Information Technology Technical Support

Kweku Darko

Houston, TX~ **********@*******.*** ~ 405-***-****

Education

University of South Wales, Pontypridd, UK

Bachelor of Science (Honors) Information Technology, Graduated July, 2008. Grade 2:1 or 2nd Class Upper

Certifications: AWS Certified Developer - Associate Summary of Qualifications

Over 16 years' experience related IT Development in Agile and Enterprise environment in the Auto, Retail & Mortgage, Retail & Home Improvement, Clinical & Pharmaceuticals, Banking & Finance, Non-Profit, Oil and Gas Industries

Expertise in end-to-end project lifecycle management, from concept and design to implementation and delivery, ensuring adherence to timelines and quality standards.

Adept to technical innovation with practical implementation to optimize performance, reliability, and scalability of Apps

Critical thinker with strong analytical, troubleshooting & technical support abilities with migrations, network connectivity, security, and database applications

Strong communicator and collaborator, skilled in stakeholder engagement and translating complex technical requirements into actionable deliverables

Knowledge of design patterns and software architecture principles

Web Application and Mobile Development for Native iOS, Android, and iPad

Detecting code smells and resolving application bottlenecks and challenges like CORS, Ajax, XSS, SQL Injection etc

Experience with of SEO, i18n, Web Accessibility and W3C Standards

Web Optimization: Lazy Loading, Web Workers, Minification, Bundling, YSlow, Page Insights, and Htaccess Technical Skills

Methodologies: Agile, Scrum, Kanban, and Waterfall.

Frameworks & Libraries: MVC, Angular 1, 2 -19, React, Node, Bootstrap, Material, Express, Next, Flutter, Redux, Flux, Node, Express, Bootstrap, Semantic UI Polymer, Hapi, SailsJS, Socket.IO, Modernizer, Boiler Plates, & Web 3.0

Programming Languages: Dart, JavaScript (ES6+), TypeScript, Dart, HTML5, CSS3, SQL, Alphine.js, JQuery UI

Database Management: Proficient in NoSQL (e.g. MongoDB) and RDBMS (e.g. SQLite, PostgreSQL),

Web Services Technologies: Micro services, APIs, REST, JSON, and SOAP

DevOps: CI/CD Pipelines, Bitbucket, Jira, Jenkins, Docker. Kubernetes integrated with SonaQube

Software Architecture: Skilled in Designing Microservices, Serverless Architectures and Monolithic Systems

Testing & Quality Assurance: Unit (Jasmine, Jest, Mocha), Automated (e.g. Protractor, Selenium)

Security: Familiar with oAuth, Ping, SSO, SAML, and OWASP Top 10

Version Control: Expertise in GIT, GitHub - actions, GitLab, and branching Strategies

Project Management: Project Planning, Gather User Requirements, Risk Analysis & Management, Resource Allocation, Disaster Recovery, Microsoft Project and Microsoft Visio

Design: Wireframing, Figma Prototype & Sketch Designs, Adobe Photoshop, Fireworks, Captivate

Servers: Nginx, Apache, SQL Server, IIS, Live Server, MAMP, WAMP and XAMPP

Other: HTMX, SEO, Back links, Robots.txt, Visual Studio Code, IntelliJ, WebStorm, Eclipse, Atom, & Sublime Text

SEO: Content & Conversion rate optimization, URL Redirects, Back Links, pagination, canonical tags, robots.txt

Debuggers: Firefox / IE, Firebug, Chrome, React and Flutter Dev Tools

Artificial Intelligence (AI): Familiar with ChatGPT, GitHub CoPilot, Amazon Code Whisperer, and TabNine,

Operating System / Connectivity: Mac OS, Windows, and Linux, VPN, Cisco AnyConnect, KeyChain

CMS: WordPress and Drupal

Professional Experience

Senior Angular Developer (Remote) - May 2024 – Present Kroger, OH – Industry: Retail Food & Groceries ~ Projects: https://kroger.com

• Angular 2 –19 - Signals, Deferred Views, RxJs, Storybook, HTML5, CSS3, SASS/SCSS, JavaScript (ES6+), Material UI, TypeScript, GraphQL, Vite, AEM, Postman, Async Await, JSON, AWS CoPilot and Internationalization(i18n), SEO

• Creating reusable components and leveraging them in a new Single page app for aisle/shelf management at Kroger stores

• Performing CRUD operations with REST API and implementing associated error handler's user-friendly errors

• Proficient with AWS Cloud Services - IAM, EC2, ELB, S3, ASG, Route 53, Code Pipeline Dynamo DB and Lambda

• Collaborate with designers to translate UI/UX mockups into functional, pixel-perfect applications.

