Balaji Arumugam
✦ Technical Expertise

Skills & Technologies

A deep dive into my professional toolbelt — the languages, frameworks, and tools I use to build scalable digital experiences.

🎨

Frontend

ReactNext.jsTypeScriptJavaScriptTailwind CSSHTMLCSS
⚙️

Backend

Node.jsExpress.jsREST APIsJWT AuthRabbitMQJava
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Database

MongoDBMongooseMySQL
🛠️

Tools & DevOps

GitGitHub ActionsSwaggerPostman
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Architecture & Concepts

MVC PatternSSR / SSG / ISRMicrofrontendsApproval Workflows
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Currently Learning

CI/CDSpring bootDockerReact NativeClaude Code
Featured Expertise
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Complex Dashboard Engineering

Designing and building real-time production analytics dashboards for manufacturing stakeholders — KPI tiles, multi-series trend charts, downtime analysis, and quality metrics, all kept live with React Query.

Real-time KPI Dashboards
Pareto & Trend Analysis
ChartJS / Apex Charts / Recharts
Downtime & Quality Metrics
Multi-series & Grouped Charts
Timeline Series
⚛️

React Application Architecture

Structuring large React applications that stay maintainable as they grow — modular component design, Microfrontend decomposition with Vite Module Federation, performance tuning, and role-based access at the component level.

Microfrontend (Vite Module Federation)
Code Splitting & Lazy Loading
Component-level Access Control
Redux / Zustand / React Query
Recursive & Dynamic Components
Performance Optimization
🔀

Workflow Systems

Building configurable, multi-stage workflow platforms — from visual drag-and-drop pipeline builders to async message-queue consumers that process stage transitions reliably without data loss.

Visual Workflow Builder (React Flow)
Multi-stage Approval Flows
RabbitMQ Async Processing
Cron Jobs
Audit Trail Logging
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Manufacturing Domain

8 years inside manufacturing operations before writing a single line of production code — gives an understanding of MES workflows, audit requirements, and shop floor realities that most engineers have to be told.

QMS Implementation
ISO Standards Compliance
Six Sigma (DMAIC)
Lean & Kaizen
Gemba Walk Audits
Process Optimization
MES Systems

Want to see my full proficiency list?

Download my resume for a detailed breakdown of my professional journey.