Alexander Miles

Sr. Full-Stack Engineer

Email: adwapm@r.postjobfree.com Contact No: +1-301-***-****

Location: Newark, DE, 19702 Work Authorization: US citizen

LinkedIn: https://www.linkedin.com/in/alexander-miles-1b391529/

Professional Summary

10+ years of hands-on experience in designing web application as a senior software engineer in various domains including Banking, E-Commerce and Decentralized Applications.

Self-motivated, committed and adaptable to changes and challenges and work effectively in a fast-paced, high volume, deadline-driven environment.

Expertise in Microservices and development methodologies such as Agile, Waterfall, Scrum, TDD and BDD.

Expertise in implementing web applications using MERN, MEAN, MEVN stack: (MongoDB, MySQL, Express, Node.js, python, React/Angular/Vue).

Strong Database skills with SQL Server, MySQL, PostgreSQL, DynamoDB, MongoDB.

Extensive experience on modern front-end template frameworks for JavaScript – including Bootstrap, jQuery, ReactJS, Vue, Svelte, AngularJS.

Good Experience in ReactJS for creating interactive UI’s using One-way data flow, Virtual DOM, JSX, React Native concepts.

Good Experience in ReactJS for creating interactive UI’s using One-way data flow, Virtual DOM, JSX, React Native concepts.

Extensive experience on modeling applications using MVC(Model-View-Controller) architecture.

Experience in AI and ML.

Expertise in designing and developing enterprise and web applications from design blueprint using Java and J2EE technologies like Core Java, JSP, Servlets, Java Script, JDBC, Web Services, Spring, Hibernate, REST, XML, SQL, HQL, XSL, HTML5, CSS3 and LOG4j.

Proficient in designing and developing Single-Page Applications using React, React-Router and React-Redux from scratch.

Extensive experience of creating REST web services by using NodeJS (Express), Java (Spring), Python (Django), .Net(ASP.NET Core)

Expert in writing python scripts to scrape web data for data usage/collection using Scrapy, Selenium.

Involved in development of prototype of visualizations using D3.js.

Strong experience in Designing and Programming of Algorithms in C/C++, Java, Python, C#.

Strong understanding of using HTML5, CSS3, JavaScript (ES5/6+) for UI/UX and Web Application.

Excellent in creating and maintain responsive webpages that would work on multiple devices including desktops, mobile phones, tablets on both portrait and landscape modes.

Experience in using Webpack as module bundler and performing the vast majority of the tasks.

Experience in JavaScript testing framework like JEST, Jasmine, Karma, Mocha and Chai.

Strong experience with version control tools such as GIT, SVN, Jira, Clear Case, ClearQuest, Bugzilla and BitBucket.

Strong understanding in implementing AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto-scaling groups.

Replaced all legacy code with up-to-date innovative programming techniques/standards.

Translated systems requirements into application prototypes.

Experience with Object Oriented Analysis and Design techniques with UML using Use Cases, Flow Carts, Class Diagrams, Sequence Diagrams, Activity Diagrams and State Transition Diagrams.

Experience working on various cloud and internet of things (IOT) tools such as AT&T M2X, IBM Watson, IBM Bluemix.

Designed and managed API system deployment using fast HTTP server and Amazon AWS architecture.

Strong ability to quickly master and apply new concepts, excellent communication and analytical skills.

I developed multi-platform mobile apps using Ionic Framework.

Education

B.S of Computer/Information Technology Administration and Management at Wilmington University

(Sep. 2009 – Mar. 2013)

Technical Skills

Programming Languages: J2EE Technologies (Java EE 4/5, Servlets, JSP, EJB, JSTL, XSLT, JDBC, JNDI, JMS)

Web Technologies: C++, C#, ASP.NET, HTML/CSS/JS, TS, Python, jQuery, Java, PHP, Node.js, Express, Svelte, React, React Native, Vue, Angular, Laravel.

XML/Web Services: Apache Axis, DOM, SAX, JAXWS, JAXRS, REST, XML, XSD, SOA, WSDL, SOAP.

Databases: MySQL, PostgreSQL, Oracle, Redis, MongoDB

Servers: Apache, Ngnix, Tomcat, JBoss

Test Library: Jest, Cypress, Mocha, Chai

Build Tools: Apache Ant, Maven, Docker, Gradle, Grunt, Docker

Methodologies: Agile, RUP, UML, Waterfall

Professional Experience

UiPath (New York, New York) Oct 2020 – Feb 2023

Senior Full-Stack Engineer (Contract - Remote)

Responsibilities:

Completed 15+ Frontend and 12+ Backend using React, Next, Vue, Angular, Node, Express, Laravel and Apollo GraphQL.

Remained up-to-date with industry-standard technologies and mentored a team of 15+ junior developers

Reduced performance tuning of the legacy data storages and search queries of the critical progressive web application using DAX and ORD resulting in response time by 79%.

Analyzed the weblog data and extract the analytics from the data, Setup Hadoop cluster with 10 hosts (9 Data Nodes and 1 Master Node) using Cloudera Manager to process 7 TB of log data

Used Media Queries to deal with different CSS related issues on mobile devices as well as website to make it compatible Worked heavily on CSS3 and LESS layout for DOM manipulation.

Worked on Ios and Android app and web app using React & React Native.

Develop high performance customer facing e-commerce application using ReactJS, Angular, React Native, JavaScript, Java, HTML5, ES6 JavaScript, CSS3, SASS, MUI, Ant design.

Handled response data from Restful web services using XML, JSON and jQuery to update UI.

Collaborated with UX/UI design teams to improve checkout flow, increased conversion rates by 20%.

Implemented HTTP REST API using NodeJS and extensively tested RESTful services using POSTMAN.

In volved in consuming RESTful APIs and processing JSON data for rendering in UI.

