Data Engineer | Disa-Dia-De-Jhb-0058

Decision Inc.

Johannesburg

On-site

ZAR 900,000 - 1,500,000

Full time

8 days ago
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Job summary

Decision Inc. seeks talented Data Engineers to join our Data, Information, and Analytics practice as client-facing consultants.

You will design and build modern data platforms, lead delivery across diverse industries, and help our clients become genuinely data-driven businesses. You will work across the full engineering lifecycle, from architecture and pipeline development to mentoring junior colleagues and contributing to pre-sales engagements.

Qualifications

  • 3–5 years of hands-on experience in data engineering.
  • Strong proficiency in Python and/or SQL, including query optimisation and working with both relational and non-relational databases.
  • Experience designing and building data pipelines, data models, and lakehouse architectures (medallion pattern).
  • Practical experience with cloud platforms: Microsoft Azure, AWS, or GCP.
  • Familiarity with Databricks, Snowflake, Delta Lake, and PySpark.
  • Understanding of data transformation frameworks such as dbt.
  • Experience with Git and CI/CD practices for data workflows.
  • Strong analytical skills and stakeholder engagement abilities.

Responsibilities

  • Design and build scalable data platforms using modern cloud-native and Lakehouse architectures.
  • Develop and optimise data pipelines using Python, SQL, and tools such as Azure Data Factory, AWS Glue, Google Cloud Dataflow, Databricks, and dbt.
  • Modernise legacy data environments, migrating to cloud-native platforms like Fabric, Synapse, Redshift, BigQuery, or Databricks.
  • Engage with clients to conceptualise data solutions aligned to business strategy.
  • Support pre-sales activities, proof-of-concept deliveries, and technical proposals.
  • Provide technical guidance and mentorship to junior consultants.
  • Lead technical reviews and contribute to growth plans.

Skills

Python
SQL
Data pipelines
Cloud platforms
Databricks
Snowflake
Delta Lake
PySpark
Git
CI/CD
Stakeholder engagement
Communication

Education

Bachelor's degree in CS/IT/IS
Master's degree advantageous

Tools

Azure Data Factory
ADLS Gen2
Synapse Analytics
Fabric
AWS Glue
S3
Redshift
BigQuery
Dataproc
Databricks
dbt
Terraform
Bicep
AWS CDK
Pulumi

Job description

Decision Inc. is seeking talented Data Engineers to join our Data, Information, and Analytics practice as client-facing consultants. You will design and build modern data platforms, lead delivery across diverse industries, and help our clients become genuinely data-driven businesses.

You will work across the full engineering lifecycle, from architecture and pipeline development to mentoring junior colleagues and contributing to pre-sales engagements. A passion for data, a curiosity for new technologies, and the ability to adapt quickly to different business environments are essential.

Who Are We?

Decision Inc. is a global digital partner that enables businesses to reinvent themselves to realise their full potential.

We deliver agility, resilience, and intelligence to any enterprise, enabling them to adapt quickly and thrive through innovation and opportunity. Our teams have engaged with more than 400 clients globally over the past 15 years, providing them with the expertise to build, operate, and optimise their digital businesses.

We achieve this by leveraging the world's best technology to drive our client's business ambitions forward into tomorrow's reality. These technologies include but are not limited to: Microsoft, SAP, Qlik, Snowflake, Alteryx, Automation Anywhere, and Workday Adaptive Insights.

Our success is ultimately driven by our entrepreneurial culture, industry exposure, and the passion of our people. We have three key cross-functional teams – Functional and Specialist Consulting, Development, and Engineering teams. Based in four global offices, our exceptional consultants focus on delivering value to clients by keeping them at the centre of our service delivery. To find out more about our exciting fast-paced culture visit: Careers at Decision Inc.

What Will You Do?
Key Responsibility:
  • Design and build scalable data platforms using modern cloud-native and Lakehouse architectures
  • Develop and optimise data pipelines using Python, SQL, and tools such as Azure Data Factory, AWS Glue, Google Cloud Dataflow, Databricks, and dbt
  • Modernise legacy data environments, migrating from on-premises solutions to cloud-native platforms such as Microsoft Fabric, Azure Synapse Analytics, AWS Redshift, Google BigQuery, or Databricks
  • Engage with clients to conceptualise data solutions aligned to their business strategy
  • Support our sales team with pre-sales activities, proof-of-concept deliveries, and technical proposals
  • Provide technical guidance and mentorship to junior and intermediate consultants
  • Lead technical reviews and contribute to consultants' growth plans
  • Identify opportunities to automate manual processes, optimise data delivery, and improve infrastructure scalability
  • Work with stakeholders, including executive, product, and analytics teams, to address data infrastructure needs
  • Drive knowledge sharing through technical blogs, internal forums, and workshops
  • Balance billable project work with team support responsibilities
Who Do You Need to Be?
Intermediate (3–5 years' experience)
  • 3–5 years of hands-on experience in data engineering
  • Strong proficiency in Python and/or SQL, including query optimisation and working with both relational and non-relational databases
  • Experience designing and building data pipelines, data models, and lakehouse architectures (medallion pattern)
  • Practical experience with one or more cloud platforms: Microsoft Azure (Data Factory, ADLS Gen2, Synapse Analytics, Fabric), AWS (Glue, S3, Redshift, EMR), or GCP (Dataflow, BigQuery, Cloud Storage, Dataproc)
  • Familiarity with Databricks, Snowflake, Delta Lake, and PySpark
  • Understanding of data transformation frameworks such as dbt
  • Experience with version control (Git) and CI/CD practices for data workflows
  • Strong analytical skills and the ability to perform root cause analysis on complex data problems
  • Good communication and stakeholder engagement skills
Senior (6–8+ years' experience)
  • 6–8+ years of hands-on experience in data engineering
  • All of the above, plus demonstrable experience leading end-to-end platform delivery
  • Experience architecting enterprise-grade lakehouses and data mesh patterns
  • Proficiency with infrastructure-as-code tools (Terraform, Bicep, AWS CDK, or Pulumi) and DevOps pipelines
  • Proven ability to work with cross-functional teams in a dynamic consulting environment
  • Track record of mentoring junior engineers and contributing to technical strategy
Qualifications
  • Bachelor's degree in computer science, Information Systems, Information Technology, or a related field
  • A master's degree in a relevant field is advantageous
Certifications
Primary certifications – one or more:
DP-700

Microsoft Fabric Data Engineer Associate

DP-203

Microsoft Azure Data Engineer Associate

Databricks DE Associate

Databricks Certified Data Engineer Associate

Google Professional

Professional Data Engineer (GCP)

AWS DEA-C01

AWS Certified Data Engineer – Associate

Databricks DE Professional

Databricks Certified Data Engineer Professional

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