Senior AI Application Developer (React / Next.js)

Senior AI Application Developer (React / Next.js)
$62/hr | W2 | Remote | 6-12 months (contract)

Del Oro Consulting is seeking a Senior AI Application Developer to design, build, and deliver modern AI-powered enterprise web applications. This is a hands-on engineering role for someone who excels at building scalable React/Next.js applications, integrating AI services, and creating maintainable, high-quality software.

The ideal candidate is a senior engineer who can independently own technical workstreams, build scalable AI-enabled applications, make sound architectural decisions, and deliver clean, maintainable code while collaborating effectively with cross-functional teams.

Responsibilities

• Design, develop, test, and deploy enterprise applications using React, Next.js, and TypeScript.
• Build reusable, modular UI components and scalable frontend architecture.
• Integrate REST APIs, backend services, authentication, and AI/LLM capabilities.
• Develop responsive, accessible, and secure user experiences.
• Optimize application performance, scalability, and maintainability.
• Troubleshoot complex application and integration issues.
• Participate in architecture, code reviews, sprint planning, and technical design discussions.
• Mentor developers and promote engineering best practices.

Required Qualifications

• 7+ years of software development experience with strong expertise in React, Next.js, TypeScript, and JavaScript.
• Experience building enterprise-scale web applications.
• Strong understanding of component architecture, state management, API integration, and modern frontend development.
• Experience with authentication (OAuth, OpenID Connect, JWT) and secure application development.
• Experience with testing frameworks (Jest, Playwright, Cypress, React Testing Library, or similar).
• Proficiency with Git, CI/CD, and Agile development practices.
• Excellent problem-solving, communication, and collaboration skills.

Required AI Experience

• Experience integrating LLMs or AI services (OpenAI, Anthropic, Azure OpenAI, AWS Bedrock, Google Vertex AI, or similar).
• Experience building AI-enabled features such as chat interfaces, prompt workflows, RAG, semantic search, or intelligent automation.
• Understanding of prompt engineering, AI API integration, and responsible AI development.

Preferred Qualifications

• Experience with Node.js, Express, NestJS, or Next.js API routes.
• Familiarity with AWS or Azure cloud environments.
• Experience with Docker, Storybook, monorepos (Nx/Turborepo), or micro-frontend architecture.
• Experience modernizing or refactoring enterprise React applications.

Details of Position:

• Work Arrangement: Remote
• Pay Rate, Consultant, Contract Opportunity on W2
• Benefits include Medical, Dental, Vision & 401(k) (with a match)
• Applicants must be authorized to work for any employer in the United States. We are currently unable to sponsor or take over sponsorship of employment Visa.

Del Oro Consulting is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.