Middle/Senior Data Engineer

In partnership with one of the global consulting enterprises, on a large-scale digital program for a UK Telecommunication industry client, we are seeking a Middle/Senior  Data Engineer.
Responsibilities:
- Work closely with product and analytics teams to identify and solve problems through experimentation

- Calculate and communicate baseline conversion rates, sample sizes, MDE, confidence levels and statistical power to product teams

- Monitor and validate data quality in running experiments

- Analyse performance of experiments, visualise findings in a clear, digestible form and communicate them to product teams and wider stakeholder groups

- Conduct deep dive analyses of results to further understand performance and suggest future iterations

- Work with the platforms team to improve the capability of the experimentation platform
 

Skills & Tools for Mid level:

Proficient in SQL and Excel. 
Familiarity with Optimizely, Piano Analytics, and Tag Inspector. 
Exposure to Python or R for basic statistical analysis. 
Basic understanding of experimental design and statistical concepts. 
Typical Experience 1–2 years in a data or analytics role. 
Works under general direction, escalating complex issues.

Skills & Tools for Advanced:

SQL and experience with large datasets. 
Proficient in Python or R for statistical modeling. 
Strong understanding of frequentist statistics and experimental design. Skilled in using Optimizely, Tableau, and data dictionaries like Alation. Typical Experience 3–5 years in experimentation or analytics roles. 
Works with minimal supervision and influences product decisions.

Location: remote from Latvia/Lithuania or relocation there