MID-SEMESTER EXAM
ACADEMIC YEAR 2025/2026
South Tangerang Institute of Technology - ITTS

Meski engkau terus duduk dikursi empuk yang sama disepanjang kariermu, tetap saja engkau harus banyak memiliki keahlian baru.

To get to know me better

Education

Personal Details

I am David, a Technical Consultant with experience in designing, building, and managing Enterprise Data Warehouse, Data Lakehouse, and Business Intelligence architectures.

Full Name: David Andriansyah
Place, Date of Birth: Jakarta, *** **, 19**
Language Abilities: Indonesian, English
Email : a*******d@gmail.com
Phone / WA : 08**-****-****

[David Andriansyah]

Technical Consultant

Data & Analytics

Education

Vocational School

SMK BUNDA KANDUNG

Production Machines - 1997

College

STMIK Jakarta (STI & K)

D3 - Computer Engineering - 2000

ITTS College

Institut Teknologi Tangerang Selatan

S1 - Information Systems - 2025

Courses & Trainings

Knowledge and Skills

Key Qualification Area

Data Warehouse System & Business Intelligence or Analytical System, system analysis and design, software application development, database application programming (client-server), data warehouse concept and implementation, system development experienced in developing application in area of operational report, inventory and warehouse, database administration (RDBMS), experienced in Administering MySQL & IBM DB2 BLU.

Operating System
Windows UnixLinux
Programming Language
SQLPL/SQL ShellScriptPythonJavascriptHTML/CSSPHP
Database Systems
OracleIBM DB2 BLU SQL ServerTeradataPostgreSQLMySQLBigQuery
ETL Tools
ODIIBM Infosphere DataStagePentaho Data IntegrationApache HOP Talend Data StudioMicrosoft SSIS
BI Tools
OBIEEIBM Cognos AnalyticsTableauMicrostrategy ONEPower BIApache SupersetLooker

Work Experiences

PT FISClouds
2025 – Present
Data Mart Lead

Data Lakehouse implementation using Google Cloud Platform (GCP) for Bank clients in Indonesia.

PT Simian Tech
2014 – 2024
Data Engineer Lead

Leading a team of data engineers for handling regulatory systems for banking applications, and DWH & BI system.

PT Xsis
2011 – 2014
Technical Consultant

Perform system analysis, large-scale corporate data integration, and automate operational reporting.

PT Solusi 247
2007 – 2011
Technical Consultant

Focus on database engine optimization, DBA MySQL, Replication & Cluster administration, IBM Cognos BI.

Project Experiences

  • Data Lakehouse (DLH)

    Feb 2025 – Present

    Project Description: Data Lakehouse Implementation on GCP (Google Cloud Platform).
    Tools: GCS, STS, VM Instances, Cloud Dataform, Cloud Composer (Airflow), Cloud Data Fusion, BigQuery, Python, ShellScript.
    Client: Bank Danamon Indonesia (BDI), Jakarta.

    As a Data Mart Lead, my primary tasks involve designing, building, and managing data marts to support specific business unit needs, ensuring data quality, and facilitating efficient data analysis and reporting.

    • Data Mart Design and Planning
    • Collaborate with stakeholders to understand their specific analytical requirements and identify the data sources needed for the data mart. Determine the boundaries of the data mart, including the specific business functions or departments it will serve. Identify and assess the relevant data sources, ensuring data quality and consistency. Determine the specific data subset that will be included in the data mart, considering the needs of the target users. Design the logical and physical structure of the data mart, including schema, tables, and relationships. Plan the Extract, Load, and Transform (ELT) process for moving data into the data mart, including data cleaning, transformation, and loading.
  • Lead Data Engineer

    Jun 2023 – Oct 2024

    As a lead data engineer who supervises 15 data engineers and 10 support team members to carry out regulatory application support work and data warehouse & business intelligence systems

