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# Lead Data Engineer

- **Company:** Hackajob Ltd
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Web Services, Software Applications, Unit Testing, Microsoft Azure, Data as a Services, Extract Transform Load (ETL), Persistent Data Structure, Data Warehousing, Distributed Data Store, Python (Programming Language), Operational Data Store, Open Source Technology, Software Engineering, SQL Databases, Data Processing, Google Cloud, Integration Frameworks, Data Pipelines, Databricks
- **Published:** November 7, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/lead-data-engineer/55316492

## About the Role

Experience of leading a team of engineers in the implementation of data-intensive system components
Experience of applying standards for design (patterns), development, (style guides) and operational readiness (automation, deployment)
Proficient software development experience in one of Java, Scala, or Python
Strong commercial experience of working with Palantir
Software development experience with data-processing platforms from vendors such as AWS, Azure, GCP, Databricks.
Expert in SQL or SQL extensions for analytical use case
Expert understanding of distributed data stores and data processing frameworks
Ability to simply and clearly communicate technical design both written and verbally
Proficient in designing analytical and operational data models

Desirable:
Comfortable with Data Warehouse methods and techniques
Actively shares their thoughts and views on data practices
AWS/Azure/GCP Certified in Data Services
Expertise in continuous improvement and sharing input on data best practice
Participation in development and/or technology communities

Who you are:
Our vision is to enable outstanding people to create digital solutions that have a positive impact on people's lives. Our values aren't abstract; they are the behaviours we expect from each other every day, and underpin everything that we do. We expect everyone to display our values by being

determined

in how obstacles are overcome;

honest

when dealing with others;

respectful

of how you treat others;

creative

to find solutions to complex problems and

cooperative

## Description

As a Lead Data Engineer (Consultant) at our client you will be responsible for designing and developing data processing and data persistence software components for solutions which handle data at scale. Working in agile teams, Lead Data Engineers provide strong development leadership for team members and take responsibility for the quality of the codebase as well as the match to user needs.

Your responsibilities will include:
Taking responsibility for the development of whole components or subsystems within a team. Development incorporates design, code, test and defect resolution.
Focusing on hands-on design and development, using open source and commercial platforms.
Defining and enforcing development best practice and coaching team members to ensure consistency.
Working with project architects, taking responsibility for non-functional needs of ETL/ELT data processing pipelines such as robustness and performance.
Taking responsibility for standards and execution of unit and integration testing done within the team.
Taking responsibility for software product due diligence and integration.
Leading troubleshooting and tuning of activities.
Working with Operations teams to ensure the application software is operationally ready.
Working with Security Architects and accreditors to ensure compliance with relevant legal and security requirements
Advising customers and managers and other team members of the estimated effort and technical implications of user stories and user journeys.
Contributing to technical proposals as part of the sales process.
Managing, coaching and developing a small number of staff, with a focus on managing employee performance and assisting in their career development. You'll also provide direction for your team as you solve problems together