Cybersecurity ( penetration testing/Defensive Security/Malware Analysis)
Justin Chin Chung Shin
Senior System Engineer, Aspiring MSc, Cyber Security Student
Berlin
Summary
About Me
Results-driven senior system engineer with 5+ years of experience in data warehousing, ETL processes, process validation, and business needs analysis. Skilled in translating customer requirements into actionable project plans. Passionate about Big Data, cloud, cyber security, blockchain and new technologies. Detail-oriented and dedicated to delivering high-quality work. Currently, attending SRH University in Berlin (Masters Cyber Security) for further upskill and self-improvement.
Overview
7
7
years of professional experience
2
2
years of post-secondary education
3
3
Certifications
5
5
Languages
Work History
Senior System Engineer
GlobeOSS Sdn Bhd (https://www.globeoss.com/)
04.2018 - 08.2023
- Optimized Brunei BI telco projects with 50% faster and 30% improved data quality through ETL process. Utilized APIs,databases, and flat files, transformed data using Python,SQL,and Apache NIFI into OLAP/RDBMS. Created automated,user-friendly, and scalable processes with monitoring and SLAs, empowering better-informed decisions and significant cost savings for customers.
- Designed data solutions for Brunei customers, including tables, data marts, models, and aggregations. Utilized SQL/HiveQL to pull and reshape data with proper partitioning for easy data extraction, leading to excellent customer experience and supporting peak-hour traffic and reporting queries.
- Created interactive Tableau/Power BI dashboards for BI projects, merging data and designing visualizations for voice, SMS, data traffic, marketing, resource management, customer relations, and behavioral analysis. Empowered customers to make better decisions through clear insights, AI/ML forecasting, and improved business value.
- Supported Tory Burch's (US) product development by testing a newly introduced PLM system integrated with a legacy PDM system. Utilized SQL server querying and GUI testing to ensure accurate information transfer to the SAP data warehouse and other systems, improving data integrity and consistency.
- Led and mentored teams of 3-5 software developers,including interns,as part of a larger team of 5-12 software engineers.Provided support and collaboration to ensure successful project outcomes.
- Collaborated with pre-sales team to create a death certificate authenticity POC, using Tensor Flow for image classification and validation against a database system. Successfully presented the solution and secured a potential customer.
- Participated in a comprehensive training program focused on improving business email writing skills.
- Earned Swimlane developer and administration certifications,showcasing expertise in Python-based SOC visualization tools,SOAR and SIEM management,and automation.
- Successfully provided training on apache NIFI to Brunei Customers with praise.
Web Application Engineer (Internship)
PersysTechnology Sdn Bhd
10.2016 - 12.2016
- Collaborated in team project,developing innovative construction site fault managing system.Skillfully employed ASP.NET technology,Git,and Tests to oversee project,resulting in well-structured and organized development process.
- Worked with MVC framework, basically acquired know-how on improving overall web programming process by introducing reusability,scalability and modularity.
- Identified and resolved various pitfalls and flaws in web programming,leading to personal development,improved technical and soft skills.
Education
Master of Science - Cyber Security
SRH Berlin University of Applied Sciences
Berlin, Germany 10.2023 - 10.2025
Bachelor of Science Software Engineer - Software Engineering
University Tunku Abdul Rahman (UTAR)
Sungai Long Campus, Malaysia 01.2014 - 01.2018
Secondary School -
Kwang Hua Klang High School
Klang, Selangor, Malaysia 01.2009 - 12.2013
Primary School -
SJK(C) Taman Rashna
Klang,Selangor,Malaysia 01.2003 - 12.2008
Skills
Analytical Queries with complex SQL/HiveQL
Flexible in various RDBMSs OLTPs or data warehouse OLAP
Data integration to Hive (hadoopHDFS)
Custom data mart/aggregation development
BI Reporting & dashboard development
High Volume Data Scaling
ETL development via scripting and/or apache nifi (ETL tool)
ETL processes through one or more pipelines ( Batch Stream )
Collaborated with project management and developers to coordinate testing activities at all stages
Teamwork and Collaboration
Attend / Provide Training and Development
Flexible & Adaptable
Experience developing on mainly Linux / Windows Platform
Penetration Testing (Still Improving, Not limited to Burpsuite , multiple kali tools)
Reverse Engineering & Malware Analysis (Still Improving)
Certification
Swimlane Certified SOAR Developer
Interests
Blockchain/Smart Contract
Cloud
System Architecture
AI (LLM)
Co-Curriculum
CLUBS
- chess club,SMJK Kwang Hua (Highschool - Klang,Malaysia),2013
- badminton club,SMJK Kwang Hua (Highschool - Klang,Malaysia),2012
Timeline
Jr. Penetration Tester [TryHackMe]
01-2024
Master of Science - Cyber Security
SRH Berlin University of Applied Sciences
10.2023 - 10.2025
Swimlane Certified SOAR Developer
01-2023
Swimlane Certified SOAR Administrator
07-2022
Senior System Engineer
GlobeOSS Sdn Bhd (https://www.globeoss.com/)
04.2018 - 08.2023
Web Application Engineer (Internship)
PersysTechnology Sdn Bhd
10.2016 - 12.2016
Bachelor of Science Software Engineer - Software Engineering
University Tunku Abdul Rahman (UTAR)
01.2014 - 01.2018
Secondary School -
Kwang Hua Klang High School
01.2009 - 12.2013
Primary School -
SJK(C) Taman Rashna
01.2003 - 12.2008