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Ai Engineer Jobs in Missouri (NOW HIRING)

AI Engineer

O Fallon, MO · On-site

$107K - $128K/yr

AI Developer Location: O'Fallon, MO (On-site) Company : Milestone Marketing Solutions Position Overview: We are seeking a talented and motivated AI Developer to design, build, and deploy AI-driven ...

AI Engineer

Saint Louis, MO · On-site

  • Medical

  • Retirement

  • PTO

Equifax is seeking a visionary AI engineer to lead our technology transformation initiative. In this role, you will lead a talented team in architecting and deploying cutting-edge, cloud-native ...

AI Engineer

Saint Louis, MO · On-site

$99K - $131K/yr

  • Medical

  • Retirement

  • PTO

Equifax is seeking a visionary AI engineer to lead our technology transformation initiative. In this role, you will lead a talented team in architecting and deploying cutting-edge, cloud-native ...

Senior AI Engineer

California, MO · On-site

$187 - $215/hr

  • Medical

  • Dental

  • Vision

Role Overview As a Senior AI Engineer on our Applied AI team, you will design and deploy production‑grade agentic AI systems that transform real‑world workflows at scale. This role is ideal for ...

AI Engineer

Saint Louis, MO · On-site

$50K - $112K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Industry/Sector Not Applicable Specialism IFS - Information Technology (IT) Management Level Associate & Summary The Opportunity As an AI Engineer, you will be at the forefront of transforming raw ...

Senior AI Engineer

O Fallon, MO · Hybrid

$97K - $134K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Title and Summary Senior AI Engineer Mastercard's Business & Market Insights (B&MI) group empowers organizations to achieve growth and innovation goals by delivering unparalleled data-driven ...

Distinguished AI Engineer

California, MO · On-site

$180 - $240/hr

Build reusable AI services, frameworks, accelerators, and reference architectures leveraged across multiple teams and use cases. * Partner with business domain SMEs, product, engineering ...

AI Engineer

Kansas City, MO · On-site

$50K - $112K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Industry/Sector Not Applicable Specialism IFS - Information Technology (IT) Management Level Associate & Summary The Opportunity As an AI Engineer, you will be at the forefront of transforming raw ...

Senior AI Engineer

O Fallon, MO · On-site

$97K - $134K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Title and Summary Senior AI Engineer Mastercard's Business & Market Insights (B&MI) group empowers organizations to achieve growth and innovation goals by delivering unparalleled data-driven ...

AI Engineer II

Saint Louis, MO · On-site

$92K - $126K/yr

POSITION SUMMARY McCarthy is seeking a full-time AI Engineer II who will be part of the Engineering and Intelligence team. In this role, you will design, build, and support AI-powered applications ...

AI Engineer II

Saint Louis, MO · On-site

$91K - $125K/yr

POSITION SUMMARY McCarthy is seeking a full-time AI Engineer II who will be part of the Engineering and Intelligence team. In this role, you will design, build, and support AI-powered applications ...

AI Engineer II

Saint Louis, MO · On-site

$91K - $125K/yr

POSITION SUMMARY McCarthy is seeking a full-time AI Engineer II who will be part of the Engineering and Intelligence team. In this role, you will design, build, and support AI-powered applications ...

Senior AI Engineer

O Fallon, MO · On-site +1

$97K - $134K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Title and Summary Senior AI Engineer Overview The Security Solutions Data Science team develops AI and machine learning capabilities that help protect the global payments ecosystem from fraud and ...

We are seeking an AI Developer to design, develop, and implement intelligent solutions that improve business processes, enhance decision-making, and drive operational efficiency. This individual will ...

We are seeking an AI Developer to design, develop, and implement intelligent solutions that improve business processes, enhance decision-making, and drive operational efficiency. This individual will ...

We are seeking an AI Developer to design, develop, and implement intelligent solutions that improve business processes, enhance decision-making, and drive operational efficiency. This individual will ...

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Showing results 1-20

Ai Engineer information

See Missouri salary details

$36.6K

$95.4K

$129K

How much do ai engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for ai engineer in Missouri is $95,444.00, according to ZipRecruiter salary data. Most workers in this role earn between $78,800.00 and $109,300.00 per year, depending on experience, location, and employer.

