Jonathan Immanuel – Data Professional Portfolio

About

"With a strong foundation in Data Engineering, I bring a professional approach to solving complex problems in the IT domain. My interests extend to Website and Application Development, with a focus on Data Warehousing, Big Data solutions, and advanced Data Visualization techniques. I strive to bridge data systems with user-friendly interfaces to deliver impactful, data-driven solutions."

Professional Data Engineer

Motto: Strive for continuous improvement, instead of perfection.

Hobby: Coding, Reading, Exercise
City: Jakarta, Indonesia

Degree: Master TI
Email: Joimmanuel.irfan@gmail.com

Accomplished IT professional with over 8 years of experience specializing in Data Engineering and large-scale data management. Proven expertise in designing and implementing robust ETL pipelines using tools such as SSIS, SSAS, and SSRS. Adept at modernizing data infrastructure through successful migrations from Sybase to distributed systems including Hive, Dremio, Hadoop, Spark, and Google Cloud Platform (GCP). Strong background in Data Warehousing and Big Data architecture, complemented by advanced skills in Data Visualization using Power BI to drive strategic business insights.

Skills

"Set a goal to become a proficient Data Engineer, recognizing that achieving it will shape you into a problem solver, a skilled collaborator, and a continuous learner in the ever-evolving field of data engineering."

Technical

Hadoop ecosystem (HDFS, MapReduce, Hive, ZooKeeper)
Real-time processing Framework (Apache Spark)
SQL-based technologies (SQL Server/MySQL/PostgreSQL)
NoSQL technologies (MongoDB)
Programming Languages (Python)
Workflow Tools (Apache Airflow)
Datalake Platform (Dremio)
Data Warehouse (SSIS, SSAS)
Data Visualization (PowerBI, SSRS, Superset)
Cloud Platform (AWS, GCP)

Interpersonal

Leadership
Time Management
Working with others
Team Player
Communication Well
Organization Skill
Integrity with my work
Adaptability
Curiosity
Stay Updated for New Technology

Resume

Check detail about my Educational Background & Professional Experience.

Educational Background

Master Degree in Information Technology

Des 2018 - Jun 2020 (1 year 6 months)

University of Bina Nusantara, Jakarta

During my time in college, I'm to challenge and develop both my soft and hard skills to become a professional in the fields of Big Data, Data Analytics, and Machine Learning.

Bachelor Degree in Information Technology

Sept 2013 - Sept 2017 (4 years)

University of Bunda Mulia, Jakarta

During my time in college, I'm to challenge and enhance both my soft and hard skills to become a professional in the fields of Website and Application Development.

Licenses & Certifications

SQL Server SSAS (Multidimensional MDX) - an Introduction (Udemy)

Issued Sep 2022

Machine Learning with Tensorflow (Digital Talent)

Issued Aug 2022

Mastering SQL Server 2016 Integration Services (SSIS)-Part 1 (Udemy)

Issued Aug 2022

Microsoft SQL Server Integration Services (SSIS) Training(Udemy)

Issued Aug 2022

Master English: Improve Your Speaking, Listening, & Writing (Udemy)

Issued Jul 2022

English for IT Professionals (Udemy)

Issued Jul 2022

Cloud Digital Leadeer (GCP)

Issued Apr 2022

Dremio Data Reflections (Dremio University)

Issued Jan 2022

Dremio Fundamentals (Dremio University)

Issued Jan 2022

Dremio for Data Consumers (Dremio University)

Issued Jan 2022

Enterprise Design Thinking Practitioner (IBM)

Issued Dec 2021

AI in Fintech Essential Training (Linkedin)

Issued Oct 2021

Apache Spark Essential Training: Big Data Engineering (Linkedin)

Issued Oct 2021

Data Engineering Foundations (Linkedin)

Issued Sep 2021

Problem Solving Basic Certificate (Hackerank)

Issued Sep 2021

Python Basic Certificate (Hackerank)

Issued Sep 2021

SQL Basic Certificate (Hackerank)

Issued Sep 2021

SQL Intermediate Certificate (Hackerank)

Issued Sep 2021

Data Skills for Business Certificate (DataCamp)

Issued May 2020

Introduction to Deep Learning in Python Certificate (DataCamp)

Issued May 2020

Google Machine Learning Certificate (Google Developer Indonesia)

Issued Oct 2018

Professional Experience

Senior Data Engineer

Jul 2021 - Present (3 years 11 months)

PT. Adicipta Inovasi Teknologi (AdIns)

Jan 2022 - Now

Designing and architecting ETL solutions using SSIS and SSAS for multifinance clients
Ensuring the smooth operation of production ARS (Advanced Reporting Services) for multifinance clients
Handle new projects for new clients, especially providing reporting and data warehouse needs

Jul 2021 - Dec 2021

Analyze Business Model Multifinance
Design Model Pipeline Collection Scoring
Design Production Environment for Batch Prediction
Develop Daily Model Performance Monitoring
Develop Dashboard Report Analytics & Operational Collection Scoring in Superset
Develop Workflow for Collection Scoring using Apache Airflow
Automate Unit Testing using Spark & Python

IT Big Data Supervisor

Jul 2020 - Jun 2021 (1 year)

PT. Perintis Karya Sentosa (OT Group)

Creating incentive reports for Sales, Sales Managers, and Assistant Sales Managers
Managing User Requirement Specifications (URS) to address business needs
Developing new projects using Big Data technologies such as Hive, Dremio, and Splice Machine

IT Big Data Engineer

Jan 2018 - Jun 2020 (2 years 6 months)

PT. Arta Boga Cemerlang (OT Group)

Get Insight Data (Information) in Report and BI
Build Business Intelligence, Reporting and Applications to support data analysis needs
Following up on complaints related to applications, reports, and business intelligence (BI)

IT Application Developer

Jul 2017 - Des 2017 (6 months)

Webtriks

Developing company profiles, inventory systems, and gym applications tailored to meet user needs
Testing and debugging code through to production deployment
Updating and modifying code to meet user requirements

IT Website Developer (Internship)

Aug 2016 - Jun 2017 (10 months)

Stevsoft

Designing and developing company profiles, e-commerce platforms, and business & inventory applications
Maintaining, enhancing, and scaling websites to ensure optimal performance and growth
Developing and maintaining comprehensive website documentation
Reviewing and evaluating code to ensure it aligns with user requirements and meets performance standards