Overview
Junior Data Engineer (Frieze) Jobs in London, England, United Kingdom at MARI
Title: Junior Data Engineer (Frieze)
Company: MARI
Location: London, England, United Kingdom
Job Description
About MARI Group
MARI is a global events and experiences company powering world-defining live experiences. Our portfolio of premium live properties spans sports, art, and entertainment — including the Madrid and Miami Open tennis tournaments, Frieze (a leading voice in contemporary art), and Barrett-Jackson (the premium U.S. collector car auction company). MARI also includes TodayTix Group, the global e-commerce leader for cultural experiences, connecting millions of customers with the best in live entertainment.
MARI is reshaping the live events landscape — building a growing portfolio of category-defining events and brands that set the standard for what's next, across sports, entertainment, art, and lifestyle.
At MARI, you'll work alongside people who are passionate, curious, and driven — people who believe that live experiences have the power to shape culture, and who care about the work, the mission, and each other. We welcome outstanding applicants of all backgrounds and encourage everyone to apply.
About the Role
The Frieze Data team plays a central role in powering insight, operations, and decision-making across a dynamic and globally recognised art business. As a Junior Data Engineer, you’ll join a collaborative and evolving team responsible for building, maintaining, and enhancing a sophisticated data ecosystem that supports a wide range of stakeholders and data sources.
This is an exciting opportunity to contribute to a fast-moving environment where curiosity, technical capability, and a hands-on mindset are highly valued. You’ll work closely with experienced data professionals to develop and optimise data pipelines, improve data quality, and help create scalable, reliable solutions that enable seamless access to enriched and well-structured data.
Frieze operates within a unique and complex landscape, with diverse data inputs spanning the art world and beyond. This role offers exposure to that complexity, alongside the chance to grow your technical skills while taking ownership of meaningful projects. While you’ll collaborate with stakeholders across the business, your primary focus will be on strengthening the foundations of our data infrastructure and contributing to a team culture that prioritises problem-solving, innovation, and continuous improvement.
We’re looking for someone who is detail-oriented, proactive, and eager to learn – someone who isn’t afraid to roll up their sleeves and contribute to a space where processes are continuously evolving and the impact of your work is visible.
This is a full-time role, and candidates must be able to work flexibly at our London office. You’ll be part of a hybrid team that values both collaboration and flexibility.
Salary
Salary is determined by market data, experience, location, and internal banding. Ranges will be discussed transparently during the interview process.
What Success Looks Like:
- You contribute to the reliability and performance of our data pipelines by proactively monitoring, troubleshooting, and resolving issues, ensuring data is consistently available for business-critical use.
- You take ownership of improving existing processes. This means identifying inefficiencies, optimising performance, and helping reduce processing times across pipelines and scripts.
- You support the evolution of Frieze’s data ecosystem by helping design and deliver scalable data solutions that make complex datasets easier to ingest, transform, and use.
- You demonstrate curiosity and initiative by learning quickly, asking the right questions, and actively contributing to team problem-solving in a fast-evolving environment.
- You collaborate effectively within the data team and, where needed, with stakeholders to deliver solutions that are robust, maintainable, and aligned with business needs.
What You'll Own
- Supporting and maintaining Python-based ETL processes, including monitoring scheduled jobs, identifying failures, and resolving data flow issues efficiently.
- Assisting in the development and optimisation of data pipelines, with a focus on performance, scalability, and reliability.
- Helping transform manual or repetitive processes into automated workflows to improve data integrity and reduce operational overhead.
- Working with a variety of data formats (e.g. CSV, JSON, XML, XLSX) across ingestion, transformation, and downstream use cases.
- Contributing to pipeline maintenance, issue resolution, and ongoing improvements to ensure stable and high-quality data delivery.
- Supporting integration with APIs and other external data sources as part of ETL workflows.
What You Bring
Core requirements:
- Proficiency in Python as a core language for data processing and pipeline development
- Understanding of relational databases and data warehousing concepts
- Knowledge of SQL for querying and manipulating data
- Familiarity with APIs and ETL concepts, including how data is ingested, transformed, and loaded across systems
- An analytical mindset with the ability to troubleshoot issues, optimise performance, and improve existing processes
Additional experience:
- Awareness of non-relational databases and NoSQL architectures
- Experience working with multiple data formats such as JSON, XML, CSV, and Excel files
- Exposure to monitoring and maintaining production data pipelines or scripts
- Familiarity with data visualisation and reporting tools such as Power BI
- Experience with tools like Google Analytics or Google Tag Manager
Nice to have:
- Experience collaborating with stakeholders or supporting business-facing data needs
- An understanding of how data engineering supports reporting and analytics workflows
- Exposure to managing or integrating third-party data tools or platforms.
Benefits
Here are some of the Benefits and Perks offered at MARI Group:
- Hybrid work environment (blend of in-office and at-home days)
- Pension match and access to a bespoke pension scheme
- Paid Parental Leave
- Employee Assistance Programme
- Enhanced gyms, wellness and financial wellbeing apps access via Wellhub
- Flexible Paid Time Off
MARI believes in the power of live experiences to unite people — and we know that can only be achieved when we reflect the full diversity of the world around us. As a global company that shapes culture across sports, art, and entertainment, we are committed to fostering an inclusive workplace and to practicing anti-discrimination across race, gender identity, sexual orientation, disability, and beyond. We recognise that systemic inequality and discrimination remain challenges across the events and entertainment industry, and we are dedicated to driving meaningful progress — both within our own organisation and across the wider industry we are proud to be part of.
Not to recruiting team – we are flexible on this if the right candidate needs to be remote but would prefer they get to enjoy the team being together a few days a week
