Lead Data Engineer / Consultant - Python & SQL
Posted 1 week ago by 1749197982
£490 Per day
Inside
Hybrid
London
Summary: The Lead Data Engineer/Consultant role focuses on leveraging Python and SQL expertise to enhance data processes within a leading UK telecommunications company. The position requires hands-on experience in data engineering and consultancy, with a strong emphasis on innovation and process improvement. The successful candidate will work in a hybrid model, spending two days a week in the Paddington office, and will be responsible for developing and optimizing data pipelines and methodologies. This is a 12-month contract role classified as inside IR35.
Key Responsibilities:
- Enhancing Location Inference Models by developing and refining algorithms for user location accuracy.
- Designing and validating concepts for visualizing population density using mobile network data.
- Building and optimizing data pipelines for efficiency and scalability.
- Driving methodological advancements in data processing and modeling practices.
- Ensuring outputs align with business needs and provide actionable insights.
- Responding to technical challenges to maintain data integrity and consistency.
Key Skills:
- Strong Lead Data Engineering / Data Consultant experience with hands-on capabilities.
- Extensive experience in SQL and Python.
- Experience with platforms/frameworks such as PySpark and DataBricks.
- Knowledge of IaC tools such as Terraform.
- Ability to demonstrate value added through innovation or process improvement.
- Strong experience in writing, deploying, and optimizing code.
- Experience with Microsoft Azure and large-scale data processing.
- Proficiency with Git for version control.
- Strong statistical and mathematical background.
- Ability to work with geospatial data and spatial analysis techniques.
Salary (Rate): £490 daily
City: London
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: inside IR35
Seniority Level: undetermined
Industry: IT
Job Title: Lead Data Engineer/Consultant - Python / SQL - London (Hybrid)
Location: Paddington (2 x day per week in London)
Salary/Rate: Up to £490 a day inside IR35
Start Date: June 2025
Job Type: 12 Month Contract (Inside IR35)
Company Introduction
Our client is an industry-leading UK telecommunications company who are currently recruiting for a highly skilled Lead Data Engineer / Data Consultant with Python & SQL for a 12-month contract.
The successful candidate must be able to demonstrate where they have added value to a team through innovation or process improvements
Strong Data Consultancy experience is also required for this role.
Working two days per week in the London, Paddington office.
Required Skills/Experience
- Strong Lead Data Engineering / Data Consultant experience - Must also have hands-on experience, rather than just mentoring/leading a team
- Extensive experience in SQL Python
- Experience of platforms/frameworks such as PySpark and DataBricks
- IaC tools such as terraform
- Looking for candidates to provide examples of where they have added value to a team through innovation or process improvement
- Strong experience in writing, deploying, and optimising code (Python, SQL).
- Extensive experience creating and implementing methodologies/algorithms in an automated workflow.
- Experience with Microsoft Azure
- Deep understanding of databases and ability to write efficient analytical queries.
- Hands-on experience in developing, testing, and deploying complex data models and methodologies.
- Proficiency with Git for version control and collaboration.
- Strong statistical and mathematical background with an ability to apply advanced analytics to real-world data challenges.
- Experience with large-scale data processing
- Ability to work with geospatial data and spatial analysis techniques.
Desirable Skills/Experience
- GIS experience and proficiency with geospatial libraries (e.g., GeoPandas, QGIS, PostGIS).
- Familiarity with Databricks and distributed computing frameworks (e.g. Spark).
- Exposure to CI/CD pipelines and workflow automation.
- Experience with data visualisation tools such as Tableau, Power BI, or equivalent.
- Knowledge of deploying machine learning models into production environments.
Key Accountabilities and deliverables:
- Enhancing Location Inference Models: Develop and refine algorithms that improve the accuracy and precision of inferred user locations using MND data.
- Localised Population Density Insights: Design, prototype, and validate a concept for understanding and visualising population density at a granular level using mobile network data.
- Data Pipeline Development & Optimisation: Work with engineers to build and optimise data pipelines, ensuring efficiency and scalability.
- Continuous Improvement: Drive methodological advancements and improvements in data processing and modelling practices.
- Customer-Centric Approach: Ensure outputs align with business needs, providing actionable insights to customers and stakeholders.
- Technical Support & Issue Resolution: Respond to technical challenges efficiently, ensuring data integrity and consistency.
If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.
Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.