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Prompt Engineer Internship Jobs in Newark, NJ (NOW HIRING)

Maximor AI

Software engineering Intern

New York, NY · On-site

Present your summer project to the full team at the end of the internship What We're Looking For ... Experience with LLM APIs (OpenAI, Anthropic, etc.) or prompt engineering * Exposure to accounting ...

DeepIntent

Applied AI Engineer

New York, NY · On-site

$105K - $120K/yr

... including internships, co-ops, or personal projects with deployed, real-world applications ... Understanding of prompt engineering best practices. * Naturally curious and proactive - you seek ...

Jane Street

Windows Engineer

New York, NY · On-site

... internship program here. About You If you've never thought about a career in finance, you're in ... Familiar with AI/LLMs and prompt engineering * Intellectually curious, collaborative, and eager to ...

Jane Street

Windows Engineer

New York, NY

... internship program here. About You If you've never thought about a career in finance, you're in ... Familiar with AI/LLMs and prompt engineering * Intellectually curious, collaborative, and eager to ...

Eulerity

Mobile iOS Developer Intern

New York, NY

$16 - $18/hr

Our engineers use Claude Code, agentic coding workflows, and prompt engineering as core parts of ... colors" internship. You'll own real work that ships to real users. * Take an active role in ...

Eulerity

Mobile iOS Developer Intern

New York, NY · On-site

$16 - $18/hr

Our engineers use Claude Code, agentic coding workflows, and prompt engineering as core parts of ... colors" internship. You'll own real work that ships to real users. * Take an active role in ...

Regal

AI Product Specialist

New York, NY · On-site

Computer Science, Engineering, Data Science) or have equivalent experience with prompt engineering. * Professional Work Experience: You have 1-2 year(s) of work or internship experience at start-up ...

Regal

AI Product Specialist

New York, NY

Computer Science, Engineering, Data Science) or have equivalent experience with prompt engineering. * Professional Work Experience: You have 1-2 year(s) of work or internship experience at start-up ...

American Express

AI Engineer III

New York, NY

Exposure to LLM tooling, prompt engineering, RAG, or agent frameworks through work, coursework, or personal projects. * Internship or early-career experience in fintech or other regulated ...

DeepIntent

Applied AI Engineer

New York, NY · On-site

$105K - $120K/yr

... including internships, co-ops, or personal projects with deployed, real-world applications ... Understanding of prompt engineering best practices. * Naturally curious and proactive - you seek ...

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Prompt Engineer Internship information

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How much do prompt engineer internship jobs pay per hour?

As of Aug 31, 2026, the average hourly pay for prompt engineer internship in Newark, NJ is $20.20, according to ZipRecruiter salary data. Most workers in this role earn between $16.83 and $21.88 per hour, depending on experience, location, and employer.

What is a prompt engineer internship?

A Prompt Engineer Internship is a temporary position where interns learn to design, test, and optimize prompts for AI models such as ChatGPT or other large language models. Interns work alongside experienced prompt engineers to create effective instructions that guide AI systems to produce accurate, relevant, and safe responses. This role often involves experimentation, analysis, and collaboration with developers or researchers. It's a great opportunity for those interested in artificial intelligence, natural language processing, and human-computer interaction. Interns typically gain hands-on experience in prompt engineering, data analysis, and understanding the limitations and capabilities of current AI models.

What do prompt engineer interns do?

As a Prompt Engineer Intern, you will typically work on developing, testing, and refining prompts for AI language models to optimize their performance across various applications. Your daily tasks may include experimenting with prompt phrasing, analyzing model outputs, collaborating with data scientists and product managers, and documenting best practices. Interns are often encouraged to share insights that improve prompt effectiveness and may contribute to internal knowledge bases. This role offers hands-on exposure to prompt engineering techniques and a chance to directly impact product features and user experience.

What skills and qualifications are needed to thrive as a prompt engineer intern?