• Integrated RESTful APIs and 3rd party services, including Firebase and Stripe.

• Integration testing of API and Unit Testing using Jasmine and Karma

• Detect, Resolve and Conducted user research and usability testing to refine app interfaces

• Collaborate with Designers, Devs in Agile (Scrum/JIRA) scalable designs for cross-platform compatibility Senior Full Stack React Developer (Remote) – March 2023 – April 2024 PNC Bank, PA ~ Industry: Banking and Finance

• Preact, react 18-19, Material UI, Redux, Hooks, Next.js, EJS, NodeJS, Express, MongoDB, HTML5, Tailwind CSS, Adobe Experience Manager (AEM), Alphine.js, JavaScript (ES6+), SSO, TypeScript Async Await, JSON, Context Api

& useReducer, Profile, Suspense, Redux, Axios, Firebase – Authentication & Storage, SQLite, Flex Box, Compass, AWS CoPilot, i18n, GitLab, Webpack, Babel &OWASP Top 10, and GraphQL

• Refactored, wrote new functionalities & fixed bugs of existing application in preparation for auditing by external team.

• Built scalable, reusable, and maintainable React Components and webpages optimized for performance, and SEO

• Leverage Next.js to build both Client and Server-side rendered pages and also use Image Optimizer

• Followed Designs from Figma and Developed RESTful / GraphQl APIs using Express.js.

• Security against XSS, SQL Injections, authentication and authorization with JSON Web Tokens (JWT), and OAuth

• Developed table collections dynamically using SQL, Optimized Queries, and Managed Database 3T

• Experience with Cloud Services (AWS) and Code Refactoring, Reviews, Unit Testing with Mocha

• Working in Agile environment with POs, Agile Coaches, Developers, QAs, Offshore and Project Managers Senior UI/UX CoE Engineer (Remote) - August 2020 – February, 2023 Freddie Mac, Mclean, VA – Industry: Real Estate ~ Projects: Resolve, Loan Service Agreement, and DPA One

• Agile, Angular 2 - 16, HTML5, CSS3, LESS, NgRx, Typescript, JavaScript (ES 6+), RxJs, NgRx, Effects, Async Await, Routing, Micro Services (Lender, Prog. Mgt, DB, Java), Modules, Interface, Reactive Forms, Lazy Loading, Route Guards, Observables, NPM, Webpack, Bitbucket, GIT – (Branching, MRs & PRs), Jenkins, SonaQube, JIRA, CORS Confluence, Web Workers, Flex Box, XSS, SQL Injections, REST API, SEO, Backlinks, GraphQL, Flutter, and Dart

• Authentication & Security - PING Security –IDAM(IAM), Validations, with Error Handling and Building Code Quality

• AWS Cloud Experience (AWS – IAM, EC2, S3, Route 53, Lambda, CloudFront, Cognito, Amplify, and DynamoDB

• Creating Integration, Stress and Unit Testing with Jasmine and Karma Test Runner

• Member of CoE team with proven leadership experience (mentoring, onboarding, team collaboration, resolving issues)

• Hands on Experience with moving Legacy Apps to Angular Apps following Angular & UI/UX practices

• Developed Cross Domain Angular App in iframe to communicate with Legacy App running on different servers

• Integrated Google Tag Manager for conversion tracking, site analytics, remarketing & dynamically send home loan program search metrics to generate analytics report

• Setting up Jasmine Karma Test Framework & SonarQube Properties for deployment to Browns field and goldfield env.

