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bravojb

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Saya hanyalah freelancer yang masih dalam tahap belajar.

jika ada yang ingin ditanyakan silahkan chat melalui whatsapp 085349361779

searover

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My recent experience as a Machine Learning (ML) Engineer with 2+ years. Familiar with ML methodologies, namely data preprocessing, training phase, and testing phase. In data preprocessing, it can be ascertained that data cleaning, data transform and feature selection have been carried out so that they can be implemented in model building at the training phase. After obtaining the most suitable model, a final model is made, then the final model is applied in the model evaluation at the testing phase, the results of which can be measured by metrics. My thesis is about the Development of Machine Learning-Based Intrusion Detection System.

My experience as a Software Engineer/Developer for 3 years has made me familiar with software development both front end with HTML, CSS and Javascript and back end with PHP framework and MySQL, Oracle and PostgreSQL databases. When I was a System Analyst for 10 years, I also made the scope of API and database development and directed vendors in designing according to application needs, including using the API Management System and changing the repository from SVN to Git and implementing CI/CD using Jenkins. In both roles I also bridge the needs of internal users and ensure the successful implementation of the application by the vendor. When creating ToR for IT projects, also conduct research on the development of IT technology that will enhance system capabilities according to EA with an understanding of the architecture of Business Processes, Data, Applications and Infrastructure.

Experiences

Jan 2006 - Current

Machine Learning Engineer and Back End Developer at Projects.co.id, Fastwork Technologies Indonesia (Freelance)

As a Machine Learning Engineer or Data Scientist:

• Discuss topics, manual calculations, references, stages, goals, and datasets with end users
• Implement data preprocessing, model building, model evaluation, data visualization and result output based on the results of the discussion

Projects

• Convert Model Tf Lite Into Smaller Size

            Image classification uses Resnet 50 and reduces the saved model size to 40 MB

• Named-entity Recognition NLP Crime News

            Named-entities only on location and time (date) using spaCy

• Sentiment Analysis and Clustering for Essay Opinions and Comments (Literary Works)

            Sentiment analysis uses SVM, previously labeled data using lexicon, and clustering using             K-means

• Sentiment Analysis of Twitter Data

            Sentiment analysis of twitter data uses Naive Bayes by calculating the probability of words in             one sentence to produce positive or negative conclusions

• Data Analysis using Google Collab

            Analyzing data to know probability and implement manual calculation

As a Back End Developer:

• Discuss user requirements with end users
• Seeing the level of complexity of the existing system according to user requirements
• Implement solutions to models, views, and controllers according to business processes on problematic web application features (modules)

Projects

• Adding Function in Laravel 8 Framework

            Implementation of Expert System Algorithm in to function

• Integration and Implementation API SiCepat and J&T

            Implement delivery process at ecommerce platform

• API modification

            Add an external object to existing API

As a System Engineer:

• Configuring the Linux web server so it is ready to be used for web application
• Configuring HAproxy for Linux web server 
• Configuring Maria DB, MySQL, Oracle DB, and PostgreSQL databases on Linux servers
• Migration of web applications and databases to Linux servers
• Perform tuning or optimizing of Linux server capabilities for web servers
• Maintenance, patching, update Linux web server, reverse proxy/HA server, and web application

Projects

• Configure load balancer HAProxy in RHEL or Centos 7
• Monitoring nodes that have been configured with HaProxy
• Configure nginx server as reverse proxy + SSL
• Configure apache server as nginx reverse proxy destination node
• Configure PHP-FastCGI Process Manager (fpm) to maximize the use of server resources so that the application runs optimally

Feb 2021 - Nov 2021

Development of Machine Learning-Based Intrusion Detection System Methods at the Feature Selection, Class Balancing, and Ensemble Learning Stages [Master Thesis]

