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Prompt Engineer Jobs in Lowell, MA (NOW HIRING)

SevenAI

Senior AI Engineer

Boston, MA · On-site

$113K - $155K/yr

Drive prompt engineering and iteration - refine prompts, templates, and context strategies to meet product quality and reliability goals. * Manage real-world evaluation metrics - measure usefulness ...

Re:Build Manufacturing

Senior AI Engineer

Boston, MA · On-site

$113K - $155K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

You've shipped LLM-powered agent systems to real users, you have strong intuitions about prompt engineering, tool use, and orchestration patterns, and you keep up with a field that changes fast. You ...

Klaviyo

Senior AI Application Engineer

Boston, MA · On-site

Lead benchmarking, evaluation, and fine-tuning of foundation models for Klaviyo use cases, including prompt engineering and parameter-efficient fine-tuning techniques. • Establish AI engineering ...

Invicti Security

Senior Software Engineer, Agentic AI

Boston, MA · On-site +1

$133K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

LLM Prompt Engineering: Develop and refine prompt chains for real security use cases, including triage, prioritization, and remediation * RAG & Memory Systems: Build retrieval-augmented generation ...

Doist

Senior Software Engineer, Agentic AI

Boston, MA · On-site

$140 - $200/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

LLM Prompt Engineering: Develop and refine prompt chains for real security use cases, including triage, prioritization, and remediation * RAG & Memory Systems: Build retrieval-augmented generation ...

New

Invicti Security

Senior Software Engineer, Agentic AI

Boston, MA · Hybrid

$133K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

LLM Prompt Engineering: Develop and refine prompt chains for real security use cases, including triage, prioritization, and remediation * RAG & Memory Systems: Build retrieval-augmented generation ...

Invicti Security

Senior Software Engineer, Agentic AI

Boston, MA · Remote

$125K - $165K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

LLM Prompt Engineering: Develop and refine prompt chains for real security use cases, including triage, prioritization, and remediation * RAG & Memory Systems: Build retrieval-augmented generation ...

CVS Health

Staff Software Development Engineer

Wellesley, MA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Design, implement, and integrate LLM-based solutions into UM workflows, applying hands-on knowledge of ML concepts such as prompt engineering, fine-tuning, embeddings, and retrieval-augmented ...

YO AI Labs

AI Software Engineer Expert - Remote

Boston, MA · Remote

$100 - $200/hr

Prompt Engineering * AI Output Evaluation * Technical Documentation * Technical & Professional Writing * Content Review & Editing * Data Annotation * Fact Checking * Independent Research * Business ...

Philips

AI Solutions Engineer

Cambridge, MA · On-site

$107K - $170K/yr

  • Retirement

  • PTO

Design, develop, and deploy enterprise AI solutions from concept through production, leveraging large language models (LLMs), AI agents, prompt engineering, and Retrieval-Augmented Generation (RAG)

YO AI Labs

AI Software Engineer Expert - Remote

Boston, MA · Remote

$100 - $200/hr

Prompt Engineering * AI Output Evaluation * Technical Documentation * Technical & Professional Writing * Content Review & Editing * Data Annotation * Fact Checking * Independent Research * Business ...

YO AI Labs

AI Software Engineer Expert - Remote

Boston, MA · On-site

$83 - $138/hr

Prompt Engineering * AI Output Evaluation * Technical Documentation * Technical & Professional Writing * Content Review & Editing * Data Annotation * Fact Checking * Independent Research * Business ...

CVS Health

Staff Software Development Engineer

Wellesley, MA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Design, implement, and integrate LLM-based solutions into UM workflows, applying hands-on knowledge of ML concepts such as prompt engineering, fine-tuning, embeddings, and retrieval-augmented ...

Vrtx

Principal Engineer, AI Authoring

Boston, MA · Hybrid

$166K - $250K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Expertise in prompt engineering, retrieval pipelines, and modular AI system design. * Strong background in engineering data workflows, including structured and unstructured data integration.

Recorded Future

Senior Software Engineer

Boston, MA · On-site

$133K - $175K/yr

... prompt engineering, agentic loop design, and retrieval-augmented generation (RAG). • Experience driving coordinated action between cross-functional teams (product, research, stakeholders) working ...

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Showing results 21-40

All JobsPrompt Engineer JobsPrompt Engineer Jobs in Lowell, MA

Prompt Engineer information

See Lowell, MA salary details

$10

$46

$87

How much do prompt engineer jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for prompt engineer in Lowell, MA is $46.70, according to ZipRecruiter salary data. Most workers in this role earn between $35.53 and $60.34 per hour, depending on experience, location, and employer.

What skills and qualifications are needed to be a prompt engineer?

To thrive as a Prompt Engineer, you need a strong grasp of natural language processing (NLP), machine learning concepts, and experience crafting effective prompts for large language models, usually supported by a technical degree or relevant experience. Familiarity with tools such as OpenAI's API, Hugging Face, or other AI platforms, as well as knowledge of programming languages like Python, is highly valuable. Creative thinking, analytical problem-solving, and cross-functional communication skills help differentiate top candidates in this field. These abilities are crucial for optimizing AI outcomes and ensuring collaboration with both technical and non-technical teams.

