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Operation & Data Analyst · Available for Engagements

Finding Signal
in the
Noise.

I turn ambiguous business questions into rigorous, reproducible analyses, with a focus on clarity of communication as much as precision of method.

View Selected Work →Download CV
Available for new projects· Response within 24h
Things I've built

My Projects

Filter:
AnalyticsKagglePandasSeabornTableauData ModelingData Mining

Amazon E-Commerce Sales Strategy

Visibility gaps on 42K+ Amazon products drove lost GMV; K-Means clustering (6 segments) identified $241.7M trapped capital and $113M stockout leakage, enabling automated restocks for 522 SKUs and a projected 20% revenue uplift ($130.1M).

$241.7M recovery · 522 SKU gaps · 72 Toxic SKUs flagged
Case Study
AnalyticsBigQuerySQLCTEsJoins

Tokopaedi E-Commerce — BigQuery SQL Analysis

Tokopaedi's 6-dataset e-commerce DB lacked operational insights; end-to-end BigQuery SQL revealed Rp 4.1B Dec peak, Play Store conversion at 2.21%, and a restock roadmap for F&B and Fashion to prevent stockouts.

Rp 19.83B · 4,399 transactions · 2.21% Play Store conversion
Case Study
VisualizationLooker StudioExcelCalculated Fields

Tokopaedi Sales Dashboard — Looker Studio

Tokopaedi 2022 transactional data needed visual insights; a 2-page Looker Studio dashboard delivered Rp 5.1B gross and Rp 1.1B net profit, identified Aug–Sep peak and 70%+ cash reliance for digital payment adoption and Q4 retention.

Rp 5.1B gross · Rp 1.1B net profit · 8,276 units · 3,168 customers
Case Study
Operation Analyst · Data Analyst

I find the story
the data is trying
to tell you.

Specialising in operational analytics, cost estimation, and data infrastructure. Currently at Hangry. Previously at ITENAS as Lab Assistant and PT. Dirgantara Indonesia as Infrastructure Intern.

I believe good analysis has one job: reduce the cost of a decision. Everything else is presentation.

Download ResumeLinkedIn →GitHub →

Technical Proficiency

  • SQL · BigQuery · MySQL · SQL Server
  • Python · pandas · scikit-learn
  • Tableau · Looker Studio · Power BI
  • Excel · Spreadsheets
  • Statistical Analysis · Machine Learning
  • AppSheet · Data Workflow Automation

Domains

Operational AnalyticsCost & Revenue AnalysisData VisualizationDatabase SystemsStatistical AnalysisForecasting

Experience

Nov 2025 — Present
Operation Analyst · Hangry
  • Conducted cost estimation analyses via SQL (BigQuery) and Excel, achieving a 60% reduction in driver dissatisfaction and a 20.69% increase in comfort scores by strategically extending the patience threshold to 40 minutes.
  • Standardized KDS nomenclature for 20+ items using Python and Tableau by identifying bottlenecks, resulting in a 3 minutes and 12 seconds reduction in process duration.
  • Replaced manual workflows with a custom AppSheet tracking system, increasing the number of completed maintenance projects by 15% and enhancing real-time tracking accuracy through standardized output reporting.
  • Optimized operational performance by transitioning to New Customer Order through KDS (Kitchen Display System) standardization, driving a 7.75% increase in Checker accuracy and a 9.85% boost in Serving accuracy.
Sep 2024 — Jan 2025
Database Laboratory Assistant 1 · Institut Teknologi Nasional (ITENAS)
  • Facilitated comprehensive training for 30+ students through structured hands-on MySQL and relational database sessions, empowering participants to master core database principles.
  • Developed 16 technical modules by bridging theoretical concepts and practical applications, yielding a significant increase in student comprehension and laboratory operational efficiency.
  • Mentored 30+ students in technical problem-solving and SQL query optimization, driving a 100% course completion rate for all final database project submissions.
Jun 2024 — Aug 2024
Information Security & Infrastructure Dept Intern · PT. Dirgantara Indonesia
  • Designed and validated network topologies through technical simulation and analysis using Cisco Simulator, resulting in a 10% increase in system design efficiency.
  • Audited and verified operational reports ensuring high-level data integrity using standardized verification protocols, providing a reliable foundation for strategic organizational decision-making.
  • Optimized infrastructure performance through proactive system monitoring and configuration adjustments, enhancing network reliability and sustaining operational technical efficiency.
Feb 2024 — Jul 2024
Database Laboratory Assistant 2 · Institut Teknologi Nasional (ITENAS)
  • Conducted advanced SQL Server training for 30+ students by focusing on complex queries and database optimization, resulting in significantly enhanced technical proficiency across the cohort.
  • Developed 16 specialized training modules covering stored procedures, indexing, and CTEs, enabling students to perform advanced database system analysis and practical troubleshooting.
  • Supervised student case study projects through dedicated technical guidance and oversight, achieving a 100% project success rate and optimal performance results for all participants.

