Senior Data Engineer

London/Copenhagen | Hybrid | AdTech / SaaS

A fast-growing international AdTech business is looking for a Senior Data Engineer to join its London/Copenhagen engineering team, taking ownership of critical data integrations that sit at the heart of its advertising measurement platform.

This is a senior, hands-on engineering position combining data engineering, software engineering and architecture. You will work on integrations with some of the world’s largest technology and advertising platforms, while helping bring previously external engineering capabilities in-house.

The role

• Own the design, development and maintenance of large-scale data integrations with external partner APIs and internal systems

• Lead the refactoring of a critical production system, working closely with Data Science to implement new methodologies and improve scalability and reliability

• Design and operate robust, fault-tolerant data systems and infrastructure within AWS

• Build and improve CI/CD pipelines, infrastructure as code, monitoring and automation across the platform

• Work closely with Product, Data Science and Engineering teams, while providing technical guidance and mentorship to less experienced engineers

You

• 5+ years of experience across Data Engineering or Software Engineering, ideally within complex production environments

• Strong production-level programming experience with Python, Scala or a similar language, alongside excellent SQL skills

• Hands-on experience building and maintaining AWS environments and high-availability production systems

• Experience with modern data technologies such as Spark, Hadoop, EMR, Delta Lake, Flink or similar large-scale processing frameworks

• Strong understanding of DevOps practices including CI/CD, infrastructure as code and application monitoring, with experience of AWS cost and performance optimisation highly beneficial

This is an opportunity to take genuine ownership of a critical part of a global data platform, combining hands-on engineering with architecture and technical leadership. You will work closely with major advertising and technology partners including Google, Amazon and Meta, within an environment that values autonomy, pragmatic engineering and technical excellence.

Apply Now

You can apply for this role now by sending your CV

Vanessa Wolf
Recruitment Consultant – Product and Tech UK and Europe
Sphere Digital Recruitment

Sphere Digital Recruitment currently have a variety of job opportunities across digital, so feel free to get in touch to find out how we can help you. Please visit www.spheredigitalrecruitment.com for more information.

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We encourage applications regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status or pregnancy and maternity.

If you require any reasonable adjustments throughout the recruitment process, please let us know.

Sphere Digital Recruitment currently have a variety of job opportunities across digital so feel free to get in touch with us to find out how we can help you. Please take a look at our website.

Sphere is an equal opportunities employer. We encourage applications regardless of ethnic origin, race, religious beliefs, age, disability, gender or sexual orientation, and any other protected status as required by applicable law.

If you require any adjustments or additional support during the recruitment process for any reason whatsoever, please let us know.