• Basic Experience with Terraform, Kubernetes, Spinnaker, Hashi Corp for CI/CD automation, multi-cloud & hybrid env

• Delivering IT Solutions and Experience from conceptual level to User Acceptance based on functional requirements

• Built Multiple UI Components - Sticky panel component which compares 2 or 3 home loan programs in a dynamic and comparison table with a highlighting feature to differentiate program feature similarities, animate with sticky header sections, in addition to parsing program through OpenPDF to generate PDF reports sent to Clients through Outlook

• Built a high-performance Table Grid table that dynamically adds columns, rows, sub rows and integrating custom Bulk Edit Modal Feature, Dynamic, columns, row Actions (Edit/Delete/Copy), pagination, checkboxes, text box multi- dropdowns for displaying states and counties of states and custom products

• Built Scalable Single Page App. called UI Tool to optimize manual process of loading thousands of Loan Programs

• Built reusable web components integrated with in-house component library called LegoUX similar to Material UI Senior Full Stack Developer (MERN) Developer (Remote) - December 2019 - August 2020 Home Depot, Austin, TX – Industry: Home Improvement Retailer ~ Project: https://homedepot.com

• React, MongoDB, Express, NodeJS, Hooks, Context API, Redux, React-Router, Async Await, Flex Box, GraphQL

• NextJS, HTML5, CSS3, JavaScript (ES6), TypeScript, Tailwind CSS, GraphQL APIs, Firebase, OWASP, SEO Backlink

• Proficient in Content optimization, SEO Strategies, URL redirects, Google Tag Analytics, Back links, Canonical Tags and managing robot.txt files

• Building Scalable React Components – Functional /Stateless, Styling Components

• Authentication & Security – XSS, SQL Injections, PING, Validations, and Error Handling & Code Quality

• Streamline Web application - NPM, Webpack, GIT (MR, PR, Branching), Docker, VsCode, SonarQube, GitHub Copilot

• Involved with Code Reviews, Submitting MRs, PRs, deployment of code to DEV, QA and Prod Environments

• Web Browser Compatibility - IE 11, Microsoft Edge, Chrome, Firefox, Safari and etc.

• Experience writing Unit Test using Jasmine, Jest and also detecting and resolve bugs, and browser related issues

• Working in Agile environment using JIRA with POs, Scrum Masters, Developers, QAs, Offshore and Project Managers Senior Developer (Remote) - August, 2019 - December 2019 Rent A Center, Dallas, TX – Industry: Consumer Electronics & Rental ~ Project: Store Locator ~ http://rentacenter.com

• Angular 2-8, TypeScript, RxJS, HTML5, JavaScript, CSS3/LESS, Responsive Web Design, Flexbox, Bootstrap, JSON, NPM, OKTA, Web Sockets and Socket.IO, SonarQube, Zeplin, Dart, and Flutter,

• Web Browser Compatibility for IE 8 -11, Chrome, Firefox, Safari, etc.

• Streamline Web Apps using BvckUp2, Webpack, GitBash & GIT - App Builds, Merge Request Deployments

• Experience setting up Unit Test Framework and writing Unit Testing using Jasmine, Karmer etc

• Code Refactoring & Reviews, Performance Tune Ups, Submit MRs, PRs, deployment of code to DEV, QA & Prod Env

• Tools used include Visual Studio Code, Endpoint Security, RSA, Cisco AnyConnect and Secure Mobility Client

• Working in Agile environment with POs, Scrum Masters, Developers, QAs, Offshore and Project Managers using JIRA Senior UI/UX Developer - October 2017– August 2019 Direct Energy, Houston, TX – Project: HWA Home Warranty ~ https://www.hwahomewarranty.com/

• Angular 2-8, Material UI, RxJs, NgRx, HTML5, CSS3, ES6, TypeScript, JavaScript, JSON, SASS, XSS, SQL injections

• Visual Studio Code, Webpack, NPM, Yarn, Micro services, Micro Services, Node, Express, Docker, SEO Strategies

• Streamline Web Application using tools such as BvckUp2, Webpack, GIT – GitLab, GitBash, Merge and Pull Request

• Knowledge of Microservices architecture, container technologies (Docker, Kubernetes)

• Experience with RESTful APIs and API Design Principles

• Experience with Browser Compatibility Testing and Unit Testing - Jasmine and Karma Test Runner

• Collaborating in Agile (Scrum/Kanban) env with Scrum Masters, Product Owners, QAs, Testers, and Offshore Teams

• Tools used include Endpoint Security, RSA Secure Token, Cisco AnyConnect & Secure Mobility Client Senior Frontend (ReactJS) Developer January 2017 – October 2017 Wolter Kluwer's, Hudson, OH - Industry: Healthcare/ Medical / Pharmaceuticals

