
Senior Software Engineer
Posted Oct 15

Posted Oct 15
This is a fully remote position, open to applicants in Virginia.
• Design, create, and maintain front-end web applications utilizing contemporary web technologies.
• Develop and style responsive user interfaces to ensure an effective user experience.
• Build and sustain backend REST services along with the business logic that supports platform functionalities and agentic AI workflows.
• Contribute to agentic AI components using frameworks like LangChain, LangGraph, and LangSmith.
• Assist in the development and deployment of cloud-based services and infrastructure on AWS, employing OpenSearch, SageMaker, Lambda, and SQS.
• Create and manage Infrastructure as Code with Terraform, Packer, and Terragrunt.
• Collaborate with AI/ML engineers, architects, and product stakeholders to convert requirements into scalable, production-ready solutions.
• Aid in testing, debugging, and enhancing performance.
• Maintain documentation for system architecture, APIs, and development methodologies.
• Provide guidance and mentoring to junior developers.
• A Bachelor's degree in Computer Science, Software Engineering, or a related discipline with 5 years of experience, or a Master's degree with 3 years of experience.
• 5 to 8 years of professional experience in software development.
• Must pass the CompTIA Security Plus Examination within 270 days of employment.
• U.S. Citizenship is required, with no dual citizenship permitted.
• Capability to obtain a secret security clearance.
• Experience in creating front-end web applications using HTML, CSS, and JavaScript.
• Proficient in developing backend services and APIs, including RESTful service architecture and implementation of complex business logic, utilizing Python, Java, or NodeJS.
• Strong analytical skills and the ability to thrive in a fast-paced, collaborative agile environment.
• Preferred experience with: ReactJS, LangChain, LangGraph, LangSmith, multi-agent orchestration, autonomous workflow design, LLM integration patterns, AWS, OpenSearch, SageMaker, Lambda, SQS, Terraform, Packer, Terragrunt, and DevSecOps practices.
• Competitive salary and performance-based incentives.
• Comprehensive health, dental, and vision insurance.
• Retirement savings plan with company matching contributions.
• Generous paid time off and holiday schedule.
• Opportunities for professional development and continuous learning.
Cosuno
ECOMMERCE ONE
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