Project: The Sussan Group — Enterprise e-commerce ecosystem for leading Australian
women's fashion retailers (Sussan, Sportsgirl, and Suzanne Grae) based on
Adobe Commerce Cloud.
Responsibilities
- Led backend operations and architectural improvements for three distinct high-traffic e-commerce
storefronts operating on the Adobe Commerce Cloud platform.
- Orchestrated a massive catalog refactoring initiative, seamlessly restructuring over 200,000+
products, which drastically reduced database load and optimized overall site speed.
- Engineered a complex enhancement for the native Visual Merchandiser, implementing custom logic to
dynamically build product display conditions based on 'special price' attributes within configurable
products.
- Conducted comprehensive code audits to identify and cleanly deprecate legacy third-party modules,
actively reducing technical debt and application footprint.
- Spearheaded continuous codebase optimization, performing extensive refactoring, resolving legacy
system bugs, and implementing numerous performance-focused enhancements.
- Collaborated closely with stakeholders and cross-functional teams to ensure smooth deployment of
updates and maintain high system availability during peak retail seasons.
Key Achievements
- Successfully executed the restructuring of a 200K+ product catalog, leading to a measurable increase
in page load speeds and backend processing efficiency.
- Empowered business and marketing teams with advanced merchandising capabilities, significantly
streamlining daily catalog management workflows.
- Noticeably improved overall codebase health, security, and maintainability by successfully purging
redundant legacy code and optimizing core backend processes.
Adobe Commerce Cloud
Magento 2
PHP
MySQL/MariaDB
Redis
OpenSearch
Git
Project: Saudi Entertainment Ventures (SEVEN) — Complex amusement park ticketing system
based on Magento 2 platform and Enterprise Ticketing Systems.
Responsibilities
- Designed and implemented Magento 2 & GraphQL components and integration workflows for a complex
multi-service amusement park ticketing system.
- Managed database architecture: designed new database schemas, altered existing table structures
(Declarative Schema / Setup Scripts), and ensured optimal data storage for high-load ticketing
operations.
- Built and supported robust API integrations with external third-party services, primarily focusing
on Electronic Ticketing Service (ETS) to ensure seamless data synchronization.
- Created, customized, and optimized complex GraphQL mutations and queries tailored for Backend for
Frontend (BFF) architecture.
- Collaborated closely with BFF team, modifying and structuring GraphQL responses into highly usable
and standardized formats for seamless frontend consumption.
- Investigated system bottlenecks and successfully resolved a critical disk subsystem performance
issue, resulting in over 10x speed increase in processing specific high-load mutations.
- Ensured high platform security by continuously monitoring vulnerabilities, analyzing, and applying
critical Magento security patches to the codebase.
- Proactively identified core Magento Framework bugs during development and prepared custom
patches/fixes to ensure system stability prior to official vendor releases.
- Conducted Functional Walk-Through (FWT) sessions to validate feature completeness, business logic,
and overall system behavior.
- Performed regular peer code reviews to enforce coding standards, maintain high code quality, and
prevent potential architectural flaws.
- Created and maintained comprehensive technical documentation covering developed modules, API
endpoints, database structures, and integration workflows.
Key Achievements
- Successfully delivered a high-performance, scalable ticketing system capable of processing complex
transactions across a distributed multi-node architecture.
- Drastically improved system response times (by over 10x) for key operations by identifying and
resolving deep-level disk I/O bottlenecks.
- Established highly effective cross-team communication channels (QA, Frontend, BFF, external vendors)
that significantly accelerated the delivery of complex features.
Magento 2
PHP
GraphQL
MySQL/MariaDB
Redis
OpenSearch
BFF (NestJS/Node)
ETS & VGS
GCP
Docker
Project: British American Tobacco (BAT) — Enterprise e-commerce solutions for Japan and
Korean markets based on Adobe Commerce Cloud.
Responsibilities
- Directed backend development operations as Team Lead and Lead Backend Engineer, managing, mentoring,
and coordinating a team of 10 backend developers.
- Orchestrated a large-scale, critical infrastructure migration of existing enterprise platform from a
legacy cluster of 10+ AWS servers to modern Adobe Commerce Cloud (PaaS) environment.
- Led end-to-end technical delivery and successful launch of a new e-commerce storefront specifically
localized for South Korean market, overseeing initial architecture, Magento installation, and core
configuration.
- Spearheaded complex platform upgrades to latest major Adobe Commerce version, ensuring seamless
transition and proactively applying critical security patches.
- Drove continuous improvement of project codebase by aggressively refactoring, optimizing, and
upgrading custom and third-party modules to align with Adobe Commerce best practices.
- Designed and implemented highly customized GraphQL and REST API endpoints to support complex
frontend requirements and headless integrations.
- Engineered seamless integration between Adobe Commerce and Adobe Experience Manager (AEM) to bridge
robust e-commerce capabilities with enterprise content management.
- Developed stable integrations with region-specific third-party services, including Kakao social
network ecosystem and Danal payment gateway.
- Designed and implemented comprehensive Role-Based Access Control (RBAC) and granular permission
schemes across platform to ensure data security and corporate compliance.
- Managed entire release lifecycle using Azure DevOps (ADO), coordinating deployments across
environments and ensuring smooth, predictable production releases.
