Senior BI Developer at Bluechip Technologies Limited

Summary

• As part of our continued growth, we are seeking an experienced Senior BI Developer to join our Data Services Division.
• This is a permanent, client-embedded role supporting enterprise BI and analytics engagements across Telco, Financial Services, Oil & Gas, Retail, and Healthcare sectors.
• The successful candidate will play a critical role in delivering high-quality business intelligence solutions, optimizing reporting performance, and serving as a trusted technical partner to our clients.

Responsibilities

• Own the end-to-end delivery of the BI and reporting layer for client EDW and BI engagements across multiple industries.
• Design and develop semantic and reporting layers, including measures, calculated fields, hierarchies, row-level security (RLS), and naming standards.
• Lead the capture and documentation of BI-specific requirements, including dashboard layouts, report types, drill-through hierarchies, RLS rules, and data-refresh SLAs.
• Design and develop interactive dashboards and reports in line with approved wireframes, corporate branding, UX/UI standards, and drill-through navigation requirements.
• Configure automated report distribution, subscriptions, and data-refresh schedules.
• Optimise dashboard and report performance through appropriate use of query folding, aggregations, DirectQuery, Import mode, and other performance-tuning techniques to meet agreed SLAs.
• Conduct BI solution design and code reviews to ensure adherence to technical and development standards.
• Mentor and provide technical guidance to Mid- and Entry-level BI Developers.
• Develop and maintain BI documentation, including report catalogues, measure dictionaries, user guides, and technical specifications. • Develop BI-focused training materials and deliver advanced training to power users and business analysts.
• Own the resolution of escalated BI incidents during post-implementation support, working closely with the Team Lead, Data Architect, and other technical stakeholders.
• Collaborate with Data Engineers, Data Architects, Business Analysts, Project Managers, and client stakeholders to deliver scalable and business-focused BI solutions.

Requirements

• Bachelor's degree (or equivalent) in Computer Science, Information Systems, Data/Business Analytics, Statistics, Engineering, or a related discipline.
• Relevant professional BI certification is preferred, such as Microsoft Certified: Power BI Data Analyst Associate, Tableau Certified Data Analyst, Qlik, or MicroStrategy certification.
• Additional certification in SQL, data modelling, or Agile/Scrum methodology is an advantage.
• 5–7 years' hands-on experience in Business Intelligence and reporting development, including at least 2 years in a senior or lead capacity.
• Demonstrated experience designing and building semantic and reporting layers, including measures, DAX/MDX, hierarchies, and RLS, using at least one enterprise BI platform such as Power BI, Tableau, Qlik, MicroStrategy, or Looker.
• Proven experience delivering BI and reporting solutions on EDW-backed projects, preferably within Telco, Financial Services, Oil & Gas, Retail, or Healthcare environments.
• Experience conducting technical design/code reviews and mentoring junior BI developers.
• Experience working within structured delivery methodologies, including requirements gathering, FRS sign-off, UAT, change control, and production deployment. Experience in ISO 9001/27001-aligned environments is an advantage.
• Advanced proficiency in at least one enterprise BI and visualisation platform, including Power BI, Tableau, Qlik, MicroStrategy, or Looker, with supporting tools such as DAX Studio and Tabular Editor.
• Strong SQL skills for semantic-layer development, data analysis, and query optimisation.
• Working knowledge of version control and collaboration tools such as Git, Azure DevOps, SharePoint, and Confluence.
• Strong understanding of data visualisation, dashboard design, UX/UI principles, and corporate branding.
• Excellent analytical, problem-solving, and troubleshooting skills, with strong attention to data accuracy and quality.
• Excellent stakeholder-management and communication skills, with the ability to translate business requirements into technical BI specifications.
• High level of integrity and discretion when handling sensitive and confidential client data, with sound understanding of RLS, access controls, and information security principles.
• Willingness to travel to client locations across Africa as required.

Benefits

• Competitive, performance-driven salary package.
• Comprehensive health insurance and employee benefits.
• Continuous learning, technical certifications, and professional development opportunities.
• Statutory Payments
• Exposure to enterprise-scale BI and analytics projects across multiple industries.
• Opportunities to work with emerging data and analytics technologies.
• A collaborative, innovative, and inclusive work environment.
• Opportunity to travel.