Location
Hybrid (Sofia, Bulgaria)
Seniority
Junior · 1+ year exp
Employment
Full-Time
Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Oct 15, 2026.
Overview
Company
Impact
Profile match
We consult more than 75 of the world’s top 100 brands, helping them deliver Effective and Responsible Advertising.
You will join our Data Science team and help turn client data into reliable models and reusable analytics tooling. This is a hands-on modelling and engineering role: you will spend your time on data, code, and statistical methods.
Key Responsibilities
- Prepare, clean, and quality-check datasets using SQL and Python or R
- Build and validate statistical models, including regression, machine learning, and forecasting
- Apply sound statistical thinking, including a working understanding of Bayesian ideas (priors, uncertainty, posterior interpretation)
- Automate recurring analysis so the team can reuse pipelines, functions, and tools
- Use Git to work with the team’s codebase
- Document methods and results clearly so others can review, rerun, and present the work
Skills, Knowledge and Expertise
- 1-2 years in an Analytics or Data Science team
- Degree in Computer Science, Data Science, Statistics, Mathematics, Economics, or a related quantitative field
- Strong coding in Python or R (both is a plus)
- SQL
- Solid statistics: regression, machine learning fundamentals, and model validation
- Working understanding of Bayesian methodologies
- Comfortable with Git
- Fluent English, written and spoken
- Intellectually curious, organised, and able to work independently on well-scoped problems
Nice to have
- Hands-on Bayesian tooling (Stan, PyMC, brms, or similar)
- Cloud familiarity (AWS, Azure, or GCP)
- Experience in media, marketing, or marketing-effectiveness work
- Time series, causal inference, or test design
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.
1,788,870 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.
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
Data Science
Similar stack
Same company
Sofia
Data Architect – Tieto Tech Consulting (m/f/d)
12 hours ago
≈ $38k – $92k per year (Estimated) • Hybrid • Full-Time • 4+ years exp • Sofia
Python
SQL
Python
pySpark
Databases
Databricks
Delta Lake
Azure SQL Database
AI/ML
Spark
DevOps
Azure DevOps
Azure
CI/CD
Git
Analytics
Power BI
ETL/ELT
Azure Data Factory
Dimensional Modeling
Management
Agile
Apply
Data Architect – Tieto Tech Consulting (m/f/d)
12 hours ago
≈ $43k – $102k per year (Estimated) • Hybrid • Full-Time • 4+ years exp • Varna
Python
SQL
Python
pySpark
Databases
Databricks
Delta Lake
Azure SQL Database
AI/ML
Spark
DevOps
Azure DevOps
Azure
CI/CD
Git
Analytics
Power BI
ETL/ELT
Azure Data Factory
Dimensional Modeling
Management
Agile
Apply
Senior Data Engineer (LatAm Only)
1 day ago
In office • Contractor
Python
SQL
Databases
Snowflake
Google BigQuery
Amazon Redshift
BigQuery
AI/ML
Dagster
dbt
Machine Learning
DevOps
AWS
Analytics
Fivetran
Apply
$80k – $94k per year • In office • Internship • Master's Degree • Menlo Park
Databases
Snowflake
AI/ML
AI Agents
Apply
Data analyst/Data Engineer
1 hour ago
≈ $96k – $208k per year (Estimated) • In office • Contractor • Auburn Hills
Python
SQL
Python
pySpark
Databases
Snowflake
Databricks
Microsoft Fabric
AI/ML
Spark
Machine Learning
DevOps
Azure
AWS
Analytics
Power BI
Management
Power Automate
Apply
≈ $64k – $114k per year (Estimated) • In office • Full-Time • Berlin
Python
SQL
AI/ML
Machine Learning
Apply
≈ $41k – $111k per year (Estimated) • In office • Internship • Berlin
Python
Java
SQL
AI/ML
Machine Learning
Analytics
Power BI
Apply
≈ $59k – $117k per year (Estimated) • Hybrid • Full-Time • Bachelor's Degree • Mannheim
Python
SQL
Databases
Microsoft Fabric
AI/ML
Copilot
Machine Learning
DevOps
Azure
GitHub
Analytics
Power BI
Management
Power Automate
Apply
Senior Data Scientist
1 day ago
≈ $57k – $94k per year (Estimated) • Hybrid • Warsaw
JavaScript
Java
TypeScript
SQL
Java
Hibernate
Databases
Neo4j
Apache Kafka
AI/ML
SHAP
NLP
LLM
Machine Learning
Frontend
Angular
DevOps
Azure
QA
Jest
Apply
Data Quality Engineer в платформу данных
1 day ago
≈ $18k – $42k per year (Estimated) • Remote (likely EAEU) • Moscow
Python
SQL
Databases
ClickHouse
Apache Kafka
StarRocks
AI/ML
Spark
dbt
Great Expectations
Anomaly Detection
DevOps
CI/CD
Kubernetes
SLI/SLO/SLA
Amazon S3
Apply
Data Scientist
2 days ago
Remote (Spain) • Full-Time • 1+ year exp • Bachelor's Degree
Python
SQL
AI/ML
Time Series Forecasting
Machine Learning
DevOps
GCP
Azure
Git
AWS
Apply
Data Platform Engineer
4 days ago
≈ $47k – $94k per year (Estimated) • Hybrid • Full-Time • Netherlands
Analytics
ETL/ELT
Management
Agile
Apply
Associate Director - Digital Media Insights
2 days ago
≈ $155k – $280k per year (Estimated) • Remote (United States) • Full-Time • 8+ years exp
Analytics
Tableau
Power BI
Management
Microsoft Office
Apply
Apply
Director Insights - TV & Streaming
4 days ago
$135k – $150k per year • Remote (United States) • Full-Time • 10+ years exp
Apply
≈ $25k – $65k per year (Estimated) • Hybrid • Sofia
Python
AI/ML
Spark
Pandas
DevOps
Terraform
CI/CD
AWS
Docker
Kubernetes
GitHub
Apply
Data Engineer – AI Tools & Platforms
1 day ago
≈ $25k – $64k per year (Estimated) • Hybrid • Sofia
Python
AI/ML
Spark
Machine Learning
DevOps
Terraform
GitHub Actions
CI/CD
Jenkins
AWS
Docker
Kubernetes
Platform Engineering
Apply
IT Business Analyst Intern
10 hours ago
≈ $19k – $51k per year (Estimated) • In office • Internship • Bachelor's Degree • Sofia
Analytics
Microsoft Excel
Management
Microsoft Office
Apply
Remote (EU, UTC+2 hours) • Contractor • Sofia • Bucharest • Kraków • Brno • Budapest
DevOps
Azure DevOps
Azure
Marketing
Zendesk
LinkedIn
Instagram
Apply
Senior Java Developer
10 hours ago
≈ $45k – $84k per year (Estimated) • Remote (Bulgaria) • Full-Time • Sofia
JavaScript
Java
Java
Hibernate
Databases
MySQL
PostgreSQL
AI/ML
Copilot
Cursor
Claude
Claude Code
Model Context Protocol
Function Calling
AI Agents
AWS Bedrock
RAG
LLM Guardrails
Tool Use
Mobile
JUnit
DevOps
Terraform
Ansible
AWS
GitHub
Linux
Cybersecurity
PCI DSS
Cryptography
OpenSSL
Management
Confluence
Jira
Apply
This is one of many
1,788,870 more open roles from verified company boards, updated every day.