Key Achievements
- Successfully executed a high-stakes, zero-data-loss migration to Adobe Commerce Cloud, significantly
reducing infrastructure maintenance overhead.
- Expanded brand's global digital footprint by architecting and launching South Korean market
storefront on schedule and meeting all business requirements.
- Built and maintained a high-performing engineering culture within a 10-person backend team,
significantly improving code quality and delivery predictability.
Adobe Commerce Cloud
AEM
PHP
GraphQL
REST API
Fastly
AWS
Azure DevOps
Kakao & Danal API
Project: British American Tobacco (BAT) — Massive enterprise e-commerce expansion and
secure localized rollouts for Asia Pacific, Middle East, Africa-South, and Malaysian markets based on
Adobe Commerce.
Responsibilities
- Spearheaded backend development initiatives as Team Lead and Squad Lead for a massive, multi-region
enterprise rollout, steering technical delivery for diverse localized markets.
- Mentored and managed a high-performing team of 7 backend engineers, driving performance through
structured 1-on-1 feedback, personalized career growth planning, and proactive blocker resolution.
- Architected and provisioned new AWS web server infrastructures, executing core Adobe Commerce
installations, multi-region configurations, and strict localized setups (e.g., Malaysian market).
- Fortified overall platform security by designing and deploying strict IP whitelisting system and
establishing comprehensive Role-Based Access Control (RBAC) schemes.
- Engineered heavily customized REST API and GraphQL endpoints to power headless architectures,
extending core platform capabilities.
- Designed and developed robust, secure integrations between Adobe Commerce and critical enterprise
systems, including Adobe Experience Manager (AEM), HubSpot CRM, and proprietary 1-2-1 Application.
- Directed installation, aggressive refactoring, and upgrading of custom modules to ensure maximum
platform stability and adherence to enterprise coding standards.
- Orchestrated CI/CD pipeline using TeamCity, taking full responsibility for release preparation,
staging validation, and seamless production deployments.
Key Achievements
- Successfully delivered and scaled secure, high-performance e-commerce architectures across highly
complex enterprise markets (APME, Africa-South, Malaysia).
- Significantly enhanced platform's security posture and streamlined CI/CD deployment pipelines,
ensuring highly reliable and predictable release cycles.
- Cultivated a high-performing backend squad, boosting team velocity and maintaining high morale.
Adobe Commerce
AEM
PHP
GraphQL
REST API
AWS
HubSpot API
TeamCity
Project: SomnoMed — Complex B2B Adobe Commerce platform enabling medical institutions
and practitioners to manage personnel, patients, and seamlessly order highly customized medical devices.
Responsibilities
- Directed cross-functional engineering operations as Team Lead and Backend Lead, managing,
coordinating, and mentoring a multidisciplinary team of Backend, Frontend developers, and QA
engineers.
- Architected and developed highly specialized Magento modules tailored for healthcare sector,
facilitating intricate workflows for clinic management, patient tracking, and dynamic customization of
medical device orders.
- Leveraged native Adobe Commerce B2B capabilities to design and implement granular corporate account
structures, including complex RBAC and multi-tier permission schemes for medical staff.
- Designed and engineered robust API integrations linking Adobe Commerce with mission-critical
enterprise systems: Salesforce (CRM), NetSuite (ERP), and StratoKey (Security/Encryption).
- Utilized Integrator.io (Celigo) as enterprise middleware IPaaS solution to establish reliable,
automated data orchestration between Magento and external ERP/CRM systems.
- Configured and optimized web servers and essential platform services within AWS cloud ecosystem.
Key Achievements
- Successfully delivered specialized, high-security B2B medical e-commerce platform that optimized how
doctors manage patients and order custom medical devices.
- Established fault-tolerant middleware integrations using Celigo Integrator.io, ensuring real-time
data synchronization between Magento, Salesforce, and NetSuite.
Adobe Commerce B2B
PHP
Celigo Integrator.io
Salesforce API
NetSuite ERP
StratoKey
AWS
TeamCity
Project: Managed Support Services (MSS) — Technical support, maintenance, and ongoing
development for top-tier global enterprise e-commerce brands, including Vans,
Timberland, Dr. Martens, Skechers, The Athlete's Foot,
Converse, BAT, and others.
Responsibilities
- Acted as Senior Backend Engineer and Team Lead 2IC (Second-in-Charge), overseeing backend
development, QA processes, and delivery workflows.
- Served as key escalation point within 24/7 production support rotation, investigating, diagnosing,
and resolving critical Priority 1 (P1) incidents on high-traffic environments.
- Continuously monitored security advisories, analyzed vulnerability reports, and executed secure
deployment of critical Magento security patches.
- Took full ownership of emergency hotfix release cycles, resolving complex architectural bugs and
upgrading custom/third-party modules.
- Architected and implemented advanced infrastructure monitoring by writing custom configurations and
alert scripts for New Relic, Graylog, and Zabbix.
- Mentored junior and mid-level engineers, providing deep technical guidance and assisting with
complex blockers.
Key Achievements
- Consistently received formal recognition from major enterprise clients for rapid and effective
resolution of critical P1 production outages, minimizing financial impact and downtime.
- Streamlined department incident management and development pipelines by standardizing MSS policies
and monitoring protocols.
Magento 2 Enterprise
Adobe Commerce Cloud
PHP
Nginx
MySQL
Varnish
Cloudflare
New Relic
Zabbix