Lead Data Specialist

Lead Data Specialist (Full stack Data Science & Data Engineer)

Federal Territory of Kuala Lumpur, Malaysia

Worldline helps businesses of all shapes and sizes to accelerate their growth journey - quickly, simply, and securely. We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid. Our technology powers the growth of millions of businesses across 5 continents. And just as we help our customers accelerate their business, we are committed to helping our people accelerate their careers. Together, we shape the evolution.

The Opportunity

We are seeking a Lead Data Specialist with a strong hands‑on background in data engineering to spearhead our advanced analytics and AI initiatives. This is a pivotal leadership role for a hands‑on expert who is passionate about building sophisticated machine learning models and shaping the data landscape they rely on You will be the founding specialist of our data team, responsible for setting the technical vision, mentoring future members, and acting as the critical bridge between our data science / engineering efforts and business‑facing AI applications.

Day‑to‑Day Responsibilities

• Contribute within a team of AI leads, executing the data science roadmap, aligning with the business goal of delivering hyper‑personalized customer experiences.
• Lead the full lifecycle of machine learning projects—from ideation and data discovery to model deployment, monitoring, and iteration.
• Mentor and guide other engineers and future developers, establishing best practices for modeling, code quality, and project execution.
• Advanced Modeling & Analytics :
• Develop and implement a range of machine learning models (e.g., engines, customer segmentation, propensity models, transaction fraud detection).
• Perform complex exploratory data analysis to identify key patterns and features that will drive business value.
• Translate complex business challenges into precise data science problems and deliver scalable, statistically robust solutions.
• Design, develop, and maintain scalable, high‑performance data pipelines and ETL processes to ingest, process, and transform large data sets from various sources into usable formats that meet business needs.
• Collaborate with LLM engineers to understand their data requirements and provide efficient data solutions to support their models.
• Work with a team of AI engineers, product developers and network engineer to deliver end‑to‑end AI projects, from concept to production.
• Collaborate with product, engineering, and business teams to identify opportunities for AI integration and innovation.
• Data Infrastructure, Data lakehouse & Deployment :
• Support AI team to manage scalable AI infrastructure, ensuring efficient resource utilization and performance optimization.
• Jointly conduct capacity planning to support AI and data analytics workloads, on premise and cloud.
• Architect and implement robust cloud‑based data solutions using technologies such as AWS (S3, Redshift, Glue), Azure (Data Lake, Synapse), or Google Cloud (BigQuery, Dataflow).
• Work with big data technologies such as Apache Hadoop, Spark, Kafka, and NoSQL databases (e.g., MongoDB) to efficiently handle large‑scale data processing.
• Support the optimization of AI and data pipeline workloads using best practices (CI / CD, model versioning, monitoring, drift detection).
• Implement APIs and microservices for seamless integration into enterprise applications.
• Ensure data infrastructure and data management tools / platform aligns with security, compliance, and regulatory requirements (PCI‑DSS, GDPR).
• Familiar with IBM i and z, especially on managing datalake and deploying datawarehouses.
• Data Quality, Governance & Automation :
• Ensure data quality, integrity, and security throughout the data lifecycle by creating and enforcing data governance policies.
• Optimize ETL / ELT jobs and data pipelines for improved performance and scalability.
• Monitor, evaluate, and optimize pipelines (through AI agents usage) for continuous improvement and operational excellence.
• Implement data quality checks and validation processes.
• Develop and maintain data monitoring and alerting systems.
• Implement and maintain data governance.
• Establish the processes and tooling for deploying, monitoring, and maintaining machine learning models in a production environment to ensure reliability and performance.
• Technology & Innovation :
• Mentor and guide junior data scientists and engineers.
• Collaborate with AI engineers, business analysts, and other stakeholders to identify data needs and deliver solutions that meet business objectives.
• Stay updated with industry trends and emerging technologies to enhance data service practices within the organization.

What are we looking for

We look for big thinkers. People who can drive positive change, innovate, step up and show what's next – people with passion, can‑do attitude and a hunger to learn and grow. In practice this means :

Qualifications & Skills

Benefits

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Information Technology

Industries

Banking and IT Services and IT Consulting

Learn more about life at Worldline at jobs.worldline.com

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