• HTML5, CSS3, ES6+ ReactJS, JSX, Handlebars, JSON, SASS, NodeJS, MongoDB, SQL, & Redux, Web Components, Bitbucket, Confluence, RequireJS, NPM, Vagrant and YARN. Protection against XSS, SQL Injections

• Node, MongoDB, Express, NoSQL, Webpack, Micro services, SOA, Gradle, Maven

• Build REST Web APIs and consume with AXIOS, POSTMAN and Browser Compatibility Testing

• Utilizing tools such as Webpack, Bitbucket, Jenkins CI/CD to aid in Builds, Developments and Deployments

• Experience with Unit Testing using JEST and familiar with Teiid (or Virtual Databases)

• Working in Agile Environment with POs, Scrum Masters, Developers, QAs, Offshore and Project Managers Senior UI/UX Developer, February 2016 – December 2016 General Motors (Cadillac), Austin, TX – Industry: Auto ~ Project: The Oscars @ https://cadillac.com

• Agile, Angular, HTML5, CSS3, ES6, Bootstrap, JavaScript, jQuery, AJAX, JSON, LESS, RequireJS, AdobeCQ, SEO

• Microservices, Underscore, Jenkins, Virtual Box, Grunt, Twitter Bootstrap, Browserify, Webpack, and TFS

• Built a Web Application promoting new fleet of vehicles to be showcased in the 2016 Oscars Academy Awards

• Creating minimum viable products from data collected through Google Analytics

• Coding new UI Layouts & testing Mobile & Desktop for IE 8 -11, Chrome, Firefox, and Safari

• Detect, Debug and Resolve issues and also involved in Code Reviews and sprint planning, refinements, and standups

• Collaborating and working with PM, Dev. Manager, Scrum Master, BA, and QA in an Agile Environment using JIRA Senior Front-End Engineer (Remote) September 2015 – December 2015 Citi Bank, Ofallon, MO – Industry: Banking and Finance ~ Project Lois

• Angular, HTML5, CSS3, Emmet, JavaScript, jQuery & UI, AJAX, JSON, LESS/SASS, RequireJS & Bootstrap

• JIRA, BackboneJS, MarionetteJS, UnderscoreJS, ClearCase & Jenkins

• Responsive Web Design (mobile/desktop/tablet) using Twitter Bootstrap and Web Optimization

• Coding UI Layouts, Mobile and Desktop Testing for IE 8 - 11, Chrome, Firefox, and Safari

• Detect, debug Code, resolve issues logged in Defect Management using HP Quality Center (QC)

• Collaborating in Agile (Scrum/Kanban) env with Scrum Masters, Product Owners, QAs, Testers, and Offshore Teams Senior UI/UX Front-End Developer September 2014 – September 2015 Wheels Inc, Chicago, IL – Industry: Auto ~ Project Ocean ~ Industry: Auto ~ http://wheels.com

• Angular, HTML5, CSS3, JavaScript, LESS, AJAX, JSON, Hight Charts, UnderscoreJS, REST API, OAuth, SEO

• Yeoman, Jenkins, highCharts.js and TightJS

• Lead Developer for creating project oceans Mobile and Desktop application for fleet management

• Unit Testing with Jasmine, Karma test runner and End to End testing with Protractor

• Responsive Web Design using Twitter Bootstrap and build tools like Gulp, Git and Yeoman (Project Scaffolding)

• WebStorm, Leaflet.js, High Charts, Tortoise GIT and continuous development using Jenkins

• Coding UI Layouts, Mobile and Desktop Testing for IE8 - 11, Chrome, Firefox, and Safari

• Collaborating with Scrum Masters, Product Owners, Project Manager, BAs, UX Designers and QA & Offshore Teams

• Unit Testing with Jasmin & Karma Test Runner, Bug Fix and Defect Management using ALM in an Agile (Scrum) Env. Senior Mobile UI / UX Developer January, 2013 – August, 2014 Waste Management Inc, Houston, TX ~ Project Think green & CAAG ~ Industry: Environmental & Recycling ~ http://wm.com

• HTML5, CSS3, 960.gs Grids System, SEO, OOP JavaScript, jQuery & UI, AJAX, JSON P, LESS, Bower, Require, Media Queries, Handlebars, Jade, CORS, Grunt, Twitter Bootstrap, Underscore, Datatables, Emmet, and Moment.js

