Experience
My professional journey, academic background, and industry certifications.
Work Experience
Nov 2025 – May 2026Indonesia
Nov 2025 – May 2026Indonesia
Pennyu Indonesia
Data Analyst Intern • Kemnaker Internship Program
- Delivered 6 business case projects across marketing, operations, and PPIC, translating data into actionable business insights.
- Analyzed promotion impact on customer behavior, identifying increased engagement but low conversion and uneven segment performance → recommended more targeted and efficient promo strategy.
- Evaluated GPS implementation on fuel efficiency, uncovering inconsistent results driven by driver behavior, idle time, and data issues → recommended stronger SOP enforcement and monitoring to optimize fuel efficiency.
- Developed a custom web dashboard to overcome Looker Studio limitations, enhancing route visualization and analysis capabilities.
- Evaluated route efficiency and sales discipline, identifying travel inefficiencies → improved route efficiency by 9% through optimized routing.
- Analyzed outlet visit behavior using correlation methods, identifying visit frequency as the key driver of transaction and activation → recommended increasing visit intensity on high-potential outlets.
- Validated PPIC planning accuracy by comparing plan vs demand, identifying misaligned buffer logic → redesigned data-driven buffer approach, reducing planning deviation by >95%.
- Built 15+ pages of Looker Studio & web-based dashboards, standardizing data and improving visibility for KPI, performance, and operational monitoring.
- Collaborated with data analysts, data engineers, and IT teams in data discussions, analysis, and solution development.
- Shared knowledge on web dashboard development with data teams (analysts & engineers) to improve analytical capabilities.
- Delivered AI-related material in Pennyu Learning Circles and participated in 10+ internal sessions.
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Tech Stack
Looker StudioGoogle SheetsMicrosoft ExcelGoogle Apps ScriptPythonFlaskHTML 5CSSJavascriptClickupTeams
Skills
Data AnalysisDashboard DevelopmentRoute OptimizationCorrelation AnalysisPPIC PlanningCollaborationTeam WorkData Science
May 2025 – PresentIndonesia
May 2025 – PresentIndonesia
Genius Indonesia Jaya
Computer Science Teacher • Part-time
- Teach Programming (C, C++, Python), Computer Networks, Embedded Systems (Arduino), Algorithms, Database, SQL, and Machine Learning to high school students using a practical, project-based approach.
- Coach students in Informatics Olympiad and competitive programming, focusing on algorithmic thinking, problem-solving strategies, and contest preparation.
- Create interactive learning modules and mini projects in Machine Learning and Computer Vision.
- Taught Informatics to high school students through private, small-group, and classroom sessions, accumulating 100+ hours of teaching experience in both online and offline formats.
Tech Stack
CC++PythonAlgorithmsComputer NetworksEmbedded SystemsArduinoMachine LearningComputer Vision
Skills
DatabaseSQL
Aug 2022 – Sep 2025Semarang, Indonesia
Aug 2022 – Sep 2025Semarang, Indonesia
Universitas Negeri Semarang
Laboratory Assistant • Part-time
Feb 2023 – Sep 2025
Semarang, Indonesia
- Maintained and managed over 150 computers and various laboratory facilities to ensure smooth daily operations.
- Provided technical support for more than 10 activities and research projects in the field of mathematics.
- Performed over 100 software installations and repairs for student applications and research tools.
- Initiated the implementation of computer technology, robotics, machine learning, and AI in the lab to support research and practical learning.
- Conducted collaborative research with lecturers, developing and comparing four Deep Learning models (Vanilla LSTM, Stacked LSTM, Bidirectional LSTM, and CNN-LSTM) for daily electricity load forecasting, published in a Scopus-indexed journal.
- Developed a lab inventory and honesty canteen management system using Google Apps Script, improving recording efficiency by up to 70%.
