[Remote] Senior Full Stack Developer (JS, AWS)

Note: The job is a remote job and is open to candidates in USA. Capstone Integrated Solutions is a comprehensive services provider specializing in retail software development. They are seeking a highly skilled Senior AWS Full Stack Developer to design, develop, and deliver a cloud-native application for an AI-powered modernization project in the construction industry.

Responsibilities
• Design and develop the application architecture, UI/UX, and technical requirements during the Discovery & Design phase
• Configure and integrate AWS SES for automated email delivery and Amazon QuickSight for executive-facing dashboards
• Build and deploy a document upload portal enabling subcontractors to submit insurance certificates, bonding letters, and financial statements
• Develop RESTful and serverless APIs using AWS Lambda and Amazon API Gateway to support frontend/backend integration
• Create real-time status and risk profiling dashboards in Amazon QuickSight integrated with CMIC ERP data
• Integrate AI-powered document validation and exception management workflows driven by Amazon Bedrock
• Build and manage automated subcontractor outreach features including personalized email generation and response tracking via Amazon SES
• Develop and host frontend applications using AWS Amplify, Amazon S3, and Amazon CloudFront
• Participate in CI/CD pipeline setup, automated testing, and deployment to production environments
• Collaborate with cross-functional team members including AI/ML, DevOps, and Data Engineering resources
• Conduct integration testing, support user acceptance testing (UAT), and develop user training materials
• Contribute to knowledge transfer documentation and post-deployment operations guides

Skills
• 5+ years of full stack software development experience, with at least 2+ years working in AWS cloud environments
• Proficiency in modern frontend frameworks (React, Angular, or Vue) and backend development using Python, Node.js, or TypeScript
• Hands-on experience with AWS serverless architecture including Lambda, API Gateway, S3, and Amplify
• Experience building and configuring Amazon QuickSight dashboards and data visualizations
• Familiarity with Amazon SES for transactional and automated email workflows
• Strong understanding of RESTful API design, data modeling, and cloud-native integration patterns
• Experience with CI/CD pipelines and DevOps practices (AWS CodePipeline, CodeBuild, or equivalent)
• Solid skills in frontend/backend integration, application testing, and deployment automation
• Excellent problem-solving, communication, and collaboration abilities within Agile/Scrum teams
• Experience with Amazon Bedrock, Amazon Textract, or other AWS AI/ML services
• Familiarity with ERP systems or API integrations (CMIC or similar construction/enterprise platforms)
• AWS Certification (Developer Associate or Solutions Architect)
• Experience with CloudFront CDN configuration and S3 static site hosting
• Background in construction, insurance, or financial services industries

Benefits
• Remote work

Company Overview
• CapNexus is a U.S. It was founded in 2026, and is headquartered in Middletown, New York, US, with a workforce of 51-200 employees. Its website is http://www.capnexus.io.