    • Responsibilities/Contribution & Accomplishment:
    • Designing and implementing ETL (Extract, Transform, Load) processes. Perform design and implementation of various complex data flows to connect operational systems, data for analytics and business intelligence (BI). Sharing opportunities to reuse existing data flows between teams. Identifying inconsistencies and resolving data issues. Ensuring data flows smoothly between the data warehouse and internal systems. Prepare technical proposals for implementation stages. Create project timeline and calculate mandays. Conduct weekly and monthly meetings to identify existing issues and share work status with the data engineer team. Create KPI for data engineer team. Collaborate with the application developer team. Distribute work tasks according to the expertise of the data engineer team. Ensure the team is not overwhelmed with the tasks assigned
  • DataStage HA Implementation

    Apr 2022 – May 2023

    Project Description: VM HA Centris. Infosphere DataStage HA Implementation.
    Tools: IBM Infosphere DataStage on Linux server.
    Client: Bank Tabungan Pensiunan Nasional (BTPN), Jakarta.

    • Role in this project: Technical Consultant Responsibilities/Contribution & Accomplishment:
    • Installation and Configuration Infosphere DataStage. Setup driver for SQL, DB2, MySQL, and perform a connection test. Deployment, testing Job (compile and running). Ensure datastage service runs according to scenario. Provide guidance and direction to the IT Ops team.
  • DWH & BI BPD Kalsel

    Sep 2021 – Mar 2022

    Project Description: MIS Implementation, DWH & BI with IBM product.
    Tools: IBM DB2 BLU & Cognos BI, ETL Tools Pentaho Data Integration on Linux Server.
    Client: BPD Kalsel, Kalimantan Selatan.

    • Role in this project: DWH BI Team Lead Responsibilities/Contribution & Accomplishment:
    • Development MIS Report: Customer profile, Current Account, Savings, Time Deposits, Credit Report for conventional and sharia, etc. Create data modelling with Framework Manager to import metadata from one or more data sources and transform it into a business-orinted model. Prepare a model for reporting, create and publish package, export & import content store, deploy to production environment. Compare data between cognos report output and DB2 BLU SQL output.
  • Antasena Regulatory Reporting

    Nov 2020 – Dec 2021

    Project Description: Antasena Regulatory Reporting Implementation.
    Tools: PostgreSQL DB, ETL Tools Pentaho Data Integration on Linux Server.
    Client: Bank Artha Graha Internasional (BAGI), Jakarta.

    • Role in this project: Senior Data Engineer Responsibilities/Contribution & Accomplishment:
    • Perform database server and application installation. Perform mapping with business users. Create queries for financial report forms for balance sheets, administrative accounts, financing credits, counterparty data. Create job with Pentaho ETL Tools. Create shellscript to automate job and schedule with crontab. Create development documentation and operational guides for IT teams. Conduct SIT and UAT with application users and IT teams.
  • DWH & BI Bank AGI

    Jul 2020 – Aug 2021

    Project Description: Implementation data Warehouse and Business Intelligence with IBM product.
    Tools: IBM DB2 BLU & Cognos BI, ETL Tools Pentaho Data Integration on Linux Server.
    Client: Bank Artha Graha Internasional Tbk. Jakarta.

    • Role in this project: DWH BI Team Lead Responsibilities/Contribution & Accomplishment:
    • Development MIS Report: Customer profile, Current Account, Savings, Time Deposits, Credit Report for conventional and sharia, etc. Create data modelling with Framework Manager to import metadata from one or more data sources and transform it into a business-orinted model. Prepare a model for reporting, create and publish package, export & import content store, deploy to production environment. Compare data between cognos report output and DB2 BLU SQL output.
  • DWH & BI Card SME Bank

    May 2019 – Jun 2020

    Project Description: Implementation data Warehouse and Business Intelligence with IBM product.
    Tools: IBM DB2 BLU & Cognos BI, ETL Tools Pentaho Data Integration on Linux Server.
    Client: Card SME Bank, Inc. Philippines.