Researcher

Abstract: The risk of cyberattacks is directly proportional to the growth of applications and computer networks. An Intrusion Detection System (IDS) is implemented to detect cyber attacks in network traffic. However, there are problems detecting unknown attacks or new types of attacks. In addition, there are performance issues regarding detection time, detection accuracy, and false alarms. A machine learning approach takes anomaly detection in network traffic to reduce these problems. The development and utilization of IDS with machine learning have been applied in several studies to improve performance and evaluate attack detection predictions. Choosing the right machine learning approach is necessary to improve the accuracy of cyberattack detection. This research uses a homogeneous ensemble learning method that optimizes tree algorithms, especially gradient boosting tree - LightGBM. The Communications Security Establishment and Canadian Institute of Cybersecurity 2018 (CSE-CIC-IDS 2018) dataset evaluated the proposed approach. The Polynom-fit SMOTE (Synthetic Minority Oversampling Technique) method solved the dataset imbalance problem. The application of spearman's rank correlation coefficient method to the dataset resulted in 24 subset features of the 80 dataset features used to evaluate the model. The proposed model achieves 99% accuracy; precision 99.2%, recall 97.1%; F1-score 98.1%; ROC-AUC 99.1%; and an average-PR of 98.1% and increased the training time of the model from 3 minutes 25.10 seconds to 2 minutes 39.68 seconds.

Keywords : Intrusion Detection System, oversampling, feature selection, homogeneous ensemble learning, CSE-CIC-IDS 2018

Feb 2021 - Jul 2021

Anomaly Intrusion Detection System Based On Homogeneous Ensemble Learning with Oversampling and Feature Selection [Conference Paper]

Researcher

Abstract: The risk of cyberattacks is directly proportional to the growth of applications and computer networks. The Intrusion Detection System (IDS) detects anomalies in network traffic to reduce this risk. A machine learning approach is needed related to this. The development and utilization of IDS with machine learning have been applied in several studies. Choosing the right machine learning approach is needed to improve cyberattack detection. In this study, we used a homogeneous ensemble learning method that optimizes the tree algorithm. The Communications Security Establishment and Canadian Institute of Cybersecurity 2018 (CSE-CIC-IDS 2018) dataset were used to evaluate the proposed approach. The Polynom-fit SMOTE (Synthetic Minority Oversampling Technique) method was used to resolve the imbalanced dataset problem. 23 feature subset results from the application of feature selection on the dataset were used to evaluate the model. The proposed model achieved 99% accuracy; 99,2% precision, 97,1% recall; and 98,1% F1-score.

Keywords: intrusion detection system, oversampling, feature selection, homogeneous ensemble learning, CSE-CIC-IDS 2018

Jul 2012 - Dec 2013

Frontend Developer at Wowrack Indonesia

Implement backend API to Wowrack customer portal

• Discuss methods of API module with System Analyst and Back End Developer
• Implementing business processes based on methods from the API module on each web application feature with a web design framework (Bootstrap)
• Ensure every feature of the web app runs properly

Projects

• Customer Portal Wowrack [customer.wowrack.com, customer.wowrack.co.id]

Mar 2011 - Mar 2012

System Analyst at PT Codecon

Analyzing desktop-based information systems with Oracle database for migration to web-based information systems

• Discuss user requirements with business owner
• Create ERD and tables according to the business process discussion results
• Describing business processes into modules
• Discuss and deliver business processes per module with Back End Developer

Projects

• Staffing Information System the local goverment Klaten

Jan 2009 - Dec 2009

Frontend Developer at KYS Techno Solution

Flash developer & front end developer with PHP

• Discuss user requirements with Back End Developer
• Prepare web pages according to business processes so that they can be processed by Back End Developers
• Make sure the web page comply with UI/UX rules
• Project

• Website Dinas Kesehatan Kepulauan Riau

Jan 2008 - Dec 2008

Back End Developer at JogjaCamp

Develop information system, company profile web based with PHP framework

• Discuss user requirements with Business Analyst
• Create ERD and tables according to the business process discussion results Implementing business processes on every feature of the web application on the web design as a result of the web designer
• Ensure every feature of the web app runs properly

