Full Stack Developer Job at Holistic Partners, Inc, Irvine, CA

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  • Holistic Partners, Inc
  • Irvine, CA

Job Description

Job Title: Software Development Engineer (SDE – L5)

Location: Irvine, CA or (Hybrid – 3 days onsite / 2 days remote)

Type: W2 Only

Duration: 12+ Months Contract (High possibility of extension)

Must be an ex-Amazon employee

Job Summary

We are seeking an experienced L5 Software Development Engineer with prior experience at Amazon and strong expertise in Amazon Builder Tools. The selected candidate will join a high-impact TGS project team working on platform enhancements and scalable systems supporting billions of inventory items and thousands of vendors.

This is a full-stack role involving backend services, frontend development, AWS infrastructure, and DevOps practices.

Key Responsibilities

  • Design, develop, and maintain scalable full-stack applications
  • Build high-quality, maintainable code aligned with Amazon engineering standards
  • Develop and integrate APIs and event-driven architectures
  • Work with AWS services for cloud-native development
  • Collaborate with cross-functional teams for feature delivery and enhancements
  • Participate in testing, debugging, deployment, and DevOps processes
  • Contribute to AI integration and modern engineering practices

Required Qualifications

  • 7–10+ years of software development experience
  • Mandatory: Former Amazon FTE or 12+ months contractor at Amazon
  • Minimum 1+ year experience with Amazon Builder Tools
  • Strong backend experience with Java, Kotlin, Python, or similar
  • 3+ years frontend experience with React.js or similar
  • Hands-on experience with AWS CDK and cloud-native development
  • Experience with AWS services: Lambda, Step Functions, SQS, SNS, DynamoDB, RDS, S3, CloudWatch, OpenSearch, Redshift
  • Strong understanding of API design, distributed systems, and event-driven architecture
  • Experience across full SDLC (design, development, testing, deployment)

Preferred Skills

  • Experience with Node.js, TypeScript, and JavaScript
  • Exposure to AI integration and modern DevOps practices
  • Strong debugging and performance optimization skills

Job Tags

Contract work, For contractors, Remote work

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