To thrive as a Prompt Engineer Intern, you generally need a foundation in computer science, familiarity with natural language processing (NLP), and strong analytical skills, often supported by coursework or experience in AI or machine learning. Experience with programming languages like Python, APIs for large language models, and tools such as OpenAI or Hugging Face libraries is valuable. Creativity, critical thinking, and effective communication help interns design, test, and refine high-quality prompts collaboratively. These skills and qualities enable the intern to contribute meaningful insights, solve real-world challenges, and optimize AI model outputs in a rapidly evolving field.

What is the difference between Prompt Engineer Internship vs Data Scientist Internship?

AspectPrompt Engineer InternshipData Scientist Internship
Required CredentialsRelevant coursework, coding skills, familiarity with AI modelsStatistics, programming, data analysis, often a degree in CS or related field
Work EnvironmentTech companies, AI startups, research labsTech firms, finance, healthcare, research institutions
Industry UsageAI development, NLP projects, chatbot designData analysis, predictive modeling, data visualization
Search & Comparison IntentUnderstanding roles related to AI prompt designExploring data analysis internship opportunities

Prompt Engineer Internships focus on designing and refining prompts for AI models, requiring coding and AI knowledge. Data Scientist Internships involve analyzing data, building models, and deriving insights. While both are tech-focused, they serve different functions within AI and data analysis fields.

What are the most commonly searched types of Prompt Engineer jobs in Newark, NJ?

The most popular types of Prompt Engineer jobs in Newark, NJ are:

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For Prompt Engineer Internship jobs in Newark, NJ, the most frequently searched job titles are:

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The top searched job categories for Prompt Engineer Internship jobs in Newark, NJ are:

Prompt Engineer Internship jobs near you

Software Engineering Co-Op Internship

PetsApp

Manhattan, NY • On-site

$70 - $90/hr

Other

Posted 12 days ago

Job description

About LEA

LEA is building the document understanding API for wealth management. We help financial advisors and RIA (Registered Investment Advisor) firms unlock the power of their client documents using AI-powered data extraction and workflow automation.

By structuring data from PDFs like brokerage statements and financial plans, we enable use cases like proposal generation, onboarding, and client insights — integrating directly into systems like Orion, Morningstar, or internal advisor portals.

We’ve closed our seed round and are growing our team to refine our extraction engine and bring powerful, AI-driven workflows to the wealth management industry.

What You’ll Work On

This role is a mix of prompt engineering, model evaluation, internal tooling, and data curation. You’ll support our efforts to test and improve how we extract structured financial data from unstructured documents.

While most of the work will focus on testing and refining model outputs, you’ll also spend ~25% of your time coding — building internal tools to streamline this process.

Key Areas of Focus Prompt Engineering & Model Evaluation (60%)
  • Use tools like Reducto Studio to test and evaluate AI extraction performance
  • Run documents through different prompts & schemas to compare output quality
  • Identify inconsistencies and iterate on prompts for more accurate results
  • Log test outcomes, manage prompt versions, and maintain evaluation docs
Dataset Management & Redaction (15%)
  • Build and maintain a curated test dataset of financial documents
  • Editing documents using tools like Adobe Acrobat
  • Organize files and metadata into structured directories for version-controlled testing
Internal Tooling & Coding (25%)
  • Build small internal tools (e.g. scripts, dashboards, validators) to:
    • Automate testing runs across prompts or schemas
    • Compare JSON outputs and flag anomalies
    • Track evaluation history across document versions
  • Technologies might include: Ruby, Bash, simple web apps, JSON tooling, etc.

This part of the role is where you can flex your technical skills— and help us improve how we measure and enhance the extraction quality at scale.

You Might Be a Good Fit If You:
  • Love experimenting with LLMs and prompt design
  • Have strong attention to detail and enjoy analyzing model behavior
  • Are comfortable working with structured data (JSON, CSV) and document formats (PDF)
  • Have some programming experience and want to apply it to real-world AI systems
  • Are organized, communicative, and excited about startup life
Bonus Points For:
  • Experience writing scripts or simple internal tools (Ruby preferred)
  • Familiarity with data extraction, NLP, or LLM tools (e.g. OpenAI, Claude, Reducto, etc.)
  • Knowledge of document processing, evaluation frameworks, or prompt versioning
  • Interest in fintech, wealth management, or infrastructure-layer AI
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