Gen AI ML Engineer: LLMs, Embeddings & Agent Workflows (Remote)

Loka® Inc; Viseu; Remote; EUR 42,000 - 65,000; Full time

Benefits offered by this job

Remote-first culture

Explore and Relocation programs (three

months work abroad or full intl relo)

Paid sick days and local holidays

Fitness and/or Mental Health Subscribt

Access to Loka Labs

Defined career path

Your achievements matter to us!

Job summary

Loka Inc is seeking a Machine Learning Engineer to join our fully remote, globally distributed ML crew. You will build and improve machine learning solutions across multiple Gen AI projects for clients in life sciences and beyond, deploying scalable pipelines and agentic workflows.

You’ll collaborate with Data Eng, Dev Ops and Backend teams, owning tasks from inception to production while documenting progress and outcomes. Excellent English required for a global team.

Qualifications

• Bachelor's degree in Computer Science or a related field.
• 2+ years AI/ML engineering experience.
• Hands-on Gen AI experience: prompt engineering, fine-tuning and serving LLMs.
• Experience with embeddings, search and vector databases.
• Proficiency in Python and ML libraries (scikit-learn, PyTorch, Hugging Face, TensorFlow, Transformers).
• Knowledge of cloud ML services, preferably AWS (Bedrock, SageMaker).
• Familiarity with containers and orchestration.
• Strong collaboration and willingness to learn in a distributed remote team.

Responsibilities

• Own assigned tasks and projects with accountability.
• Communicate deliverables clearly with clients.
• Understand business objectives and build measurable solutions.
• Collaborate cross-functionally with Data Eng, DevOps, Backend.
• Build and maintain generative AI components: LLM features and agentic workflows.
• Build information retrieval pipelines: ingestion, chunking, embeddings, vector search.
• Contribute to evaluation frameworks and production monitoring.
• Wrangle, explore and visualize data with data cleaning.
• Deploy and maintain ML models and pipelines; analyze errors and improve them.
• Write and maintain technical documentation.

Skills

AI/ML engineering

Gen AI solutions

Prompt engineering

Fine-tuning LLMs

LLMs and embeddings

Python

ML libraries

AWS cloud ML services

Lang Chain/Lang Graph

Llama Index

scikit-learn

PyTorch

TensorFlow

Transformers

Containerization

Orchestration

MLFlow

Lang Fuse

smolagents

strands-agents

Education

Bachelor's degree in Computer Science or related field

Tools

scikit-learn

PyTorch

Hugging Face

TensorFlow

Transformers

Llama Index

Lang Chain/Lang Graph

MLFlow

Lang Fuse

Bedrock

SageMaker

Job description

Loka Inc is seeking a Machine Learning Engineer to join our fully remote, globally distributed ML crew. You will build and improve machine learning solutions across multiple Gen AI projects for clients in life sciences and beyond, deploying scalable pipelines and agentic workflows.

You’ll collaborate with Data Eng, Dev Ops and Backend teams, owning tasks from inception to production while documenting progress and outcomes. Excellent English required for a global team.