// Hello, World! I'm

Luky Setiawan

Software Engineer

5 years as Full-stack dev turned Software Architect. Expert in scalable infrastructure, security automation & high-performance systems for enterprise efficiency.

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// Check out my work

Featured Project

Fill Algorithm Webgl

Fill Algorithm Webgl

Fill algorithm benchmarking tool built with react, for both Flood Fill and Scan Line Fill

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Go Rajaongkir Destination Cache

Go Rajaongkir Destination Cache

Rajaongkir destinations caching microservice to reduce possible repetitive API request usage

cachedelivery-serviceecommercefeaturedgomicroserviceportfoliopostgresql
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Modbus Api

Modbus Api

Modbus Industrial Relay REST API service, used by Yogyakarta's local billiard courts

category-backendfeaturedmodbusnodejsplc-programmingportfolio
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Nuxt Gauss Elimination Page

Nuxt Gauss Elimination Page

University assigment for gauss elimination calculator

category-frontendfeaturednuxtportfolioprobabilityvue
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Outsourcing App

Outsourcing App

Outsource human resource management system, simplifying recruiters workflow using dynamic forms, advanced filters and reporting dashboard analytic

alpinejscategory-fullstackcodeigniter4featured-projectfull-stackphpportfoliopostgresqlrbac
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Plexicus Cli

Plexicus Cli

Plexicus CLI App to help DevSecOps manage their project using automation scripts and commands, build with Rust to aim multi architecture builds

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Portfolio

Portfolio

Personal portfolio website, built with astro and full sets of SEO tools with automated projects pulling and resume generator, currently still in development aim for public usage

astrocategory-frontendcloudflare-pagesfeaturedgithubgithub-apiportfolioreacttailwind
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View All on GitHub

// Contributing to the community

Open Source Contributions

<Featured Contributions />

@Slackluky Astro contributions

Astro

Contributor

Website build tool for the modern web powerful developer experience meets lightweight output.

Medusa

Contributor

The best commerce platform for developers and agents. The most popular open-source platform for commerce. Built to be customized by developers and AI.

View All on GitHub

// Where I've worked

Professional Experience

March 2025 - March 2026
Contract

Software Engineer

PlexicusRemote

Led full-stack development and UX enhancements at Plexicus, achieving +200% engagement and +100% activation through performance and analytics optimization.

  • Led development of Plexicus's website with another team
  • Build a company profile website for Plexicus resulting in 200% user engagement
  • Working with the backend team to reduce cold start time of Plexicus Remediation Engine
  • Implemented user analytics in the Plexicus website and Plexicus Platform
  • Improving Plexicus Platform User Interface and User Experience resulting in +100% user activation
VueNuxtFirebaseGoogle AnalyticsPosthogMongoDBRest APIPostgreSQLTemporal.ioDockerKubernetesAstroFastapiRedis
January 2025 - August 2025
Freelance

Front-end Developer

Wacaku(Wizpen)Remote

Engineered core UI features and state management for Wacaku using Next.js, while developing internal tools and collaborating on technical requirements.

  • Develop features on Wacaku platform front end such as comments, promotions, and advanced filters using Nextjs and handles UI components, state management, and API integration
  • Develop internal tools and dashboards
  • Collaborated with product team to define technical requirements
JavascriptNodeJsReactNextJsRedisWebhookRest APIFirebase
Nov 2024 - January 2025
Freelance

Full Stack Developer

Sapacepat.aiRemote

Architected a scalable real-time chat ecosystem for Sapacepat.ai, integrating NestJS-powered WhatsApp Webhooks with a high-performance frontend built on Svelte and Next.js.

  • Engineered a scalable webhook system with NestJS to process WhatsApp Business API events in real-time with reliable, structured data flows
  • Integrated secure webhook endpoints to handle payloads, verification challenges, and interactions while maintaining WhatsApp API compliance
  • Developed robust logging and monitoring for event delivery and troubleshooting, optimizing webhook performance and reliability
  • Built a real-time web chat platform leveraging Svelte for interactive components, Next.js for SEO-optimized pages, and NestJS for a modular backend
  • Implemented efficient real-time messaging through REST APIs and WebSockets, ensuring low-latency communication between users
  • Optimized cross-functional architecture to support scalability and high availability, balancing modern frameworks for a secure user experience
JavascriptNodeJsNestJsPostgreSQLReactNextJsRedisWebhookRest APISvelte
Feb 2021 - Nov 2024
Full Time

Full Stack Developer

BotikaHybrid

Led performance optimization and modernization initiatives at Botika, achieving a 46% performance boost while mentoring a team of developers and delivering end-to-end client solutions.

  • Trained 3 people in front-end basics and supported their professional development
  • Worked with an agile team of 4 members and provided end-to-end solutions for clients
  • Introduced modern JavaScript frameworks to legacy codebases
  • Implemented performance tuning on stored procedures and back-end queries, resulting in a 46% improvement in application performance
  • Optimized code efficiency and methodologies to enhance software performance and Developer Experience
PHPJavaScriptCodeigniterVueNuxtWebsocketRedisMysqlWebhookRest API
Download Resume

// My academic background

Education & Certifications

Bachelor of Information Technology

Universitas Janabadra

Yogyakarta, Indonesia|2019 - 2024|GPA: 3.21

Key Achievements

  • Co-assisted Lecturer in the relational database subject

Diploma of Information Technology

SMK Negeri 2 Depok

Yogyakarta, Indonesia|2014 - 2018|GPA: 3.2

Key Achievements

  • Participate and achieve MTCNA Certification

<Professional Certifications/>

MTCNA

Mikrotik

2018