AI Engineer

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About the Role

We’re building AI tools that help marketing and creative teams do more with less — not by replacing their work, but by scaling their impact. From personalized email campaigns to dynamic product copy and ad content, our platform leverages large language models (LLMs), embeddings, and retrieval-augmented generation (RAG) to produce high-quality, on-brand marketing content at scale.

As an AI Engineer, you’ll play a key role in making that possible. You’ll be responsible for developing and maintaining the systems that power our generative workflows — including prompt orchestration, document retrieval, vector search, and model integration. You’ll work with unstructured brand assets like PDFs, campaign briefs, approved creative assets, and CMS content — transforming them into structured inputs for AI workflows that generate accurate, brand-aware deliverables.

This is a hands-on, collaborative role for someone who’s passionate about building practical, production-ready AI features — and excited by the idea of using modern applied ML in creative and business-critical ways.

This role is ideal for someone who’s comfortable working across both experimentation and implementation — from tuning prompts and embeddings to deploying services via Docker and cloud infrastructure.

 

Responsibilities:

• Design and build AI-powered systems for content generation, using LLMs, embeddings, and RAG techniques.
• Develop and maintain backend services that support AI workflows — including model inference, prompt orchestration, and data ingestion.
• Collaborate with product managers, engineers, and creative stakeholders to turn unstructured marketing data into structured, actionable inputs for AI.
• Integrate with vector databases and external APIs to enrich generation pipelines with relevant context.
• Monitor, evaluate, and iterate on model performance, cost, and latency in real-world usage.
• Contribute to MLOps pipelines for training, testing, and deploying models into production environments.
• Support the development of scalable infrastructure for delivering AI features to end users and downstream systems (e.g., marketing platforms like Braze or Iterable).
• Participate in technical planning and help shape the direction of AI capabilities across the platform.

About You

The essentials:

• Strong proficiency in Python and experience with ML/AI libraries such as LangChain, Hugging Face, TensorFlow, scikit-learn, or Transformers.
• Hands-on experience with LLM APIs and vector databases — including tools like OpenAI, Anthropic, pgvector, Pinecone, or Weaviate — with a track record of building and deploying production-ready AI features.
• Strong understanding of core NLP concepts such as text classification, entity recognition, semantic similarity, and vector-based retrieval.
• Familiarity with modern LLM workflows, including prompt engineering, embedding generation, function calling, and retrieval-augmented generation (RAG) pipelines.
• Comfort working with unstructured data such as brand guidelines, campaign briefs, PDFs, and CMS content.
• Practical experience with MLOps workflows — including model tracking, evaluation, and deployment — using tools like MLflow, Airflow, or similar.
• Experience building and deploying backend services using tools like FastAPI, Flask, or equivalent.
• A collaborative, product-minded approach to building — you care about real-world impact and working cross-functionally.
• Comfortable deploying services using Docker and working with cloud platforms (AWS, GCP, etc.).
• Prior work with product teams on LLM-driven UIs or generative content workflows.

Not a must, but a plus:

• Experience integrating AI features into MarTech ecosystems (Salesforce Marketing Cloud would be huge).
• Experience working with NVIDIA NIMs
• Experience with TypeScript and NestJS — helpful for collaborating with full-stack teams or contributing to API infrastructure.
• Background in creative tooling, marketing automation, or content management systems.

#LI-hybrid #LI-MJ1

What We Offer

Benefits

• Excellent, full coverage medical, dental, and vision insurance with employer-paid HRA
• Generous PTO and 15 company-wide holidays
• 401k with company contribution
• Paid parental leave
• Work-life balance with an emphasis on personal well-being
• Career growth in a disruptor space & entrepreneurial opportunities within the Monks network 
• A globally diverse & inclusive culture with employee resource groups such as S4 Melanin, Pride.Monks, Cultura.Monks, and more!
• Authentic commitment to DEI efforts and sustainable growth. (Why Sir Martin Sorrell signed The Climate Pledge here!)

 

 

Monks has provided a compensation range that represents its good faith estimate of what Monks may pay for the position at the time of posting. Monks may ultimately pay more or less than the posted compensation range. The salary offered to the selected candidate will be determined based on job-related factors, but not based on a candidate’s sex or any other protected status.

 

Salary Range$100,000—$190,000 USD

About Monks

Monks is the global, purely digital, unitary operating brand of S4Capital plc. With a legacy of innovation and specialized expertise, Monks combines an extraordinary range of global marketing and technology services to accelerate business possibilities and redefine how brands and businesses interact with the world. Its integration of systems and workflows delivers unfettered content production, scaled experiences, enterprise-grade technology and data science fueled by AI—managed by the industry’s best and most diverse digital talent—to help the world’s trailblazing companies outmaneuver and outpace their competition.

Monks was named a Contender in The Forrester Wave™: Global Marketing Services. It has remained a constant presence on Adweek’s Fastest Growing lists (2019-23), ranks among Cannes Lions' Top 10 Creative Companies (2022-23) and is the only partner to have been placed in AdExchanger’s Programmatic Power Players list every year (2020-24). In addition to being named Adweek’s first AI Agency of the Year (2023), Monks has been recognized by Business Intelligence in its 2024 Excellence in Artificial Intelligence Awards program in three categories: the Individual category, Organizational Winner in AI Strategic Planning and AI Product for its service Monks.Flow. Monks has also garnered the title of Webby Production Company of the Year (2021-24), won a record number of FWAs and has earned a spot on Newsweek’s Top 100 Global Most Loved Workplaces 2023.

 

We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents—and resonates with—the world around us.