Profile Details

Learn more about my background, skills, and certifications.

About Me

I am a Backend Developer & Tech Enthusiast with a deep passion for building high-performance web systems and mastering competitive programming algorithms.

From engineering robust microservices to securing digital networks, I focus on the intersection of flawless logic and solid infrastructure. I actively train for national programming olympiads (TLX TOKI & Codewars) and continuously expand my expertise in modern web frameworks and cloud platforms.

Software Engineer

Programming Languages
Python Python
Go Golang
C++ C++
PHP PHP
JavaScript JavaScript
TypeScript TypeScript
Bash Bash
Web Frameworks
Next.js Next.js
Vue.js Vue.js
Astro Astro
Laravel Laravel
Fiber Go Fiber
Tailwind CSS Tailwind CSS

Cloud Computing

AWS AWS Infrastructure
Docker Docker & CI/CD
Linux Server Configuration
Cloudflare Cloudflare (WAF, R2)

Cyber Security

Kali Linux CTF (Capture The Flag)
Wireshark Network Hardening & Analysis
OSINT OSINT
Metasploit Penetration Testing

Databases

MySQL MySQL
PostgreSQL PostgreSQL
SQLite SQLite

General Tools & Technologies

VS Code VS Code
Linux Linux (Kali)
Git Git
GitHub GitHub
Docker Docker
Postman Postman
Netlify Netlify
Cloudflare Cloudflare
Competitive Programming National Science Olympiad, TLX TOKI (@mfjrxn), and Codewars (Micro Badge).

Biodata

EDUCATION Universitas Trunojoyo Madura
ROLE Backend Developer
LOCATION Indonesia
LINKS
AVAILABILITY
Open for Opportunities

Experience & Organizations

Vice President & Co-Founder

KOALISI (Komunitas Linux, Siber, & Teknologi Informasi) - HIMATIF

May 2025 - Present

Co-Founder and Vice President of KOALISI, a first-generation student community under HIMATIF focused on Linux, cybersecurity, and information technology.

  • Co-founded and helped establish KOALISI from the ground up, building the community's vision, structure, and organizational framework.
  • Led KOALISYNC — structured onboarding program for new members covering vision, structure, and introductory tech sessions.
  • Supported execution of Koalisi Summit, an annual tech seminar/talkshow covering Linux, cybersecurity, and emerging tech trends.
  • Co-managed community agenda including Ramadhan Impact Day and WARTECH (Waroeng Teknologi).
  • Coordinated internal team alignment across Media Creative, Production, and External Affairs divisions.

Founding President

ICT Club - SMA Negeri 1 Babat

Apr 2022 - Oct 2023

Founded and led ICT Club as the first-generation President, establishing the club's vision, structure, and programs from scratch. Responsible for recruiting members, organizing activities, and building a technology-focused learning community within the school.

Commission 6: Creativity, Skills, and Entrepreneurship

MPK (Majelis Perwakilan Kelas) - SMA Negeri 1 Babat

Jan 2021 - May 2022

Member of the Student Representative Council (MPK), serving in Commission 6. Contributed to initiatives supporting student creative development, entrepreneurship, and skill-building programs.

Education

Universitas Trunojoyo Madura

Bachelor's Degree, Informatics Engineering

Aug 2024 - Aug 2028

Currently pursuing a Bachelor's degree in Informatics Engineering (Semester 4, 62 credits completed).

Activities and societies: KOALISI (Komunitas Linux, Siber, & Teknologi Informasi), HIMATIF.

Relevant coursework: Data Structures, Web Programming, Database, Computer Networks, Information Systems, Web Application Development, Desktop Programming, Operating Systems & Computer Organization.

SMA Negeri 1 Babat

MIPA (Mathematics and Natural Sciences)

Jan 2021 - May 2024

Graduated with a focus on Mathematics and Natural Sciences. Actively involved in science entrepreneurship competitions at national and ASEAN levels.

Activities and societies: ICT Club (Founding President), MPK Commission 6 - Creativity, Skills & Entrepreneurship, SWAB Entrepreneurship Team.

Honors & Awards

Silver Medal — AISEEF

Project: SWAB (Smart Waterbag)

Awarded at ASEAN Innovative Science, Environmental and Entrepreneur Fair 2021. Developed an innovative smart hydration solution for hazmat suit users.

Bronze Medal — NASPO

Project: HI-STEP

Awarded at National Applied Science Project Olympiad 2021. Developed an innovative medical device concept integrating stethoscope functionality for hijab-wearing medical personnel.

CTF Cyber Security Participant

Diskominfo Tangerang Selatan

Competed in Capture The Flag Cybersecurity Competition (Apr 2023), applying hands-on skills in network security, cryptography, and ethical hacking.

Development Activity

GitHub Contributions

Fajar's Github chart

WakaTime Stats