284 Big Data Technologies jobs in Singapore

• Bachelor's or Master's degree in Data Science, Computer Science, Statistics, Engineering, or a related field.
• Experience as a Data Analyst or in a similar analytical/data science role.
• Strong proficiency in SQL for data querying and transformation.
• Advanced knowledge of Python for data analysis, automation, and ML workflows.
• Experience with deep learning frameworks such as TensorFlow, PyTorch, or Keras.
• Solid understanding of data validation, anomaly detection, and data quality principles .
• Hands-on experience with data visualization and reporting tools (e.g., Power BI, Tableau, Matplotlib, Seaborn).
• Familiarity with version control (Git), Jupyter notebooks, and working in collaborative environments.

The Engineering Lead Analyst is a senior level position responsible for leading a variety of engineering activities including the design, acquisition and deployment of hardware, software and network infrastructure in coordination with the Technology team. The overall objective of this role is to lead efforts to ensure quality standards are being met within existing and planned framework.

Responsibilities:

• Strategic Leadership: Define and execute the data engineering roadmap for Global Wealth Data, aligning with overall business objectives and technology strategy. This includes understanding the data needs of portfolio managers, investment advisors, and other stakeholders in the wealth management ecosystem.
• Team Management: Lead, mentor, and develop a high-performing, globally distributed team of data engineers, fostering a culture of collaboration, innovation, and continuous improvement.
• Architecture and Design: Oversee the design and implementation of robust and scalable data pipelines, data warehouses, and data lakes, ensuring data quality, integrity, and availability for global wealth data. This includes designing solutions for handling large volumes of structured and unstructured data from various sources.
• Technology Selection and Implementation: Evaluate and select appropriate technologies and tools for data engineering, staying abreast of industry best practices and emerging trends specific to wealth management data.
• Performance Optimization: Continuously monitor and optimize data pipelines and infrastructure for performance, scalability, and cost-effectiveness, ensuring optimal access to global wealth data.
• Collaboration: Partner with business stakeholders, data scientists, portfolio managers, and other technology teams to understand data needs and deliver effective solutions that support investment strategies and client reporting.
• Data Governance: Implement and enforce data governance policies and procedures to ensure data quality, security, and compliance with relevant regulations, particularly around sensitive financial data.

Qualifications:

• 10-15 years of hands-on experience in Hadoop, Scala, Java, Spark, Hive, Kafka, Impala, Unix Scripting and other Big data frameworks.
• 4+ years of experience with relational SQL and NoSQL databases: Oracle, MongoDB, HBase
• Strong proficiency in Python and Spark Java with knowledge of core spark concepts (RDDs, Dataframes, Spark Streaming, etc) and Scala and SQL
• Data Integration, Migration & Large Scale ETL experience (Common ETL platforms such as PySpark/DataStage/AbInitio etc.) - ETL design & build, handling, reconciliation and normalization
• Data Modeling experience (OLAP, OLTP, Logical/Physical Modeling, Normalization, knowledge on performance tuning)
• Experienced in working with large and multiple datasets and data warehouses
• Experience building and optimizing 'big data' data pipelines, architectures, and datasets.
• Strong analytic skills and experience working with unstructured datasets
• Ability to effectively use complex analytical, interpretive, and problem-solving techniques
• Experience with Confluent Kafka, Redhat JBPM, CI/CD build pipelines and toolchain – Git, BitBucket, Jira
• Experience with external cloud platform such as OpenShift, AWS & GCP
• Experience with container technologies (Docker, Pivotal Cloud Foundry) and supporting frameworks (Kubernetes, OpenShift, Mesos)
• Experienced in integrating search solution with middleware & distributed messaging - Kafka
• Highly effective interpersonal and communication skills with tech/non-tech stakeholders.
• Experienced in software development life cycle and good problem-solving skills.
• Excellent problem-solving skills and strong mathematical and analytical mindset
• Ability to work in a fast-paced financial environment

Education:

• Bachelor's degree/University degree or equivalent experience
• Master's degree preferred

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Job Family Group:

Technology

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Job Family:

Systems & Engineering

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi .

View Citi's EEO Policy Statement and the Know Your Rights poster.

