Ushan Perera

Full Stack • Web & APIs • Mobile • Linux & Infrastructure

Full Stack Developer

Shipping modern web and mobile experiences end to end—solid APIs, thoughtful UI, and the Linux and infrastructure depth that keeps systems dependable.

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Delivery Snapshot

From full stack delivery to production infrastructure

Web and mobile product work backed by serious systems discipline—Linux ownership, scripting, reliability practices, and secure operations learned in real production environments.

9+

Years Experience

Delivery across infrastructure operations, Linux administration, application engineering, automation, and production support.

100+

Systems Supported

Hands-on exposure across Linux environments, servers, monitoring, and enterprise infrastructure.

20+

Automation Flows

Operational scripting, admin tooling, monitoring logic, and process automation.

24/7

Ship & Support

Product-focused delivery with an operations mindset: uptime, incidents, hardening, and stable releases.

Core Expertise

Systems reliability plus modern application engineering

Linux Administration
Bare Metal Infrastructure
Red Hat Enterprise Linux
RHCSA & RHCE
ISO 27001 (governance & ISMS)
Networking
Bash Automation
System Hardening
Monitoring & Alerting
Production Support
Identity & Access
Backup Operations
Incident Response
Infrastructure Reliability
TypeScript & JavaScript
React & Next.js
REST & API Design
Mobile Development
React Native

Featured Projects

ERP, finance ops, observability, CMS estates & open infrastructure

A sample across SaaS platforms, enterprise monitoring and cloud governance, high-scale CMS programs, and public automation on Linux and bare metal.

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ERP-style SaaS for production companies

Foundational ERP patterns for manufacturing and production: inventory, orders, shop-floor handoffs, BOM light structures, and role-aware workflows — designed for disciplined releases and audit-friendly operations.

SaaS architectureMulti-tenant patternsAPI designPostgreSQL
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Real-time monitoring & alerting at enterprise scale

Signal-rich observability for large estates: golden metrics, SLO dashboards, alert routing with on-call semantics, and noise control so platform teams see real incidents — not pager spam.

Prometheus / GrafanaAlertingLoki / logsRunbooks
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Custom CMS & high-volume web programs

Editorial-grade CMS experiences, reusable content models, and performance-first delivery — suited to agencies and enterprises managing large footprints (350+ sites and similar estates).

Headless & hybrid CMSNext.jsEditor UXMulti-site governance
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Writing

Ideas on Linux, infrastructure, automation, and reliability