MidLevel Data Engineer 

MidLevel Data Engineer 

Role status  


MidLevel Data Engineer


Based in London and Swindon, with a hybrid office/WFH policy,


As a result of rapid growth, we need an MidLevel Data Engineer to join our Data and Engineering team.  

Founded in 2016 as an Amazon agency, Optimizon is one of the UK’s most exciting and fast-growing marketplace agencies, dedicated to building and protecting brands on marketplaces such as Amazon, eBay, Wayfair, Onbuy, Mano Mano, DIY.com and many more all over the world. 

Based in London and Swindon, with a hybrid office/WFH policy, we have a multi-team approach led by our account managers, supported by our Creative, Advertising, Data Analysis and Technical teams. 


Key role responsibilities: 

• Implement data pipelines and systems to connect and process data for analytics and  

BI systems. 

• Document systems and source-to-target mappings. 

• Re-engineer manual data flows to enable scaling and repeatable use. 

• Follow best practice guidelines and help to improve those guidelines. 

• Write clean, secure and well-tested code. 

• Operate the services and pipelines you build and identify issues in production. 

• Assess and prioritise feature requests. 

• Recognise opportunities to reuse existing data flows. 

• Collaborate with other team members and stakeholders. 

• Implement data quality checks and validation processes to identify and resolve data  


• Support business intelligence report development that can be reused. 

Requirements and skills:  

• • Python development proficiency 

• Strong Software Engineering background. 

• Good problem-solving, communication, and organisational skills. 

• Ability to work independently and with a team. 

• Understand industry-recognised data modelling patterns and standards and when to  

apply them. 

• Familiarity with data security and privacy principles, ensuring compliance with data  

governance and regulatory requirements. 

• SQL proficiency and relational database management experience 

• API Implementation and Integration experience, understanding of REST principles  

and best practices. 

• Knowledge of validation libraries like Marshmallow or Pydantic. 

• Expertise in Pandas or similar libraries 

• Experience working with Airflow. 

• Operating systems (Linux) knowledge. 

• Proficiency in modern development practices and infrastructure deployment  

(DevOps), including Git, Terraform, Docker, and CI/CD (CircleCI). 

• Experience working with GCP stack (CR, CF, GCS, Secret Manager, etc.) 

• Proficient understanding of code versioning tools, such as GIT/GitHub 

What you’ll get in return 

There is a competitive salary on offer of £ 50 000 – £55 000 per annum, with benefits including social events, generous 33 days holiday including bank holidays, fun working environment and great teammates.   

  • Paid sick leave  
  • EMI scheme  
  • Amazon Prime  
  • Birthday off in the weekday  
  • Enhanced Maternity leave  
  • Paid Travel expenses to company social events, conferences, meetings in any Optimizon office, client meetings etc  
  • Fully hybrid working 
  • Free eye tests and frame discounts  
  • ‘Work from anywhere in the world’ policy 
  • Investors In People Accredited  
  • LinkedIn Learning 
  • Private healthcare scheme 

Does this job sound like the perfect fit? 

Please email your CV along with a cover letter to [email protected] 

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