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Brooksource

Sr Full Stack Engineer

Pay: $166,400/yr

Posted: 2 weeks ago

Location: Summit, NJ

Last Updated: 3 days ago

Hours: Full-Time

Expires: 11/23/2026

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Job Description

Sr Full Stack Engineer Summit, NJ Hybrid Role Compensation:

$75 – $80 per hour

ABOUT THE ROLE

Our client, a Fortune 500 Consumer Packaged Goods (CPG) company, is seeking a Senior Full Stack Engineer to serve as the technical anchor and lead for automation tools within the product development team. This hybrid role, based in Summit, NJ, offers high-impact engagement and direct partnership with business and technology leadership. You will own end-to-end full stack development, including standing up and managing cloud infrastructure (compute and database), designing and connecting APIs, and building frontend interfaces with React. The role requires hands-on expertise in GenAI prompt engineering to ensure consistent, low-hallucination AI-assisted workflows. You will guide architecture and approach, integrating backend and frontend systems, and collaborate closely with cross-functional teams to deliver impactful solutions.

WHAT YOU'LL DO

Own end-to-end delivery across backend, middle tier, and frontend for automation tool initiatives Stand up and manage cloud-based infrastructure (compute and database) to support application development (Azure preferred, AWS acceptable) Design, build, and connect APIs to enable application functionality Develop and integrate frontend interfaces (React preferred) with backend services Utilize Python for data manipulation and processing tasks Apply GenAI prompt engineering practices to ensure consistent, reliable model outputs and minimize hallucinations Act as the technical anchor for the build, guiding architecture and technical approach for the product development team Partner directly with business and technology leadership to deliver impactful solutions

WHAT YOU BRING

5+ years of full stack engineering experience with strong breadth across backend, middle tier, and frontend Demonstrated experience building and connecting APIs Experience standing up cloud-based infrastructure (compute and database) for application development — Azure preferred, AWS acceptable Frontend development experience, React preferred Python experience for data manipulation and processing Hands-on GenAI prompt engineering experience, including techniques for producing consistent model outputs and mitigating hallucinations Proven ability to work end-to-end, from infrastructure through interface

WHAT'S IN IT FOR YOU

High-impact engagement with a global Fortune 500 Consumer Health company Direct partnership with business and technology leadership Opportunity to lead technical architecture and approach for automation tools #LI-EW1