We are seeking a highly proficient and results-driven Data Engineering Architect with a robust background in designing, implementing, and maintaining scalable and resilient data ecosystems. The ideal candidate will possess a minimum of five years of dedicated experience in orchestrating complex data workflows and will serve as a key contributor within our advanced data services team. This role requires a meticulous professional who can transform intricate business requirements into high-performance, production-grade data solutions.

• Architectural Stewardship: Design, develop, and optimize sophisticated data pipelines leveraging distributed computing frameworks to ensure efficiency, reliability, and scalability of data ingestion, transformation, and delivery layers.
• SQL Mastery: Act as a subject matter expert in SQL, crafting and refining highly complex, multi-layered queries and stored procedures for advanced data manipulation, extraction, and reporting, while ensuring optimal performance and resource utilization.
• Distributed Processing Expertise: Lead the development and deployment of data processing jobs using Apache Spark , orchestrating complex data transformations, aggregations, and feature engineering at petabyte-scale.
• Big Data Orchestration: Proactively manage and evolve our data warehousing solutions built on Apache Hive , overseeing schema design, partition management, and query optimization to support large-scale analytical and reporting needs.
• Collaborative Innovation: Work synergistically with senior engineers and cross-functional teams to conceptualize and execute architectural enhancements, data modeling strategies, and systems integrations that align with long-term business objectives.
• Quality Assurance & Governance: Establish and enforce rigorous data quality standards, implementing comprehensive validation protocols and monitoring mechanisms to guarantee data integrity, accuracy, and lineage across all systems.
• Operational Excellence: Proactively identify, diagnose, and remediate technical bottlenecks and anomalies within data workflows, ensuring system uptime and operational stability through systematic troubleshooting and root cause analysis.

• Educational Foundation: Bachelor's degree in Computer Science, Information Systems, or a closely related quantitative field.
• Experience: A minimum of five (5) years of progressive, hands-on experience in a dedicated data engineering or equivalent role, with a proven track record of delivering enterprise-level data solutions.
• Core Technical Skills:
  
  SQL: Expert-level proficiency in SQL programming is non-negotiable, including advanced query optimization, window functions, and schema design principles.

Distributed Computing: Demonstrated high-level proficiency with Apache Spark for large-scale data processing.

Data Warehousing: In-depth, practical experience with Apache Hive and its ecosystem.
- Conceptual Knowledge: Deep understanding of data warehousing methodologies, ETL/ELT processes, and dimensional modeling.
- Analytical Acumen: Exceptional problem-solving and analytical capabilities, with the ability to dissect complex technical challenges and formulate elegant, scalable solutions.
- Continuous Learning: A relentless curiosity and a strong desire to stay abreast of emerging technologies and industry best practices.
- Domain Preference: Prior professional experience within the Banking or Financial Services sector is highly advantageous.

1. Data Engineering & Platform Knowledge (Must)

• Strong understanding of Hadoop ecosystem: HDFS, Hive, Impala, Oozie, Sqoop, Spark (on YARN).

• Experience in data migration strategies (lift & shift, incremental, re-engineering pipelines).

• Knowledge of Databricks architecture (Workspaces, Unity Catalog, Clusters, Delta Lake, Workflows).

2. Testing & Validation (Preferred)

• Data reconciliation (source vs. target).

• Performance benchmarking.

• Automated test frameworks for ETL pipelines.

3. Databricks-Specific Expertise (Preferred)

• Delta Lake: ACID transactions, time travel, schema evolution, Z-ordering.

• Unity Catalog: Catalog/schema/table design, access control, lineage, tags.

• Workflows/Jobs: Orchestration, job clusters vs. all-purpose clusters.

• SQL Endpoints / Databricks SQL: Designing downstream consumption models.

• Performance Tuning: Partitioning, caching, adaptive query execution (AQE), photon runtime.

4. Migration & Data Movement (Preferred)

• Data migration from HDFS/Cloudera to cloud storage (ADLS/S3/GCS).

• Incremental ingestion techniques (Change Data Capture, Delta ingestion frameworks).

• Mapping Hive Metastore to Unity Catalog (metastore migration).

• Refactoring HiveQL/Impala SQL to Databricks SQL (syntax differences).

5. Security & Governance (Nice to have)

• Mapping Cloudera Ranger/SSO policies Unity Catalog RBAC.

• Azure AD / AWS IAM integration with Databricks.

