Hire the best Big Data Engineers in South Africa

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$70 hourly
George M.
- 4.9/5
- (3 jobs)
I am an accomplished Data Engineer and Data Scientist with a proven track record across diverse industries, offering unparalleled expertise to Upwork clients. My skills in data engineering and data science combine technical proficiency with analytical acumen, allowing me to effectively address a wide range of data challenges. I specialize in transforming complex datasets into valuable insights and actionable solutions, empowering businesses to make strategic decisions and achieve measurable outcomes. My extensive technical toolkit includes mastery of DataBricks, Docker, Terraform, Airflow, Apache Spark, SQL, big data, business intelligence tools (PowerBI, Tableau, Spotfire), and cloud computing platforms (AWS, GCP, and Azure). I am well-versed in Tensorflow, Keras, and SparkML, with a preference for languages such as Python, R, and SQL. Additionally, I am proficient in other data science languages. In addition to individual contributions, I founded Telios Data, a thriving data science shop that unites talented developers. In leadership roles, I've orchestrated the formation of high-performing data engineering and data science teams, streamlining in-business processes for maximum efficiency. Here are some highlights of my achievements: Senior Data Scientist at Liminal Clarity: Pioneered the development of a groundbreaking machine learning cloud application on AWS, reducing deployment time per tenant by an impressive 60%. Spearheaded the creation of machine learning models that not only identified fraudulent behavior but also enhanced client security using open source large language models. Successfully led the development team to produce a product that garnered attention and positive feedback from a prominent South African VC firm. Data Scientist at IT Master: Drove the establishment of data engineering and data science teams, achieving a 40% reduction in deployment time through the introduction of innovative Terraform templates. Engineered a data lake, integrating information from disparate source systems using DataBricks and implementing automated ETL Azure pipelines. Innovatively developed machine learning models that identified sales opportunities and optimized stock levels, showcasing a keen understanding of business dynamics. Senior Data Engineer at Raiffeisen Bank: Translated business needs into automated data models, incorporating data quality checks using Great Expectations and Glue cataloging, ensuring precision for business processes. Implemented robust data security measures, building encryption and decryption functions using Federated queries on AWS Athena, ensuring compliance with GDPR rules. Data Scientist at inQuba: Collaborated with clients to devise unique business solutions, resulting in improved client service delivery, customer retention, and loyalty. Designed and implemented an NLP algorithm parsing customer feedback, leading to a significant 20% improvement in customer satisfaction scores. Worked closely with developers and analysts to create dashboards and reporting for actionable insights. Projects Consultant: Designed and implemented advanced loan matching architecture, introducing a real-time affordability engine using OCR technology, automating a manual process and processing thousands of loans swiftly. Developed innovative algorithms for efficient promotion offerings, boosting customer loyalty and lifetime value by an impressive 15% in the first year. Collaborated with Safaricom on a data migration project to AWS and developed machine learning models for churn prediction. Built pre-fraud detection algorithms and architecture for a major Kenyan telecommunications company, using localstack to optimize development costs. I am passionate about delivering exceptional results and am eager to discuss how I can contribute to your projects and help you achieve your goals. Let's connect and explore the exciting possibilities together.

Big Data
Large Language Model
Neo4j
SQL Programming
Amazon Web Services
Business Intelligence
Microsoft Power BI
TIBCO Spotfire
Microsoft Azure
Terraform
Data Science
Machine Learning
Apache Spark
Python
Tableau
$20 hourly
Gideon W.
- 0.0/5
- (0 jobs)
I'm a young developer trying to make some extra money while helping people and improving my skills. I have skills in Python mainly with Machine Learning, Data Science and general scripting. I also code in Java and Delphi (Pascal). I'll ensure that your requests are followed through and I try to give the best experience possible to my customers. Let's get this done! Feel free to contact me regarding anything.

Big Data
Forecasting
Remote Sensing
Mathematics
Generative AI
Large Language Model
Linux
Artificial Intelligence
Blockchain
Machine Learning
Delphi
Data Science
Java
Python
$30 hourly
Marinda P.
- 0.0/5
- (0 jobs)
Summary: Experienced Commercial Relationship Manager with a proven track record in sales, account management, and new business development. Skilled in CRM management, platform presentations, and building strong customer relationships. Proficient in various software programs and dedicated to achieving business goals.

Big Data
Social Media Lead Generation
Project Management
Document Control
Presentations
Customer Acquisition
PipelineDeals
Lead Generation
Microsoft Excel
Microsoft Exchange Online
Dashboard
Administrative Support
Relationship Building
Account Management
SuiteCRM
$15 hourly
David A.
- 0.0/5
- (0 jobs)
I am a Certified IT/ Accounting Professional with over 15 years of experience in Accounting, Audit, Automation, and ERP management. Small or Big, Remote or On-Site am capable and up-to-the task. My specialty is Helping Small and medium Businesses in related Accounting Setup, reporting, and re-engineering their Accounting department from the scratch. I am Also Skilled in Point-of-sale Retail management Automaton in various setup verticals. If you need a stand-alone Grocery shop solution or a Multi-location Hyper Supermarket, I have handled such complex projects in the past. Furthermore, I can handle Data Analytics from Data Sources and create Powerful Dashboards for management and Presentation purposes. I have handled several Projects ranging from Manufacturing, Production process, Hospitality, hospitals, Schools, Farms, Airlines, Hardware Sales, Auto-parts, etc. Am sure to be of Help to your Accounting Needs, Please Contact Me.

Big Data
Computing & Networking
Information Technology
Business Presentation
Tech & IT
Payment Processing
Accounting
Financial Report
Microsoft PowerPoint
Financial Audit
Transaction Processing
Database Management System
Accounting Basics
$25 hourly
Eric N.
- 0.0/5
- (0 jobs)
I am a Desktop Support Engineer, Cloud Support Engineer, Data Analyst on AWS, Azure. Skillset: Scripting, Data cleaning, Virtual Network securing, Software Engineering, Microsoft 365 Defender, EC2, S3, VPC, RDS, IAM, Lambda, CloudFormation, GuardDuty, Azure SQL Data Warehouse, Azure Synapse Analytics, Data Analytics, Data Processing, Data Visualization, MariaDB, MySQL, PostgreSQL, Power BI, SQL Server On Azure. Data visualisation, interpretation. Excellent in creating bar, stacked, pie, line, scatter chart using Excel, Tableau, Python, R. Data Cleansing, Data Analysis, Questioning, Decision Making, Problem Solving, Metadata

Big Data
Network Security
Report Writing
Microsoft Azure
Cloud Services
Data Analysis
AWS Application
Cloudflare
Data Analytics
Cloud Security
Machine Learning
Statistics
Cloud Computing
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