Remote Machine Learning Engineer Jobs in Spain

Junior AI/ML Engineer, GenAI, AWS

🕒 November 7

🕒 November 7

Provectus

501 - 1000

💼 Consulting

🏥 Healthcare

🏭 Manufacturing

Junior AI/ML Engineer building RAG systems, AI services, and AWS deployments. Supporting Provectus’s enterprise clients through applied AI consulting and delivery.

🌐 Ukraine, Spain, +3 more countries – Remote

🇺🇦 Ukraine – Remote 🇪🇸 Spain – Remote 🇷🇸 Serbia – Remote 🇦🇲 Armenia – Remote 🇵🇱 Poland – Remote

⏰ Full Time

🟢 Junior

🤖 Machine Learning Engineer

🚫👨‍🎓 No degree required

👻 Ghost score 10%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 7 days.
• Jobs at this company usually fill in 42 days.
• No salary listed.

Senior Machine Learning Engineer – Scoring, Audience Models

Job not on LinkedIn

🕒 November 5

🕒 November 5

Job not on LinkedIn

iDelsoft

51 - 200

💼 Consulting

📣 Marketing

📦 Logistics

Senior ML Engineer building account scoring and lookalike models over B2B data. Owning model development, evaluation, serving, and production monitoring for a customer targeting product.

🇪🇺 Europe – Remote

⏰ Full Time

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 25%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 9 days.
• 18 open roles for a team of 20.
• No salary listed.

Machine Learning Engineer – TTS

Job not on LinkedIn

🕒 November 4

🕒 November 4

Job not on LinkedIn

Aiphoria

51 - 200

💼 Consulting

📦 Logistics

📣 Marketing

Machine Learning TTS Engineer advancing multilingual TTS and LLM-based speech synthesis for AI products. Taking research architectures into robust, efficient production systems.

🇪🇸 Spain – Remote

💰 $34M Series A - Aiphoria on 2025-07

⏰ Full Time

🟡 Mid-level

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 12%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 10 days.
• Jobs at this company usually fill in 22 days.
• No salary listed.

Senior ML Engineer

🕒 November 4

🕒 November 4

Sword Health

201 - 500

🏥 Healthcare

💼 Consulting

📦 Logistics

Senior ML Engineer building production LLM and ML systems for Sword’s AI-native healthcare platform. Designing reliable clinical agents, evaluation frameworks, and production feedback loops.

🇪🇺 Europe – Remote

⏰ Full Time

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 11%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 10 days.
• Jobs at this company usually fill in 61 days.
• No salary listed.

Senior ML Engineer – Inference Stack Optimization

🕒 November 4

🕒 November 4

Cast AI

201 - 500

☁️ SaaS

🤖 Artificial Intelligence

🤝 B2B

Senior ML Engineer optimizing LLM inference throughput, latency, cold starts, and cost for Cast AI’s Kubernetes cloud platform. Improving GPU serving, caching, quantization, and distributed inference.

🌐 Germany, Austria, +6 more countries – Remote

🇩🇪 Germany – Remote 🇦🇹 Austria – Remote 🇫🇷 France – Remote 🇮🇹 Italy – Remote 🇳🇱 Netherlands – Remote 🇵🇱 Poland – Remote 🇪🇸 Spain – Remote 🇬🇧 United Kingdom – Remote

⏰ Full Time

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 10%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 10 days.
• Jobs at this company usually fill in 21 days.
• No salary listed.

Machine Learning Engineer

🕒 October 30

🕒 October 30

ClickHouse

51 - 200

☁️ SaaS

🏢 Enterprise

🤖 Artificial Intelligence

Machine Learning Engineer building AI-powered features, inference APIs, and ML pipelines for ClickHouse’s real-time analytics cloud platform. Integrating models and ecosystem tools into production.

🌐 United Kingdom, Poland, +5 more countries – Remote

🇬🇧 United Kingdom – Remote 🇵🇱 Poland – Remote 🇵🇹 Portugal – Remote 🇫🇷 France – Remote 🇪🇸 Spain – Remote 🇩🇪 Germany – Remote 🇮🇹 Italy – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 25%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 15 days.
• Jobs at this company usually fill in 77 days.
• 188 open roles for a team of 114.
• No salary listed.

