Senior BI Developer: SQL, ETL, DAX & Power BI

Comtecs Ltd; Greater London; Hybrid; GBP 80,000 - 90,000; Full time

Benefits offered by this job

Bonus

Benefits

Job summary

Comtecs Ltd. is seeking a Business Intelligence Developer in London hybrid mode to drive SQL engineering, ETL, and BI reporting across an Enterprise Data Platform. You will work with Azure Data Factory, Power BI, and DAX to translate business needs into robust data solutions.

The role emphasizes stakeholder liaison, data warehousing best practices, and scalable reporting capabilities, with a focus on delivering reliable insights for a global practice in a highly regulated environment.

Qualifications

• Expert SQL skills including stored procedures, functions, XML and JSON data types.
• Strong ETL design and data integration capabilities.
• Proven Power BI report and dashboard development experience.

Responsibilities

• Develop and maintain SQL, data warehouse structures and ETL processes using Azure Data Factory.
• Design and develop Power BI reports, dashboards and semantic models using DAX.
• Work with stakeholders to gather, define and mature BI requirements.
• Translate business needs into practical BI solutions and reporting capabilities.
• Support integrations using Azure Data Factory, including REST API and OData connections.
• Troubleshoot complex issues and identify opportunities for improvement.

Skills

SQL

ETL

Power BI

DAX

Azure Data Factory

Data Warehousing

Reporting & Dashboards

Tools

Tabular Editor

DAX Studio

ALM Toolkit

Job description

Comtecs Ltd. is seeking a Business Intelligence Developer in London hybrid mode to drive SQL engineering, ETL, and BI reporting across an Enterprise Data Platform. You will work with Azure Data Factory, Power BI, and DAX to translate business needs into robust data solutions.

The role emphasizes stakeholder liaison, data warehousing best practices, and scalable reporting capabilities, with a focus on delivering reliable insights for a global practice in a highly regulated environment.