What Is a Machine Learning Engineer

What Is a Machine Learning Engineer? Steps to Become One

March 19th, 2026
2510
12:00 Minutes

Machine learning is a part of artificial intelligence and the creation of models. It lets computer programs find hidden patterns in data to guess what might happen next without needing explicit instructions. Only trained experts can do these ML tasks and that indicates a rising demand for machine learning engineers. But what is a machine learning engineer and what do they do? They create artificial intelligence systems and build models that are trained on datasets. The demand is going up for these experts and the future is rosy too. The need for these experts would go up by 40% by 2027.

What is Machine Learning?

The first question here is what is machine learning. This computer science and AI subset uses algorithms for learning from data in a way that is very similar to how humans learn as well. The intention is to make machines get better at their tasks as they work with more data to make them more accurate. This technology is used everywhere across the globe these days.

Video cameras and face IDs on the phone are two very common examples of the use of this tech. Businesses figure out customer preferences and behave by studying patterns in data through it. They can then create personalized advertisements and marketing campaigns that really connect with their customers.

Social media sites like Meta use it to show ads that fit what social media users like and post about. Shopping sites like Amazon do the same thing. They suggest products based on what their users have bought previously or looked at before. These were just a few examples of how well ML has been established in everyone's lives.

Explore other igmGuru's Machine Learning Certification Courses to learn more about this field.

Who is a Machine Learning Engineer?

ML engineers build software to make machines work independently on their own. These engineers have all the techniques and algorithms to build smart systems that can predict outcomes. They combine computer science, statistics and data science to come up with solutions for tricky problems. These skilled professionals can launch themselves in many fields, from tech to healthcare.

They work with other teams to add ML features to products and create new applications that use AI. These trained models make predictions just like humans do after learning from experiences. These programs improve and change to give a better result on receiving new information.

What Machine Learning Engineers do?

Readers now know what this field is about, who these professionals are, it's time to cover up what machine learning engineers do. They are the ones behind the creation of smart systems. These systems promote innovation and automate tasks in many industries. They need core technical skills along with a lot of other factors to make a difference. Here are some key things they do. These engineers work in lots of different places. Their job can change depending on the industry, company size and projects they're working on.

  • Integration and Deployment

The fun part of it all is beginning with the production of a model. ML engineers work to integrate the model into the systems and make them work properly. They work with a team of software engineers to set up ways to test and observe the way these models are performing.

  • Teaming Up

A big part of the job is teaming up with others. This means working with all the professionals from different departments of the company. ML engineers have two main tasks here. The first one is to detect what the business problems are and put those into technical terms. Next is to explain what the model does in a way that makes sense for the business.

  • Data Preparation and Analysis

Preparing the data is the first step to take before a model can learn. They collect and transform the data for normalizing it, fixing missing values and changing categories into numbers. This is done to transform messy data into something that is suitable for analysis and training models.

  • Testing and Validation

Their job isn't done even after creating the ML model. They need to check how well it functions. They use basic measures like ROC curve, accuracy and precision for checking classification models. Engineers find and fix issues like underfitting and overfitting.

Related Article - Data Science and Machine Learning

Machine Learning Engineer Skills

Machines learn from data on their own, but these engineers and their skills are behind making it possible. Once programmed, they don't rely much on humans to update or improve them. It's a tricky area that ties AI and data science. Becoming a machine learning engineer includes many steps, one of which is earning the right skills. This is a must because they work with a large amount of data to create tools for users and come up with solutions to meet the goals.

1. Software Engineering Skills

  • DevOps and CI/CD

Professionals need to get a good grasp of DevOps to make the most out of ML models and observe how they work. It's a mix of software development and IT operations to create good-quality software. Two main practices in DevOps include Continuous Integration (CI) and Continuous Deployment (CD). CI automates change testing more easily in code for quickly fixing any occurring errors. CD automates the deployment of code changes to production after testing.

  • Version Control

Once engineers start using machine learning models in real life, they will need to update the data for training. Version control keeps track of all these changes. It records what is changed and when. One can easily go back to an earlier version if something goes wrong.

  • Cloud platforms

Cloud platforms like AWS, Azure and Google Cloud make it easy to create, train and launch machine learning models. AWS has Sagemaker that assists with machine learning without breaking the bank and also offers other tools like CodeBuild for automating the CI/CD process. More and more companies are using these platforms for their AI and ML projects.

2. Data Science Skills

  • Model Evaluation

Checking the working of the ML model after its creation is also important. One needs to observe different measures like recall, precision and accuracy to see if the model is going to meet the goals or not. Their work is not done here as they have to keep up with the performance of the model once it's used out in the real world.

  • Machine Learning

They need to know how to build accurate machine learning models like decision trees, clustering and regression algorithms. These algorithms make the model work well and even lead to a good experience for the customer. A deep understanding of math and statistics will lead to applying these techniques in an effective manner.

  • Statistical Analysis 

Statistics make sense of data and provide useful views. One should get familiar with tests, distributions and probability. They can create better models and predict outcomes from the data with this knowledge.

3. Soft Skills 

  • Communication

One wants to make sure that the final product is good enough for the company and customers. Good communication and the ability to express clearly are a necessity. Many stakeholders or people with a non-technical background may not understand technical terms. An adept expert knows how to present data clearly and share their thoughts.

  • Ability to Solve Problems

A professional would come across many challenges while creating and launching models. One must team up with coworkers to find out the reason behind an issue and check different fixes to solve it. The ability to face challenges with wits and solve them right away is something most professionals should have.

  • Consistent Learning

New tools and programming languages are always coming, so technology is never the same. Experts cannot stop at just one place and they are always giving a try to new frameworks as they come. They remain excited for new learnings to move forward in the field.

Machine Learning Engineer Salary

The average salary for these experts in the US is around $158k. Salary for the same role in India ranges between INR 3.0 Lakhs to INR 23.8 LPA. Explore our detailed guide on Machine Learning Engineer Salary here.

Wrapping up

Learners need directions and the right means to bring their journey to fruitful results. There's a big need for skilled folks who can create and work on machine learning models. One must understand what is a machine learning engineer and what they do to know that the change they make is big and influential. Budding engineers must remain a forever student with a lot of questions and must grab all learning opportunities to become an expert in the field.

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FAQs

Q1. What do ML engineers do daily?

They decide complicated targets and achieve those with artificial intelligence logic. They apply ML concepts and logic to solve tricky problems. Their job role also makes them analyze AI and machine learning based systems to keep an eye on project development.

Q2. What do machine learning engineers do in AI development?

They build technical tools that can take care of difficult tasks. These solutions can copy and work on how humans do things. It creates smart systems that solve real problems with methods that truly work.

Q3. What do machine learning engineers do compared to data scientists?

ML experts generally come after data scientists in a project. Data scientists look at data and find useful information from it. The latter writes code and puts the products into use.

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About the Author
Nehal Somani
About the Author

Nehal Somani is a technology writer specializing in Machine Learning, Artificial Intelligence, Deep Learning, and Robotic Process Automation. She simplifies complex concepts into clear, practical insights with an engaging style, helping beginners and professionals build knowledge, explore innovations, and stay updated in the fast-evolving tech landscape.

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