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Senior Full Stack Software Engineer (Node.js, React, Kotlin, AWS, AI/ML, AWS CDK, and CI/CD)

VDart, Inc.
Orange, CA Contractor
POSTED ON 8/8/2026
AVAILABLE BEFORE 9/6/2026

We are seeking a highly skilled Senior Full Stack Software Engineer to design, develop, and deliver scalable, cloud-native applications. This role is a senior individual contributor position requiring strong hands-on expertise in Node.js, React, Kotlin, AWS, AI/ML, AWS CDK, and CI/CD practices.

The ideal candidate will independently lead the development of medium-to-large features, contribute to technical design and architecture discussions, write high-quality production code, and collaborate closely with product managers, technical program managers, and cross-functional engineering teams.

< data-start="821" data-end="846">Key Responsibilities
  • Design, develop, test, and deploy scalable, secure, and high-performing full-stack applications using Node.js, React, and Kotlin.
  • Build and maintain cloud-native solutions using AWS services and AWS Cloud Development Kit (CDK).
  • Develop and integrate AI/ML-enabled capabilities into application workflows and business solutions.
  • Independently deliver medium-to-large, complex features with minimal supervision.
  • Write clean, maintainable, reusable, and production-quality code following established engineering standards.
  • Participate in system design, technical architecture, and design review discussions.
  • Conduct thorough code reviews and provide constructive technical guidance to engineering team members.
  • Mentor and support junior engineers through technical coaching, knowledge sharing, and best-practice adoption.
  • Troubleshoot and resolve complex application, integration, and production issues.
  • Build and maintain automated CI/CD pipelines to support reliable and efficient software delivery.
  • Collaborate with product managers, technical program managers, architects, and other stakeholders to translate business requirements into scalable technical solutions.
  • Utilize internal engineering platforms, development tools, and operational processes effectively.
< data-start="2154" data-end="2182">Required Qualifications
  • 5 8 years of professional software development experience, with strong full-stack engineering expertise.
  • Hands-on experience developing backend applications using Node.js and Kotlin.
  • Strong experience building modern, responsive web applications using React.
  • Proven experience designing and developing cloud-native applications on AWS.
  • Hands-on experience with AWS CDK and infrastructure-as-code practices.
  • Experience developing, integrating, or supporting AI/ML-based solutions.
  • Strong understanding of CI/CD pipelines, automated testing, and modern software delivery practices.
  • Demonstrated experience with application architecture, system design, and scalable distributed systems.
  • Strong coding, debugging, troubleshooting, and problem-solving skills.
  • Experience conducting code reviews and maintaining high engineering quality standards.
  • Ability to work independently, manage competing priorities, and deliver complex initiatives with minimal supervision.
  • Strong communication and collaboration skills.
< data-start="3244" data-end="3273">Preferred Qualifications
  • Experience with microservices, event-driven architectures, and distributed systems.
  • Familiarity with serverless technologies and AWS-managed services.
  • Experience with containerization technologies such as Docker and Kubernetes.
  • Knowledge of application security, cloud security, and secure software development practices.
  • Experience mentoring engineers and contributing to engineering standards and best practices.

Hourly Wage Estimation for Senior Full Stack Software Engineer (Node.js, React, Kotlin, AWS, AI/ML, AWS CDK, and CI/CD) in Orange, CA
$76.00 to $91.00
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