hadoop developer jobs in Johannesburg

Key Responsibilities: - Design, build, and maintain scalable data pipelines to ingest, transform, and deliver data from multiple sources. - Manage data warehouse architecture and schemas to support efficient analytics and reporting. - Work closely with business analysts and stakeholders to translate business requirements into reliable data models and datasets. - Ensure high data quality,...

What you will be doing: - Analyse complex datasets to identify trends, patterns, and correlations that drive actionable insights. - Develop, implement, and validate machine learning algorithms and statistical models. - Build, operationalise, maintain, and explain predictive models to business and technical stakeholders. - Participate in the analysis, design, development, troubleshooting, and...

About the Role We are seeking a highly skilled Senior Data Scientist to join our advanced analytics team. You will be responsible for analyzing complex datasets, developing predictive models, and delivering actionable insights that support strategic business decisions. This role is ideal for professionals who thrive in data-driven environments, have a strong foundation in statistical analysis...

Overview Hire Resolve is currently seeking a driven and experienced Senior Full Stack Data Engineer to join our dynamic software company. As a Senior Full Stack Data Engineer, you will be responsible for designing, developing, and implementing data solutions to support our business needs. You will work with cross-functional teams to gather requirements, design data models, and build scalable...

Qualifications - Matric / Grade 12 / National Senior Certificate - Advanced Diplomas /National 1st Degrees - Post Graduate Degree Computer Science, Econometrics, Mathematical Statistics, Actuary Science (ideal) - Post graduate degree in computer science, statistics, or operations research or related technical discipline. - 4-6 years experience in a statistical and/or data science role. - Deep...

Join to apply for the Data Scientist Specialist role at Nedbank Job Family - Information Technology - Application Development - Manage Self Professional Job Purpose Apply deep domain-specific expertise in machine learning, data mining, and information retrieval to architect and build highly specialized and advanced analytic engines and services, pushing the boundaries of knowledge in the field...

Company Description Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful...

Machine Learning Engineer/ Data Scientist with R certification + PL-400 Join to apply for the Machine Learning Engineer/ Data Scientist with R certification + PL-400 role at ITC Worldwide. About the job ITC WORLDWIDE is seeking experienced Machine Learning Engineer and Data Scientist with R certification + PL-400. ITC Worldwide offers Microsoft Experienced & Certified comprehensive technical...

Summary of role The Data Scientist is responsible for leveraging advanced analytics, machine learning, and statistical modelling to extract actionable insights from complex datasets. This role supports strategic decision-making, drives innovation, and enhances operational efficiency across the organisation. Responsibilities - Develop, implement, and maintain predictive and prescriptive models...

Senior Manager Data Analytics 12 Months Contract Johannesburg-Hybrid About the Role As the Senior Manager: Data Analytics, you will drive the analytics and reporting roadmap, lead advanced modelling initiatives, and build data-driven capabilities that support growth, performance, and operational excellence across the FinTech portfolio. This role requires a strong mix of technical expertise,...

MI – Management information, reporting and data analyst.The role holder will be responsible to provide core support to the business through the development and maintenance of accurate management information and the analysis of available information. To provide valuable insights for strategic decision making and accurate information for day-to-day operational management. Developing reports and...

JOB DESCRIPTION Make an impact with NTT DATA Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive. Your day at NTT DATA The Data Engineer is a seasoned...

THE JOB AT A GLANCE The Business Analyst in the Business Enablement team has the responsibility to gather, analyse, document, and validate the needs of the business stakeholders and serves as the principal conduit for managing data insights requirements between the business and the data warehouse development team. Key to this role is the gathering and the interpretation of data in order to meet...

About The Position The Ab Initio Technical Lead will be responsible for working with our leading on-site consultants and off-site teams as a hands on designer and developer of complex components working on strategic design and development projects using the latest technologies from Ab Initio corp. (AI) THIS IS NOT A PROD SUPPORT POSITION. (hands-on practitioners only to apply) The candidate...

Driving lasting impact and building long-term capabilities with our clients is not easy work. You are the kind of person who thrives in a high performance/high reward culture - doing hard things, picking yourself up when you stumble, and having the resilience to try another way forward. In return for your drive, determination, and curiosity, we'll provide the resources, mentorship, and...

South Africa DATA SCIENCE CONSULTANT JOHANNESBURG Johannesburgo / Graduate / Number of vacancies: 2 •Statistical data processing (Data Mining)•Artificial Intelligence (AI), including generative AI•Predictive modeling using Machine Learning and Data Science techniques•Time-series modeling (ARIMA and panel data models) and simulation models (Monte Carlo)•Development, validation and audit of...

We are building the next generation of analytic engines and intelligent data capabilities and we are looking for Data Scientists who are ready to turn complex data into powerful business outcomes. If you are driven by advanced modelling, machine learning innovation, and solving real‑world financial challenges, this is your opportunity to make your mark where it matters most. What You’ll...

Senior Manager Data Scientist (AI/ML) Financial Services 12 MONTHS CONTRACT Johannesburg-Hybrid We are looking for an experienced Senior Manager Data Scientist with strong AI/ML expertise to join our dynamic team in the Banking/FinTech space. This role is ideal for someone who thrives in data-driven environments, enjoys solving complex problems, and has experience delivering production-ready...

About the Role We are seeking a highly skilled Senior Data Engineer to join our dynamic data team. You will be responsible for designing, building, and maintaining robust and scalable data pipelines and architectures that enable analytics and business intelligence at enterprise scale. This role is ideal for professionals who thrive in complex data environments, value clean, efficient, and secure...

We are seeking a highly skilled Data Analyst to join our innovative analytics team. You will be responsible for collecting, processing, and analyzing complex datasets to generate actionable insights that drive business decisions. This role is ideal for professionals who thrive in data-driven environments, value accuracy and clarity, and enjoy collaborating with cross-functional teams to deliver...