Data Engineer

<p><iframe src="https://www.youtube.com/embed/bY0nNPT75xY" width="560" height="314"></iframe></p>
<p><strong>Data Engineer (Modelling &amp; Transformation)| Hybrid Working | Hatfield</strong></p>
<p><strong></strong></p>
<p data-path-to-node="2"><strong data-path-to-node="2" data-index-in-node="0">Introduction:</strong></p>
<p data-path-to-node="2">We are Ocado Group, and we're bringing world-class automation to online grocery. Our Ocado Smart Platform (OSP) combines cutting-edge robotics, AI, and IoT within our advanced CFCs (Customer Fulfilment Centres). We've mastered the single pick, transforming online delivery for our global partners. Join us and be part of a team pushing the boundaries of retail technology.</p>
<p id="p-rc_ed609c6a5ee7893e-248" data-path-to-node="3"><span data-path-to-node="3,0"><strong data-path-to-node="3,0" data-index-in-node="0">About the Role:</strong></span></p>
<p data-path-to-node="3"><span data-path-to-node="3,0">As a Data Engineer within our Data Engineering Modelling and Transformation team, you will be directly responsible for building and maintaining the foundational data warehouse that powers analytics, reporting, machine learning, and partner data products across Ocado Technology</span><span data-path-to-node="3,1"><sup class="superscript"></sup></span><span data-path-to-node="3,2">. In this role, you will transform raw operational data into trusted, governed, and business-ready datasets that drive strategic and operational decision-making across the entire organisation</span><span data-path-to-node="3,3"><sup class="superscript"></sup></span><span data-path-to-node="3,4">.</span> </p>
<p id="p-rc_ed609c6a5ee7893e-249" data-path-to-node="4"><span data-path-to-node="4,0">Working in an agile environment, you will collaborate closely with data scientists, analysts, product owners, and platform engineers to deliver high-quality data feeds and scalable transformation frameworks</span><span data-path-to-node="4,1"><sup class="superscript"></sup></span><span data-path-to-node="4,2">. You will focus on designing reliable ELT/ETL pipelines, establishing rigorous data quality controls, and optimizing performance across our cloud data warehouse infrastructure to ensure seamless downstream data delivery for all enterprise consumers</span><span data-path-to-node="4,3"><sup class="superscript"></sup></span><span data-path-to-node="4,4">.</span> </p>
<p data-path-to-node="5"><strong data-path-to-node="5" data-index-in-node="0">Key Responsibilities:</strong></p>
<ul data-path-to-node="6">
<li>
<p id="p-rc_ed609c6a5ee7893e-250" data-path-to-node="6,0,0"><span data-path-to-node="6,0,0,0">Responsible for building and maintaining the core data warehouse that powers analytics, reporting, machine learning, and partner data products</span><span data-path-to-node="6,0,0,1"><sup class="superscript"></sup></span><span data-path-to-node="6,0,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-251" data-path-to-node="6,1,0"><span data-path-to-node="6,1,0,0">Design, develop, and maintain scalable, reliable ELT/ETL pipelines across enterprise data solutions</span><span data-path-to-node="6,1,0,1"><sup class="superscript"></sup></span><span data-path-to-node="6,1,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-252" data-path-to-node="6,2,0"><span data-path-to-node="6,2,0,0">Build and optimise dimensional and analytical data models to meet complex business reporting and analytics needs</span><span data-path-to-node="6,2,0,1"><sup class="superscript"></sup></span><span data-path-to-node="6,2,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-253" data-path-to-node="6,3,0"><span data-path-to-node="6,3,0,0">Develop and maintain reusable data transformation logic using modern software engineering best practices</span><span data-path-to-node="6,3,0,1"><sup class="superscript"></sup></span><span data-path-to-node="6,3,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-254" data-path-to-node="6,4,0"><span data-path-to-node="6,4,0,0">Implement automated data quality checks, pipeline monitoring, and testing frameworks to ensure data reliability</span><span data-path-to-node="6,4,0,1"><sup class="superscript"></sup></span><span data-path-to-node="6,4,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-255" data-path-to-node="6,5,0"><span data-path-to-node="6,5,0,0">Collaborate with analysts, data scientists, product teams, and platform engineers to deliver secure, business-ready datasets</span><span data-path-to-node="6,5,0,1"><sup class="superscript"></sup></span><span data-path-to-node="6,5,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-256" data-path-to-node="6,6,0"><span