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Founder

Berdata

Berdata provides the latest information about data science and related fields with up-to-date blogs and educational material in Bahasa, Indonesia.

We also provide services to fulfill your data science and machine learning model needs, including:

- Data Analysis and Visualization
- Predictive Modeling and Machine Learning
- Business Intelligence (BI) Solutions
- Generative Artificial Intelligence and Deep Learning Solution Development
- Data Strategy and Consulting
- Optimization and Automation
- Training and Workshops

Arif Analytics

As the Lead Data Scientist and Startup co-founder, I oversee the data science team and steer the direction of the AI product. I will also collaborate with the other departments to ensure the AI product is on the right track.

My responsibilities including:
• Led the development of Data Science Dashboard features, including Data Visualization, Speech-to-Text, and Statistical Analysis, and enhanced the platform with LLM-powered Retrieval-Augmented Generation (RAG) and Agent capabilities
•Produce Product Requirements Document (PRD) and ensure the direction of AI product following the company vision.
•Managing the AI product usage and the cost incurred related to the AI activity.
•Collaborated with the team members to achieve target results and meet deadlines. Validate the timeline with the developer teams.

Lead Data Scientist (Generative AI/ LLM)

Stealth Startup

As an AI Engineer, I specialize in developing advanced AI products that leverage both open-source and closed-source LLM services. The product focuses on validating the business and connecting with the investor with AI.

My responsibilities including:
• Develop Financial-AI powered application with both open-source and closed-source LLM services.
• Implement AI models’ architecture and ensure the AI product met the company vision.
• Ensure AI models seamlessly integrated with the existing system.
• Translate the business requirement into necessary solution required from the application.

AI Engineer (Generative AI/ LLM)

KDnuggets

Contributing Writer

Allianz

•Generate Data Science end-to-end working framework for the company and implement MLOps design within the framework. End-to-end means from understanding the business problem to the model monitoring.

•Successfully implemented and supervised various Machine Learning model to improve the business quality, including:

    o Successfully implemented and supervised Propensity-to-Buy Machine Learning models in several business lines to meet the business target and achieved close to 150% of the Annual Target.
   o Develop a customer segmentation model and analyze the segment data to provide insight into actions suitable for each segment. The action insight is used to support the Propensity-to-Buy project.
   o Successfully implemented and supervised Churn Prediction Machine Learning models to avoid customer loss. Help decrease churn rate by 3%.
   o Technical Project Leader for Fraud Detection Model Project in 2024 that help improve claim fraud business pipeline.

•Leading teams of data scientist junior for the Machine Learning Project and educate the teams to be more independent

•Educate the company regarding the benefit of Data Science and Machine Learning to bridge the business and technical requirement

•Develop Microstrategy Business Intelligence Dashboard for Business User based on the Machine Learning project

•Implement the ML Cloud-Based Services AWS within the company, specifically for end-to-end data science use cases (In progress)

Data Scientist Assistant Manager (ML / LLM/ MLOps)

- Working day-to-day on the data project within the business to increase the business values of the company using the power of the data
- Harnessing the power of Machine Learning within the company department depends on the business user requirements. 
- Educate people for the AI and Machine Learning benefits to the Business user

Data Scientist Supervisor

Purwadhika Startup School

•	Successfully conducting a classroom session for Data Science Course with participants both from a professional industrial background (Banking, Finance, HR, Math, Marketing, etc.) and Fresh Graduate. 

•	Responsible for creating the Data Science teaching material and successfully implemented this material in the teaching session. Material including Python Programming Fundamental, SQL Fundamental, Data Science Analysis Methodology (Focus in Statistical Analysis and Visualization Analysis), and Machine Learning for Data Science. 
 
•	Responsible to supervise the social media analysis project. Currently in progress of the sentiment analysis project. Future project plan including customer segmentation analysis and forecasting.

Head of Data Science

Potentialpark

•	Auditing career website from a various company and provide feedback to the team leader
•	Gained experience in detail work and teamwork

Auditor

Department of Cell and Molecular Biology, BMC, Uppsala University

•	Assisting ongoing research by planning research plan, documenting research progress and analysing the research data
•	Establishing a Standard Operational Procedure for one of the research at the laboratory

Summer Research Assistant

Level up Your ML Game ❤️️| Writing a Lot | Data Mentor

🔹 I turn data into ROI for businesses by designing AI systems that solve high-impact problems—from fraud detection to customer retention. With 6+ years leading enterprise data science teams (like Allianz) and deploying LLM-powered tools, I bridge the gap between technical teams and business stakeholders.

🔹 I've written 500+ articles for platforms like KDNuggets, Machinelearningmastery, Towards Data Science, and Non-Brand Data (2M+ monthly readers), breaking down complex AI/ML concepts into actionable insights. My content isn't just theory—it's battle-tested from projects like:
✅ Propensity models that drove 150% of Allianz’s annual revenue targets
✅ Fraud detection systems reducing losses by 7-figure margins
✅ LLM chatbots with RAG that cut customer support costs by 30% 

🔹 Now, I help professionals and companies:

👉Consulting: Machine Learning Pipeline, LLM product design, and AI strategy.
👉Mentorship: Transition into data science careers via 1:1 coaching (100+ mentored since 2019).
👉Content: Partner with brands for technical articles, workshops, or whitepapers.

