Widi Bagaskara

Widi Bagaskara

Mathematics | Data Analyst | Data Scientist | Data Engineer

Tentang Saya

Master of Mathematics graduate from Universitas Gadjah Mada with teaching experience in mathematics, as well as project-based internship experience in data-related fields. Proven ability to process and analyze dataset using SQL and Python to generate actionable insights for decision-making. Experienced in combining analytical thinking with structured problem-solving to improve operational and academic performance. Have interest in teaching, research, data analysis, and the development of analytical and application-based mathematics and statistics learning.

Keahlian

Python English Power BI Tableau Google Data Studio SQL R Microsoft Excel Analisis Data

Pengalaman Kerja

Tutor & General Manager

LPK Tadib Academy Bantul

Sep 2025 — Sekarang

Managed end-to-end operational activities including program execution, staff coordination, and compliance monitoring across 5 programs and 5 staff, ensuring operational efficiency and regulatory alignment by 25 %. Designed structured monitoring frameworks and performance dashboards to evaluate institutional effectiveness, improving operational performance by 30 %.

Teacher & Curriculum Coordinator

PKBM Tadib Yogyakarta Bantul

Mei 2024 — Sekarang

Delivered teaching Mathematics, Physics, Chemistry, Biology, and Indonesian Language to 6 high school students using structured and adaptive learning methods, improving academic outcomes by 20 %. Developed report cards, customized lesson plans and evaluation system aligned with student needs, increasing engagement and comprehension by 25 %.

Data Engineer Virtual Internship

PT IDX Partners Consulting

Jan 2024 — Feb 2024

Designed and optimized SQL-based data pipelines, improving data processing efficiency by 30 %. Executed ETL processes ensuring data integrity and readiness for analysis. Conducted analytical case studies to solve business problems using structured datasets.

Data Scientist Virtual Intern

PT Home Credit Indonesia

Jun 2023 — Jul 2023

Analyzed datasets using SQL and Python to uncover patterns, improving decision-making accuracy by 25 %. Applied machine learning models to solve analytical problems and predict trends. Ensured reproducibility using Git and structured reporting tools.

Data Scientist

id/x partners

Apr 2023 — Mei 2023

- Enhanced data analysis skills, and gained expertise in SQL querying and Python.
- Finishing various task related with the activity of Data Scientist from ID/X Partners, such as Data Analysis, Machine Learning Implementation, and Business Acumen.
- Successfully resolved the final project using Python as key tools.

Business Intelligence Analyst Virtual Internship

PT Bank Muamalat Indonesia

Mar 2023 — Apr 2023

Conducted SQL-based data analysis to identify business trends and reporting needs. Built Power BI dashboard to visualize key metric improving decision-making efficiency by 35 %. Transformed raw dataset into structured report for stakeholder insights.

Data Engineer

BTPN Syariah

Feb 2023 — Mar 2023

- Enhanced data analysis skills, and gained expertise in SQL (Server and Query).
- Engaged in regular assignments and quizzes focusing on data, analysis, and business concepts.
- Successfully resolved the final project using SQL, Python and Grafana as key tools.

Big Data Analytics Virtual Internship

PT Kimia Farma

Sep 2022 — Okt 2022

Processed large-scale datasets using SQL to extract insights and trends. Built dashboards using Google Data Studio to enhance data accessibility and reporting clarity. Conducted analysis supporting business insight generation.

Mathematics Teacher

LBB Spektrum Surabaya

Jan 2019 — Jul 2019

Delivered structured junior high school Mathematics lessons improving student performance by 20 %. Monitored student progress and provided targeted feedback.

Calculus Teaching Assistant

BEM FST Universitas Airlangga

Agt 2018 — Des 2018

- Conducted tutorial sessions improving understanding and academic performance.
- Assisted grading and evaluation ensuring academic accuracy.
- Provided mentoring support for academic improvement.

Pendidikan

Matematika

Universitas Gadjah Mada

2023 — 2026

Matematika

Universitas Airlangga

2017 — 2022

Sertifikasi

TPA BAPPENAS

UUOPT Koperasi Pegawai BAPPENAS

Des 2025

TOEFL ITP ETS

ILP Cikini

Mar 2026

Data Science: Machine Learning Specialization

Rakamin Academy

Jan 2023

Data Engineer

Digital Talent Scholarship

Okt 2022

Data Scientist

Digital Talent Scholarship

Jul 2022

Data Analyst

Digital Talent Scholarship

Mei 2022

Organisasi

Anggota

UKM Penalaran

2017 — 2019

Coordinator

Himatika’s

2018 — 2019

Ketua

Baitulmaal Muamalat Scholarship Recipient Association

2019 — 2021