• Data encryption, masking, anonymization strategies.

• Service Principal setup & governance.

6. DevOps & Automation (Nice to have)

• Infrastructure as Code (Terraform for Databricks, Cloud storage, Networking).

• CI/CD for Databricks (GitHub Actions, Azure DevOps, Databricks Asset Bundles).

• Cluster policies & job automation.

• Monitoring & logging (Databricks system tables, cloud-native monitoring).

7. Cloud & Infra Skills (Nice to have)

• Strong knowledge of the target cloud (AWS/Azure/GCP):

o Storage (S3/ADLS/GCS).

o Networking (VNETs, Private Links, Security Groups).

o IAM & Key Management. 9. Soft Skills

• Ability to work with business stakeholders for data domain remapping.

• Strong documentation and governance mindset.

• Cross-team collaboration (infra, security, data, business).

We're looking for Lead Data Engineer / Data Engineering Manager to join our client to lead the design and delivery of scalable, cloud-based data solutions. In this role, you'll work closely with cross-functional teams to solve complex data challenges, modernize infrastructure, and shape strategic data platforms from the ground up.

You'll drive technical direction, design reusable solutions, and influence best practices in data engineering and governance across high-impact projects.

What You'll Do

• Advise on data strategy, architecture, and implementation.
• Build and optimize data pipelines across cloud and on-prem environments.
• Develop secure, scalable infrastructure for structured and unstructured data.
• Design reusable data models and maintain metadata and lineage.
• Ensure governance, data quality, and access controls are in place.
• Support both greenfield builds and legacy modernization efforts.
• Mentor teams and contribute to internal capability development.

What You Bring

• Over 10 years of experience in data engineering, platform or cloud infrastructure.
• Expertise in cloud platforms (AWS, Azure, GCP) and distributed systems (Spark, Hadoop).
• Proficient in Python, SQL, Java, Scala.
• Experience with orchestration tools (e.g. Airflow, ADF) and DevOps (Docker, Git, Terraform).
• Familiarity with Databricks and real-time/batch data pipelines.
• Strong grasp of data governance, security, and compliance practices.
• Clear communicator with strong stakeholder management skills.
• Proven ability to lead, mentor, and drive technical alignment across teams.

For more information you can contact Norean Tan at

We regret to inform you that only shortlisted candidates will be notified / contacted.

EA Registration No.: R - Tan Lee Ying, Norean

iKas International (Asia) Pte Ltd

ROC No.: E | EA License No.: 16S8086

We are seeking a Data Engineering Specialist to design and develop scalable, fault-tolerant backend applications.

• The ideal candidate will have 4–10 years of experience in designing and building resilient data or computation-intensive systems.

Responsibilities include

• Implementing robust data pipelines and integration solutions handling large data volumes.
• Working across the full software development lifecycle — from requirement gathering to deployment and support.
• Contributing to the development of new data models, frameworks, and computational solutions.

• Strong programming skills in Java or Scala (willingness to learn the other).
• Solid understanding of data engineering, architecture, and modeling.
• Familiarity with cloud platforms (AWS, Azure, or GCP) and tools such as Databricks or Snowflake.
• Strong analytical and problem-solving mindset.
• Degree in Computer Science, Engineering, or a related field preferred.

We are seeking a Data Engineer to work in data engineering, analytics and data management. The successful candidate will be responsible for designing, developing and maintaining ETL pipelines using SSIS.

Key responsibilities include extracting data from various sources, transforming and cleaning data, loading data into target systems, optimizing ETL performance and supporting data migration and business intelligence/reporting needs.

We're looking for Lead Data Engineer / Data Engineering Manager to join our client to lead the design and delivery of scalable, cloud-based data solutions. In this role, you’ll work closely with cross-functional teams to solve complex data challenges, modernize infrastructure, and shape strategic data platforms from the ground up.

You’ll drive technical direction, design reusable solutions, and influence best practices in data engineering and governance across high-impact projects.

What You’ll Do

• Advise on data strategy, architecture, and implementation.
• Build and optimize data pipelines across cloud and on-prem environments.
• Develop secure, scalable infrastructure for structured and unstructured data.
• Design reusable data models and maintain metadata and lineage.
• Ensure governance, data quality, and access controls are in place.
• Support both greenfield builds and legacy modernization efforts.
• Mentor teams and contribute to internal capability development.