Projects

• Website Denafa Catering
• Website FIB UGM
• Website Ikatan Alumni ITB

Skills

• Intermediate - Computer Networking
• Novice - Security Engineering
• Advanced - Research
• Advanced - Scientific Research
• Advanced - Research and Development
• Intermediate - Artificial Intelligence
• Intermediate - Machine Learning, Deep Learning
• Novice - Artificial Neural Network
• Advanced - Python3 including NumPy, Sklearn, Matplotlib, and SciPy - Scientific Computing and Data Science
• Intermediate - PyTorch
• Intermediate - Pandas
• Intermediate - Data Science (Data Analysis, Data Visualization)
• Intermediate - Data Analytics
• Intermediate - Python Programming Language
• Intermediate - Engineering Sciences Problem Solving
• Intermediate - Information Technology
• Intermediate - Cyber Security
• Intermediate - Application Security
• Intermediate - Information Security
• Basic - DevOps
• Intermediate - Network Security
• Basic - Network Administration
• Advanced - Instrusion Detection
• Intermediate - Vulnerability Assessment
• Novice - Penetration Testing
• Intermediate - Incident Response
• Intermediate - MikroTik Certified Network Associate
• Intermediate - Analytical Skills
• Advanced - Teamwork
• Intermediate - VMware Workstation 11
• Advanced - Linux Server
• Intermediate - Linux Server Administration
• Advanced - Software Development Life Cycle
• Advanced - System Analysis, Design and Implementation
• Novice - Continuous Integration and Continuous Delivery (CI/CD)
• Advanced - Object Oriented Programming
• Basic - .NET Framework
• Novice - Java
• Novice - Go Programming Language
• Advanced - RESTFul APIs/Web Services
• Intermediate - Functional/System Integration Testing
• Advanced - PHP
• Intermediate - Back End Development
• Intermediate - Laravel PHP Framework
• Intermediate - CodeIgniter 4
• Intermediate - Database Query
• Intermediate - Oracle SQL
• Advanced - MySQL Database
• Intermediate - PostgreSQL

rudiawanedwin

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• Master Kimia dari ITB, ahli dalam analisis kimia baik klasik maupun instrumental. Berpengalaman lebih dari 10 tahun mengajar Kimia di SMA dan dosen Analisis Kimia dan Kimia Analitik di Perguruan Tinggi.
• Berpengalaman dalam Percetakan Sekuriti baik desain cetak maupun teknik cetaknya.
• Memiliki keahlian dan pengalaman yang mendalam pada teknologi Komputer, Networking dan Networking Security, khususnya dengan menggunakan Mikrotik dan Ubuntu Server, seperti: Pembangunan dan pengembangan VPN, pengembangan dan aplikasi firewall (blokir bruteforce, flooding, virus, worm dll), membangun server-server Cloud (ownCloud), proxy (Squid), Apache, nginx, mysql, beserta control (menggunakan Zabbix) dan administrasinya (menggunakan Webmin).
  
• Produktif dalam pembuatan aplikasi berbasis web (PHP) dan Android.
• Memiliki usaha sampingan desain interior dan woodworking dengan fasilitas lengkap (termasuk CNC Router 4-axis 70cmx130cm).
  
• Gemar melakukan riset dan pengembangan teknologi berbasis Arduino dan IoT

hadigust

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derysulaiman

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Ilham_puji

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ndra4ever

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upxrobot

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Saat ini, saya bekerja di divisi Teknologi Informasi di sebuah bank konvensional. Telah menggeluti bidang IT sejak tahun 2009, kemampuan yang saya miliki mencakup:

• Web Apps developer (PHP Native,HTML5, CSS, Bootstrap, Javascript)
• Web Server (Apache, Nginx, Lighttpd)
• Networking & Server Administration
• VPN (L2TP/IPSec, OpenVPN)
  
• Database (MySQL, PostgreSQL, MariaDB)

irjenit

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Hai Project Owner,

Perkenalkan nama saya Widoko MYU, sudah berpengalaman lebih dari 16 tahun dalam bidang pemrograman. Saat ini bekerja sebagai Tech Lead di salah satu perusahaan IT di Jakarta & Malang.