Let’s collaborate if you need:

📌A pragmatic AI consultant who ships code, not just slides.
📌A technical writer to simplify AI/ML for your audience.
📌A mentor to fast-track your data science career.

📩 DM me for consulting inquiries, mentorship slots, or content partnerships.

Cornellius Yudha Wijaya

PT Midory Cipta Kreasi

- Providing new project about face recognition and tracking for customer store retail using YOLO and Django.
- Creating automation scheduling project for employee using Genetic Algorithm using DEAP framework library and Flask

Machine Learning Engineer

Green Academy Indonesia

- Responsible for teaching and mentoring for program fast-track data science
- Working on weekends (Saturday and Sunday)
- Mentoring for students to build portfolio projects

Data Science Trainer

Coding Studio

- Providing material and guiding students during training sessions.
- Ensure students get maximum training sessions with appropriate training techniques.
- Leads classes and provides consultation with students to understand their goals and level of understanding during sessions if necessary.
- Using in-depth knowledge to answer student questions.
- Evaluating/providing feedback to students
- Accompany students during practice.
- Correcting student assignments
- Collaborate and work with the academic team to ensure sessions run optimally and effectively.
- Collaborate and work closely with academic teams to create industry-appropriate curriculums.
- Assist in developing training materials

Orbit Future Academy

- To plan and prepare courses, schemes of work, and individual lessons; appropriate to the needs, interests, experience, and existing knowledge of the students in one's class based on the content & curriculum team set.
- To teach a class or classes sets, groups, or individual students, and to set tasks to be undertaken, both inside and outside the classroom.
- To mark and assess students' work and to record their development and progress.
- To take responsibility for maintaining good order, discipline, and respect for others, among the students inside the classroom; to promote understanding of the institution's rules and values; to develop relationships with and between students, conducive to optimum learning. Coaches are expected to present as an appropriate role model in using language and communication in a timely manner.
- To maintain an attractive, engaging, fun, and stimulating classroom environment.
- To evaluate and review one's own teaching methods, materials, and schemes of work, and to make changes as appropriate.
- To be up-to-date with current educational thinking and practices; to improve one's pedagogy and understanding of students’ behavior and development, both by study and by attendance at courses, workshops, and meetings; and to participate in appraisals and reviews of one's work, arranged by the Academic Coordinator.

Senior Artificial Intelligence (AI) Instructor & Mentor

- Responsible for teaching Artificial Intelligence topics to college-level students,
- Designing and implementing learning strategies for students,
- Developing (additional) course content and instructional materials and assessments
- Maintaining instructional records,
- Submitting student attendance reports once a week,
- Developing and evaluating artificial intelligence courses and materials learning outcomes.

Artificial Intelligence (AI) Instructor & Mentor

PT Global 7 Teknologi

- Create API for payment gateways like Zipay and Rajabiller using Flask
- Develop face recognition system using Software Development Kit (SDK) like Python, Raspberry Pi and Intel Neural Compute Stick 2
- Directly involved in product fixing and testing, including maintaining bugs
- Have direct discussions and coordination with the user
- Developing face recognition system with 2 team members and 2 programmer
- Report to IT Leader, Director, and Commissioner

Projects: Ayo Scan, Ayo Tech, Arya Duta
Tools: Raspberry Pi 4, Intel OpenVino NCS 2, MySQL, MariaDB, Postman, SQLyog, Visual Studio Code

Programmer

PT Summitra Solusindo

- Work under the Monitoring Division to develop a SIMODIS 2 website
- Handle 15 modules for the landing page
- Analyze data using Microsoft SQL Server tools
- Checking bugs and fixing bugs after product testing
- Create a daily report for operational activity, including checking a database every day
- Teamwork closely with BI and 5 programmer
- Reporting a progress to Senior Programmer and Project Manager

Projects: SIMODIS 2 Website (for the Ministry of Finance of the Republic of Indonesia and Bank
Indonesia)
Tools: Microsoft Visual Studio, Express.js, Jira, Microsoft Office (Word, and Excel), Navicat, Microsoft SQL Server

PT. Noxus Ideata Prima

- Create a dummy dashboard XYZ using CodeIgniter and Node Js
- Create form upload with the CRUD method
- Learn to use Rest API, CodeIgniter, AJAX, jQuery, and Node.Js 
- Work based on requirements to reach KPI
- Teamwork with 1 Backend Developer
- Reporting progress to Senior Web Developer

Project: Dummy dashboard website XYZ
Tools: Sublime Text, Trello, Postman, Node.js, PostgreSQL, CodeIgniter, and Discord

Web Development Intern

Senior Artificial Intelligence (AI) Instructor & Mentor at Orbit Future Academy | AI Enthusiast | Researcher

Hello, I'm Fendy. I have been a professional teacher and developer in AI and Data Science with three years experience, with a strong focus on researching the digitalization of Indonesian cultural heritage. I possess skills in machine learning, Python programming, and data analysis, which I apply in an industrial business context.

I have presented about AI for humaniora at various seminars and conferences in Indonesia, including PyCon ID, PyCon APAC, and events organized by the Jakarta Arts Council, several universities, and corporate partners.

For more information, visit my page:

WordPress:  journeywithfendy.wordpress.com
Medium:     medium.com/@journeywithfendy
GitHub:       github.com/fendy07

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The Battle

Cornellius Yudha Wijaya

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