What does an AI engineer do?

An AI Engineer develops, implements, and optimizes artificial intelligence models and algorithms to solve complex problems. They work with machine learning frameworks, data pipelines, and large datasets to deploy AI-driven solutions. Their responsibilities often include programming, data preprocessing, model training, and integrating AI into applications. AI Engineers collaborate with data scientists and software engineers to build intelligent systems for businesses across various industries.

What are some common challenges faced by AI engineers in their day-to-day work?

AI Engineers often encounter challenges such as handling large and complex datasets, optimizing and debugging machine learning models, and ensuring their algorithms scale efficiently in production environments. Balancing innovation with real-world constraints—such as limited computational resources or data privacy concerns—is also a frequent aspect of the role. Additionally, working closely with data scientists, software developers, and stakeholders requires clear communication and adaptability. These challenges make the role dynamic and offer many opportunities for learning and professional growth.

What are the key skills and qualifications needed to thrive in the AI engineer position, and why are they important?

To thrive as an AI Engineer, you need a strong background in computer science, mathematics, and machine learning, usually backed by a relevant degree or equivalent experience. Proficiency with programming languages such as Python, TensorFlow, PyTorch, and tools like cloud platforms or version control systems is essential. Strong problem-solving abilities, effective communication, and a collaborative mindset are key soft skills for working in interdisciplinary teams. These competencies enable AI Engineers to design, develop, and deploy effective AI solutions that drive business and technological innovation.

What are the jobs of an AI engineer?

An AI engineer develops, tests, and implements artificial intelligence models and algorithms to solve complex problems. They work with machine learning, deep learning, and data analysis tools, often programming in languages like Python or TensorFlow. Their responsibilities include designing AI systems, optimizing performance, and ensuring integration with existing software infrastructure.

What are the most commonly searched types of Ai Engineer jobs in Missouri?

The most popular types of Ai Engineer jobs in Missouri are:

What cities in Missouri are hiring for Ai Engineer jobs?

Cities in Missouri with the most Ai Engineer job openings:

Infographic showing various Ai Engineer job openings in Missouri as of August 2026, with employment types broken down into 75% Full Time, 21% Part Time, and 4% Contract. Highlights an 63% Physical, 4% Hybrid, and 33% Remote job distribution, with an average salary of $95,444 per year, or $45.9 per hour.

Full-time

Re-posted 6 days ago


Job description

Job Title: AI Developer

Location: O’Fallon, MO (On-site)

Company: Milestone Marketing Solutions

Position Overview:

We are seeking a talented and motivated AI Developer to design, build, and deploy AI-driven solutions that enhance marketing performance, automate workflows, and generate actionable insights. This role will work closely with our marketing, data, and development teams to integrate AI into client campaigns and internal systems.

Key Responsibilities:

  • Design, develop, and deploy AI/ML models for marketing applications (e.g., customer segmentation, predictive analytics, personalization engines)
  • Build and maintain data pipelines to support AI initiatives
  • Integrate AI solutions into existing marketing platforms and tools
  • Collaborate with marketing strategists to identify opportunities for AI-driven improvements
  • Optimize model performance and ensure scalability
  • Stay current with emerging AI trends, tools, and best practices
  • Document processes, models, and workflows for internal use

Required Qualifications:

  • Bachelor’s degree in Computer Science, Data Science, AI, or a related field (or equivalent experience)
  • 2+ years of experience in AI/ML development
  • Proficiency in Python and Common AI/ML frameworks (e.g., TensorFlow, PyTorch, scikit-learn)
  • Experience with data processing and analysis (SQL, Pandas, etc)
  • Understanding of APIs and system integration
  • Strong problem solving and analytical skills

Preferred Qualifications:

  • Experience in marketing technology or digital marketing analytics
  • Familiarity with NLP, recommendation systems, or generative AI
  • Experience with cloud platforms (AWS, Azure, or GCP)
  • Knowledge of MLOps and model deployment practices