    • Role in this project: DWH BI Team Lead Responsibilities/Contribution & Accomplishment:
    • Development internal report: Summary of Savings Per Product, Dormant Accounts Run- Up, Accounts Below Maintaining Balance, Operations Update Summary, Savings Run Up, Risk Classification, Cashiers Blotter (Cash Transaction), Teller's Blotter, Transaction Summary Per Branch, CASA Report, GL ENTRIES, Subsidiary Ledger, Inactive Savings Account Run-Up, Account Credit Interest Posted & Accrued, Deposit Liabilities by Size of Accounts. Create data modelling with Framework Manager to import metadata from one or more data sources and transform it into a business-orinted model. Prepare a model for reporting, create and publish package, export & import content store, deploy to production environment. Compare data between cognos report output and DB2 BLU SQL output.
  • DWH & BI Rizal Bank (RBI)

    Mar 2018 – Apr 2019

    Project Description: Implementation data Warehouse and Business Intelligence with IBM product.
    Tools: IBM DB2 BLU & Cognos BI, ETL Tools Pentaho Data Integration on Linux Server.
    Client: Rizal Bank (RBI), Inc. Philippines.

    • Role in this project: DWH BI Team Lead Responsibilities/Contribution & Accomplishment:
    • Development MIS Report: Customer profile, Current Account, Savings, Time Deposits, Credit Report for conventional and sharia, etc. Create data modelling with Framework Manager to import metadata from one or more data sources and transform it into a business-orinted model. Prepare a model for reporting, create and publish package, export & import content store, deploy to production environment. Compare data between cognos report output and DB2 BLU SQL output.
  • DWH & BI CARD Bank

    Mar 2016 – Feb 2018

    Project Description: Implementation data Warehouse and Business Intelligence with IBM product.
    Tools: IBM DB2 BLU & Cognos BI, ETL Tools Pentaho Data Integration on Linux Server.
    Client: CARD Bank, Inc. Philippines.

    • Role in this project: DWH BI Team Lead Responsibilities/Contribution & Accomplishment:
    • Development internal report: Summary of Savings Per Product, Dormant Accounts Run- Up, Accounts Below Maintaining Balance, Operations Update Summary, Savings Run Up, Risk Classification, Cashiers Blotter (Cash Transaction), Teller's Blotter, Transaction Summary Per Branch, CASA Report, GL ENTRIES, Subsidiary Ledger, Inactive Savings Account Run-Up, Account Credit Interest Posted & Accrued, Deposit Liabilities by Size of Accounts. Create data modelling with Framework Manager to import metadata from one or more data sources and transform it into a business-orinted model. Prepare a model for reporting, create and publish package, export & import content store, deploy to production environment. Compare data between cognos report output and DB2 BLU SQL output.
  • DWH & BI BPR KS

    Jun 2014 – Feb 2016

    Project Description: Implementation data Warehouse and Business Intelligence with IBM product.
    Tools: IBM DB2 BLU, DataStage, Cognos BI on Linux Server.
    Client: PT BPR Karyajatnika Sadaya. Bandung

    • Role in this project: DWH BI Team Lead Responsibilities/Contribution & Accomplishment:
    • Development Internal Report: Customer Profile, Scoring CIF (Payment Behaviour Score), Merchant Transactio, Insentif Credit and deposito, estatement report. Create data modelling with Framework Manager to import metadata from one or more data sources and transform it into a business-orinted model. Prepare a model for reporting, create and publish package, export & import content store, deploy to production environment. Compare data between cognos report output and DB2 BLU SQL output. Installation and configuration openLDAP server for cognos authentication.
  • Teradata Report & Dashboard BII

    Sep 2012 – May 2014

    Project Description: Teradata Report, Implementation Cognos Business Intelligence and to simplify their existing reporting processes.
    Tools: Teradata, Cognos BI on Linux Server.
    Client: PT Bank International Indonesia Tbk. Jakarta

