Mars UK • United Kingdom

Senior Data Engineer

Employment type:  Full time

3–4 days/week at home

Core hours 11–3

Dog friendly

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Job Description

Job Description:

One Demand Data & Analytics (ODDA) is a Mars Wrigley program that harnesses the power of data and insights to solve some of the critical business-wide problems we face – unlocking quality growth and operational excellence.

Through ODDA, we deliver connected insights across the entire demand ecosystem. We empower our Associates with the right data, tools and capabilities so they can take decisive action, maximizing value and making a meaningful impact on our consumers, our customers and our business.

What are we looking for?

  • A highly skilled & experienced engineer on the Snacking Data Platform, with proven ability to lead technical change

  • Highly data-driven and enthusiastic about good data modelling. Drives best development practices across products and technical team members.

  • Comfortably manages context switching - e.g. between multiple projects / between head-down coding & mentoring/brainstorming

  • Introduces and encourages innovation - suggests ideas, looks to introduce new technologies/practices to deliver better solutions with inspirational enthusiasm for tech & innovation

  • Ability and strong desire to research and learn new technologies and languages

  • Confidence to technically challenge implemented solutions and processes

  • Excellent skills in our tech stack and/or highly valuable experience in data engineering

  • Takes on a mindset thinking in terms of overall One Demand Data & Analytics vision, a role model for ownership and accountability

  • Builds strong relationships across teams, promoting team dynamic .Able to communicate effectively with all levels of the business to help present new ideas and provide recommendations for new technologies

  • Highly knowledgeable in the contemporary data engineering and analytics landscape, the current tools, the latest approaches

  • Experienced in practices of DevOps and CICD within a data platform

  • Capacity and enthusiasm for mentoring and coaching data engineers of varying experience

Technical skills

  • Strong knowledge and experience in processing big data and coding expertise using Spark

  • Experience working in a cloud environment (Azure, AWS, GCP)

  • Experience in building data pipeline/ETL/ELT solutions

  • Nice to have - Neo4J / Cypher, Azure cloud technologies (e.g. Blob Storage, ADLS, Azure DevOps, Azure Logic Apps, Azure FUnctions), Delta Lake storage layer, Data visualisation tools (e.g. PowerBI, Tableau, THoughtspot, D3.js)

What will be your key responsibilities?

  • Engineer and orchestrate the most complex and challenging data engineering solutions on our cloud based data platform, using an Azure data stack e.g. Databricks, Spark, Python, PySpark, ADLS, Delta Lake, Parquet

  • Accountable for ensuring data is well modelled in a Scalable, Repeatable and Sustainable manner

  • Take full technical ownership and responsibility for challenging focus areas and projects within a complex platform

  • Technically mentor and guide other members of the data engineering team

  • Actively host / lead group technical discussions. E.g. leading workshops

  • Promote DevOps & CI/CD methodologies to collaborate on a growing platform

  • Partner with ODDA Product Leads to drive the provision of business value through technical excellence

  • Partner with delivery/scrum masters to efficiently deliver technical solutions in an agile and timely manner

  • Exercise excellent communication to collaborate with various members of the ODDA solutions team

  • Work closely with data scientists and business stakeholders to understand their requirements

  • Enthusiastically evolve your technical skillset, engage in training and learn new technologies and techniques

What can you expect from Mars?

  • An industry competitive salary and benefits package, including excellent pension.

  • Join a purpose driven company, where we’re striving to build the world we want tomorrow, today.

  • Best-in-class learning and development support from day one, including access to our in-house Mars University.

  • A company that understands the importance of a work-life balance.

  • An industry competitive salary and benefits package, including company bonus

  • The chance to take hold of your own career, and develop personally and professionally.

#LI-PA1 #LI-Hybrid

Mars is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. If you need assistance or an accommodation during the application process because of a disability, it is available upon request. The company is pleased to provide such assistance, and no applicant will be penalized as a result of such a request.

Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
Enhanced maternity leave – 26 weeks at 90% pay
Enhanced paternity leave – 26 weeks at 90% pay
24 days annual leave + bank holidays
“Pawternity” leave
Pregnancy loss leave

The FlexScore® is the result of a rigorous 2-step verification of a company’s flexibility

First we assess the flexibility options Mars UK provides and then we anonymously survey a statistically significant proportion of their employees to make sure Mars UK is as flexible as they say they are. Our assessment is based on the six key elements of flexibility: location, hours, autonomy, benefits, role modelling and work-life balance.

We ask the hard questions so you don’t have to.

Working at Mars UK

Company employees

4000 In the UK

Gender diversity (male:female)


Office locations

London, Slough, Waltham, Castle Cary, Birstall, Plymouth

Hiring Countries

United Kingdom
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Awards & Achievements
Most flexible Retail & Ecommerce companies

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