RATNAKANTHAN

RATNAKANTHAN

About Me.

PHP Full Stack Software Engineer

PHP Full Stack Software Engineer with 17+ years of commercial experience designing, building, and scaling enterprise web applications, eCommerce platforms, and AI-driven systems. Deep expertise in PHP, Laravel, React, TypeScript, Node.js, MySQL, RESTful APIs, AWS cloud architecture, and Docker within LAMP/MVC environments. Proven track record of delivering multi-tenant Magento 2 platforms, secure OAuth/JWT authentication, CI/CD pipelines, and microservices that reduce deployment time by up to 40% and lift application performance by 35%. Currently a Full Stack Engineer at MSD Animal Health UK (Merck & Co.) and MSc in Technology & E-commerce and an MA in Higher Education. Holding multiple professional certifications, I combine academic rigor with deep technical expertise to deliver high-performance, business-focused digital solutions.

Personal Information

  • Name Ratnakanthan
  • Age 45 Years
  • Citizen British citizen
  • Address Bushey, Hertfordshire
  • Email srrkanth@gmail.com
  • Phone 07830768887

CORE TECHNICAL SKILLS

Languages & Frameworks

PHP (OOP, MVC),Laravel, Zend, Symfony components, Node.js, Express.js, JavaScript (ES6+), TypeScript, React, jQuery.

Frontend

HTML5, CSS3, SASS, Bootstrap, Responsive Web Design, WCAG Accessibility, Component Architecture, Cross-Browser Compatibility

Backend & APIs

RESTful API Design, SOAP Web Services, Microservices, OAuth 2.0, JWT, API Gateway, Third-Party Integration, Webhooks, Session Management

Databases

MySQL, MSSQL, MariaDB, Redis, Elasticsearch, Schema Design, Query Optimisation, Stored Procedures, Data Modelling, ETL

Cloud & DevOps

AWS (S3, EC2, IAM), Docker, Containerisation, CI/CD Pipelines, GitHub Actions, Linux (CentOS, Ubuntu), Apache, NGINX, LAMP Stack, Server Administration

Version Control

Git, GitHub, GitLab, SVN, Branching Strategies, Code Review, Pull Request Workflows

eCommerce & CMS

Magento 2, WordPress, Joomla, Multi-Tenant Architecture, Payment Gateway Integration, ICECAT, Google Shopping, Affiliate Feeds

Methodologies

Agile, SCRUM, Sprint Planning, TDD, Code Review, Software Development Lifecycle (SDLC), Release Management

AI & Emerging Technologies

AI Prompt Engineering, LLM Integration, Generative AI, Natural Language Processing (NLP), Claude, ChatGPT, Gemini, DeepSeek, Stable Diffusion, Midjourney

Architecture

Enterprise & Solution Architecture, Scalable & High-Availability Systems, System Integration, Legacy Migration, Security Best Practices

Server Administration

Hands-on Linux server administration experience accumulated across 17+ years of full stack delivery, spanning LAMP stack engineering on CentOS and Ubuntu, AWS cloud infrastructure

Leadership

Technical Leadership, Team Mentoring, Stakeholder Management, Project Delivery, Cross-Functional Collaboration

Inspiring Creativity Award

Presented by Fujitsu Laboratories of Europe @ at Queen Elizabeth II Conference Centre, Westminster

Certification

Google certified Digital Marketing Certificate in PHP & Certificate in MySQL Distinction)

Academic degrees

MSc Technology & E-commerce, MA in Education, BSc (Hons) Technology & E-commerce and (BCS) British Computer Society Professional Graduate.

PROFESSIONAL REFEREE

DEVELOPED SYSTEM

My Resume.

EXPERIENCE

  • 2021 2016

    FULL STACK ENGINEER

    Merck & Co., Inc (MSD) / Cambridge

    I have extensive experience maintaining and enhancing an e-commerce platform using PHP Laravel. My role involved developing and managing multiple APIs to ensure seamless integration with various third-party services and front-end applications. I successfully implemented multi-language and multi-country functionalities to cater to
    a diverse global user base, leveraging Laravel's powerful localisation features. By optimising backend processes and employing efficient caching strategies, I significantly improved the platform's performance. My responsibilities also included ensuring the platform's security and compliance with industry standards, conducting regular audits, and collaborating closely with
    cross-functional teams to deliver a robust and user-friendly e-commerce experience.
    Implemented new features such as fulfilment, shipping service, onepage
    checkout, and payment gateway integrations.
    Created and maintained RESTful APIs to support the e-commerce platform
    and facilitate third-party integrations.
    Developed country-specific functionalities, such as currency conversions,
    tax calculations, and compliance with local regulations.
    Enhanced the platform's performance by optimising database queries,
    implementing caching strategies with Redis, and using efficient backend
    processes.

  • 2021 2017

    FULL STACK DEVELOPER

    Feedzon Limited (Antiquity Software)

    I have successfully integrated FileMaker with Magento 2 through robust API integration, ensuring seamless data synchronisation and enhanced operational efficiency. My expertise extends to customising the Magento 2 Admin console to provide a tailored and intuitive user experience for administrative tasks. Additionally, I have developed and maintained a sophisticated multitenancy e-commerce platform, enabling multiple tenants to operate independently while sharing common resources. My work has involved ensuring high performance, scalability, and security, while also implementing multi-language and multi-country features to cater to a diverse user base.

