ICT Roles at GBS

About the Role

• We are seeking a strong BI Developer / Data Warehouse Developer to design, build, and maintain scalable data and reporting solutions within a fast-paced call centre environment. You will transform high-volume operational data into meaningful insights through advanced BI development, data modelling, and automation.

Key Responsibilities

• Design and maintain data warehouse structures and dimensional models (star/snowflake schemas)
• Develop and optimise ETL/ELT pipelines across multiple systems (CRM, dialers, telephony, HR, etc.)
• Build and enhance BI dashboards and reports for key KPIs (AHT, SLA, productivity, conversions, campaign performance)
• Automate reporting processes and improve data workflows for efficiency
• Ensure data accuracy, integrity, consistency, and performance across platforms
• Enable real-time and near real-time reporting where required
• Team Collaborate with Data Engineers and business stakeholders (Operations, Workforce Management, Finance, IT)

Technical Skills (Essential)

• Advanced SQL
• Microsoft SQL Server
• Microsoft Fabric / Azure Data Services
• On-premise and cloud data environments
• Power BI (advanced dashboarding & reporting)
• ETL / ELT development (end-to-end pipeline design)
• Data modelling (fact tables, dimension tables, star schema)
• Data integration and automation
• Strong BI development experience
• Data warehousing principles and implementation
• Data lakes (design and implementation)
• Basic Python or scripting knowledge essential

Experience & Qualifications

• Degree/Diploma in Computer Science, Information Systems, Data Engineering, or related field
• 2–5 years’ experience in BI Development / Data Warehouse environments
• Experience working with large structured datasets
• Exposure to call centre systems (dialers, CRM, telephony platforms) is advantageous

Key Competencies

• Strong technical and analytical problem-solving skills
• High attention to detail and data accuracy
• Solution-driven and structured thinking approach
• Ability to perform in a fast-paced environment
• Strong communication skills (technical and non-technical stakeholders)
• Strong teamwork, collaboration, and stakeholder engagement abilities
   

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• In this role, you’ll modernise data infrastructure, migrate legacy systems, and engineer solutions that power business decisions impacting thousands of customers daily within a high-volume call centre environment.
• You’ll also gain exposure to emerging technologies like Microsoft Fabric and Salesforce Data Cloud, positioning yourself at the forefront of South Africa’s evolving data landscape.

What You’ll Do

• Design and implement end-to-end cloud data solutions from architecture through to deployment
• Support migration of on-prem systems to cloud, ensuring scalability, performance, and security
• Build and optimise data pipelines, data warehouse structures, and BI reporting layers
• Develop dashboards and reporting solutions to support operational and strategic decision-making
• Drive best practices in data quality, governance, and security
• Team Collaboration with IT, Data, and business stakeholders to deliver impactful data solutions

Technical Skills (Essential)

• Advanced SQL
• Microsoft SQL Server
• Microsoft Fabric / Azure Data Services
• On-prem and cloud data environments
• Power BI (advanced dashboarding & reporting)
• ETL / ELT development (end-to-end pipeline design)
• Data modelling (fact tables, dimension tables, star schema)
• Data integration and automation
• Strong BI development experience
• Data warehousing principles and implementation
• Data lakes (design and implementation)
• Basic Python or scripting knowledge essential

What We’re Looking For

• Bachelor’s degree in Computer Science, Engineering, or related field
• 3–5 years’ experience in Data Engineering / BI development
• Proven experience working with cloud data platforms
• Strong experience in data migration and scalable architecture design
• Strategic thinker with strong problem-solving ability
• Passion for innovation and emerging data technologies
• Strong communication and stakeholder engagement skills
• Team player with strong collaboration ability