• Developed & Tested Responsive & Adaptive versions of WM Phoenix Golf Tournament Android & iPhone, iPad Tablet

• Built production ready Website from scratch for Think Green Initiative collaborating UX Designers & Business Execs

• Built a scalable application called Customer at A Glance (CAAG) - used for tracking drivers' deliveries and workloads

• Follow Company UI/UX Style Guidelines, XCode, XScope, Cornerstone SVN, Belvedere, and Jenkins deployment tool

• Developed a custom Image Carousel loading dynamic content (videos & data) leveraging YouTube API

• Integrated 3rd party API called Tint Up to display Twitter post and feeds and integrate it

• Collaborated with designers and developed multiple pages with scrollable animations using jQuery and Animate.css

• Bug Fix and Cross Browser testing for iPhone, Android, iPad, Website (IE 8 - 11, Chrome, Firefox, Safari)

• Responsive Web Design (mobile/desktop/tablet) for various Web Applications

• Debugging Code, Defect Management and performing Unit, Functional, and QA Testing

• Collaborating with Project & IT Managers, BAs, UX Designers and TeamSite Development Team Full Stack Developer December 2009 – December 2012 Slick Dezign, Edmond, OK ~ Industry: Mobile & Web Design Services ~ http://slickdezign.com

• HTML5, CSS3, JADE, JavaScript, jQuery, Coffee Script, AJAX, XML, JSON, Jade, Sublime Text, WordPress and SEO

• Experience in PHP & MySQL, ASP, D3.js & Database Dev. on SQL Server 2012, RDBMS, MySQL & Kendo UI

• Experience with User Interface Technique, Principles and Mobile Web Development,

• Designing Websites focused on internationalization(i18n), Usability, and Accessibility (Section 508) guidelines

• Built Mobile Responsive, Adaptive Websites for iPhone, iPad using Media Queries for various screen sizes

• Creating and customizing WordPress themes and websites based on functional requirements

• Experience with Mobile Web Design, Responsive and Adaptive Designs

• Designing Logos, Banner Ads, slicing documents and other web graphics

• Creating Prototypes and designing wireframes using Mockingbird and Axure

• Performing Functional, Load or Stress Automated Testing and using Bug Tracking Software (ALM) Software Engineer 2008 – 2009

Rap International, Swansea, South Wales, UK ~ Industry: Oil and Gas Safety ~ https://www.yokogawa-rap.com/about.html

• Developed CBT for Chevron-UK using SEO, HTML, CSS, JavaScript, PHP, MySQL, Dreamweaver & Adobe Captivate

• Responsible for Maintenance of Old Company Website and ensured it met W3C standards

• Designed Test Cases, Plans and performed User Acceptance Testing on various systems

• Created Technical and Non-Technical User Guides for different groups of users Computer Systems & Network Engineer, 2006 – 2008

Swan CD Ltd, Swansea, South Wales, UK ~ Industry: IT Services & Support

• Built, Maintained and Tested PCs, Laptops, Media Center and Multifunction Printers

• Setup of LANs, Installed Operating Systems, Software Apps, and Account Configuration

• Performed Data Backups, System Restore (Ghost), Contingency planning, Active Directory

• TCP / IP, Router Configuration, Internet Network Security, and Wireless Internet setup

• IT Equipment sales, Customer Service, Telephone, Email and Remote Desktop Support Web Designer & IT Support, 2004 – 2006

Dudley CVS, West Midlands, England, UK ~ Industry: Non-Profit ~ https://www.dudleycvs.org.uk/

• Designed and Maintained website coding in HTML, CSS, XML and JavaScript

• Designed Test Cases, Test Plan and Performed UATs for Organizations website.

• Enforced Web Standards, Accessibility, Created Technical and Non-Technical User Manuals

• Setup and Networked Workstations and shared resources on the office Network

• Upgraded Workstations, Installed and Configured Software Applications Portfolio Websites

• Front-End Development [E-commerce] http://homedepot.com

• Front-End Development [E-commerce] http://rentacenter.com

• UI/UX Development [Think Green - Recycling] http://wm.com/us/en/myhome

• Front & Back-End Development [i18n, SEO, E-commerce]: http://shopadollar.com]

• Front & Back-end Development: http://www.cadillac.com References

Professional references will be provided upon request after an offer has been made available

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