Job Title: Senior SQL Data Engineer
Location: Sutton (2 days in the office - Tuesdays and Thursday)
Salary/Rate: £400-450 per day inside IR35
Start Date: September
Job Type: Initial 12 month contract
Company Introduction
We have an exciting opportunity now available with one of our Data Analytics clients in Sutton.
They are currently looking for a skilled Senior SQL Data Engineer with experience managing a Snowflake estate to join their team in Sutton on a hybrid basis.
Key experience required for this role includes: Snowflake, Python Programming, CI/CD Pipelines, Github Actions, & ETL. CoPilot is used for code reviews and develpment. AI experience in this space is very beneficial.
Job Responsibilities/Objectives
This role involves leading complex research, design, and software development activities within a defined functional area. It contributes directly to project plans, schedules, and development methodologies for cross-functional software products.
The role includes designing software solutions-often spanning multiple systems-mentoring more junior team members, and collaborating with users and customers to translate requirements into effective technical solutions.
- Design, develop and maintain complex data engineering solutions and software components.
- Build, optimise and maintain ETL and data synchronisation pipelines.
- Develop scalable Python applications and advanced SQL solutions.
- Design and evolve data models, including both normalised and dimensional models.
- Support and enhance the existing Data Lakehouse platform.
- Work collaboratively within Agile teams to translate business requirements into technical solutions.
- Troubleshoot and resolve complex production issues.
- Participate in code reviews and follow secure development best practices.
- Mentor junior engineers and provide technical leadership.
- Contribute to architectural decisions and technical design.
Required Skills/Experience
The ideal candidate will have the following:
- Strong SQL with query optimisation and performance tuning.
- Strong Python development experience.
- Extensive ETL and data pipeline development experience.
- Experience working with Snowflake or a similar cloud data warehouse.
- Strong understanding of:
- o Normalised data models
- o Dimensional modelling
- Experience with multiple database technologies, including SQL and NoSQL.
- Experience with DevOps practices.
- Hands‑on experience using GitHub Actions for CI/CD.
- Excellent written and verbal communication skills.
- AI-assisted development tools such as GitHub Copilot or similar.
Desirable
- AWS services including:
- o S3
- o Lambda
- o SQS
- o SNS
- o IAM
- Terraform
- Linux
- .NET
- Experience supporting modern Data Lakehouse platforms.
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 embraces diversity and will treat everyone equally.
Please see our website for our full diversity statement.
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