Enterprise System
IRTS ONE
Enterprise operation platform for tire retreading workflows, including mobile app, web app, admin monitoring, reporting, and migration from legacy ITMS.
FlutterReactGoNode.jsPostgreSQLRedis
Fullstack Software Engineer
Sarikhin builds production-ready web, mobile, backend, and SaaS systems.
I work with Go, Flutter, React, Nuxt, PostgreSQL, Redis, Docker, and Linux infrastructure to build reliable software for real business operations.
3+ years
Software engineering experience
Web + Mobile
Production application development
Go + Flutter
Backend and mobile specialization
SaaS + OSS
Products and open-source tools
About
Product-oriented engineer with software, infrastructure, and domain experience.
I build systems end-to-end: backend APIs, mobile apps, web dashboards, database workflows, deployment, reporting, and production maintenance. My previous QA/QC, pharmacy, validation, and CSV background helps me understand regulated and operational domains.
Featured Projects
Production systems, SaaS initiatives, and open-source work.
Production
SaaS / Healthcare / HR
obat.in
Modular SaaS ecosystem for pharmacy, clinic, HR, POS, inventory, procurement, RME, SATUSEHAT integration planning, multi-tenant architecture, and security assessment roadmap.
GoReactPostgreSQLgRPCDockerNginx
SaaS / Fleet Tracking
Vetracka
Fleet tracking platform using Flutter, Go Fiber, GPS, OBD2, PostgreSQL, Redis, and web dashboard for multi-tenant vehicle monitoring.
FlutterGo FiberPostgreSQLRedisReactDocker
Open Source / CLI
ComposeGuard
Open-source Go CLI tool for validating Docker Compose configuration and helping developers catch configuration issues before deployment.
GoDocker ComposeCLIGitHub ActionsYAML
Web Tool
React PDF Tools
Browser-based PDF tool for merging, inserting, reordering, copying pages, adding text, images, and signatures with interactive preview.
ReactViteTypeScriptPDF.jsTailwind CSS
Document Management
SISKERMA
Document management system for managing MoU, MoA, and collaboration documents at Pelita Bangsa University.
ReactViteDjango REST FrameworkMySQLLinuxNginx
Experience
Engineering experience across enterprise, university, and product systems.
Fullstack Developer
PT. Indo Retreading and Tire Service
May 2023 - Present
Developing and modernizing enterprise web, mobile, backend, and reporting systems for tire retreading operations.
Fullstack Developer
Pelita Bangsa University
Dec 2022 - Present
Building and maintaining web applications for document management, quality management, and digital signature workflows.
Fullstack / Backend Developer
Agung Sedayu Group
Jan 2022 - May 2023
Contributed to mobile and backend development for enterprise property and city application systems.
Tech Stack
Tools I use to build and maintain production-ready systems.
Backend
GoGinFiberNode.jsExpress.jsDjango REST FrameworkgRPCREST API
Frontend
React.jsViteTypeScriptNuxtVue.jsTailwind CSSZustand
Mobile
FlutterDartFirebaseAndroidGoogle MapsBackground Service
Database & Messaging
PostgreSQLMySQLRedisRabbitMQSQL ReportingMigration
Infrastructure
DockerDocker ComposeNginxLinux ServerSSLGitHub ActionsAWSGCP
Domain, Observability & Security
Healthcare SaaSPharmacy POSHR & Organization ManagementMulti-tenant SystemGrafanaLokiPrometheusAudit LogBackupSecure Deployment