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Tech Stack
C++PythonRSQLDBMSGoogle Apps ScriptMachine LearningNeural NetworkDeep LearningHTML 5CSSJavascript
Skills
IT SupportResearchSystem DevelopmentData AnalystData ScientistAI EngineerData MiningRoboticsComputer VisionNatural Language ProcessingLLMInitiativeLeadershipInnovationTeam Collaboration
Teaching Assistant • Part-time
Aug 2022 – Dec 2023
Semarang, Indonesia
- Assisted over 260 hours of lectures and lab sessions in Database, Programming Algorithms (C++), Statistical Computing, Data Mining, Computer Networks, and Mathematics Learning Media courses.
- Guided students in Python, data modeling, and machine learning fundamentals through interactive lab sessions.
- Evaluated assignments and projects for 200+ students objectively and on time.
- Authored Python and C++ programming textbooks as supplementary learning materials.
- Trained and mentored 20+ new lab assistants in machine learning, Python, and data analysis practices.
Tech Stack
C++PythonRSQLDBMSHTML 5CSSJavascriptMachine LearningNeural NetworkDeep LearningData MiningStatistical ComputationScratch
Skills
MentoringCurriculum DevelopmentTeaching AsistantPublic Speaking
Feb 2024 – Jul 2024Semarang, Indonesia
Feb 2024 – Jul 2024Semarang, Indonesia
Dinas Kesehatan Kota Semarang
Data Analyst Intern • Internship
- Managed and analyzed monthly datasets from 37 public health centers and 270+ healthcare facilities, ensuring accurate and actionable insights for health performance reporting.
- Developed an automated data integration system using Google Apps Script and Power BI, boosting workflow efficiency by over 90%.
- Built a digital assessment tool with Python, enabling automated and precise evaluations.
- Created a data scraping application (Flask & JavaScript) that automated the entry of 500,000+ records for the Healthy Family Index (IKS), achieving an 84× efficiency improvement.
- Conducted statistical analyses (t-test) to evaluate the impact of health education, demonstrating measurable improvement in student knowledge.
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Tech Stack
Google Apps ScriptPower BIPythonFlaskHTML 5CSSJavascript
Skills
Web ScrapingData AnalystDashboardStatistical AnalysisData IntegrationDesk MonitoringSpatial Analysis
Education
Universitas Negeri Semarang
Bachelor of Mathematics • Mathematics
Aug 2021 – June 2025
GPA: 3.78 / 4.00
Thesis/Skripsi:
“Implemented a Hybrid SSA–Deep Learning pipeline for hourly electricity load forecasting (2016–2024, ~77,000 data points)”
Developed and compared SSA-LSTM, SSA-BiLSTM, and SSA-GRU models, achieving >95% forecasting accuracy.
Certifications
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Professional Certification
Maganghub Data Analyst
Kementerian Ketenagakerjaan Republik Indonesia (Kemnaker Intern Program)
May 2026View Credential
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Skill Certification
Get Started Building With Power BI
Microsoft
May 2025View Credential
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Skill Certification
Introduction to Generative AI
Microsoft
May 2025View Credential
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Skill Certification
Explore Generative AI
Microsoft
May 2025View Credential
Teaching/Speaking
Speaker on CNN Training
Mathematics Computing Club (MCC)
Nov 2024
Seminar Presenter
Presenter at the 18th National Mathematics Seminar 2024
Universitas Negeri Semarang (UNNES)
Oct 2024View Credential
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Teaching/Speaking
Speaker on Pelatihan Olah Data
Mathematics Computing Club (MCC)
Dec 2023View Credential
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Professional Certification
Kuliah Kerja Lapangan (KKL)
Pertamina
Sep 2023View Credential
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Skill Certification
Intro to Data Analytics
RevoU
Aug 2022View Credential
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Organization
Pendamping GRAVIKA (Gema Keakraban Civitas Matematika)
Himpunan Mahasiswa Matematika (Himatika UNNES)
Aug 2022View Credential