data-path-to-node="6,6,0,0">Monitor, troubleshoot, and optimise pipeline performance to continuously improve efficiency and operational resilience</span><span data-path-to-node="6,6,0,1"><sup class="superscript"></sup></span><span data-path-to-node="6,6,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-257" data-path-to-node="6,7,0"><span data-path-to-node="6,7,0,0">Participate in code reviews and actively contribute to continuous improvements in team engineering standards</span><span data-path-to-node="6,7,0,1"><sup class="superscript"></sup></span><span data-path-to-node="6,7,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-258" data-path-to-node="6,8,0"><span data-path-to-node="6,8,0,0">Produce clear documentation and foster knowledge sharing across the data engineering craft</span><span data-path-to-node="6,8,0,1"><sup class="superscript"></sup></span><span data-path-to-node="6,8,0,2">.</span> </p>
</li>
</ul>
<p data-path-to-node="7"><strong data-path-to-node="7" data-index-in-node="0">What We’re Looking For:</strong></p>
<p data-path-to-node="8"><em data-path-to-node="8" data-index-in-node="0">Essential</em></p>
<ul data-path-to-node="9">
<li>
<p id="p-rc_ed609c6a5ee7893e-259" data-path-to-node="9,0,0"><span data-path-to-node="9,0,0,0">Proven experience developing ELT/ETL pipelines and working with data transformation frameworks such as dbt</span><span data-path-to-node="9,0,0,1"><sup class="superscript"></sup></span><span data-path-to-node="9,0,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-260" data-path-to-node="9,1,0"><span data-path-to-node="9,1,0,0">Strong SQL skills and a solid understanding of programming fundamentals in Python, SQL, or standard query languages</span><span data-path-to-node="9,1,0,1"><sup class="superscript"></sup></span><span data-path-to-node="9,1,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-261" data-path-to-node="9,2,0"><span data-path-to-node="9,2,0,0">Hands-on experience using Git and CI/CD workflows</span><span data-path-to-node="9,2,0,1"><sup class="superscript"></sup></span><span data-path-to-node="9,2,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-262" data-path-to-node="9,3,0"><span data-path-to-node="9,3,0,0">Strong analytical, problem-solving, and clear communication skills with a collaborative mindset</span><span data-path-to-node="9,3,0,1"><sup class="superscript"></sup></span><span data-path-to-node="9,3,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-263" data-path-to-node="9,4,0"><span data-path-to-node="9,4,0,0">Degree in Computer Science, Data Science, Software Engineering, Mathematics, or equivalent practical experience</span><span data-path-to-node="9,4,0,1"><sup class="superscript"></sup></span><span data-path-to-node="9,4,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-264" data-path-to-node="9,5,0"><span data-path-to-node="9,5,0,0">Solid understanding of core data concepts, including data storage, transformation, and analysis</span><span data-path-to-node="9,5,0,1"><sup class="superscript"></sup></span><span data-path-to-node="9,5,0,2">.</span> </p>
</li>
</ul>
<p data-path-to-node="10"><em data-path-to-node="10" data-index-in-node="0">Nice to Haves</em></p>
<ul data-path-to-node="11">
<li>
<p id="p-rc_ed609c6a5ee7893e-265" data-path-to-node="11,0,0"><span data-path-to-node="11,0,0,0">Practical experience writing Python for data engineering workloads</span><span data-path-to-node="11,0,0,1"><sup class="superscript"></sup></span><span data-path-to-node="11,0,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-266" data-path-to-node="11,1,0"><span data-path-to-node="11,1,0,0">Experience working with modern cloud data warehouses, ideally Google BigQuery</span><span data-path-to-node="11,1,0,1"><sup class="superscript"></sup></span><span data-path-to-node="11,1,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-267" data-path-to-node="11,2,0"><span data-path-to-node="11,2,0,0">Practical understanding of dimensional data modelling principles</span><span data-path-to-node="11,2,0,1"><sup class="superscript"></sup></span><span data-path-to-node="11,2,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-268" data-path-to-node="11,3,0"><span data-path-to-node="11,3,0,0">Experience using tools in our tech stack such as Airflow, Terraform, or Grafana</span><span data-path-to-node="11,3,0,1"><sup class="superscript"></sup></span><span data-path-to-node="11,3,0,2">.</span> </p>
</li>
<li>
<p id="p-rc_ed609c6a5ee7893e-269" data-path-to-node="11,4,0"><span data-path-to-node="11,4,0,0">Previous experience working within Agile delivery teams</span><span data-path-to-node="11,4,0,1"><sup class="superscript"></sup></span><span data-path-to-node="11,4,0,2">.</span>