Top Software Engineer Jobs in St. Louis, MO

Develop and deliver high-quality software on Windows, focusing on innovative features with strong C# and WPF skills, while optimizing performance and collaborating with teammates.

Software Engineers at Regrello will design and maintain full-stack solutions while collaborating across teams to deliver impactful products.

The Software Engineer will develop and maintain applications in the .NET ecosystem, enhance user experience, support legacy systems, and collaborate with cross-functional teams in an Agile environment.

As an Associate Software Engineer, you'll develop and ship code, collaborate on quality improvements, and learn in a supportive environment, focusing on frontend and backend projects with React and Python.

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

Interns will work on building features, developing backend services, improving system performance, writing tests, and participating in code reviews within a healthcare SaaS platform.

The Software Engineer will analyze, design, and develop modern application software, requiring adaptability to new technologies and frameworks.

The Software Engineer III develops and maintains backend microservices for order processing, collaborating with stakeholders to ensure software meets business needs.

The Principal Software Engineer will architect and lead the development of scalable systems, drive technical excellence, mentor teams, and promote best practices at a fintech company.

As a Senior Software Engineer, you'll build systems for route planning, dispatch, and real-time tracking for various logistics and operations, improving dispatcher tools and user experiences.

As a Senior Software Engineer, you will build AI-driven agent systems for media planning and execution, collaborating closely with data scientists and product teams.

The Full Stack AI Engineer will integrate AI capabilities into PerfectServe's platform, design AI architecture, build production features, and advise on AI solutions, with a focus on improving healthcare communications and outcomes.

The Senior UI Software Engineer develops software applications, focusing on complex UI solutions while collaborating with automation teams and ensuring quality through testing and debugging.

As a Staff Software Engineer, you'll design software solutions, mentor team members, improve engineering processes, and collaborate with stakeholders. Strong focus on TDD, microservices, and data-driven decision making.

The role involves optimizing restaurant menu systems, solving technical challenges, collaborating with teams, and improving operational capabilities in AI-powered solutions.

The Senior Software Developer will enhance HCSS products by implementing features, improving infrastructure, and mentoring junior developers while analyzing product architecture for improvements.

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.

Summer internship on an engineering team to design, implement, and test software in an agile environment. Write clean, maintainable code (Golang, Ruby, Python), collaborate with engineers, QA, and product, diagnose and debug issues, and help deliver reliable features while building technical and communication skills.

Design and maintain public blockchain infrastructure: author Solidity smart contracts (ERC-20/721), build finality-aware, event-driven services, integrate HSM-backed mint/burn flows, ensure reconciliation and scalability, and mentor junior engineers.

Develop and maintain full-stack web applications and APIs using TypeScript/Node.js and React/Next.js; optimize performance, collect data, fix bugs, and collaborate with stakeholders.

Staff Frontend Software Engineers at Sirona build user-facing applications, leading teams to improve radiology workflows through technology and innovative solutions.

As a Software Engineer at Flex, you will build APIs and scalable payment infrastructure for HSA/FSA transactions, interact with customers, and contribute to product development.

Join Flock Safety as an Android Applications Engineer, contributing to system development for crime prevention technologies while optimizing hardware reliability and enhancing LPR capabilities.

As a Senior Full-Stack Engineer, design and build scalable UI systems, own features end-to-end, collaborate on API design, and ensure production quality.

Design and build high-throughput database integrations and data-intensive systems. Ensure end-to-end reliability, debug production issues, improve tooling and observability, participate in on-call rotation, collaborate with customers and cross-functional teams, and drive product and open-source innovation.