Senior AI/ML Engineer, GenAI, AWS

🕒 October 30

🕒 October 30

Provectus

501 - 1000

💼 Consulting

🏥 Healthcare

🏭 Manufacturing

Senior AI/ML Engineer building production GenAI systems for Provectus enterprise clients. Developing agentic workflows, RAG, evaluation, observability, and AWS cloud-native solutions.

🌐 Ukraine, Spain, +5 more countries – Remote

🇺🇦 Ukraine – Remote 🇪🇸 Spain – Remote 🇸🇰 Slovakia – Remote 🇷🇸 Serbia – Remote 🇦🇲 Armenia – Remote 🇸🇮 Slovenia – Remote 🇵🇱 Poland – Remote

⏰ Full Time

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 10%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 15 days.
• Jobs at this company usually fill in 42 days.
• No salary listed.

LLM/RAG – Machine Learning Engineer Intern

Job not on LinkedIn

🕒 October 29

🕒 October 29

Job not on LinkedIn

U-Glow

1 - 10

🏥 Healthcare

🏭 Manufacturing

📦 Logistics

LLM/RAG-Machine-Learning-Praktikum bei U-Glow, einem Entwickler nachhaltiger industrieller KI- und Softwarelösungen. Aufbau von Python-Pipelines, Retrieval-Systemen und digitalen Avataren.

🌏 Anywhere in the World

👨‍🎓 Internship

⚪️ Entry-level

🤖 Machine Learning Engineer

🚫👨‍🎓 No degree required

👻 Ghost score 12%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 16 days.
• Jobs at this company usually fill in 21 days.
• No salary listed.

Machine Learning Scientist

🕒 October 28

🕒 October 28

Mitek Systems

201 - 500

🤖 Artificial Intelligence

📋 Compliance

🔐 Security

Machine Learning Scientist developing explainable ML models for Mitek's digital identity and fraud prevention products. Analyzing complex data and scaling fraud solutions into production.

🇪🇸 Spain – Remote

💵 €50k - €75k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 0%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 17 days.
• Jobs at this company usually fill in 43 days.

Manager, Machine Learning Engineering, Checkout

🕒 October 27

🕒 October 27

Affirm

1001 - 5000

💳 Fintech

👥 B2C

🛍️ eCommerce

Machine learning engineering manager leading credit-lending models for Affirm’s pay-over-time financial products. Managing engineers, underwriting strategy, and advanced ML solutions across Europe and Australia.

🌐 Poland, Spain, +1 more countries – Remote

🇵🇱 Poland – Remote 🇪🇸 Spain – Remote 🇬🇧 United Kingdom – Remote

💵 zł365k - zł485k / year

💰 Post-IPO Equity on 2021-01

⏰ Full Time

🟠 Senior

🔴 Lead

🤖 Machine Learning Engineer

👻 Ghost score 1%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 18 days.
• Jobs at this company usually fill in 57 days.

Manager, Machine Learning Engineering – Checkout

🕒 October 27

🕒 October 27

Affirm

1001 - 5000

💳 Fintech

👥 B2C

🛍️ eCommerce

Machine learning engineering manager leading credit-lending models for Affirm's pay-over-time platform. Managing ML engineers and shaping underwriting strategy across Europe and Australia.

🇪🇸 Spain – Remote

💵 €103k - €139k / year

💰 Post-IPO Equity on 2021-01

⏰ Full Time

🟠 Senior

🔴 Lead

🤖 Machine Learning Engineer

👻 Ghost score 1%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 18 days.
• Jobs at this company usually fill in 57 days.

Senior AI/ML Engineer

Job not on LinkedIn

🕒 October 27

🕒 October 27

Job not on LinkedIn

Recare

51 - 200

🏥 Healthcare

⚕️ Healthcare Insurance

☁️ SaaS

Senior AI/ML Engineer building reliable LLM agents, evaluation systems, and APIs for Recare’s digital healthcare coordination platform. Protecting health data while guiding production AI strategy.

🌐 Germany, Austria, +5 more countries – Remote

🇩🇪 Germany – Remote 🇦🇹 Austria – Remote 🇵🇱 Poland – Remote 🇫🇷 France – Remote 🇮🇹 Italy – Remote 🇪🇸 Spain – Remote 🇵🇹 Portugal – Remote

💰 Venture Round on 2022-12

⏰ Full Time

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 11%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 18 days.
• Jobs at this company usually fill in 61 days.
• No salary listed.

