Software Engineer Jobs in St. Louis, MO

As a Mission Software Engineer, you'll develop solutions for government customers by integrating software into existing workflows, requiring significant travel, collaboration, and technical expertise.

The role involves designing, developing, and maintaining backend services including APIs for payments, subscriptions, and integrations, while collaborating closely with cross-functional teams.

Design and develop complex software solutions for the FedNow service, leveraging cloud technologies, Java, and Agile methodologies, ensuring high-quality and timely infrastructure support.

Design and develop software modules in C++, perform unit and integration testing, and partner with QA. Must have 3+ years experience and strong Linux skills.

Design, develop, test, and deploy scalable backend-to-UI applications using modern practices (microservices, serverless, CI/CD, IaC). Leverage AI-assisted coding and LLM tools to accelerate development, write unit tests and documentation, participate in estimations and architecture discussions, triage and resolve performance or production issues, and collaborate in an agile team.

As a Full Stack Software Engineer, you will develop and deploy software systems for DoD clients, enhancing operational capabilities and cybersecurity.

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.

Designs, develops, and deploys AI-driven, cloud-native applications on Azure. Builds RAG knowledge systems, AI agents, secure APIs, and orchestrated workflows using C#, .NET, Azure services, Docker, and CI/CD. Collaborates with stakeholders, ensures observability and security, supports production incidents, and provides documentation and knowledge transfer.

Develop and deliver Salesforce solutions across configuration, customization, and third-party integrations. Write clean Apex and Lightning Web Components, use Git for source control, follow Salesforce development lifecycle and best practices, mentor junior teammates, and advise government healthcare clients on modernization and technology adoption while meeting vetting and Public Trust requirements.

As a Full Stack Software Engineer, you will develop and maintain cloud services, collaborate in Agile development, and ensure code quality while integrating software with geospatial intelligence.

As a Software Engineer, you will design, develop, and integrate capabilities in a complex system while collaborating with team members to deliver impactful solutions.

The Software Developer will code, develop, integrate, and debug software for geospatial intelligence, ensuring code integrity through validation tests while collaborating in an Agile environment.

As a Software Engineer for the ARC team, you'll design and implement secure backend systems, manage model inference layers, improve engineering standards, and collaborate with teams to meet government agency needs.

As a Software Engineer in Frontier AI Infrastructure, you'll design secure systems for the public sector, improve engineering standards, and collaborate with cross-functional teams to meet government requirements. You'll also participate in customer engagements and contribute to the product strategy while ensuring compliance with federal regulations.

Design, develop, test, and maintain software for the Tomahawk program, translating customer requirements and ensuring product reliability. Requires 5+ years experience in .NET and SQL, with a Secret clearance.

Seeking a Mid Level Software Engineer to develop enterprise applications using Java, JavaScript, or Python, along with database design and micro-service architecture expertise.

Develop and scale web applications, manage large datasets, design APIs, ensure security, and collaborate in agile teams.

The Senior Software Engineer will collaborate on projects, optimize existing functionality, and ship cloud functions using Kotlin, focusing on enhancing product experience.

As a Senior Software Engineer, you will lead the development of scalable backend systems, manage feature development lifecycles, and engage with stakeholders to translate mission needs into technical requirements while ensuring implementation meets criteria.

The Staff Software Engineer will lead implementations, mentor engineers, define technical strategies, and communicate with stakeholders while enhancing federal engineering capabilities.

The Senior Software Engineer analyzes, designs, and implements software projects, focusing on Oracle EPM solutions and cloud configurations, and mentors less experienced developers.

The Junior Software Engineer designs and enhances backend services, implements DevSecOps pipelines, and contributes to system architecture while utilizing modern technology stacks.

This role involves leading backend services development, optimizing DevSecOps, and modernizing applications on AWS, while mentoring teams and driving geospatial solutions.

Seeking a Lead Software Engineer with 5+ years of experience in software development and 1-2 years in a leadership role, focusing on full-stack development and modernization initiatives in a cloud environment.

Design and develop scalable applications, collaborate across teams, troubleshoot issues, and utilize modern development practices in cloud environments. Requires extensive software engineering experience, particularly in Java and cloud technologies.