  • 2017 2015

    ECOMMERCE DEVELOPMENT MANAGER

    Nasco Global Ltd / RedLett / Hertfordshire

    I have led multiple projects focusing on API integration and development, notably integrating Google Shopping (Google Feed) to boost product visibility and sales. I developed automated scripting for product publishing from IceCAT, which streamlined the updating process and improved data accuracy.

    Additionally, I created and maintained data feeds for the affiliate window e-commerce platform, enhancing the efficiency and performance of affiliate marketing campaigns. In my role as an E-commerce Manager, I have implemented comprehensive digital marketing strategies, including Search Engine Optimisation (SEO), Pay-Per-Click (PPC) advertising, content management systems (CMS), social media management, and email marketing campaigns.

    My multifaceted expertise has contributed to the growth and success of e-commerce operations, driving increased traffic, engagement, and revenue.

  • 2015 2014

    ECOMMERCE DEVELOPER

    Strangewood Ltd / Hatfield / Hertfordshire

    I have been responsible for maintaining and enhancing an e-commerce platform developed using object-oriented programming (OOP) PHP. My role involves ensuring the platform's stability, performance, and scalability to meet the growing demands of the business.

     

    I work on debugging issues, optimising backend processes, and implementing new features to improve user experience and operational efficiency. My expertise in OOP PHP allows me to write clean, maintainable, and efficient code, ensuring the long-term sustainability of the platform. Additionally, I collaborate with cross-functional teams to integrate new technologies and functionalities, keeping the platform up-to-date with industry standards and best practises.

  • 2014 2011

    WEB DEVELOPER & DESIGNER

    British Institute of Technology & E-Commerce, London

    I have designed and developed a comprehensive college web application using object-oriented programming (OOP) in PHP5, JavaScript, jQuery, AJAX, and MySQL.

    My responsibilities included creating an intuitive and user-friendly interface, ensuring seamless navigation and accessibility for students, faculty, and administrative staff. I implemented dynamic features and functionalities that facilitated efficient management of college operations, such as course registration, student information systems, and internal communication tools.

    My expertise in front-end and back-end development allowed me to deliver a robust, scalable, and maintainable application that met the institution's needs and enhanced the overall user experience.

EDUCATION

  • 2006 2009

    BCS) British Computer Society Professional Graduate.

    British Computer Society

    The modules have been created in-line with the SFIAPlus framework and latest developments in the industry, giving you a competitive edge in the IT job market and showing your dedication to the industry. You will have the opportunity to learn about topics such as advanced database management, network information systems, web engineering and programming paradigms, as well as to build upon knowledge and skills developed during the Level 5 Diploma.

  • 2009 2011

    BSc (Hons) Technology & E-commerce

    University of East London

    The business world is undergoing a digital transformation, so develop your knowledge of these changes with  BSc (Hons) Technology & E-commerce  

    The core business elements – such as management, marketing and finance – with key aspects of computing such as programming and managing data, to help you tackle complex business challenges in an increasingly technology-driven world. 

    Explore a range of interesting business and computing topics, including:  designing and implementing relational databases, programming applications, the importance of budgeting in business and evaluating performance, practical business theories, computer security and the role of user authentication 

    Optional business modules allow you to tailor your degree to your personal interests – and by the end, you’ll have the opportunity to undertake a Capstone computing project to showcase your new-found knowledge and skills. 

  • 2012 2013

    MSc Technology & E-commerce

    University of East London.

    Digital and data technologies have rapidly become some of the most important assets of the modern organisation, bringing both challenges and opportunities. These two areas have a symbiotic relationship: a business’ digital platforms generate volumes of valuable data, whilst the analysis of this data enables a business to further develop, personalise and optimise these platforms. On this specialism, you will develop skills and knowledge in areas such as Big Data, Statistics, Analytics and Machine Learning, whilst at the same time building a working knowledge of the tools and techniques used to devise and maintain effective digital platforms.

  • 2013 2014

    MA in Education (Higher Education)

    Coventry University.

    Compulsory modules in this course explore key contemporary national and global issues in Higher Education such as quality, public/private debates on funding and provision, access and social justice, strategy and management, academic and professional workforce, pedagogy, internationalisation and how the forces of globalisation, technological change and cross-national agencies have radically reshaped the frames within which policy makers and providers now operate

  • 2015 2015

    Google certified Digital Marketing

    Google

    Google Digital Marketing & E-commerce Certificate and the shorter Fundamentals of Digital Marketing course. These programs teach job-ready skills like SEO, social media strategy, and marketing analytics with no prior experience required

DESIGN SKILLS

CORAL DRAW

91%

PHOTOSHOP

82%

ILLUSTRATOR

94%

CODING SKILLS

HTML5

83%

CSS3

75%

JAVASCRIPT

92%

Contact me.

LET'S TALK

    ratna@kanth.me
    19 Cotswold Avenue, Bushey, WD23 4QJ
    07830768887