    • Role in this project: Cognos Developer and Administrator Responsibilities/Contribution & Accomplishment:
    • Development Conventional and syariah funding, loan, transaction, ledger, Reporting Branch Channel, Consumer Risk, Consumer Sales, Consumer Secured, Consumer Unsecured, Corporate, Finance, Risk Management, SME, Wealth Management. Create data modelling with Framework Manager to import metadata from one or more data sources and transform it into a business-orinted model. Prepare a model for reporting, create and publish package, export & import content store, deploy to production environment. Compare data between cognos report output and Teradata SQL output.
  • SnD Dashboard CIMB NIAGA

    May 2011 – Jun 2012

    Project Description: Developing SnD Dashboard project with interdependency with MIS Project, Implementation Business Intelligence and to simplify their existing reporting processes.
    Tools: IBM DB2, DataStage, Cognos BI on Linux Server.
    Client: PT Cimb Niaga Tbk. Tangerang

    • Role in this project: Cognos Developer and Administrator Responsibilities/Contribution & Accomplishment:
    • Development Conventional and Syariah Funding portfolio, CIMB Preferred and SME Portfolio Sales and Distribution (SnD) Dashboard. Create data modelling with Framework Manager to import metadata from one or more data sources and transform it into a business-orinted model. Prepare a model for reporting, create and publish package, export and import content store. Development New Branch Monitoring Dashboard. Responsible to back end process include ETL (Extract Transform Load) process for equipping data. Responsible to control the flow process and data validity. Installation and Configuration Cognos BI Server.
  • Enterprise Data Warehouse CR Delta

    Nov 2010 – 2011

    Project Description: Developing Natrindo Telepon Seluler ’s Enterprise Data Warehouse that provides data and process Sales, Marketing, Data Service , IT and Management Report.
    Tools: IBM DB2, DataStage, Cognos BI on AIX Server.
    Client: PT Natrindo Telepon Selular (NTS) / AXIS. Jakarta

    • Role in this project: BI Report Developer Responsibilities/Contribution & Accomplishmen:
    • Resposible to back end process include ETL (Extract Transform Load) process for equipping data. Responsible to control the flow process and data validity.
  • Post Billing Integration Report (PBIR)

    Sep 2010 – Nov 2010

    Project Description: The application is a system to process postpaid billing system data into reports.
    Tools: IBM DB2, DataStage, Cognos BI on AIX Server.
    Client: PT Natrindo Telepon Selular (NTS) / AXIS. Jakarta

    • Role in this project: BI Report Developer Responsibilities/Contribution & Accomplishmen:
    • Create data modelling with Framework Manager to import metadata from one or more data sources and transform it into a business-orinted model. Prepare a model for reporting, create and publish package, export & import content store. Create dashboard analysis with Analysis Studio and Report studio.
  • National Roaming (NR)

    Jun 2010 – Sep 2010

    Project Description: The application is a system to process XL CDR national roaming data into reports.
    Tools: IBM DB2, DataStage, Cognos BI on AIX Server.
    Client: PT Natrindo Telepon Selular (NTS) / AXIS. Jakarta

    • Role in this project: BI Report Developer Responsibilities/Contribution & Accomplishmen:
    • Create data modelling with Framework Manager to import metadata from one or more data sources and transform it into a business-orinted model. Prepare a model for reporting, create and publish package, export & import content store. Create dashboard analysis with Analysis Studio and Report studio.
  • EDW & BI AXIS

    Oct 2008 – 2010

    Project Description: Developing Natrindo Telepon Seluler ’s Enterprise Data Warehouse that provides data and process Sales, Marketing, Data Service , IT and Management Report.
    Tools: IBM DB2, DataStage, Cognos BI on AIX Server.
    Client: PT Natrindo Telepon Selular (NTS) / AXIS. Jakarta

    • Role in this project: BI Report Developer Responsibilities/Contribution & Accomplishmen:
    • Create data modelling with Framework Manager to import metadata from one or more data sources and transform it into a business-orinted model. Prepare a model for reporting, create and publish package, export & import content store. Create dashboard analysis with Analysis Studio and Report studio. Create static and dynamic report from data warehouse and data mart.
  • Operational Data Store (ODS)

