Roth Staffing is looking for a Cloud Full Stack Developer II multiple openings in Newport Beach, CA
This is 6 months Temp/contract role and hourly Pay Rate: $70.00 to $73.96

This role is ideal for engineers passionate about building scalable, GenAI-driven applications, where you'll work hands-on developing full-stack features, APIs, and integrating LLM-powered workflows to deliver intelligent, high-impact solutions in an Ultra High Net Worth digital transformation initiative. If you enjoy combining modern JavaScript frameworks, .NET ecosystems, and AWS serverless architecture with cutting-edge AI capabilities, this could be a great fit.

Role Summary
Support development of Gen AI-enabled applications by building core features, APIs, and integration layers that enable scalable and reusable AI-driven experiences.

Key Responsibilities
· Develop web application features (UI + backend services)
· Build and maintain APIs and service layers
· Integrate LLM services into workflows (prompt + response handling)
· Implement data/context retrieval mechanisms
· Support prompt tuning and response validation
· Collaborate with senior engineer on:
· Reusable components
· AI orchestration patterns

Required Skills
* 5+ Years of Exp
* Strong expertise in:
o JavaScript/TypeScript, Node.js, React, AWS Services Serverless, SQL & NoSQL databases
o .NET / C# stack
* Experience building APIs and backend services
* Familiarity with:
o Hybrid ecosystems (.NET + modern JS stack)
o Cloud environments (AWS preferred)
o JSON-based data handling and integrations
* Experience integrating LLMs / Gen AI services
* Experience with:
o Prompt engineering
o Vector databases / embeddings (basic awareness)

TECHNICAL SKILLS
Must Have
* * Experience building APIs and backend services
* * Experience integrating LLMs / Gen AI services
* * Experience with: Prompt engineering Vector databases / embeddings (basic awareness)
* o Familiarity with: Hybrid ecosystems (.NET + modern JS stack) Cloud environments (AWS preferred) JSON-based data handling and integrations
* o Strong expertise in: JavaScript/TypeScript, Node.js, React, AWS Services Serverless, SQL & NoSQL databases .NET/C# stack

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, and Los Angeles County Fair Chance Ordinance.