Assistant Manager / Manager, Data Scientist

WeLab

Hong Kong

On-site

HKD 520,000 - 860,000

Full time

6 days ago

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Benefits offered by this job

Learning stipend

Wellness & flexible time off

Open plan office with free food &drink

Job summary

WeLab in Hong Kong is seeking an experienced Data Scientist / ML Engineer to design and deploy predictive models for banking products. You will analyze large datasets, perform feature engineering, and push models into production with MLOps practices.

Experience with Generative AI, NLP, and cloud ML platforms is highly valued. The role offers opportunities to collaborate with Product, Marketing, Risk and other teams, delivering data-driven solutions that impact business outcomes.

Qualifications

Degree in a quantitative field (CS/DS/Math).
3–5 years of hands-on data science or ML experience.
Experience in banking/fintech is a plus (credit scoring, fraud, pricing).
Strong Python and SQL skills with ML frameworks.
Experience w/ big data processing and cloud ML platforms.

Responsibilities

Design, develop, and enhance predictive models and pricing solutions.
Analyze large datasets to improve model performance and outcomes.
Deploy ML models in production and support MLOps practices.
Explore Generative AI and NLP—LLMs, sentiment analyses, automation.
Feature engineering, model tuning, validation, and fairness checks.
Collaborate with Product/Marketing/Risk to translate needs into data solutions.
Build dashboards to communicate model results and insights.

Skills

Python

SQL

Machine Learning

Big Data

Pandas

Scikit-learn

XGBoost

TensorFlow

PyTorch

Spark/PySpark

Cloud ML

MLflow

Git

Education

Bachelor’s or Master’s degree in Computer Science, Data Science, Statistics, Mathematics, or similar

Tools

Scikit-learn

XGBoost

TensorFlow

PyTorch

Spark/PySpark

AWS SageMaker

Google Cloud Vertex AI

MLflow

Git

Job description

WeLab, a leading pan-Asian fintech platform, operates two digital banks (WeLab Bank and Bank Saqu) as well as multiple online financial services in Hong Kong, Mainland China and Indonesia, with over 70 million individual users and over 700 enterprise customers. WeLab uses game-changing technology to help users access credit, save money, and enjoy their financial journey.

AtWeLab, we always put our people first. Embarking on a career withWeLabmeans being part of the driving force to make financial services accessible for everyone. In our flat and agile organization, you will get all the opportunities to make real impacts and deliver change. Most importantly, while you achieve greatness, we will ensure you have an amazing experience atWeLab!

Our team is energetic and passionate who can deliver and execute, and we are looking for intellectually curious, open-minded, and smart-working individuals who are just as passionate as we are about making financial services enjoyable.

Join us to build a better financial future for everyone!

About You

You're a go-getter with mad juggling skills (or multiple hats) who can thrive in a fast-paced, agile environment
You enjoy doing purpose-led and meaningful work
You have a strong thirst for knowledge and are driven to find solutions that don't exist yet
You are comfortable with ambiguity and extremely resourceful (in your past life, you could've been a detective)
You always find a way to get things done without sacrificing the quality of your work, integrity, and values
No task is off limits for you
You are humble and prioritize the success of the team over your own with an eagerness to help those around you
You don't shy away from challenges and can bounce back from setbacks

What you'll do and what success looks like

Design, develop, and enhance predictive models, pricing solutions, recommendation engines, and automation tools to support a range of banking products and services
Perform deep-dive analysis on large and complex datasets to identify trends, patterns, and key features that improve model performance and business outcomes
Support the deployment of machine learning models into production and contribute to MLOps practices, including model versioning, monitoring, and ongoing performance management
Explore and implement Generative AI and NLP solutions, including Large Language Models (LLMs), sentiment analysis, and automated document processing
Conduct feature engineering, hyperparameter tuning, model validation, and bias assessment to enhance model accuracy, robustness, and fairness
Partner closely with Product, Marketing, Risk, and other business teams to translate business needs into practical, data-driven solutions
Develop dashboards and visualizations to communicate model performance, analytical findings, and actionable insights to stakeholders

What we're looking for

Bachelor’s or Master’s degree in Computer Science, Data Science, Statistics, Mathematics, or another relevant quantitative discipline
3 to 5 years of hands-on experience in Data Science, Machine Learning, or a related analytical role
Prior experience or strong interest in banking or fintech is an advantage, particularly in areas such as credit scoring, fraud detection, pricing, customer analytics, or customer lifetime value
Strong proficiency inPython and SQL, with hands-on experience using machine learning frameworks and libraries such as Scikit-learn, XGBoost, TensorFlow, or PyTorch
Practical experience withSpark/PySpark or other big data technologies for processing and analyzing large-scale datasets
Familiarity with cloud-based machine learning platforms such as AWS SageMaker or Google Cloud Vertex AI, together with exposure to MLOps tools and practices such as MLflow and Git
Strong analytical and problem-solving skills, with the ability to work through ambiguity and translate complex data into practical solutions.
Candidates with less experience may be considered for the Assistant Manager level

Will be great if you have

Experience in digital banking, virtual banking or fintech environments.
Experience leading workflow automation, digital transformation or operational excellence initiatives.
Experience managing system enhancement projects and UAT activities.
Familiarity with capacity planning, productivity management and workforce optimization.
Experience managing cross-border teams will be an advantage.
Experience using AI-powered productivity tools, workflow automation platforms, data analytics solutions or emerging technologies to improve operational performance.
Demonstrated ability to leverage technology and innovation to drive operational transformation and customer experience enhancement.

Perks and Benefits to enrich your experience at WeLab

Learning and development stipend - we value lifelong learning and believe the best way to invest in our employees is to encourage them to continue to learn
Wellness and happiness - Numerous activities to let you focus on your physical and mental wellbeing. We allow flexible time offs to take care of personal matters and to enjoy time with family and friends
Comfortable and positive work environment - Open plan office for easy collaboration and social with your colleagues, or branch out into your own thinking pods when needed, with FREE food and drinks for when you want to recharge
Work smart, play hard - Connect with your colleagues over food and drinks at the stocked pantry, in the spacious social area with board games and a ping pong table, or over activities like hiking, yoga, badminton, etc.
A big and contagious smile on everyone's face to make you happier

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