Education

Oct 2025 — Apr 2026
Full Stack Data Analysis · REVOU
  • Awarded as one of the Top Five Best Final Project for delivering a high-impact data segmentation project to stakeholders.
  • Completed an intensive intermediate-to-advanced data analytics program with over 200 hours of learning commitment. Mentored by professionals from Gojek, Grab, Blibli, XL Axiata, Starcore, and Tokopedia. Gained hands-on experience in business problem-solving using end-to-end data analysis processes—from data cleaning, processing, to visualization—with Spreadsheets, SQL, Python, Tableau, and Power BI.
Oct 2025 - Nov 2025
Data Analytics Bootcamp · MySkill
  • Graduated with Distinction (Overall Score: 94/100), placing my performance significantly above the class average.
  • Achieved 100% score in both attendance and mini task submissions, reflecting strong professional commitment and reliability.
  • Trained under senior data professionals from Tokopedia, XL Axiata, and Starcore in SQL, Python, and business-driven data storytelling.
Sep 2021 — Oct 2025
Bachelor's, Information Systems · Institut Teknologi Nasional Bandung
  • Thesis: Performance Comparison of Multiple Linear Regression, SVR, and XGBoost Algorithms for Predicting Vehicle Volume on Toll Roads (Case Study: Jasa Marga Historical Data).
  • Selected as one of The Speakers ("Pemakalah") at the 2024 ITENAS National Seminar on Community Service.
  • Participated in the 2025 National Seminar on Research and Application of Science and Technology (SNPPST).
2023 - 2024
Student Exchange Program · Universitas Kristen Maranatha
  • Participated in a one-semester Student Exchange Program. Focused on general information systems coursework while successfully adapting to a new academic and cultural environment. Maintained a strong academic record with a 3.95/4.00 GPA, demonstrating commitment and resilience in a new study setting.
Certificates & Credentials

Proof of Expertise

Database Laboratory Assistant 1
Institut Teknologi Nasional Bandung
Assisted students in understanding foundational database concepts including relational models, ER diagrams, normalization, and basic SQL querying at ITENAS Bandung's Informatics Department.
Issued Feb 2023✓ Verified
Database Laboratory Assistant 2
Institut Teknologi Nasional Bandung
Continued laboratory assistance role covering advanced database topics including stored procedures, triggers, query optimization, and database administration tasks at ITENAS Bandung.
Issued Aug 2023✓ Verified
Full-Stack Data Analytics
RevoU
Intensive 4-month bootcamp covering end-to-end data analytics workflow: spreadsheets, advanced SQL, Python, Tableau visualisation, A/B testing, funnel & cohort analysis, and data storytelling for business impact.
Issued Dec 2023✓ Verified
SQL (Basic) Certificate
HackerRank
Standardised HackerRank skills certification assessing proficiency in fundamental SQL concepts: simple queries, table relationships, and aggregate functions.
Issued Jan 2024✓ Verified
SQL (Intermediate) Certificate
HackerRank
HackerRank certification covering intermediate SQL capabilities including subqueries, complex joins, unions, grouping, and aggregation for building sophisticated database queries.
Issued Jan 2024✓ Verified
SQL (Advanced) Certificate
HackerRank
HackerRank advanced SQL certification covering query optimisation, data modelling, indexing strategies, window functions, and pivoting — demonstrating professional-level SQL proficiency.
Issued Feb 2024✓ Verified
TOEFL Prediction Test
Central Course
TOEFL prediction test administered by Central Course to measure English language proficiency across listening, reading, and structure sections — used as an academic and professional language benchmark.
Issued Mar 2023✓ Verified
Certificate of Mastery
MySkill
MySkill Certificate of Mastery awarded upon completing structured data analytics learning modules, covering statistical analysis, SQL, Python (Pandas & NumPy), and data visualisation for data-driven decision making.
Issued Oct 2023✓ Verified
Contact

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Availability
Open to new projects
Response Time
Within 24 hours
Time Zone
UTC+7 · Jakarta
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