Senior Full-Stack Developer · Technical Lead

Sarim Ali KhanBuilding systems that scale.

I architect scalable web platforms.

I design, build, and lead high-performance digital products across hospitality technology, e-commerce, telecom, and connected experiences.

Sarim Ali Khan, Senior Full-Stack Developer and Technical Lead
Karachi · Working globally
10+Years of full-stack experience
1M+Vehicle valuations handled
1,000+Gift cards generated in seconds
5+Attempted attacks prevented
About

Engineering depth. Leadership perspective.

I am a senior full-stack developer and technical lead with a decade of experience turning complex business needs into reliable digital products. My work spans application architecture, hands-on engineering, integrations, security, performance, and delivery leadership.

From connected hospitality platforms and high-volume messaging to digital gifting and e-commerce, I bring a practical, product-minded approach: understand the problem, build the right system, and leave the platform stronger than I found it.

01 · ARCHITECTURE

Scalable platforms

Designing maintainable frontend, backend, API, and data layers for products expected to grow.

02 · DELIVERY

Reliable execution

Turning ambitious roadmaps into secure releases through clear ownership and engineering discipline.

03 · LEADERSHIP

Teams that improve

Mentoring engineers, reviewing code, and connecting technical decisions to measurable business outcomes.

Career journey

Experience

A progression from hands-on product engineering to architecture, technical leadership, and global platform delivery.

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APR 2021 — PRESENT

Senior Full-Stack Web Developer

WorldVue · United States · Remote

Leading full-stack architecture and delivery for hospitality, multifamily, senior living, and enterprise technology platforms, including Smart TV experiences, Chromecast and Android deployments, mobile integrations, and OpenWiFi-enabled connectivity.

CURRENT · CONTRACT

Senior Full-Stack Developer — Contract

SchoolVoice · United Arab Emirates · Remote

Contributing to SchoolVoice, a UAE-based school communication and parent-engagement platform. Supporting full-stack product development, platform improvements, integrations, and reliable delivery for digital tools that help schools communicate effectively with families.

FEB 2020 — MAR 2021

Head of IT Department

GiftKarte Technologies · Pakistan

Led a cross-functional engineering team, modernized the platform from CodeIgniter to Laravel, strengthened security, and delivered CRM, loyalty, scheduled gifting, payment, and employee-recognition systems with zero production downtime.

DEC 2018 — JAN 2020

Senior PHP Developer

Top Gear Media · United Kingdom / Pakistan

Co-developed VoodooSMS, its REST APIs, high-volume messaging workflows, delivery reporting, telecom integrations, and scalable reseller capabilities.

APR 2016 — NOV 2018

Full-Stack Web Developer

Axact IT Company · Pakistan

Delivered Laravel applications, CRM systems, custom WordPress themes and plugins, and responsive interfaces in collaboration with design, product, and QA teams.

Career highlights

Evidence beyond job titles

Selected outcomes that reflect technical ownership, dependable delivery, and business-aware engineering leadership.

PROMOTION · LEADERSHIP

Promoted to Head of IT

Advanced from Senior Technical Lead in recognition of delivery performance and the ability to lead a cross-functional engineering team.

RELIABILITY · DELIVERY

Zero production downtime

Maintained dependable delivery while leading complex releases and platform modernization at GiftKarte.

SECURITY · MODERNIZATION

Prevented 5+ attempted attacks

Strengthened application security during the CodeIgniter-to-Laravel migration, helping avoid potential financial loss.

GLOBAL · CONNECTED EXPERIENCES

International platform deployments

Supported hospitality technology deployments spanning Smart TV, Chromecast, Android set-top boxes, mobile integrations, and OpenWiFi.

Selected impact

Work that moved the needle

Representative platforms where engineering quality translated into stronger operations, scalability, and customer experience.

Digital gifting · Mobile APIs · Platform modernization

GiftKarte — Digital Gifting Platform

Developed an end-to-end solution for Pakistan’s leading digital gifting platform. Built and maintained backend APIs supporting the GiftKarte mobile app, alongside CRM, loyalty, scheduled delivery, secure payments, and the Ignite employee-recognition platform.

Impact: 10,000+ app downloads and 1,000+ e-gift cards generated in seconds
Telecom · High-volume messaging

VoodooSMS

Bulk SMS, Advanced WebSMS, CascadeSMS, ChatSMS, live reporting, third-party APIs, and reseller operations.

Visit VoodooSMS ↗
Focus: throughput, reporting accuracy, and integration reliability
Automotive · High-traffic platform

SYC2J

Instant vehicle valuation, inspection scheduling, digital sale completion, and payment workflows for a customer-facing platform.

Visit Sell Your Car 2 Jack ↗
Scale: more than 1 million vehicle valuations
International commerce · CRM

I&A International

E-commerce and CRM capabilities supporting online sales, customer management, order processing, and secure authentication.

Visit I&A International ↗
Scope: full-stack delivery for an international retailer
Technical toolkit

Expertise across the stack

A practical toolkit built through a decade of shipping, modernizing, securing, and scaling real-world platforms.

Frontend engineering

ReactNext.jsJavaScriptHTMLCSSTailwindBootstrap

Backend & APIs

PHPLaravelCodeIgniterNode.jsExpress.jsPythonREST APIs

Data & infrastructure

MySQLPostgreSQLMongoDBSQLiteAWSGit

Platforms & integrations

WordPressPlugin customizationShopifyPaymentsTelecom APIsChromecastOpenWiFi
AI-accelerated engineering

Using AI to multiply development velocity.

I integrate AI into the software-delivery lifecycle to move faster without lowering engineering standards. Used with strong technical judgment, AI helps me shorten feedback loops, explore solutions quickly, and focus more time on architecture, product decisions, and quality.

Depending on the task, this workflow can accelerate development by up to 5×—while every output remains reviewed, tested, and owned by an experienced engineer.

Where AI creates leverage

Rapid technical research and solution exploration
Implementation scaffolding and repetitive-code acceleration
Debugging, refactoring, and performance analysis
Test-case generation and edge-case discovery
Documentation, code review support, and knowledge transfer
How I lead

Technical decisions with business context.

The best engineering leadership creates clarity: the team understands why the work matters, the architecture supports tomorrow, and delivery remains dependable today.

Build for maintainability

Clear boundaries, thoughtful data design, reviews, and documentation.

Secure by design

Security and reliability treated as architecture concerns, not release-day checks.

Mentor through ownership

Helping engineers strengthen judgment while remaining accountable for outcomes.

Measure real impact

Evaluating success through performance, uptime, efficiency, and customer value.

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Building something ambitious?

I’m open to senior engineering, technical leadership, architecture, and select consulting opportunities with teams that value durable, high-quality software.

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