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Arruum Kirandjie

@arruumkiranadjie

Quantitative Analyst experiences in Data Analysis, Operations Research & Quantitative Research. Creates Prediction & Optimization Mathematical Models.

Indonesia

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What I'm looking for

Seeking opportunities in Operations Research, Supply Chain Analytics, and Data Analytics to apply mathematical modelling, optimization techniques, and data-driven insights to solve complex business challenges. Passionate about optimizing business processes, improving operational efficiency, and supporting strategic decision-making through analytics and optimization.

Data Analyst with a strong foundation in Operations Research and over two years of experience applying data analytics, mathematical modelling, and optimization techniques to optimize complex business operations and support data-driven decision-making. Graduated with a Bachelor of Science in Mathematics with a specialization in Operations Research, complemented by a thesis in implementing the Grasshopper Optimization Algorithm (GOA) to solve the Heterogeneous Fleet Vehicle Routing Problem (HFVRP). My academic background has provided a solid understanding of optimization, linear programming, network analysis, and mathematical modelling. Professionally, I work with SQL, Python, Power BI, and Excel to analyze large datasets, develop interactive dashboards, generate actionable insights, and deliver strategic recommendations across industries including Logistics, FMCG, Retail, Automotive, and Consumer Goods. Beyond professional experience, I have developed projects involving advanced SQL business analytics, Machine Learning, Power BI dashboard development, and blockchain data analysis, demonstrating a passion for transforming data into practical business solutions. Particularly interested in Operations Research, Data Analytics, Supply Chain Analytics, and Decision Science, with the goal of applying analytical and optimization techniques to improve operational performance, support strategic decision-making, and create measurable business value.

Experience

Work history, roles, and key accomplishments

Current

Quantitative Research Analyst

Current

Clove Research and Marketing Analytics

Jan 2024 - Present (2 years 6 months)

Examine client's needs using 5-6 metrics in statistical and mathematical methods, converting raw data into actionable insights. Apply SQL on large datasets with 4-6 likert scale data to develop norms values to identify consumer trends. Develop Power BI Dashboards to monitor data progress across 3-5 demographic variables. Produce comprehensive reports contributing to a 70% client retention rate.

Excel Quantitative Analysis Mathematical Modeling SQL MySQL Data Visualization Data Processing Reporting Statistical Modeling PostgreSQL Quantitative Research Data Analysis Mathematics Market Research Market Analysis Project Management Power BI

Data Scientist Intern

ID/X Partners

Nov 2023 - Dec 2023 (1 month)

Integrating Business Understanding with advanced SQL Query & Data Analysis to deliver high-impact insights by utilizing Statistical Analysis and Machine Learning to drive strategic decisions. Developed and trained Random Forest and Decision Tree Classifiers to predict borrower credit risk on a 466K-record dataset. Top predictive feature identified as last payment month at 12.9% importance.

Python SQL MySQL Data Analysis Statistical Analysis Machine Learning Data Science Data Visualization PostgreSQL Mathematical Modeling

Operations Research Tutor

Self-Employed

Jan 2021 - Jun 2022 (1 year 5 months)

Taught OR Algorithm: Dynamic Programming, Integer & Mixed-Integer Programming, Linear Programming, Metaheuristics & Nature-Inspired, Network & Graph Optimization, Nonlinear Programming, Queueing Theory & Simulation, Stochastic Optimization, Vehicle Routing & Scheduling.

Operations Research Dynamic Programming Integer Programming Meta Heuristics Nature Inspired Optimization Network Optimization Simulation Stochastic Optimization Vehicle Routing Scheduling Tutoring

Research Analyst Intern (AML-CFT)

Otoritas Jasa Keuangan

Feb 2022 - Mar 2022 (1 month)

Performed research and evaluation on AML-CFT implementation across the financial services sector, contributing to 40% of primary data collection through direct stakeholder engagement. Contributed to the completion of 3 regulatory reports covering Cyber Security, Competency Unit Formulation, and AML-CFT Regime compliance for submission to OJK.

Excel PowerPoint AML CFT Compliance Regulatory Reporting Microsoft Word Quantitative Analysis Analytical Skills

Calculus II Tutor

Universitas Airlangga

Feb 2021 - Jun 2021 (4 months)

Taught 7 Calculus topics - Calculus Fundamentals, Indefinite Integrals, Integration Technique, Specific-Methods Integrals, Rotating Object Volume, Arc Length, and Area Under Curve.

Calculus Integration Arc Length Derivatives Mathematics Quantitative Analysis

Education

Degrees, certifications, and relevant coursework

Universitas Airlangga

Bachelor of Science, Mathematics

2019 - 2023

Grade: GPA 3.40

Activities and societies: Project Leader of 16+ Academic Projects, Calculus Tutor, Operations Research Tutor, Media & Information Division Member of Himpunan Mahasiswa Matematika

Mathematics Graduate specializing in Operations Research and Computation with core competencies in Optimization and Mathematical Modeling. Completed a Thesis on Grasshopper Optimization Algorithm (GOA) Implementation To Solve Heterogeneous Fleet Vehicle Routing Problem (HFVRP). Relevant coursework includes Advanced Operations Research, Optimization, Linear Algebra & Linear Programming.