Skill :

• Go (Echo, Go Fiber)
  
• Python (Flask, DJango)
• NodeJS (ExpressJS & NestJS)
• PHP (Laravel, Codeigniter)
• .NET (Core, MVC, Blazor)
• Flutter
• ReactJS (React, Native,NextJS)
• Vue
• Angular
• Bootsrap & Tailwind
• MySQL, PostgreSQL, MSSQL, Mongodb, Redis
• Microservice (Docker, Kubernetes)
• Git (Github, Gitlab, BItbucket)
• Jenkins
• Message Brokers (RabbitMQ, Apache Kafka)
  
  

ginggi14

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adityaluc11

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I have skill to manage some device for networking like cisco and mikrotik , and also I'm able to operate linux distros like rhel, debian, ubuntu, etc.

• Linux CentOS, DEBIAN (Web Server use CMS, Samba, DNS Server, MYSQL, phpmyadmin, SSH Server, VPN, DHCP Server, Routing, NTP Server, Web dan Mail Server, FTP, PHP5, APACHE2, WHM, NGINX ).

• MIKROTIK (Routing Static and Dynamic , Firewall, Queue Simple dan Queue Tree Hotspot, VPN, Bridge, Monitoring, DHCP Server dan Client, Wireless, NTP Client, Walled Garden IP, Scheduler, Web Proxy, Eoip Tunnel, Switching, Port Forwarding, Load Balance, OSPF, RIP, BGP, MPLS).

• CISCO ( CDP, LLDP, Loopback Interface ipv4, Routing Static, RIP, OSPF, EIGRP, IBGP, DHCP Server, Access List, VLAN).

• Troubleshooting LAN and WAN Networks.

• Installation of desktop operating systems and server operating systems.

• Able to operate a network monitoring device. 

• Email Server Administrator, Hosting and domain, and Cpanel or WHM.

• Understand Network Topology, Subneting, and Routing. • Work on office network design projects

vincenliie

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Have 3+ Years experience in Web Development. I love to do my expertise and give the project owner the best services/products that the project owner needs.

Current skills :

• HTML
• CSS
• JavaScript
• Node.Js
• React.Js
• Bootstrap
• PHP
• Java EE
• React Native
• Cloud System ( Amazon Web Service, Google Cloud Platform, Microsoft Azure)
• Hosting (Custom Mail, Mail Server, Custom Domain, Set up new Hosting, etc.)

hendra.koch

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Perkenalkan semua, saya Hendra. Berpengalaman 8 tahun menggeluti dunia IT dengan project dari skala lokal hingga nasional. 

andre_98

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irfanarv

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Ahmad_Muzandi

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Christopher.glints

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Glints is the #1 Tech recruitment platform in Asia for companies to build successful teams with young talent. 

TalentHunt by Glints is a premium talent marketplace that helps companies hiring top candidates fast.

arif5wadji

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rajwalika

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gedeardiasa

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ADM_Tech

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Amanah Digital Media 

Menyediakan jasa pembuatan :

1. Website 

2. Blog 

3. Online Store 

4. Web Apps

5. Mobile Apps 

6. Software 

7. Copywriting

renofinsa

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Hello, saya Reno seorang freelancer web developer

bahasa pemrograman yang paling baik saya gunakan adalah PHP dengan framework Laravel dan CodeIgniter, saat ini saya lebih sering handle backend membuat REST Full API dengan PHP dan bahasa pemrograman lain seperti NodeJs dan Golang. Saya sangat suka memecahkan masalah yang dihadapi oleh teman-teman saya harap saya dapat membantu dengan baik.

asistenweb

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Blogger, Web Developer, Internet marketer, Full Work at Home ;)

immank.mk

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hanafi.nur

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Berpengalaman dalam management & maintenance server berbasis linux (ubuntu, debian, centos). Telah 4 tahun berkutat dalam dunia webserver (LAMP/LEMP), wordpress, cpanel dan plesk. Juga teknologi virtualisasi seperti xen, vmware dan lxd.