Machine Learning Engineer, TTS

🕒 October 27

🕒 October 27

Cantina

51 - 200

🤖 Artificial Intelligence

🎮 Gaming

🌍 Social Impact

Machine Learning Engineer building production TTS, voice-cloning, and speech systems. Cantina develops an AI-powered social platform with lifelike characters across voice, video, and text.

🇪🇺 Europe – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 14%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 18 days.
• Jobs at this company usually fill in 32 days.
• No salary listed.

Senior ML Engineer – Malware Detection

🕒 October 24

🕒 October 24

CloudLinux

51 - 200

☁️ SaaS

🔐 Security

🌐 Web 3

Senior ML Engineer turning production web-malware data into classifiers, LLM-assisted triage, and generated signatures. Improving Imunify360 detection while controlling false positives, false negatives, and inference cost.

🌐 Poland, Spain, +4 more countries – Remote

🇵🇱 Poland – Remote 🇪🇸 Spain – Remote 🇬🇪 Georgia (the country) – Remote 🇧🇬 Bulgaria – Remote 🇦🇲 Armenia – Remote 🇲🇪 Montenegro – Remote

⏰ Full Time

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 10%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 21 days.
• Jobs at this company usually fill in 31 days.
• No salary listed.

Senior AI/ML Engineer

🕒 October 15

🕒 October 15

EcoVadis

1001 - 5000

💼 Consulting

🏥 Healthcare

📦 Logistics

Senior AI/ML Engineer building scalable AI/ML systems for EcoVadis, a business sustainability ratings provider. Delivering MLOps, cloud, and Databricks solutions across the organization.

🇪🇸 Spain – Remote

💰 Secondary Market on 2022-11

⏰ Full Time

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 10%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 30 days.
• Jobs at this company usually fill in 54 days.
• No salary listed.

Senior ML Engineer

🕒 October 14

🕒 October 14

Social Discovery Group

1001 - 5000

🌍 Social Impact

📱 Media

Senior ML Engineer shaping LLM strategy, post-training, agent systems, and evaluation. Building production AI that improves social connection, user experience, retention, and monetization.

🌐 Serbia, Spain – Remote

🇷🇸 Serbia – Remote 🇪🇸 Spain – Remote

⏰ Full Time

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 10%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 31 days.
• Jobs at this company usually fill in 41 days.
• No salary listed.

Junior AI/ML Engineer, GenAI, AWS

🕒 October 9

🕒 October 9

Provectus

501 - 1000

💼 Consulting

🏥 Healthcare

🏭 Manufacturing

Junior AI/ML Engineer building RAG systems, backend services, and AWS deployments. Provectus helps enterprises apply Claude and agentic AI to measurable business outcomes.

🌐 Ukraine, Spain, +3 more countries – Remote

🇺🇦 Ukraine – Remote 🇪🇸 Spain – Remote 🇷🇸 Serbia – Remote 🇦🇲 Armenia – Remote 🇵🇱 Poland – Remote

⏰ Full Time

🟢 Junior

🤖 Machine Learning Engineer

🚫👨‍🎓 No degree required

👻 Ghost score 10%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 36 days.
• Jobs at this company usually fill in 42 days.
• No salary listed.

Machine Learning Engineer – Governance ML Platform

🕒 October 1

🕒 October 1

EDB

501 - 1000

🏢 Enterprise

🤝 B2B

Machine Learning Engineer building governance ML infrastructure for EDB’s Postgres-based AI agent platform. Owning model serving, evaluation, red-teaming, and continuous improvement.

🇪🇺 Europe – Remote

💰 Venture Round on 2019-10

⏰ Full Time

🟡 Mid-level

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 11%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 44 days.
• Jobs at this company usually fill in 40 days.
• No salary listed.

Senior Machine Learning Engineer

🕒 September 24

🕒 September 24

Finom

501 - 1000

💳 Fintech

💸 Finance

🤝 B2B

Senior Machine Learning Engineer owning production risk-scoring models for Finom’s fintech platform. Developing, deploying, monitoring, and improving ML systems that prevent financial crime across Europe.

🇪🇸 Spain – Remote

⏰ Full Time

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 20%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 51 days.
• Jobs at this company usually fill in 43 days.
• No salary listed.