Back End Node Developer with AI

job summary: We are seeking a Back End Node.js Engineer with strong hands-on experience building scalable web applications and integrating AI-powered capabilities into enterprise systems. This role will support high-impact product initiatives and requires a strong background in Node.js, TypeScript/JavaScript, APIs, distributed systems, and hands-on AI integration. Ideal candidates should have experience working with LLM APIs, RAG workflows, vector search, prompt orchestration, and AI-enabled application features.

location: Sunnyvale, California job type: Contract salary: $65 - 70 per hour work hours: 9am to 5pm education: Bachelors

responsibilities:

• Design, develop, and maintain scalable full-stack applications using Node.js, React, TypeScript/JavaScript, REST APIs, and GraphQL.
• Build backend services, APIs, and microservices that support high-volume enterprise applications.
• Integrate AI-powered features into product workflows using LLM APIs, RAG, embeddings, vector search, prompt orchestration, and response validation.
• Collaborate with product, frontend, backend, AI, and platform teams to deliver reliable customer-facing application features.
• Develop reusable UI components, API integrations, and backend services that support performance, scalability, and maintainability.
• Implement caching, logging, monitoring, error handling, testing, and CI/CD best practices.
• Review and validate AI-generated code or AI-generated outputs to ensure quality, security, reliability, and production readiness.
• Troubleshoot production issues, optimize application performance, and support ongoing platform improvements.

qualifications: 7+ years of software engineering experience.

Strong hands-on experience with Node.js, JavaScript/TypeScript, React, REST APIs, and GraphQL.

Experience building scalable backend services, APIs, microservices, and distributed systems.

Hands-on experience integrating AI/GenAI capabilities into applications, such as LLM APIs, RAG, embeddings, vector databases, semantic search, prompt engineering, or AI workflow automation.

Experience with SQL and/or NoSQL databases.

Experience with caching, testing, debugging, monitoring, and CI/CD pipelines.

Strong understanding of production-ready code, code reviews, performance optimization, and secure development practices.

Experience with eCommerce or large-scale enterprise applications is a plus.

Strong communication skills and ability to work cross-functionally in an Agile environment.

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

Qualified applicants in San Francisco with criminal histories will be considered for employment in accordance with the San Francisco Fair Chance Ordinance.

Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

We will consider for employment all qualified Applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance.

,

• Design, develop, and maintain scalable full-stack applications using Node.js, React, TypeScript/JavaScript, REST APIs, and GraphQL.
• Build backend services, APIs, and microservices that support high-volume enterprise applications.
• Integrate AI-powered features into product workflows using LLM APIs, RAG, embeddings, vector search, prompt orchestration, and response validation.
• Collaborate with product, frontend, backend, AI, and platform teams to deliver reliable customer-facing application features.
• Develop reusable UI components, API integrations, and backend services that support performance, scalability, and maintainability.
• Implement caching, logging, monitoring, error handling, testing, and CI/CD best practices.
• Review and validate AI-generated code or AI-generated outputs to ensure quality, security, reliability, and production readiness.
• Troubleshoot production issues, optimize application performance, and support ongoing platform improvements.

7+ years of software engineering experience. Strong hands-on experience with Node.js, JavaScript/TypeScript, React, REST APIs, and GraphQL. Experience building scalable backend services, APIs, microservices, and distributed systems. Hands-on experience integrating AI/GenAI capabilities into applications, such as LLM APIs, RAG, embeddings, vector databases, semantic search, prompt engineering, or AI workflow automation. Experience with SQL and/or NoSQL databases. Experience with caching, testing, debugging, monitoring, and CI/CD pipelines. Strong understanding of production-ready code, code reviews, performance optimization, and secure development practices. Experience with eCommerce or large-scale enterprise applications is a plus. Strong communication skills and ability to work cross-functionally in an Agile environment.