What does a prompt engineer do?

A typical day for a Prompt Engineer involves designing, testing, and refining prompts to enhance the performance of AI language models, often collaborating closely with data scientists, software engineers, and product managers. You might analyze the results of model outputs, integrate user or stakeholder feedback, and iterate on prompt strategies to solve diverse business challenges. Your role will usually include documentation, troubleshooting, and keeping up with the latest advances in AI technologies. Expect a mix of independent work and regular team meetings in a dynamic, fast-evolving environment focused on innovation and improvement.

Are prompt engineers still in demand?

Prompt engineers are currently in demand as organizations seek professionals skilled in designing effective prompts for AI language models. The role often requires knowledge of natural language processing, machine learning, and familiarity with AI tools like GPT. Demand is expected to grow as AI integration expands across industries.

What is a prompt engineer?

A Prompt Engineer is a professional who designs, refines, and optimizes prompts to improve interactions with AI models, such as ChatGPT. Their role involves understanding model behavior, crafting precise queries, and experimenting with phrasing to achieve desired outputs. They may work in AI research, software development, or content generation to maximize AI efficiency. Strong skills in language, logic, and sometimes coding are essential for success in this role.

What exactly is prompt engineer work?

A prompt engineer designs and optimizes prompts used to interact with AI language models, ensuring accurate and relevant outputs. The role requires understanding of AI systems, natural language processing, and often involves testing and refining prompts to improve model performance.

What are popular job titles related to Prompt Engineer jobs in Lowell, MA?

For Prompt Engineer jobs in Lowell, MA, the most frequently searched job titles are:

What job categories do people searching Prompt Engineer jobs in Lowell, MA look for?

The top searched job categories for Prompt Engineer jobs in Lowell, MA are:

What cities near Lowell, MA are hiring for Prompt Engineer jobs?

Cities near Lowell, MA with the most Prompt Engineer job openings:

Prompt Engineer jobs near you
Infographic showing various Prompt Engineer job openings in Lowell, MA as of August 2026, with employment types broken down into 75% Full Time, 21% Part Time, and 4% Contract. Highlights an 74% In-person, and 26% Remote job distribution, with an average salary of $97,133 per year, or $46.7 per hour.

Senior AI Engineer

SevenAI

Boston, MA • On-site

$113K - $155K/yr

Full-time

Re-posted 23 days ago

Job description

7AI empowers Security teams to shift high-value tasks to intelligent AI agents that help reshape the future of cybersecurity and automation. We're building at the bleeding edge of AI, blending deep engineering with practical product impact. You'll collaborate with mission-driven teams in a fast-paced, high-growth environment where your contributions directly influence what's next in AI-powered systems.
This role builds on, but is distinct from, traditional ML engineering: the focus is not on training models from scratch, but on composing, optimizing, and scaling AI systems that solve complex enterprise problems.
What You'll Do
  • Architect and build LLM-powered systems - design retrieval workflows, context management, agent prompts, and structured output pipelines.
  • Orchestrate AI workflows using tools like LangChain, LlamaIndex, or similar frameworks, integrating them with product APIs and backend services.
  • Drive prompt engineering and iteration - refine prompts, templates, and context strategies to meet product quality and reliability goals.
  • Manage real-world evaluation metrics - measure usefulness, factual correctness, latency, and UX impact vs. classic accuracy alone.
  • Collaborate across functions - work closely with product, platform, and backend teams to ensure seamless integration.
  • Develop reliable, scalable deployments - focus on performance, cost efficiency, and observability in production environments.
Who You Are
  • Experienced in building real LLM applications - you've shipped systems that use large models meaningfully.
  • Strong software engineering skills - Python/TypeScript, API design, backend integration, and cloud deployment.
  • Tool fluency - comfortable with RAG, vector databases (e.g., Pinecone/Weaviate), workflow frameworks (LangChain, Dust), and related tooling.
  • Architectural thinker - you can diagram end-to-end solutions incorporating context windows, caching strategies, tool calls, and multi-step reasoning.
  • Product-oriented - you care not just that the AI works, but that it delivers value safely and reliably to users.
Basic Qualifications
  • 6+ years of software engineering experience, with at least 1+ year working building AI in production.
  • BS Degree in Computer Science or related field. Masters degree is a plus.
  • Demonstrated use of LLMs in production workflows or complex prototypes.
  • Strong coding ability in Python or equivalent; familiarity with backend frameworks and cloud services.
  • Experience with API integrations, database systems, and scalable architectures.
  • Experience with multi-modal models or multi-agent system design.
  • Familiarity with AI safety guardrails, hallucination mitigation, and structured output enforcement.
  • Knowledge of vector DBs, RAG architectures, and prompt lifecycle tooling.

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