Senior Data

1 week ago

Johannesburg, Gauteng, South Africa TymeX Full time

About TymeX

TymeX is Tyme Group's Technology & Product Development Hub with a global mission to become serial bank builders.

Our Financial Crime platform plays a critical role in protecting customers and the bank from fraud, money laundering, and other financial crimes using advanced data, analytics, AI, and automation.

About the Role

We're looking for a Senior Data & AI Engineer to join our Financial Crime team. You'll be part of the group responsible for building and maintaining high-performance data pipelines that drive fraud detection, entity resolution, and compliance analytics across Tyme's ecosystem.

You'll work with large, complex datasets in Databricks, integrate data from multiple systems in real time and batch, and help design the data foundation for real-time risk detection and case management.

Key Responsibilities:

  • Build and optimize data ingestion pipelines using Python and PySpark to collect and transform data from multiple sources (transactions, KYC, AML, authentication, devices, logs, etc.).

  • Proficiency in SQL (PostGres preferred)

  • Design and maintain data model that support Financial Crime/Fraud detection, profiling, and entity resolution.

  • Implement data quality checks and ensure data reliability across environments.

  • Collaborate closely with Data Scientists, Analysts, Compliance, Operations and our Product/Feature teams to operationalize models and rules.

  • Utilize jobs, workflows, APIs and streaming to  manage large-scale data processing workloads.

  • Integrate with external systems (e.g. sanctions, ID&V, biometrics and authentication systems) to enrich risk and identity data.

  • Support automation and monitoring of ETL processes to improve operational efficiency.

Requirements

Must-Have:

  • Bachelor's degree.

  • 5+ years of experience

  • Strong skills in Python, PySpark, Scala and Advanced SQL (preferably PostGres)

  • Hands-on experience with Databricks, Snowflake, Fabric or similar

  • Experience working with structured and unstructured data in a production environment.

  • Experience with Agentic AI, MLFlow, ML models, Eval

  • Secure Coding practices – testing/QA

  • Comfortable with cloud-based data platforms (preferably AWS).

  • Good communication skills in English — able to collaborate with cross-functional teams in an international environment.

  • Proficiency in working with Text, Delta, Parquet, JSON, CSV, and XML data formats.

  • Working knowledge of Spark structured streaming.

  • AWS infrastructure experience, specifically working with S3.

  • Solid understanding of git-based version control, DevOps, and CI/CD.

  • Experience of working on Atlassian stack a plus.

  • Knowledge of common web API frameworks and web services.

  • Strong teamwork, relationship, and client management skills, and the ability to influence peers and senior management to accomplish team goals.

  • Willingness to embrace modern technology, best practice, and ways of work.

  • Nice to Have:

  • Experience in Financial Crime/AML, KYC, orfraud detection systems.

  • Familiarity with Entity Resolution frameworks (e.g., Quantexa, Sensing, open source Entity Resolution tools).

  • Experience with data streaming frameworks (Kafka, Spark Streaming, MQ).

Benefits

  • Be part of a mission-driven team tackling real-world financial crime problems.

  • Work with modern data tech stack with Agentic AI and advanced ML.

  • Hybrid working modelwith flexible hours.

  • International and collaborative culture — working with colleagues across Vietnam, Singapore, Philippines and South Africa.

  • Competitive salary, performance bonuses, and learning support.

  • Senior Data Scientist

    1 week ago

    Johannesburg, Gauteng, South Africa NTT Data Full time US$80 000 - US$160 000 per year

    Job SummaryThe Senior Data Scientist will lead the design, development, and deployment of advanced analytics and machine learning solutions that drive strategic decision-making and operational efficiency. This role requires a deep understanding of data science, data engineering, and AI concepts, and will play a pivotal role in embedding intelligent...

  • Senior Data Analyst

    1 week ago

    Johannesburg, Gauteng, South Africa NTT Data Full time US$60 000 - US$120 000 per year

    Role Summary:The Senior Data Analyst will play a pivotal role in transforming data into actionable insights that drive strategic decision-making across the organisation. This role requires a strong analytical mindset and proficiency in data visualisation. The ideal candidate will bridge the gap between data and business.Responsibilities:Develop and maintain...

  • Senior Associate Data Centre Technical Services Systems Integration Specialist L2

    6 days ago

    Johannesburg, Gauteng, South Africa NTT DATA, Inc. Full time

    Make an impact with NTT DATAJoin 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 DATAThe Senior...

  • Data Governance and Privacy Lead

    2 weeks ago

    Johannesburg, Gauteng, South Africa NTT DATA, Inc. Full time US$80 000 - US$160 000 per year

    Make an impact with NTT DATAJoin 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.Key Responsibilities:Collaborates...

  • Senior Technology Sales Specialist

    6 days ago

    Johannesburg, Gauteng, South Africa NTT DATA, Inc. Full time

    Make an impact with NTT DATAJoin 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 DATAAs a Senior Cross...

  • Senior Director, Product Owner: Compensation, Reward and Performance

    2 weeks ago

    Johannesburg, Gauteng, South Africa NTT DATA, Inc. Full time R1 500 000 - R3 000 000 per year

    Make an impact with NTT DATAJoin 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 DATAThe Senior...

  • Senior Azure Engineer

    2 weeks ago

    Johannesburg, Gauteng, South Africa NTT DATA, Inc. Full time

    Make an impact with NTT DATAJoin 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.We are looking for a highly...

  • Senior Business Development Specialist

    6 days ago

    Johannesburg, Gauteng, South Africa NTT DATA, Inc. Full time

    Make an impact with NTT DATAJoin 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 DATAAs a Senior...

  • Senior Azure Integrations Engineer

    2 weeks ago

    Johannesburg, Gauteng, South Africa NTT DATA, Inc. Full time

    Make an impact with NTT DATAJoin 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.We are looking for a highly...

  • Senior Manager Data Science

    6 days ago

    Johannesburg, Gauteng, South Africa Ovations Technologies Full time

    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...