Top Software Engineer Jobs in St. Louis, MO

Develop and maintain scalable GIS applications and services on the Esri platform to support utility operations. Build Python-based tools (ArcPy, ArcGIS API for Python), configure ArcGIS Field Maps for mobile data collection, implement ETL/QA workflows, manage geodatabases and RESTful services, and integrate GIS with asset/work management and analytics systems while collaborating with engineers and stakeholders.

Develop and maintain backend services and RESTful APIs using .NET Core/.NET 5+, collaborate with React frontend teams, write unit and integration tests, query SQL Server/PostgreSQL databases, participate in code reviews and agile processes, and use AI-assisted development tools to improve productivity.

Develop, maintain, and operate Mission Control web app and supporting microservices for satellite operations. Design and implement HTTP APIs, deploy critical infrastructure, and improve automation. Collaborate with cross-functional teams to ensure satellite scheduling, telemetry processing, and operational tooling meet mission needs. Support CI/CD, testing, and database-backed services.

Build, maintain, and operate cloud-based services and automation for satellite operations. Manage infrastructure, design/deploy critical systems, support microservices and CI/CD workflows, ensure reliability and SLAs, collaborate with cross-functional teams to minimize operational burden and automate satellite operations.

Build and scale backend systems and APIs for Segment CDP, collaborate with product and design, identify performance bottlenecks, improve reliability, participate in on-call rotation, and drive architectural decisions balancing velocity and stability.

Develop, maintain, and execute automated test plans and frameworks; build specialized testing tools; perform functional, whitebox, load and performance testing; analyze results and defects; participate in SDLC and code reviews; mentor QA staff; produce test plans, test data, metrics, and reports; and recommend improvements to product reliability and QA processes.

Lead technical strategy and architecture for Coinbase's Blockchain Platform, overseeing nodes, indexers, wallets, and asset lifecycle. Drive cross-team platform rearchitectures, enforce security and reliability standards, champion AI-driven automation, use observability to improve reliability, and represent the platform to executives to secure alignment and resources for large-scale blockchain infrastructure initiatives.

As a Senior Software Engineer in ZT1, you will lead backend system development, manage projects, and influence product direction in a fast-paced, AI-centric environment.

Design and build scalable distributed systems for financial transactions, incorporating AI tools and ensuring reliability and security of production systems while collaborating with cross-functional teams.

Responsible for leading a team to improve developer productivity, managing projects, and ensuring high-quality code delivery while collaborating across teams.

As a Senior Software Engineer, you will design frontend architectures, collaborate with backend engineers, mentor others, and utilize AI tools for efficient development.

As a Software Engineer, lead full-stack development, mentor engineers, and design secure microservices for geospatial applications. Collaborate with teams to meet compliance and performance needs.

Design and build scalable, reliable backend systems and third-party integrations for provider-patient workflows and telehealth. Drive development lifecycle, solve complex technical challenges, and collaborate cross-functionally to ensure performance, security, and availability.

Design, build, and operate multi-tenant elastic storage control-plane services. Ensure high availability and performance, run observability and on-call practices, lead complex projects, collaborate cross-functionally, mentor junior engineers, and contribute to scaling services handling petabytes of data.

Lead long-term technical strategy and execution across multiple teams, architecting and evolving foundational frontend/backend systems and platforms at massive scale. Drive AI/ML adoption, solve ambiguous, high-impact problems, remain hands-on in critical system design and implementation, and align senior leaders on roadmaps and engineering standards.

Build and scale customer-facing and backend systems for Upstart's Auto Secured Personal Loan product. Design eligibility, decisioning, funnel and workflow automation, collaborate with product, risk, and operations, deliver reliable production software in a regulated environment, and drive technical direction and observability for long-term platform expansion.

Develop and maintain Java applications for DoD systems, focusing on backend services, REST APIs, and microservices, while ensuring security and performance.

As a Software Engineer on the OpEx team, you will enhance internal tools, automate workflows, and improve software delivery using AI technologies and CI/CD practices.

As a Software Engineer III, you'll build the Trader Experience platform, design applications, and ensure platform reliability while collaborating with engineering teams.

The Software Engineer will develop customer-facing integrations, build APIs, enhance security, and improve system reliability while collaborating with multiple teams.

Contribute to the design and implementation of SMTP relay infrastructure, ensuring performance and reliability for email services and collaborating with teams to meet customer needs.

The Software Engineer will develop and maintain Alteryx's Intelligent Services cloud and on-prem product suite, focusing on design, development, and quality assurance.

As a Software Engineer, you will develop SaaS solutions, maintain code quality, collaborate with teams, and leverage AI tools for productivity.

The Software Engineer II will develop and maintain software products, design systems, ensure quality and security, and guide teams in software solutions.

Design, develop, and optimize platform-level embedded software and reusable frameworks for telecom products (including 5G). Collaborate across systems teams, perform architecture and code reviews, support integrations with customers/partners, and mentor engineers while ensuring performance, scalability, and reliability on heterogeneous processors.