    Dec 2008 – 2009

    Project Description: The project provides NTS operational and management report before implementing Enterprise Data Warehouse and Business Intelligence and to simplify their existing reporting processes.
    Tools: IBM DB2, DataStage, Cognos BI on AIX Server.
    Client: PT Natrindo Telepon Selular (NTS) / AXIS. Jakarta

    • Role in this project: BI Report Developer Responsibilities/Contribution & Accomplishmen:
    • Cognos Administrator, Installation & Configuration Cognos BI & Metric Server.
  • Technical Consultant

    Sep 2008 – 2009

    Project Description: Annual Technical Support MySQL
    Client: PT Telkom Indonesia, Jakarta.

    • Role in this project: Technical Consultant Responsibilities/Contribution & Accomplishment:
    • Saving all data from 40 MySQL servers related to database statistic, status, processlist, privileges and variable. Enhancement of log, log-bin and max_binlog_size at configuration file. Implementation Upgrade version of MySQL server. Implementation MySQL Replication & MySQL Cluster. Create script procedure to check total space database MySQL. Maintained and reported statistic database from all MySQL servers.
  • Technical Consultant

    2007 – 2011

    Project Description: Annual Technical Support MySQL
    Client: PT Telkomsel, Jakarta.

    • Role in this project: Technical Consultant Responsibilities/Contribution & Accomplishment:
    • Saving all data from 40 MySQL servers related to database statistic, status, processlist, privileges and variable. Enhancement of log, log-bin and max_binlog_size at configuration file. Implementation Upgrade version of MySQL server. Implementation MySQL Replication & MySQL Cluster. Create script procedure to check total space database MySQL. Maintained and reported statistic database from all MySQL servers.
  • PHP Programmer

    Apr 2007 – Sep 2008

    Project Description: dotProject Enhancement / Project Management App for PT Solusi 247

    • Role in this project: Developer
      Responsibilities/Contribution & Accomplishment:
    • Added module developer, module QC log, request for resources. Enhancement of project lists, task list, file list, contact list, project reports module. Made code/program and conducted bug fixing for the application.
  • System Engineer

    May 2005 – Mar 2007

    Project Description: Customer Management System
    Tools: SQL Developer, Toad, Oracle DB on Windows Server.
    Client: PT PLN Distribusi Jawa Timur, Surabaya & Pasuruan.

    • Role in this project: System Engineer
      Responsibilities/Contribution & Accomplishment:
    • Implemented, Maintenance and Monitoring CMS application Server (Customer Management System) for PT. PLN Distribusi Jawa Timur. Analyzed, designed, developed and implemented, application using Web technology (PHP+Oracle). Developed and implemented website PT. PLN APJ Pasuruan, Unit Pelayanan Pasuruan Kota and internal website for CMS pasuruan community.
  • Trainer at PT Gama Prima Karya

    Apr 2004 - Apr 2005

    • Role in this project: Web Master Trainer
      Responsibilities/Contribution & Accomplishment:
    • Create Module of HTML, PHP, MySQL for Student guide. Trainer of Web technology (ASP, Javascript, PHP & MySQL). Developed and implemented internal website.

Tech Stack

Data Architecture, Cloud Infrastructure & Analytics Ecosystem

BigQuery Python IBM Cognos ShellScript Apache Airflow GCP Dataform Oracle Cloud GCS DataStage Pentaho PDI PostgreSQL Data Fusion IBM DB2 BLU STS Teradata MySQL Cluster Nodemailer Oracle DB Data Lakehouse VM Instances Medallion Architecture Crontab Apache Superset Tableau Data Mart Linux Server PHPMailer Toad SQL Developer Web3Forms Data Warehouse AIX Server ETL / ELT MySQL Replication Formspree Bootstrap 5 jQuery OpenLDAP Framework Manager HTML5 & CSS3 Cloud Composer AJAX Fetch Business Intelligence