs in St. Louis, MO

Design, build, and operate reliable backend systems while mentoring engineers, participating in design discussions, and improving system performance.

Develop core experiences for bank administrators and customers by writing clean, documented code, creating robust APIs, and integrating with third-party services.

Lead efforts in Platform Infrastructure, designing architecture and guiding engineers to build scalable, data-intensive systems. Drive operational excellence and mentor teams on AI-native software development.

The Senior Software Engineer II will lead projects, define testing strategies, mentor engineers, and improve system reliability at Zippy.

Design and scale backend services and APIs, develop user interfaces, mentor peers, and improve system performance and reliability.

The role involves designing and implementing distributed systems, collaborating with teams to develop features, and adopting best software practices.

Lead cross-team technical initiatives in cybersecurity platform. Design scalable services, own software development, perform code reviews, and mentor engineers.

Design and develop backend solutions for a patient journey application, collaborate with teams, integrate APIs, and ensure code quality.

As a Staff Engineer at Kin, you will develop products, lead projects, mentor team members, and engage with cross-functional teams to solve complex engineering challenges.

The Senior Software Engineer will architect, develop, and deliver scalable software solutions, mentor junior engineers, and act as a technical leader in cross-functional teams.

Design and maintain a robust browser extension for major browsers, ensuring security and performance while integrating with backend services. Collaborate across teams for feature implementation and compliance with security standards.

As a Senior Software Engineer, you will design and maintain microservices, develop cloud software, build scalable services, and lead projects while collaborating with teams on automation and reliability.

Design and implement backend services for an AI-driven automation platform, focusing on LLM orchestration, API development, and system reliability.

The Staff Machine Learning Engineer will develop and maintain MLOps tools, optimize model performance, and collaborate on ML system architecture with a focus on enhancing developer experience.

Lead a team of engineers, design scalable solutions, and build complex features across the stack, ensuring high quality and best practices.

The Senior Software Engineer will design, build, and maintain scalable software solutions, collaborating with cross-functional teams to improve public transit services using modern technologies.

Design and optimize scalable data pipelines and infrastructure supporting AI/ML initiatives. Collaborate with cross-functional teams to deliver insights from large datasets.

The Senior Software V&V Engineer will oversee verification and validation activities for software systems in bioinformatics, ensuring compliance and rigorous testing of diagnostic tools.

The Principal Software Engineer will lead frontend architectural vision, establish engineering standards, and drive cross-team technical leadership while enhancing developer experience and quality assurance in a growing organization.

Seeking a Senior Elixir Engineer to develop scalable systems and contribute to technical decisions within product groups, focusing on Elixir and cloud technologies.

The Senior Software Engineer will develop the EnCompass platform, drive architectural strategies, and foster innovation within the team. Responsibilities include collaboration, implementation of efficient methods, and aligning with business objectives.

The Senior Software Engineer will design, develop, and maintain complex software systems, focusing on big data technologies and agile practices, while mentoring peers and leading projects.

The Senior Software Engineer will design and develop employer benefits solutions, collaborating with stakeholders and mentoring peers, while maintaining high software quality through testing and agile practices.

As a Staff Software Engineer, you will lead architectural decisions, mentor engineers, and collaborate cross-functionally to develop scalable solutions that enhance the customer experience.

As a Senior Software Development Engineer, you'll solve client challenges through technical design, development, testing, and collaboration, while mentoring peers and improving processes.