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Machine Learning Engineers Jobs

Build and ship production ML systems that automate real business workflows.

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Key Machine Learning Engineers Capabilities

The skills and strengths employers look for in this field.

Model Development

Designing, training and evaluating supervised, unsupervised and deep learning models using frameworks such as PyTorch, TensorFlow and scikit-learn.

MLOps & Deployment

Packaging models as services, building CI/CD for ML, and managing versioning, rollout and rollback of models in production.

Data Pipeline Engineering

Building reliable feature and data pipelines, often with tools like Spark, Airflow, dbt and feature stores.

Cloud & Infrastructure

Deploying and scaling workloads on AWS, GCP or Azure using containers (Docker), orchestration (Kubernetes) and managed ML platforms.

Monitoring & Reliability

Tracking model drift, data quality, latency and accuracy in production, and triggering retraining when performance degrades.

Software Engineering

Writing production-grade Python (and often Go/Java/Scala), with testing, code review and system design discipline.

LLM & GenAI Integration

Working with large language models, embeddings, retrieval-augmented generation and prompt/evaluation tooling for automation use cases.

Experimentation

Running A/B tests, offline evaluation and metric design to validate that models deliver measurable business value.

Machine Learning Engineers Market Overview

Machine Learning Engineers sit at the intersection of software engineering, data science and operations. They are responsible for turning trained models into reliable, scalable production services — handling data pipelines, model training, deployment, monitoring and retraining. In an AI automation context, the role increasingly centres on integrating models (including LLMs and classical ML) into the systems that run a company's day-to-day processes.

Demand in the United States remains strong as organisations move from experimentation to production. Compensation is among the highest in software: reported averages for Machine Learning Engineers commonly fall in the $150,000–$190,000 range, with senior and specialist roles paying considerably more. MLOps and ML platform engineering — focused on the tooling, infrastructure and reliability of ML systems — command similar premiums as employers prioritise getting models into production dependably.

The field has split into several adjacent specialisms. Applied and deep learning engineers focus on model development; MLOps and ML infrastructure engineers focus on deployment, CI/CD for models, and observability; and ML platform engineers build the internal tooling that lets data teams ship faster. Cloud experience (AWS, GCP or Azure), containerisation, and familiarity with both classical ML and modern LLM tooling are now baseline expectations for most postings.

Machine Learning Engineers Salary Guide

Indicative ranges — actual pay varies by location, experience and employer.

RoleSalary (USD/yr)Contract (day rate)Experience
Machine Learning Engineer$120,000 - $175,000$600 - $9002-5 yrs
Applied / Deep Learning Engineer$135,000 - $200,000$650 - $1,0003-6 yrs
MLOps / ML Infrastructure Engineer$125,000 - $210,000$650 - $1,0003-6 yrs
ML Platform Engineer$140,000 - $215,000$700 - $1,1004-7 yrs
Senior Machine Learning Engineer$170,000 - $250,000$800 - $1,2006-9 yrs
Machine Learning Scientist$160,000 - $260,000+$800 - $1,300PhD / 5+ yrs

Indicative US ranges based on 2024-2025 market data; figures vary widely by region (SF/NYC/Seattle pay a premium), company stage and equity. Total compensation at large tech and AI firms can exceed base salary substantially through stock and bonuses.

Live market data (1 role with salary on the board)

Mid
$153,000$207,000

Professional Bodies & Qualifications

MLS-C01

AWS Certified Machine Learning – Specialty

Validates the ability to build, train, tune and deploy ML models on AWS; widely recognised for cloud-based ML engineering roles.

Google Cloud Professional Machine Learning Engineer

Certifies designing, building and productionising ML models on Google Cloud, including MLOps and responsible AI practices.

AI-102

Microsoft Certified: Azure AI Engineer Associate

Covers building, managing and deploying AI and ML solutions on Microsoft Azure.

TensorFlow Developer Certificate

Demonstrates practical skills in building and training deep learning models with TensorFlow.

Relevant degree

Many roles expect a BS/MS in Computer Science, Statistics, Math or a related field; research and scientist roles often prefer a PhD. Certifications and a strong project portfolio can substitute for credentials in practice.

Career Path & Progression

1

Junior / ML Engineer

Implements and trains models from specs, supports data pipelines and deployment under guidance. Builds core software and ML fundamentals.

2

Machine Learning Engineer

Owns models end-to-end, from data and training through deployment and monitoring, and contributes to platform and tooling decisions.

3

Senior ML / MLOps Engineer

Leads design of production ML systems, sets standards for deployment and reliability, and mentors others. Often specialises in platform, infra or applied research.

4

Staff / Principal or ML Lead

Sets technical direction across teams, architects ML platforms at scale, and aligns ML strategy with business automation goals.

Machine Learning Engineers Jobs by Location

Sant Cugat del Vallès, Catalonia1

Frequently asked questions

What's the difference between a Machine Learning Engineer and a Data Scientist?
Data scientists focus on analysis, experimentation and modelling to answer business questions, while ML engineers focus on building, deploying and maintaining models as reliable production software. The roles overlap, but ML engineering leans more heavily on software engineering and infrastructure skills.
What does an MLOps engineer do differently?
MLOps engineers specialise in the operational side of ML — CI/CD for models, deployment pipelines, monitoring, retraining and the platform tooling that lets teams ship models reliably. They may not build models themselves but ensure models run dependably at scale.
Which programming languages and tools should I know?
Python is essential, along with frameworks like PyTorch, TensorFlow and scikit-learn. Production roles also expect Docker, Kubernetes, a cloud platform (AWS, GCP or Azure), and pipeline tools such as Airflow or MLflow. LLM and GenAI tooling is increasingly valued for automation work.
Do I need a PhD to become a Machine Learning Engineer?
No. Most ML engineering roles require a bachelor's or master's plus strong software and ML skills. A PhD is typically expected only for research-heavy 'machine learning scientist' positions or cutting-edge applied research roles.
How much do Machine Learning Engineers earn in the US?
Reported averages commonly fall in the $150,000–$190,000 range, with mid-level engineers around $120,000–$175,000 and senior roles reaching $250,000 or more. Total compensation at large tech and AI firms can be significantly higher once equity and bonuses are included.
Is demand for ML engineers still strong?
Yes. As companies move AI projects from prototype to production and adopt automation, demand for engineers who can deploy and operate ML systems reliably remains high — particularly for those with MLOps, cloud and LLM experience.