Data Scientist

Combuilder Pte Ltd; Hong Kong; On-site; HKD 420,000 - 750,000; Full time

Job summary

Combuilder Pte Ltd in Hong Kong is seeking a Data Scientist to design and implement cohesive data integration and advanced analytics solutions across structured and unstructured data.

You will support mission-critical initiatives including predictive modelling, forecasting, NLP/text mining, and optimization within regulated and public-sector contexts, collaborating with clients and stakeholders to translate complex problems into scalable data products.

Qualifications

• Bachelor's or master's degree in Computer Science, Mathematics, Statistics, Business Analytics or equivalent.
• 1-10 years' experience in data science and data analytics fields.
• Proven experience in data processing, feature selection, hyper-parameter optimization, model validation and visualization.
• Proven experience in AWS SageMaker, Amazon Quick Sight, Python (e.g., Pandas, NumPy/SciPy, Scikit-Learn, XGBoost, pyspark, etc) and other related tools.
• Experience with Agentic AI/Generative AI (LLM-based solutions) is an advantage.
• Strong SQL skills with experience working on relational data models and large datasets.
• Experience in production software engineering routines such as test-driven development, code versioning with Git, code reviews, and CI/CD.
• Demonstrated ability to engage business stakeholders and lead data or analytics requirement workshops.
• Excellent communication skills; both in written and spoken English.

Responsibilities

• Primarily responsible for applying data analysis and analytics knowledge to deliver client engagements within our Data and Analytics practice.
• Develop and manage the end-to-end lifecycle of analytics projects from requirements to deployment and monitoring.
• Lead or support workshops translating business needs into analytical specifications.
• Propose, implement, and validate data science models with explainability, scalability, and integration considerations.
• Participate in software development processes and document requirements and code.
• Produce high quality client-ready deliverables and content.
• Drive assigned modules or workstreams with minimal supervision in fast-paced projects.
• Prepare data development artefacts and technical documentation for governance and audit.

Skills

Data analysis

Feature selection

Hyper-parameter optimization

Model validation

SQL

Stakeholder engagement

Analytical problem solving

Communication skills

English proficiency

Education

Bachelor's or Master's in CS/Math/Statistics/Analytics

Tools

AWS SageMaker

Amazon QuickSight

PySpark

Python (Pandas, NumPy, SciPy, scikit-learn, XGBoost)

Git

Job description

The Data Scientist will design, develop and implement cohesive data integration and advanced analytics solutions involving both structured and unstructured data. The role supports mission-critical initiatives, including predictive modelling, forecasting, operations research (optimization), text mining and network analytics, particularly within regulated and public-sector environments.

Job Responsibilities

• Primarily responsible for applying the skills and knowledge gained about data analysis, analytics, data science to ensure the successful delivery of client engagements and initiatives within our Data and Analytics practice.
• Develop and manage the end-to-end lifecycle of analytics projects from requirement gathering, data scoping, modelling to production (model deployment and monitoring).
• Lead or support data requirement and analytics use-case workshops with business and technical stakeholders, translating business needs into clear analytical, data, and success metrics specifications.
• Attend and assist in facilitating project meetings / workshops with client stakeholders.
• Propose, implement, and validate data science models, ensuring functional and non-functional requirements such as explainability, fairness, scalability, security, integration and operational costs.
• Participate actively in software development processes and best practices, documentation of requirements and software codes during the software development lifecycle.
• Produce high quality client-ready deliverables/document, with-ready-to-use content.
• Independently drive assigned modules or workstreams with minimal supervision in a fast-paced project environment.
• Prepare user requirements, data development artefacts and technical documentation in accordance with governance and audit requirements.
• Proactively research client business context, industry trends and functional domains, including public sector and government ecosystems, to stay current and relevant.
• Contribute to the development of reusable project assets such as templates, analytical frameworks, processes, reports and presentation materials.
• Perform end-to-end testing and validation of migrated applications, including test design, execution, automation, defect management, and reporting to ensure successful migration outcomes.

Job Requirements

• Bachelor's or master's degree in Computer Science, Mathematics, Statistics, Business Analytics or equivalent.
• 1-10 years' experience in data science and data analytics fields.
• Proven experience in data processing, feature selection, hyper-parameter optimization, model validation and visualization.
• Proven experience in AWS SageMaker, Amazon Quick Sight, Python (e.g., Pandas, NumPy/SciPy, Scikit-Learn, XGBoost, pyspark, etc) and other related tools.
• Experience with Agentic AI/Generative AI (Large Language Model (LLM)-based solutions, including Retrieval-Augmented Generation, knowledge assistants, document intelligence, and conversational analytics), and modern data platform is an advantage.
• Preferred hands-on experience in data engineering, including data ingestion, transformation, pipeline development and working with data platforms or warehouses.
• Strong SQL skills with experience working on relational data models and large datasets.
• Experience in production software engineering routines such as test-driven development, code versioning with Git, conducting code reviews, and CI/CD.
• Familiar with object-oriented programming concepts and their application to data science pipelines.
• Demonstrated ability to engage business stakeholders and lead data or analytics requirement workshops, translating complex business problems into actionable data solutions.
• Deep and eager interest in emerging technologies and the ability to leverage the technologies into solutions to meet our strategic and operational client needs.
• A self-starter with an analytical approach to problem solving.
• A client-centric, outcome driven and quality focused team player.
• Detailed oriented and is able to work in fast paced and agile environment.
• Excellent communication skills; both in written and spoken English.