826,151open jobs
53,202companies
135,845added this week
Browse all
Salary
≈ $59k – $136k per year (Estimated)
Location
Hybrid (Barcelona, Spain)
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 26, 2026. First seen by Alion on Sep 10, 2025.

Overview
Company
Impact
Profile match
We are on a mission to make human-machine interactions safer in the most critical scenarios and at scale. Our core values At Alinia, we are all driven by a passion to make people’s lives better. We approach challenges with a growth mindset and strive to amplify others.

Alinia’s Mission

At Alinia, we enable the safe deployment of (generative) AI business-critical operations in industries that rely on policy and value alignment and trust. We make safe LLM deployment more accessible and effective for companies of all sizes.

Your part (why does this role exist?)

Developing a robust and holistic alignment strategy and platform that combines state-of-the-art evaluation and optimization techniques, Responsible AI best practices and the realities of running a business is a complex task with applied research at the center.

As an Applied Researcher at Alinia, you will research, develop, and improve methods for the automated evaluation and postraining of Large Language Models (LLMs) as guardrails. This will shape the art of the possible for our customers and their clients.

Role Overview and Role Responsibilities

At Alinia, our Applied Research Scientists play a pivotal role in creating the AI intellectual property and technologies that drive the development of Alinia's Alignment Platform. This role demands a profound understanding of LLMs, their evaluation, and effective alignment with a given set of values and policies. Applied Research Scientists are action-oriented and hands-on, tasked with developing practical AI tools that solve the main challenges our customers encounter with the safe and responsible deployment of LLM applications and that can be seamlessly integrated into our Platform. This role is designed for those ready to apply their expertise actively and decisively within a dynamic development environment.

Responsibilities

  • Innovate and refine evaluation methods that assess LLMs along multiple alignment dimensions.
  • Create robust techniques for synthetic data augmentation to enhance the assessment of LLMs.
  • Develop streamlined approaches for aligning LLMs through supervised fine-tuning and preference optimization.
  • Document research projects, progress, and experimentation results and share findings with the broader team.
  • Work closely with the product development team to transform research insights into actionable AI solutions and strategies for the Alinia Platform.
  • Keep up-to-date with the latest trends and developments in LLM evaluation, alignment, optimization, and related technologies.

Skills and Qualifications

Minimum Qualifications

  • MSc in Computer Science, AI, Linguistics, or a related field.
  • Proven experience in LLMs, ML, or NLP.
  • Demonstrated research capability with publications in reputable AI, ethics, or machine learning conferences and journals.
  • Strong programming skills in Python.
  • Experience with ML frameworks such as TensorFlow, PyTorch, or JAX.
  • Demonstrated knowledge and practical experience in LLM training (Please note: this is a strict requirement for the position).

Preferred Qualifications

  • PhD in Computer Science, AI, Linguistics, or a related field.
  • Contributions to open-source projects or public datasets in the field of AI.
  • First-author publications at peer-reviewed AI conferences.
  • Experience with synthetic data generation, LLM as a judge frameworks, LLM post-training.

Why Join Alinia?

  • Cutting-edge tech: Work on one of the most important challenges in AI-alignment, safety, and trust
  • High ownership & growth: Be a core part of the early engineering team with massive upside
  • Flexible work: Hybrid or remote work, with preference for CET time zone
  • Collaborative culture: Small, experienced, mission-driven team
  • Impact: Directly shape the technical foundation of an AI governance platform adopted by enterprises
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
826,151 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

