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Prompt Engineer Internship Jobs in Washington, DC

SwiftCruit

AI Prompt Engineer

Ashburn, VA · On-site

$66.70 - $133.30/hr

... experience , internships, or relevant academic project work. * 1+ year of hands-on experience ... Familiarity with prompt engineering techniques (few-shot, chain-of-thought, structured outputs ...

New

Amazon

Sr Software Development Engineer , AXU

Arlington, VA · On-site

$140K - $185K/yr

BASIC QUALIFICATIONS - 5+ years of non-internship professional software development experience - 5+ ... prompt engineering expertise (few-shot, chain-of-thought, ReAct, self-consistency techniques ...

Visa Inc.

Software Engineer

Ashburn, VA · On-site

$88K/yr

Our team operates as a product-oriented engineering group, owning the design and delivery of ... coursework, internships, or projects (e.g., LLM APIs, prompt design, RAG, or workflow-based AI ...

Visa

Software Engineer

Ashburn, VA · On-site

$88K/yr

Our team operates as a product-oriented engineering group, owning the design and delivery of ... coursework, internships, or projects (e.g., LLM APIs, prompt design, RAG, or workflow-based AI ...

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All JobsPrompt Engineer JobsPrompt Engineer Internship JobsPrompt Engineer Internship Jobs in Washington, DC

Prompt Engineer Internship information

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How much do prompt engineer internship jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for prompt engineer internship in Washington, DC is $21.88, according to ZipRecruiter salary data. Most workers in this role earn between $18.22 and $23.70 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 Washington, DC?

The most popular types of Prompt Engineer jobs in Washington, DC are:

What are popular job titles related to Prompt Engineer Internship jobs in Washington, DC?

For Prompt Engineer Internship jobs in Washington, DC, the most frequently searched job titles are:

What job categories do people searching Prompt Engineer Internship jobs in Washington, DC look for?

The top searched job categories for Prompt Engineer Internship jobs in Washington, DC are:

Prompt Engineer Internship jobs near you
Infographic showing various Prompt Engineer Internship job openings in Washington, DC as of August 2026, with employment types broken down into 56% Internship, and 44% Full Time. Highlights an 67% In-person, and 33% Hybrid job distribution, with an average salary of $45,501 per year, or $21.9 per hour.

AI Prompt Engineer

CACI International, Inc.

Ashburn, VA • On-site

Full-time

Medical, Retirement, PTO

Re-posted 20 days ago

Job description

Job Title: AI Prompt Engineer
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: None
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
* * *
The Opportunity:
CACI is currently looking for a AI Prompt Engineer to join our BEAGLE (Border Enforcement Applications for Government Leading-Edge Information Technology) Agile Solution Factory (ASF) Team supporting Customs and Border Control (CBP) client located in Northern Virginia! Join this passionate team of industry-leading individuals supporting the best practices in Agile Software Development for the Department of Homeland Security (DHS).
As a member of the BEAGLE ASF Team, you will support the men and women charged with safeguarding the American people and enhancing the Nation's safety, security, and prosperity. CBP agents and officers are on the front lines, every day, protecting our national security by combining customs, immigration, border security, and agricultural protection into one coordinated and supportive activity.
ASF programs thrive in a culture of innovation and are constantly seeking individuals who can bring creative ideas to solve complex problems, both technical and procedural at the team and portfolio levels.
More about this role:
We are seeking a highly creative, technically proficient, and detail-oriented Prompt Engineer to join our growing AI team. This pivotal role will be responsible for designing, testing, and optimizing prompts for Large Language Models (LLMs) to achieve high-quality, and reliable outputs for various use cases. You will be instrumental in translating complex requirements into effective AI interactions.
This role is ideal for someone who thrives on experimentation, understands how LLMs interpret language, and is passionate about unlocking the full potential of generative AI.
You will excel at developing innovative software solutions as part of a technically diverse and geographically disbursed team. A strong passion for AI technologies and experience with agile delivery and deploying software in short sprints.
Responsibilities:
  • Prompt Design & Optimization: Develop, refine, and iterate on prompts for various generative AI models (LLMs) to elicit desired behaviors, responses, and creative outputs.
  • Iterative Testing & Analysis: Conduct testing to compare prompt variations, analyze results drive continuous improvement.
  • Collaboration: Work closely with multiple groups to integrate prompts to streamline manual processes.
  • Research & Development: Stay abreast of the latest advancements in LLMs, generative AI, and prompt engineering techniques.
  • Fine-tuning & RAG Support: Provide input and collaborate on strategies for model fine-tuning and Retrieval Augmented Generation (RAG) to further improve accuracy.
  • Problem Solving: Debug unexpected model behaviors, identifying root causes within prompt structure, model limitations, or data context.

Qualifications:
Required
  • Must be a U.S. Citizen with the ability to pass CBP background investigation, criteria include, but not limited to:
    • 3-year check for felony convictions
    • 1 year check for illegal drug use
    • 1 year check for misconduct such as theft or fraud
  • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field (equivalent experience may be considered in lieu of degree).
  • Must be available to work a hybrid schedule with onsite requirements in Ashburn, VA
  • 0-3 years of professional software development experience, internships, or relevant academic project work.
  • 1+ year of hands-on experience working with Large Language Models (e.g., OpenAI GPT series, Llama, Gemini) or other generative AI models.
  • Experience with at least one programming language (Python, JavaScript/TypeScript)
  • Familiarity with prompt engineering techniques (few-shot, chain-of-thought, structured outputs, function calling)

Desired:
  • Problem-solving skills, with a data-driven approach to experimentation and optimization.
  • Witten and verbal communication skills, with an ability to articulate complex technical concepts clearly.
  • Ability to work independently and collaboratively in a fast-paced, evolving environment.
  • Exposure to RAG concepts, including embeddings and vector databases
  • Understanding of AI safety considerations (e.g., prompt injection, bias, data privacy)
  • Exposure to Agile/Scrum development environments

What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$66,700 - $133,300
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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