What You Bring

• Over 10 years of experience in data engineering, platform or cloud infrastructure.
• Expertise in cloud platforms (AWS, Azure, GCP) and distributed systems (Spark, Hadoop).
• Proficient in Python, SQL, Java, Scala.
• Experience with orchestration tools (e.g. Airflow, ADF) and DevOps (Docker, Git, Terraform).
• Familiarity with Databricks and real-time/batch data pipelines.
• Strong grasp of data governance, security, and compliance practices.
• Clear communicator with strong stakeholder management skills.
• Proven ability to lead, mentor, and drive technical alignment across teams.

For more information you can contact Norean Tan at

We regret to inform you that only shortlisted candidates will be notified / contacted.

EA Registration No.: R - Tan Lee Ying, Norean

iKas International (Asia) Pte Ltd

ROC No.: E | EA License No.: 16S8086

Company description:

Changi Airport Group (CAG) is the manager of Singapore Changi Airport, a leading air hub in Asia and one of the world's most awarded airports. As airport manager, CAG performs the key functions of airport operations, air hub development, retail and commercial activities, infrastructure development and airport emergency services. CAG also manages Seletar Airport, and through its subsidiary, Changi Airports International, it takes Changi's presence beyond Singapore's shores through consultancy projects and investments in foreign airports. Come join us today

Job description:

Changi Airport Group (CAG) is seeking dynamic and motivated individuals to join the Innovation and Process Enhancement team within the Engineering & Development Cluster (E&D). As a key player in the aviation industry, CAG is committed to leveraging cutting-edge technologies and fostering creativity to enhance engineering systems and processes, ultimately contributing to the continuous improvement of the airport experience.

As a Data & IoT Engineer at CAG E&D, you will play a crucial role in developing digital solutions for asset management transformation and digital twins. Join our in-house software development and maintenance team to formulate strategies, design architectures, and implement innovative solutions utilising IoT, data analytics, and predictive maintenance capabilities. Additionally, you will conduct engineering innovation trials and explore new technologies to improve operations and maintenance outcomes.

Key Responsibilities:

• Work with our engineering system maintenance teams to install sensors for data acquisition, apply engineering/ asset management fundamentals and data engineering and analytics techniques for real-time condition monitoring and to achieve predictive maintenance.
• Formulate strategies and architecture, and propose/ review technical requirements for IoT management, engineering data management, and visualisation to support the implementation of planned smart initiatives (e.g. digital tools, digital twins), ensuring compliance with cybersecurity requirements.
• Manage, maintain, and optimise the performance of E&D's common IoT, data storage, and visualisation platforms for non-proprietary engineering systems.
• Onboard sensors, program controllers, configure IoT platform, clean incoming sensor data, manage API, process and analyse data, draw insights, develop and configure engineering systems' graphic user interface/ dashboard, conduct testing and quality assurance.
• Consult internal and external stakeholders, formulate cluster-wide strategies/ policies, develop and validate use cases and hypotheses, propose and test ideas, and implement engineering innovation projects.
• Contribute to E&D's Innovation Programme Management Office by strategising, planning, organising events/ programs, and driving innovation efforts within E&D and with the corporate innovation team.

Requirements:

• Good degree in Engineering or related disciplines.
• Proven experience in IoT platform management and cloud services (AWS), with a focus on IoT, data analytics, and engineering data management.
• Strong proficiency in back-end languages and frameworks (e.g. C#, Python) and database management (e.g. PostgreSQL, MySQL).
• Knowledge of front-end languages, libraries and frameworks (e.g. HTML/ CSS, JavaScript, XML, React, Angular, jQuery) and visualisation tools (e.g. OutSystems, Splunk) is a plus.
• Familiarity with asset management, digital twins, and predictive maintenance concepts.
• Understanding of cybersecurity principles and the ability to implement secure solutions.
• Excellent problem-solving skills and the ability to work independently or collaboratively within a team.
• Proactive mindset and a passion for innovation in technology, programming, sensor instrumentation, and solution integration.
• Strong communication skills, both written and verbal.
• Prior experience in the aviation or transportation industry is a plus.

If you are ready to be part of a forward-thinking team that shapes the future of airport engineering, we invite you to apply and contribute to CAG's commitment to excellence and innovation.