AI/ML
Similar stack
Same company
Barcelona
≈ $57k – $143k per year (Estimated) • Hybrid • Full-Time • Bachelor's Degree • Barcelona
Python
Databases
Snowflake
DuckDB
AI/ML
Dagster
Embeddings
NLP
AWS Bedrock
LLM
Amazon SageMaker
Knowledge Graph
DevOps
Terraform
AWS CDK
CI/CD
AWS
Docker
Amazon S3
Apply
≈ $59k – $148k per year (Estimated) • Remote (Spain) • Full-Time • 5+ years exp
Python
JavaScript
TypeScript
Node JS
Node JS
Nest.JS
Databases
MySQL
PostgreSQL
AI/ML
LangGraph
LangChain
Model Context Protocol
AI Agents
AWS Bedrock
Gemini
LLM
RAG
Human-in-the-Loop
Context Engineering
LLM Guardrails
Mastra
Frontend
Svelte
React.js
DevOps
Vercel
Datadog
AWS
Kubernetes
Cybersecurity
GDPR
Apply
≈ $85k – $212k per year (Estimated) • In office • Full-Time • 5+ years exp • Bachelor's Degree • Singapore
Python
Java
C++
Databases
Apache Iceberg
OpenSearch
AI/ML
Hadoop
Spark
AWS Bedrock
LLM
RAG
Amazon SageMaker
Machine Learning
DevOps
Rest API
Terraform
Ansible
OpenShift
GitHub Actions
CloudFormation
GitLab CI
CI/CD
ArgoCD
Jenkins
Git
AWS
Kubernetes
Amazon EKS
Amazon EC2
Incident Management
Amazon S3
IAM
Amazon CloudWatch
Linux
Unix
Management
Agile
Apply
≈ $97k – $251k per year (Estimated) • In office • Full-Time • 10+ years exp • Bachelor's Degree • Singapore
Python
JavaScript
Java
TypeScript
Node JS
AI/ML
LangGraph
LangChain
Model Context Protocol
AI Agents
RAG
DevOps
GCP
Azure
CI/CD
AWS
Platform Engineering
Apply
$32k – $45k per year • Remote (Japan) • Full-Time
C++
AI/ML
AWS Bedrock
DevOps
Azure
AWS
Management
Slack
Apply
$39k – $91k per year • In office • South Korea
Python
SQL
Databases
Snowflake
Databricks
AI/ML
PyTorch
DevOps
Terraform
AWS
GitHub
Management
Slack
Apply
≈ $24k – $59k per year (Estimated) • In office • São Paulo
Python
SQL
Analytics
Power BI
Looker
Management
Google Sheets
Apply
≈ $46k – $110k per year (Estimated) • Hybrid • Full-Time • 7+ years exp • Chiyoda
Python
TypeScript
Python
FastAPI
AI/ML
AI Agents
LLM
RAG
Semantic Search
LLMOps
Semantic Search
Recommender Systems
Machine Learning
DevOps
GCP
Azure
CI/CD
AWS
Apply
$117k – $177k per year • In office • Full-Time • 2+ years exp • Bachelor's Degree • Washington
Python
Java
AI/ML
Copilot
Cursor
Claude Code
Prompt Engineering
AI Agents
LLM
OpenAI Codex
Agentforce
DevOps
Rest API
gRPC
Terraform
Helm
AWS
Docker
Kubernetes
IAM
Cybersecurity
HashiCorp Vault
Open Policy Agent
OWASP Top 10
SOC 2
Least Privilege
Cryptography
Vault
Apply
$82k – $141k per year • In office • Full-Time • 4+ years exp • High School Diploma • La Jolla
Python
Java
SQL
C#
C++
Java
Hibernate
C#
.NET
Entity Framework Core
Databases
PostgreSQL
DevOps
Azure
AWS
Management
Agile
Apply
≈ $48k – $128k per year (Estimated) • Hybrid • Full-Time • 4+ years exp • Barcelona
Python
Python
FastAPI
AI/ML
Weights & Biases
MLFlow
TensorFlow
PyTorch
RAG
LLM Guardrails
EU AI Act
ISO 42001
Machine Learning
DevOps
Rest API
gRPC
GCP
Azure
CI/CD
AWS
Docker
Kubernetes
Cybersecurity
SOC 2
Apply
≈ $23k – $45k per year (Estimated) • Hybrid • Internship • Master's Degree • Spain
Python
AI/ML
Quantization
JAX
AI Agents
NLP
TensorFlow
PyTorch
LLM
Explainable AI
Synthetic Data
Hugging Face
Post-training
LLM Guardrails
Machine Learning
Apply
≈ $23k – $47k per year (Estimated) • Hybrid • Internship • Master's Degree • Spain
AI/ML
AI Agents
LLM
Hugging Face
LLM Guardrails
Edge AI
Apply
Back-End Engineer 1 year ago
≈ $41k – $109k per year (Estimated) • Hybrid • Full-Time • 3+ years exp • Barcelona
Python
Python
FastAPI
Databases
PostgreSQL
AI/ML
LLM
DevOps
Terraform
GCP
Pulumi
Azure
CI/CD
AWS
Docker
Kubernetes
Cybersecurity
ISO 27001
SOC 2
Apply
≈ $23k – $40k per year (Estimated) • In office • Barcelona
Apply
≈ $34k – $91k per year (Estimated) • In office • Full-Time • Bachelor's Degree • Barcelona
Apply
≈ $35k – $100k per year (Estimated) • In office • Full-Time • Barcelona
Python
SQL
Scala
Databases
Amazon Redshift
AI/ML
Hadoop
Spark
AI Agents
DevOps
AWS
Self-Healing
AWS Lambda
SLI/SLO/SLA
Amazon S3
IAM
Amazon Kinesis
Analytics
ETL/ELT
AWS Glue
Apply
≈ $23k – $51k per year (Estimated) • Hybrid • 1+ year exp • Master's Degree • Barcelona
Python
SQL
Analytics
A/B Testing
Microsoft Excel
Marketing
LinkedIn
Apply
In office • Internship • Master's Degree • Barcelona
Python
SQL
Databases
Amazon Redshift
AI/ML
Jupyter Notebook
Machine Learning
DevOps
AWS
Amazon EC2
Amazon S3
Linux
Analytics
Tableau
Power BI
Apply
See all jobs
This is one of many
826,151 more open roles from verified company boards, updated every day.