Top Senior Software Engineer Jobs in St. Louis, MO

As a Staff Software Engineer, you'll design and build scalable data infrastructure, optimize data pipelines, and collaborate across teams to deliver effective streaming solutions, leveraging technologies like Kafka and Spark.

As a Senior Software Engineer at Lob, you will develop logistics applications, collaborate with teams, and write technical documentation, primarily using Node.js and Go.

Design and build features for Dandy's manufacturing and supply-chain platform, including order routing, real-time order status, CAD->CAM automation support, performance optimization, and cross-team collaboration to deliver scalable production systems.

Design and develop software solutions enhancing user experience for Governance features, contribute to open-source software, communicate technical designs, and support team quality through reviews.

Build and scale real-time invariant enforcement across fund flows, contribute to core platform development, mentor junior engineers, and operate correctness models in production.

Lead the design and implementation of AI-based products, collaborate with stakeholders for strategic guidance, and build scalable systems while mentoring teams. Required to have significant experience in coding and AI technologies.

The role involves owning the architecture and technical direction of Payment Rails infrastructure, designing high-reliability systems for global payment processing, and leading cross-functional collaborations to create efficient, compliant solutions. Responsibilities also include mentoring team members and enhancing operational excellence through AI-driven improvements.

Develop and manage high-performance back-end systems, design secure APIs, optimize performance in cloud environments, conduct testing, and manage ML model lifecycles.

Lead system-level integration, verification, and validation of software/hardware mission systems using DevSecOps, CI/CD, containerized deployments, and cloud-native test environments. Develop and maintain requirements and traceability, define test strategies and acceptance criteria, analyze results, drive corrective actions, and mentor junior engineers. Ensure interoperability, performance, and mission assurance in secure DoD environments.

The Senior Software Engineer will develop, optimize, and maintain systems for the Capital Marketplace, collaborating across teams to enhance services for investors and stakeholders.

As a Senior Software Engineer, you'll build and enhance Collectly's healthcare financial products using Python and potentially React, focusing on backend systems and user-facing features.

Lead the technical strategy for Coinbase's Data Platform, architecting data systems for AI/ML workloads and ensuring data reliability, performance, and cross-functional alignment.

Design, build, and maintain resilient full-stack services for distributed financial SaaS systems. Lead end-to-end projects, optimize performance, ensure security and observability, mentor teams, and reduce technical debt.

As a Principal Software Engineer, you'll architect and code backend services and ML models, integrate them with Salesforce, and mentor junior engineers.

As a Senior Software Engineer, you will design best practices for AI Agents, develop standards, collaborate on product opportunities, and stay updated on emerging Agent techniques.

The Staff Platform Engineer will design and build scalable infrastructure for dental technology, collaborate with teams, advocate for improvements, and maintain high standards in coding and security.

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.

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

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

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.

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.

Seeking a Senior Software Development Engineer in Test to lead quality engineering initiatives, automate testing processes, and ensure software reliability across multiple teams in agile environments.

The MTS 1, Software Engineer at eBay will design and develop scalable applications, APIs, and server-side processing while collaborating with product teams and mentoring developers.

Build and maintain backend services, APIs, and data pipelines (real-time and batch). Integrate with data providers, support platform infrastructure, ensure data quality through testing and code reviews, and drive projects end-to-end with cross-functional collaboration.