Senior Data Warehouse Engineer

ABOUT US

Sand Technologies is a global leader in digital transformation, empowering leading organisations and governments worldwide to achieve their digital aspirations. 

We offer a comprehensive suite of services, including enterprise AI solutions, data science, software engineering, and IoT, delivered from our centres in the Americas, Europe, and Africa. 

Our training programmes, in partnership with organisations like the Mastercard Foundation, Amazon Web Services, Holberton, and ALX cultivate the next generation of agile digital leaders.

Through recent strategic acquisitions, Sand Technologies has further strengthened its capabilities in advanced analytics and intelligent software development, enhancing our ability to solve our clients' most pressing challenges across telecom, utilities, healthcare, and insurance industries. 

We believe in harnessing technology to deliver real impact and value, helping organisations bridge the gap between their current reality and digital future.

ABOUT THE ROLE

As a Data Warehouse Developer you will be working with the latest cloud technologies to design and implement the next generation data pipelines, analytics and BI platform to support our whole system of learning applications and selection application to deliver the best in class technology. 

KEY RESPONSIBILITIES

• Design, implement and maintain our data warehouse.
• Design, implement and maintain ETL processes for data extraction, transformation, and loading from various source systems into the data warehouse
• Ensure and maintain data security and quality
• Maintain and improve our standards of coding and deliveries
• Review other people’s code and design
• Identify opportunities for improving data quality, reliability, and efficiency within the data warehouse environment
• Collaborate with cross-functional teams to gather and analyze data warehouse requirements
• Support and advise the Product and Project Manager team
• Provide technical mentorship to junior team members, guiding them in best practices for DWH development

 

REQUIREMENTS:

• You have 5+ years of experience in data warehousing development, including ETL design, development, and implementation
• Proficiency in SQL programming and experience with relational database systems (e.g. SQL Server, PostgreSQL, AWS Redshift)
• Experience working with large-scale data warehouses
• You are fluent in modeling, managing, scaling and performance tuning of high volume data warehouse environments
• You have experience in working with structured and unstructured data
• You have experience with dimensional data modeling
• You have strong analytical and troubleshooting skills
• Language: Fluent written and spoken English

 

NICE TO HAVE:

• BS/MS in Computer Science or equivalent
• You have experience with DBT 
• You have experience with AWS tools (S3, Glue, Redshift, QuickSight, etc.)
• Self-learner and eager to learn new software tools/technologies

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Would you like to join us as we work hard, have fun and make history?