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Senior Data Scientist (product owner)

X,biglylabs|Posted 22 hours ago

Skills and experience

Role:Data scientist
Other roles:Data analyst, Product owner, Machine learning engineer
Experience in role:5+ years
Language proficiency:English
Must-have skills:
    Python
    PySpark
    SQL

Location and salary

Remote policy:Hybrid
Location of job:Johannesburg, South Africa
Visa requirements:Authorised to work in South Africa With status of citizen/passport holder
Visa sponsorship:Unable to sponsor visa
Employment type:Permanent

Role description

Join our team as a Senior Data Scientist/Lead and lead problem-driven, data-powered initiatives that unlock measurable commercial value. You'll partner closely with commercial leaders to identify high-impact opportunities, shape analytical solutions, and iterate toward outcomes. In this role, you'll guide a squad and champion best practices in discovery, experimentation, and decision science — driving meaningful change, not just delivering models.

Leadership & Business Skills (30–40%)

Lead a squad and collaborate with business stakeholders

Product ownership for promotions use case

Technical Skills (60–70% of role)

Python, PySpark, advanced model building

Problem-solving within the code

Experience

Proven track record leading implementation & rollout of multiple use cases to end-users

Strong execution background, operationalizing models (e.g., promo optimization models)

We're looking for a collaborative, low-ego professional with a strong foundation in applied machine learning, statistics, and experimentation techniques. You'll own end-to-end problem spaces, from opportunity framing to delivery of measurable impact. Your responsibilities will include guiding discovery work, leading the development of scalable analytics solutions, mentoring junior team members, and collaborating closely with cross-functional teams.

We offer a hybrid work model and the opportunity to make a significant impact in the retail sector. You'll be part of a culture that values continuous improvement, where results are measured, challenged, and refined over time. If you're a self-starter with a bias toward action and learning, comfortable with ambiguity, and excited about translating data into business outcomes, we want to hear from you!

About X,biglylabs

51-200 employees

What We Do🚀

We build breakthroughs to better health.

X, biglylabs is Dis-Chem’s high-performance innovation hub, where bold ideas meet data, design, and radical customer focus. We’re here to power the future of healthcare—lowering costs, improving outcomes, and unlocking new possibilities.

Our team is obsessed with one big question: 👉 How can we use data and tech today to improve lives tomorrow?

From retail and pharmacy to clinics, insurance and beyond—we’re applying machine learning and smart systems to reimagine healthcare pathways and create personalised experiences at scale.

Here, your work doesn’t sit in a notebook or on a whiteboard. It becomes real. It shapes decisions. It improves lives.

And we do it all the Bigly way - questioning, challenging, and building audaciously, together.

Welcome to Bigly Labs. This is health tech, reimagined.

Why Work For Us🌍

We’re not just another team of techies, we’re catalysts for change. At X,biglylabs, our culture isn’t just a set of words, it’s how we work, think, and win together. Every day, we live by six pillars that guide everything we do:

✨ Fix the Friction – spot what’s slowing us down and make it better. ✨ Own Your Outcome – take full responsibility and deliver results that matter. ✨ Make It Make Sense – simplify, clarify, and communicate clearly. ✨ Bring the Energy – show up with focus, drive, and positivity. ✨ Hold the Spaceship – protect the mission, the team, and the big picture. ✨ What Shifts – stay curious, question assumptions, and drive change.

We move fast, think sharp, and take full ownership of our craft. Our mission is huge: to transform South Africa’s healthcare system, and scale our impact across Africa and beyond.

We’re looking for high-performing engineers, analysts, and product thinkers who want to leave their mark. If you’re passionate about solving hard problems with smart people, you’ll thrive here.

Think you’ve got the energy, the curiosity, and the guts? Stay close - BIGLY things are ahead. 💥

Perks at X,biglylabs

Hybrid Working Enviroment
Short Term Incentive Programme
Design forward work space in Melrose Arch
Being part of the digital healthcare revolution in SA
Discounted daily breakfast and lunch
Medical aid plan
Loyalty dischem card with staff discounts
Moove discounted gym membership

Tech Stack

application and data

Rails
Rails
AngularJS
AngularJS
Heroku
Heroku
PostgreSQL
PostgreSQL
Node.js
Node.js
Python
Python
Ruby
Ruby
React
React
Redis
Redis
Django
Django
Microsoft Azure
Microsoft Azure
MS SQL
MS SQL
TypeScript
TypeScript
Angular
Angular
Flutter
Flutter
React Native
React Native
Apache Spark
Apache Spark
Amazon Web Services
Amazon Web Services

utilities

Google Analytics
Google Analytics
Tableau
Tableau
Power BI
Power BI

dev ops

GitHub
GitHub
Git
Git
Docker
Docker
Kubernetes
Kubernetes
Terraform
Terraform

business tool

Slack
Slack
Greenhouse
Greenhouse
JIRA
JIRA
Microsoft Sharepoint
Microsoft Sharepoint
Microsoft Teams
Microsoft Teams
Confluence
Confluence
Miro
Miro

Office Photos

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Office photo
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