Full Stack Developer

Description We are looking for a Full Stack Developer to join an innovative technology team in Princeton, New Jersey. This position focuses on creating robust software solutions across the user interface, backend services, and intelligent data-driven components that support advanced applications. The ideal candidate will enjoy turning complex technical concepts into practical products and partnering with cross-functional teams to deliver reliable, scalable results.

Responsibilities:

- Create and deliver complete application features spanning front-end interfaces, server-side logic, and data-driven or AI-enabled components.

- Develop software capabilities that leverage modern AI services, including semantic retrieval, vector-based search, embedding workflows, and related intelligent features.

- Incorporate large language models and agent-oriented interaction patterns into production tools used by analysts and other end users.

- Build and maintain dependable, scalable backend services along with shared libraries and reusable frameworks that improve team productivity.

- Work with search and event-streaming technologies to ingest, process, and access high-volume data efficiently.

- Rapidly test new concepts through prototyping, then refine successful approaches into secure, production-ready solutions.

- Apply AI-assisted development tools effectively while maintaining accountability for code quality, security, and correctness.

- Partner with engineers, analysts, and customers to translate business needs into technical plans, delivery estimates, and well-documented implementations. Requirements

- 3 to 6 years of experience developing and deploying full-stack applications in production environments.

- Proficiency with at least one modern front-end framework such as Vue.js, React, or Angular, along with strong Type Script skills.

- Strong backend development experience using Python and/or Kotlin or Java, supported by solid software design and architectural knowledge.

- Good understanding of web application fundamentals, including authentication, browser storage, cookies, and asynchronous behavior.

- Experience working with search platforms or document-oriented databases such as Open Search, Elasticsearch, or MongoDB.

- Familiarity with AI or machine learning application concepts such as embeddings, vector search, or retrieval-augmented generation, or a demonstrated ability to learn emerging technologies quickly.

- Strong analytical thinking and communication skills, with the ability to collaborate effectively with both technical and non-technical stakeholders.

Technology Doesn't Change the World, People Do.®

Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

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All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit  for more information.

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