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4 results for Senior Backend Developer in St. Louis, MO

Saint Louis, MO
onsite
Temporary / Contract
80 - 100 USD / Hourly
OverviewRobert Half is looking for a Senior DevOps / Cloud Engineer who can take ownership of a client's CI/CD pipelines and cloud environment. This person will be hands-on in AWS (with some Azure exposure) and help drive better DevOps practices across the team. There’s also a strong focus on mentoring—helping others level up in how they build, deploy, and operate in the cloud. What you’ll be doing<ul><li>Building and improving CI/CD pipelines to support faster, more reliable releases</li><li>Managing and scaling AWS environments (Azure experience is a plus)</li><li>Writing and maintaining infrastructure as code (Terraform, CloudFormation, etc.)</li><li>Automating wherever possible—deployments, monitoring, recovery, etc.</li><li>Working closely with dev, ops, and security teams to keep systems stable, secure, and performant</li><li>Helping teams adopt better DevOps practices and modern tooling</li><li>Troubleshooting issues in production and tightening up monitoring/alerting</li><li>Mentoring team members and sharing best practices across the organization</li></ul>
2026-05-18T00:00:00Z

Saint Louis, MO
onsite
Temporary / Contract
60 - 88 USD / Hourly
Our company is seeking a skilled and collaborative DevOps Engineer to join our technology team in St. Louis, MO. This role offers the opportunity to drive automation, streamline workflows, and optimize infrastructure for high-performance applications. Key Responsibilities:Design, deploy, and manage CI/CD pipelines to support agile development practicesAutomate infrastructure provisioning, monitoring, and scaling in cloud or hybrid environmentsCollaborate with development and IT teams to implement DevOps best practicesTroubleshoot and resolve issues in development, test, and production environmentsStay current with emerging DevOps technologies, tools, and methodologies
2026-05-04T00:00:00Z

Saint Louis, MO
onsite
Temporary / Contract
55 - 90 USD / Hourly
Our company is seeking a skilled and innovative Software Engineer specializing in Java and microservices architecture to join our team in St. Louis, MO. In this critical role, you will design, develop, and maintain scalable, distributed systems using Java and microservices best practices. Key Responsibilities:· Design, implement, and deploy Java-based microservices to support business requirements.· Collaborate with cross-functional teams to define, build, and release reliable and scalable systems.· Refactor legacy monolithic applications into modular microservices.· Ensure code quality, security, and performance through testing, code reviews, and automation.· Troubleshoot application and system issues, recommending and implementing improvements.· Leverage containerization and orchestration tools such as Docker and Kubernetes to manage deployments.
2026-05-04T00:00:00Z

Saint Louis, MO
onsite
Temporary / Contract
55 - 88 USD / Hourly
Our company is seeking an experienced and motivated .NET Engineer to join our growing technology team in St. Louis, MO. In this key role, you will be responsible for designing, developing, and supporting scalable web and application solutions using Microsoft .NET technologies. Key Responsibilities:· Design, develop, test, and maintain web applications and services using the .NET framework and C#.· Collaborate with cross-functional teams to determine system requirements and deliver quality solutions.· Troubleshoot, debug, and optimize existing systems to ensure high performance and reliability.· Participate in code reviews, implement best practices, and contribute to continuous improvement of development processes.· Create and maintain technical documentation for new and existing applications.
2026-05-04T00:00:00Z