Data Wizard
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Job Location:
Johannesburg - South Africa
Monthly Salary:
Not Disclosed
Posted on:
6 hours ago
Vacancies:
1 Vacancy
Job Summary
Requisition Details & Talent Acquisition Contact
Requisition nr: 143798
Talent Acquisition Specialist: Tshego Semenya
Location: 135 Rivonia Road Sandown
Closing date: 4February 2026
Cluster
Personal and Private Banking
Career Stream
Data
Leadership Pipeline
Manage Self: Technical (MST)
Position
Data Wizard
Why join the team!
The Data Wizard plays a missioncritical role in shaping the data backbone of Nedbanks newest innovation space delivering highquality validated information that powers fast accurate decisionmaking across the business. Success in this role means consistently enabling rapid insights automating processes to reduce operational costs and designing reliable data structures that meet regulatory analytical and operational needs. You will work with exceptionally large and complex datasetsincluding blockchain and crypto transaction streamsand transform them into trusted secure and accessible assets aligned with governance and Group Technology standards. Your engineering expertise will directly influence turnaround times reporting accuracy and the availability of data for key stakeholders in MidCorp BCB Risk AML Compliance and other internal teams.
This role offers the excitement and challenge of building data capabilities for a brandnew business with evolving requirements all while replacing legacy dependencies and introducing modern scalable engineering practices. Youll be trusted to deliver under pressure engage crossfunctionally with GT vendors and domain specialists and design solutions that integrate seamlessly into Nedbanks broader data ecosystem. Most importantly youll join a pioneering environment where you can shape the future of digital assets and Web3 bankingworking with leading experts cuttingedge blockchain datasets and new technologies with the freedom to innovate automate and influence the direction of a highgrowth highimpact business unit. This is not maintenance work; it is the rare opportunity to build something new meaningful and industryshaping from the ground up.
Job Purpose
The Data Wizard will serve as the technical engine behind Nedbanks newest innovation unit Ned Defi. This role combines strong SQL engineering capabilities with advanced data pipeline development skills to transform massive complex datasetsparticularly blockchain Web3 and cryptorelated datainto reliable accessible and meaningful information for decisionmaking regulatory reporting and strategic insights.
As Ned Defi builds the future of blockchainenabled banking the Data Wizard will create the data foundations that make high-volume crypto data (e.g. Bitcoin and Ethereum datasets with >24 billion rows) usable trusted and analyticsready across the business.
Job Responsibilities
Data Engineering & Pipeline Management
- Design develop and maintain scalable reliable data pipelines for ingestion real-time streaming transformation and delivery.
- Engineer data flows that support both structured and unstructured datasets including blockchain event streams API feeds and Big Data sources like Kafka.
- Build and maintain SSIS packages SQL stored procedures and highperformance transformations.
- Optimise existing SQL scripts structures and processes for speed stability and minimal latency.
- Rapidly identify breakages troubleshoot issues and implement corrective actions to ensure uninterrupted data flow.
Building Data Structures for a New Business
- Create data models tables platforms and integration points required to support Ned Defi as a newly established business unit ensuring alignment with Nedbanks data governance
- standards.
- Set up data environments in partnership with Infrastructure Group Technology (GT) and vendors to ensure correct landing zones processing pathways and system accessibility.
- Ensure Chinese-wall compliance and proper data segregation between Nedbank and Ned Defi environments.
Data Preparation Analysis & Insights
- Convert raw blockchain and crypto transaction data into clean structured readable datasets suitable for analytics reporting and operational decision-making.
- Develop insights that support AML Risk Compliance Conduct and Transaction Monitoring teams.
- Support daily reconciliations settlements to vendors audit requirements and regulatory reporting using reliable and validated data.
- Automate recurring operational processes and identify opportunities for pipeline enhancement.
Collaboration & Stakeholder Engagement
- Engage with internal teams (GT CIA Product Risk Web Development Infrastructure) to align development strategies and ensure smooth integration of data solutions.
- Liaise with vendors and external partners for data ingestion tooling and solution design.
- Participate in requirements discussions validate specifications and deliver fitforpurpose data solutions within agreed timelines.
- Understand front-end systems operational workflows and product platforms to ensure data engineering supports business processes endtoend.
Governance Security & Quality
- Ensure adherence to data governance standards metadata requirements lineage rules and Nedbank architectural guidelines.
- Partner with Information Security CISO and Data Governance teams to ensure secure handling of sensitive information.
- Ensure data delivered for reporting AI/ML enablement auditing and operational consumption is complete accurate and reliable.
Visualisation & Output
- Create insights using Tableau Power BI or similar tools for consumption by leadership and operational stakeholders.
- Build clear dashboards reports and data stories that simplify complex datasets into actionable outputs.
Essential Qualifications - NQF Level
- Matric / Grade 12 / National Senior Certificate
- Advanced Diplomas/National 1st Degrees
Preferred Qualification
- BSc BEng
Preferred Certifications
- DEVOPS or Data engineering certification
Minimum Experience Level
- A highly skilled SQL engineer with strong experience in writing reading and optimising complex SQL scripts (some Nedbank stored procedures exceed 2000 lines).
- 3 years experience in data engineering including SSIS stored procedures ETL and working with large datasets.
- Comfortable with Big Data technologies such as Hadoop Postgres Kafka or other large-scale processing environments.
- Curious and adaptable able to research tools and propose fit-for-purpose technologies that align with Group Technology guidelines.
- Able to work independently quickly understand existing environments and deliver quick turnaround times under pressure.
- Strong in problem-solving optimisation and automation able to replace reliance on existing web developers performing SQL work.
Technical / Professional Knowledge
- Cloud Data Engineering (Azure AWS Google)
- Data Warehousing
- Databases (PostgreSQL MS SQL IBM DB2)
- Data Analysis and Data Modelling
- Data Pipelines and ETL tools (Ab Initio ADB ADF SAS ETL)
- Agile Delivery
Disclaimer
Preference will be given to candidates from the underrepresented groups
Please contact the Nedbank Recruiting Team at
Please contact the Nedbank Recruiting Team at
Key Skills
- Apache Hive
- S3
- Hadoop
- Redshift
- Spark
- AWS
- Apache Pig
- NoSQL
- Big Data
- Data Warehouse
- Kafka
- Scala
About Company
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