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Available for Angular Frontend/Full Stack Java Developer Roles

Hi, I'm Roshan Shreen J

I am a |

Web Developer with 2+ years of experience engineering scalable Angular web applications. Specialized in reactive state streams (RxJS), custom form architecture, HTTP interceptors, dynamic Angular Material components, and API integration.

Technical Competencies

Skills & Architecture Matrix

Categorized breakdown of frontend engineering skills, framework expertise, and cloud learning.

Angular (v17/18)

Core Expertise

Standalone components, Signals, Control flow syntax, Deferrable views, Lazy loading

Proficiency95%

TypeScript & ES6+

Strong

Generics, strict typing, async/await, ESNext decorators, OOP patterns

Proficiency92%

RxJS & State

Advanced

Observables, BehaviorSubject, Subject, operators (switchMap, combineLatest, debounceTime)

Proficiency90%

Reactive & Dynamic Forms

Expert

FormBuilder, dynamic FormArray, custom async validators, nested control validation

Proficiency94%

Angular Material & ng-select

Production

Data tables, pagination, sorting/filtering, overlays, custom themes

Proficiency90%

REST API & HttpClient

Integrated

HTTP Interceptors, centralized error handling, JWT auth tokens, caching

Proficiency92%

HTML5 & SCSS / Responsive

Pixel Perfect

Flexbox, Grid, CSS custom variables, keyframe micro-animations, glassmorphism

Proficiency95%

Google Cloud Platform (GCP)

In Progress

Compute Engine, Cloud Storage, GCP Skills Boost, ACE certification path

Proficiency75%

Git & Agile Workflow

Daily Workflow

Git branching, PR code reviews, Agile sprints, issue tracking

Proficiency88%
Career Journey

Professional Experience

2+ years of engineering enterprise web portals, managing client deliverables, and refining frontend architectures.

Junior Web Developer

InnovateIQ
Oct 2024 – PresentFull-time
  • Architected and developed enterprise-grade responsive web applications using Angular 17/18, TypeScript, RxJS, and Angular Material.
  • Engineered complex reactive form workflows utilizing dynamic FormArray and custom validators for enterprise data entry.
  • Implemented centralized HTTP Client Interceptors for global error handling, headers injection, and authorization streams.
  • Optimized bundle size and render speeds using Standalone Components, Angular 18 Control Flow (@if, @for), and Lazy Loaded routes.
  • Collaborated actively in Agile cross-functional teams, executing strict code reviews and Git versioning.
Angular 18TypeScriptRxJSAngular MaterialHTTP InterceptorsAgile

Freelance Web Developer

Independent / Self-Employed
Feb 2024 – Nov 2024Freelance
  • Delivered end-to-end frontend web solutions for independent commercial clients.
  • Designed, engineered, and deployed a responsive business web portal for a small-scale oil supply business.
  • Managed end-to-end requirement gathering, UI/UX prototyping, customer inquiry forms, and domain launch.
ReactClient ManagementResponsive Web DesignHTML/SCSS
Featured Deliverables

Projects Showcase

Selected portfolio work spanning commercial web portals, e-commerce platforms, and IoT biometrics software.

Freelance Production Web Application
2024

Oil Supply Business Portal

End-to-End Responsive Portal for Commercial Fuel & Oil Distribution

  • Interactive Lubricant & Fuel product catalog with instant category filtering
  • Custom bulk volume quotation calculator
  • Responsive inquiry form with reactive validation & notification
HTMLCSSJavaScriptSQL liteNode.JSWhatsapp Integration
Interactive Mini Project
2024

Flipzon E-Commerce Platform

Feature-Rich Online Shopping Web Application

  • Dynamic shopping cart state powered by RxJS BehaviorSubject
  • Real-time total order price & tax breakdown calculator
  • Product search & sorting by rating and category
HTMLCSSJavaScriptSQLJava
IoT & Academic Hardware Software Project
2021

Face Recognition Election Voting Unit

Biometric & Aadhaar Authentication System on ESP32-CAM

  • Real-time facial keypoint extraction & voter verification
  • Automatic duplicate vote detection and security alarm trigger
  • Aadhaar ID cross-matching database interface
ESP32-CAMBiometrics APIEmbedded C++PythonWeb Dashboard
Learning & Academia

Certifications & Education

Formal degree credentials, industry certifications, and Google Cloud learning milestones.

B.E. Electronics & Communication Engineering

Ambal Professional Group of Institutions, Anna University, Chennai

CGPA Score:7.97 / 10
Duration:2017 – 2021
HSC (12th Grade) — Sri G.V.G Visalakshi Matric. HSS 91% Marks
SSLC (10th Grade) — Sri G.V.G Visalakshi Matric. HSS 95% Marks

DevOps with AWS

Error Makes Clever Academy(EMC)

In Progress

Google Cloud Associate Cloud Engineer (ACE)

Google Cloud Skills Boost

In Progress

Full Stack Java Development

Cranes Varsity

Completed

Google UX Design Certificate

Google / Coursera

Completed

ReactJS for Beginners

Simplilearn

Completed

WordPress Website Development

Coursera

Completed

Building Modern Python Apps on AWS

Coursera

Completed

Artificial Intelligence

IBM

Completed

Geoprocessing using Python

ISRO

Completed

Resume Documents

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