Achmad Reza Fahlevi

Freelance Fullstack Developer

Skilled in developing scalable applications and modernising legacy systems, bridging complex business logic with effective technical architecture. I leverage AI to accelerate development, optimize algorithms, and ensure efficient containerization and deployment through modern DevOps practices.

Featured Works

A selection of recent projects and architectural solutions.

Experimental

Public

Demo

GoToDo Kanban

High-performance CQRS Todo application designed to handle 10M+ records with OpenSearch.

Public

Demo

Lumina Skincare Commerce

Modern, high-performance e-commerce platform built specifically for the beauty and skincare industry.

Confidential

Audit Management System

Engineered a CI4 + ReactJS platform integrating RabbitMQ and PostgreSQL for streamlined auditing processes in the banking sector.

Confidential

Dynamic Pricing Engine

Driving a Laravel based pricing logic engine performing 650+ formula calculations efficiently for the mining and commodities industry.

Confidential

QC Automation Platform

Developed Laravel + PostgreSQL system with customizable SPC rule detection, optimizing complex forms of 10,000+ fields.

Confidential

POS & API

Architected a robust CodeIgniter 4 backend and React Native mobile app with Bluetooth hardware integration for high-performance retail operations.

Confidential

Academic Reporting Platform

Developed scalable academic reporting platforms capable of generating thousands of complex PDF and Excel report cards.

Confidential

Seller Management System

Built a multi-vendor inventory management system utilizing Laravel and RabbitMQ to orchestrate asynchronous data pipelines.

Confidential

Tool Calibration System

Architected an order management and calibration platform featuring automated reminders and high-fidelity certificate generation.

Confidential

AC Service System

Engineered a comprehensive Document Management and Generator system for a government institution.

Structural History

Sekawan Media & Self Employed.

Freelance Fullstack Developer | Sekawan Media

Dec 2024 - Present

Led the development of a secure auditing platform utilizing CodeIgniter 4 and ReactJS to digitize complex financial auditing workflows.
Integrated RabbitMQ and PostgreSQL to manage high-volume asynchronous tasks and ensure robust, transactional data integrity for banking compliance.
Engineered a scalable pricing logic engine built on Laravel to automate dynamic commodity valuations, optimizing backend processes to efficiently execute over 650 complex formula calculations.
Architected a comprehensive QC management dashboard featuring customizable Statistical Process Control (SPC) rule detection.
Optimized the rendering and processing of massive data forms containing over 10,000 fields, achieving a 70% improvement in overall system performance.

Freelance Fullstack Developer | Self Employed

Dec 2024 - Present

Architect, engineer, and deploy custom web systems, and intelligent decision engines for independent clients.
Manage the full product lifecycle from database design to server deployment, utilizing AI-assisted workflows to maximize development velocity.
Engineered a rule-based recommendation engine that translates complex technical specifications into tailored gear recommendations using a customized decision-tree algorithm.
Developed a dynamic, data-driven web application featuring complex logic jumps, real-time input validation, and an analytical dashboard for academic survey insights.
Designed and deployed a high-performance, responsive, and SEO-optimized web presence tailored to streamline student admissions during peak enrollment seasons.

Technical Lead | Sekawan Media

Mar 2024 - Dec 2024

Led the end-to-end development of a high-performance POS API & Mobile Platform, architecting CodeIgniter 4 backend APIs and React Native mobile applications leveraging Redis and RabbitMQ to sustain 100+ TPS.
Engineered a hybrid, offline-first synchronization mechanism utilizing SQLite for robust local data storage and enabling seamless manual or automated daily syncing.
Led the end-to-end development of a comprehensive Quality Control (QC) Management System utilizing Laravel and PostgreSQL.
Spearheaded technical research and internal tooling, establishing a standardized Next.js boilerplate for modern web projects to accelerate frontend development cycles.
Provided technical guidance and mentorship to team members, fostering professional growth through code reviews and collaborative problem-solving.

Technical Lead (Part-Time) | Sekawan Media

May 2023 - Mar 2024

Led the end-to-end development of a tools calibration management system, strategically planning project execution and architecting an order management platform with automated reminders.
Engineered an automated certificate generation pipeline utilizing Python to dynamically populate Word templates and integrating LibreOffice for high-fidelity PDF conversions.
Optimized legacy MySQL architecture by refactoring complex queries and implementing strategic indexing, reducing slow query execution times by up to 90%.

Full Stack Developer (Part-Time) | Sekawan Media

Sep 2022 - May 2023

Engineered a comprehensive Document Management and Document Generator system for a government institution utilizing CodeIgniter 4 and MySQL.
Developed a Seller Management System using Laravel, MySQL, and RabbitMQ to manage multi-vendor inventories and asynchronous data pipelines.
Built automated inventory synchronization engines pushing product data to platforms like Moka POS and Shopify via REST APIs and webhooks.

Back End Developer (Intern) | Sekawan Media

May 2022 - Sep 2022

Engineered and maintained the Academic Reporting Platform built with CodeIgniter 3, streamlining grading workflows and student performance evaluations.
Optimized backend performance and refactored code to significantly improve the rendering speed of complex nested tables for large-scale academic reports.

Education & Awards

Academic Foundation and International Recognition.

Universitas Negeri Malang

Bachelor's Degree, Information Technology (2021 - 2025)

Focused on advanced software engineering, data structures, and intelligent system architectures.

SMKN 1 Boyolangu

High School Diploma, Computer Software Engineering (2018 - 2021)

Early specialization in fundamental programming principles and software development lifecycles.

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Gold Medal, 8th World Young Inventors Exhibition (WYIE) 2024

Awarded for the innovation and development of Data Quest: Big Data Adventure, an educational RPG game.

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Gold Medal, 11th Indonesia Inventors Day (IID) 2024

Recognized for excellence in educational technology innovation for the Data Quest project.

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Honor Award & Certificate of Appreciation, ICEECIT 2024

Recognized for contributions to the 2nd IEEE International Conference on Electrical Engineering, Computer and Information Technology.

Backend & Frontend

Go (Gin) & Python
React 18 & Next.js (TypeScript)
Laravel & CodeIgniter
React Native & Flutter

Architecture & Infra

CQRS & Clean Architecture
Docker Multi-Stage Builds
PostgreSQL & OpenSearch
Redis & RabbitMQ
CI/CD Pipelines

Advanced Capabilities

JWT & Passkey Security
High-Concurrency Processing
POS Hardware Integration (Bluetooth)
Complex Document Generation
Scalable Monorepo Patterns

Start a Conversation

Open for freelance opportunities, technical consulting, and collaborative partnerships. Let's build something robust together.

Emailachmadreza993@gmail.com

Phone+62 823-3351-2476

Location

Malang, East Java, Indonesia
(Remote Worldwide)

NetworkLinkedIn Profile