Shakil Sarkar - Full-Stack Developer & Shopify Expert
CAREER & DEVELOPMENT JOURNEY

Engineering Evolution & Milestones

A continuous track record of building production Shopify storefronts, full-stack merchant tooling, and performant web applications with verified impact and architectural discipline.

Track Record
1+ YearsSpecialized Hands-on Development
Quality Benchmark
100%Clean, Standard-Aligned Architecture
Work Modality
Remote / FreelanceGlobal Client Engagements & Collaboration
Core Competency
Modern ToolingLiquid 2.0, React, Next.js, Node.js, GraphQL
Technical Path

The Development Journey & Technical Milestones

Structured around verified application deliverables, custom theme implementations, and foundational system engineering.

Stage 03 · Current Focus

Advanced E-Commerce Architectures & Custom Apps

Leading custom Shopify theme development from scratch (Liquid 2.0), headless/storefront integrations, custom merchant app automation, and checkout extensions.

Shopify Liquid 2.0Storefront APINode.js / ExpressPrismaNext.js

verifiedKey Production Deliverables

Shopify AppRATEX Bulk Manager

Custom Shopify app engineered for rapid bulk catalog management, automated tag/price rules, and merchant efficiency.

Automation EngineGold Price Sync

Real-time automated pricing engine utilizing custom webhook handlers and background jobs to recalculate inventory rates on-the-fly.

Custom Liquid FlagshipMEX Dynamics

Custom high-performance theme with dynamic multi-tier vehicle filtering and robust Shopify Metafield data architecture.

terminalProduction Architecture Standard
Strict Liquid LintingWebhook IdempotencyModular Blocks
Stage 02 · Full-Stack Expansion

Modern Full-Stack Applications & API Integrations

Transitioned deep into headless architectures, REST/GraphQL design, server-side data synchronization, and state-driven frontend components.

ReactNext.js (App Router)TypeScriptTailwind CSSREST / GraphQLSQLite

code_blocksEngineering Focus & Implementations

Architecture ConceptZenith Life & Finance

Designed and prototyped an offline-first architecture concept using embedded SQLite synchronization, encrypted state storage, and intuitive data structures.

Integration ArchitectureSecure Webhook Pipelines

Engineered reliable webhook pipelines featuring cryptographic HMAC validation, replay protection, queue buffering, and idempotent database insertion.

API Integration Reliability100% Verified Payloads
HMAC Signature VerificationZero-Loss Queue Design
Stage 01 · Core Foundation

Web Standards, Frontend Mastery & E-Commerce Fundamentals

Solidified core foundations in semantic HTML5, WCAG accessibility benchmarks, responsive layouts, modular CSS, modern ES6+ JavaScript, and Shopify Theme Architecture.

HTML5 SemanticCSS3 / TailwindJavaScript (ES6+)Shopify CLIGit & GitHub

speedOptimization & Merchant Schema Discipline

Performance EngineeringCore Web Vitals Auditing

Systematically audited multiple storefronts to eliminate Cumulative Layout Shift (CLS = 0) and target sub-2 second Largest Contentful Paint (LCP) benchmarks.

Storefront FlexibilityTheme Editor Schemas

Engineered merchant-friendly JSON schemas allowing store operators to effortlessly adjust content, layouts, and promotional announcements without writing code.

0.00Target Layout Shift (CLS)
< 2.0sLargest Contentful Paint
100%Semantic Accessibility
COLLABORATION METHOD

How I Approach Client Engagements

Engineering exceptional software requires predictable communication, rigorous upfront scoping, and code that is easy for internal teams to maintain long after launch.

architecture
01 / Foundation

Requirement Synthesis & Architecture First

Clear technical scoping, schema design, and zero guesswork before writing production code. All requirements, endpoints, and data contracts are documented before development begins.

check_circleRigorous Upfront Scoping
video_chat
02 / Communication

Async & Transparent Collaboration

Daily Loom updates, atomic Git commits, transparent milestone pacing, and seamless timezone overlap. You always know what was completed today and what is lined up for tomorrow.

check_circleFull Development Visibility
handshake
03 / Delivery

Maintainable, Zero-Bloat Handover

Merchant-friendly schema blocks, comprehensive README documentation, and clean modular codebases that any team can inherit and scale without friction.

check_circleClean Handover Guarantee
Next Steps

Ready to collaborate on your next project?

Whether you need a bespoke Shopify flagship, custom theme development, or high-performance web tooling, let's discuss your timeline and technical specs.

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