Senior Data Engineer (12065) in London

Senior Data Engineer

Job Type: Permanent

Location: London/Remote

Hours: 37.5hrs

Salary: £Competitive + Company Benefits

It's a really exciting time to be at Holland & Barrett. Our IT, Technology and Digital teams are transforming our business beyond all recognition. This is where we create our industry leading digital solutions to satisfy our customer needs.  We are investing across all areas of our business with a vision of empowering our customers to live happier, healthier lives. Our ambition is to become the leading player in global wellness chosen by millions as their trusted partner for personalised wellness journeys.

To achieve this goal, we are embarking on a radical transformation and a number of new, exciting tech roles are available.

The Senior Data Engineer will be a key member of a cross-functional squad. The role will require you to:

• Design and deliver functional, high quality software independently
• Collaborate and contribute to the various features being built as part of the product roadmap in a team
• Break large problems into sub-tasks and take operational responsibility
• Continuously iterate and improve on the platforms/products/features being built working with product managers and with the other engineers, BI Analysts and Data Scientists
• Write tests, contribute to test frameworks, review and approve code changes
• Mentor new hires, champion processes and set standards for fellow data engineering team members
• Analyse, isolate and fix of discrepancies between datasets
• Improve the quality of existing datasets and ensure the high quality of new datasets
• Improve data processing throughput both incrementally and radically
• Work equally with data from legacy systems and data from modern eventing systems
• Develop and enhance ELT pipelines including simplifying configuration and orchestration
• Ensure data pipelines are monitored for functional correctness, SLIs and anomalies
• Bring new ideas and technical choices into the team
• Promote evidence-based decision making
• Work to clarify ambiguous or incomplete requirements
• Own solutions through to completion once agreed on
• Course correct as required
• Collaborate in team activities: Code review, standards setting, retrospectives, continuous improvements, Show'n'Tells, backlog refinement
• Be proactive in your development and growth
• Take no blame root cause analysis and incidence management approach of all issues
• Be a role model for behaviour in accordance with company culture, with a strong work ethic and accountability
• Collaborate across squads where there are dependencies
• Embrace a DevOps culture and sense of ownership of what you build

People Skills

• Curious
• Positive
• Collaborative
• Resilient
• Outcome Orientated
• Sharer

Development Skills

• Pathfinder
• Realistic
• Inventive
• Systematic
• Analytic
• Problem Crusher

Technical Skills

We are not looking for a perfect match. A strong engineering outlook goes a look way. If you have worked with similar technologies, we are happy for you to transfer your skills into a new technical landscape. For example, a GCP background is a good indicator you could switch to AWS and ramp up your skills effectively.

With regards to your technical expertise, you must be able to demonstrate:

• An interest in functional programming
• Professional experience in a comparable role
• Experience in building reliable, scalable, monitored and maintainable systems and platforms
• Ability to solve problems and think across different scales from the strategic right down to the code optimization and debugging level
• Ability to separate essential complexity from incidental complexity and a desire to reduce complexity
• Experience with Cloud Computing: AWS, S3, Athena, Glue, Lambda, CloudFormation, EMR, Delta.io
• Familiarity with containerization: Kubernetes, Docker, Docker Compose
• Experience with distributed computing: Spark and architectural principles
• Experience with messaging: Kafka, Avro schema, Kafka Connector, Kafka ecosystem
• Experience with monitoring: Datadog
• Experience with orchestration: Airflow
• Experience with DevOps concepts & working with CI and CD
• Software Engineering Practices: TDD, Integration Testing, Design
• Strong Development background in one or more of the following: Scala, Java, Kotlin, Python. All Spark jobs are written in Scala.
• SQL Scripting: Athena, Spark SQL, DBT
• RDBMS: Oracle, Postgres
• Familiarity with Git, Code Review, Code Coverage, SBT, IDE
• Agile/scrum/Kanban development experience. Embraces Agile and encourages other to embrace an agile way of working
• Strong collaboration and communication skills within distributed project teams.
• Nice to have: Experience working with a Cloud Native Data Warehousing

We offer a flexible, home-based working model. We have offices in Nuneaton and London, but you will not be required to be office-based.

Holland & Barrett is one of the nation's most loved and trusted brands, known for offering quality health food, vitamins and supplements all sold by highly trained and qualified advisors.

Bucking the current trend of high street retailers, we forecast significant growth and expansion plans in the coming years, with considerable investment going into all areas of the business. We certainly embrace change and drive speed in everything we do. Every day presents a different challenge, but every day is also filled with fun, teamwork and passion to succeed and surpass every expectation.

Join us and see how far you can go…