In volved in various phases of Software Development Life Cycle using Agile Methodology.

Hands on experience working on different browsers like Safari, Internet Explorer, Mozilla Firefox and Google chrome and checking cross browser compatibility

Used JavaScript testing framework like Karma, Mocha and Chai

Designed and developed analysis systems to extract information from large scale data (ML).

Designed and developed enterprise and web applications from design blueprint using Java and J2EE technologies like Core Java, JSP, Servlets, Java Script, JDBC, Web Services, Spring, Hibernate.

Created UI templates and functionality to be merged with the backend REST/SOAP API for proper communication of front and back end to enable efficient working of application

Responsible for writing python scripts to scrape web data for data usage/collection using Scrapy, Selenium.

Worked in using React JS components, Forms, Events, Keys, Router, Animations and Flux concept.

Worked with Git and Bit Bucket for recording the progress and later for version control.

Possess expertise in designing and building web applications and dynamic components of web/e-commerce sites using various technologies such as HTML/CSS, Java, XAML, PHP, Python, C# and SQL.

Developed new web components using various technologies, including AJAX, HTML/CSS, jQuery, JavaScript, XML, PHP, and SQL

Environment: React, Vue, Angular, HTML5, CSS3, JavaScript, TypeScript, Node.js, Express.js, MongoDB, PostgreSQL, ES6+, SASS, LESS, Bootstrap, Apollo, GraphQL, DAX, ORD, jQuery, Media Queries, karma, Mocha and Chai

Providence (Renton, WA) Feb 2019 – Sep 2020

Senior Frontend Engineer (Contract - Remote)

Responsibilities:

Manage website development projects from initial design through completion, optimizing all cross-browser and multi-platform compatibility.

Collaborated with the UX/UI design teams to improve the website and applications, increasing conversion rates by 30%.

Optimized loading and building time of React project with 50% by using route level code splitting, immutable data structures, production mode flag in Web pack, CDN and enabling Gzip compression on Web Server, etc.

Liaised Agile team across 4+ application domains, led architecture, design, and development of 5 new features.

Designed dynamic and browser compatible pages using HTML5, CSS, jQuery, and JavaScript.

Used AngularJS, React.js, Vue.js, Svelte, PHP, JS, TS, HTML5, CSS3 for front-end web development.

Developed product tours with React for a new feature, improving customer adoption by 22% leading to increased revenue by $2.5M.

Designed multiple dynamic and browser compatible pages using React, Redux, Angular, Vue, Html5, CSS3, JavaScript.

Built single page applications (SPAs), responsive web design, UI using React, Redux, HTML5 grid layouts, CSS3 media queries where its an expression and can be used to either true or false.

Creating new features, functionality and capabilities on the eCommerce sites using Java, Ajax, SAS, and JSON.

Implemented Angular Router to enable navigation from one view to the next as customer performs application tasks.

Created Typescript reusable components and services to consume REST API’s using Component-based architecture provided by Angular 2.

Migrated an application developed in Angular 4.0 to Angular 5.0 recently.

Contributed to the development of multiple sites built with Laravel and Vue.js.

Developed new features in a message board written in Vue.js.

Implemented various bug fixes in Vue.js and Laravel.

Environment: HTML5, CSS3, Bootstrap, SASS, Angular 2/4, ES6, React, Vue, JavaScript, TypeScript, jQuery,

PCOnline (Newark, DE) May 2014–Jul 2019

Full-Stack Engineer (Full time - Onsite)

Responsibilities:

Influenced in both front-end and back-end for 9+ website applications.

Created a reusable UI framework based on MUI.

Used Apollo Client to work with the GraphQL API.

Developed mobile applications using Flutter.

Utilized Angular 2 for the front-end development.

Developed a booking application using React, Next.js, and Node.js to let users book a service online and get real-time updates on their progress, increasing the customer acquisition and retention rate by 45% in 2 months.

Created templates for the Joomla CMS and WordPress.

Set servers and databases functionalities to reduce the request time by 30% using PHP

Designed and built a local development environment using Docker on macOS. Local development included Zend Framework (PHP), MariaDB, and a custom PHP compiler.

Delivered a full-stack web application using Django, MySQL, Bootstrap, and jQuery. The application contained a repository of thousands of documents about financial datasets. It integrated with Jira for tracking alerts relating to data ingestion delays.

Developed unit tests using Jest for individual Vue components and integration tests using Cypress to test the functionality’s end-to-end(E2E) flow.

Integrated the platform with Mailgun and Twilio APIs to perform phone verification and send email acknowledgments and marketing newsletters, increasing returning users’ rates by 20% following the campaign launch

Improved the financial report generation process by creating a self-service application using Linux, PHP, and MySQL

Built a financial auditing system for Stripe payments using Laravel. Client payment reconciliation was performed between the application database and Stripe REST API

Ensured 100% cross-platform optimization for both mobile phones and websites

Ensured responsiveness, rich user experience, and great user interface of applications

Designed and constructed APIs and cut down the request handling time by 20%

Stayed abreast of developments in web applications and 5+ programming languages

Experience working with Scrum/Agile methodology

Used Node.JS, Express, Python, PHP, ASP.NET as server to provide Restful API to communicate with Front-End.

Worked with NoSQL Databases like MongoDB, Apache Cassandra, Couchbase.

Used JavaScript testing framework like Jest, Mocha and Cypress

Built S3 buckets and managed policies for S3 buckets and used S3 bucket and Glacier for storage and backup on AWS.

Management and Administration of AWS Services CLI, EC2, VPC, S3, ELB Glacier, Route 53, Cloudtrail, IAM, and Trusted Advisor services.

Created scripts in Python which integrated with Amazon API to control instance operations.

Environment: Apollo, GraphQL, Flutter, PHP, Laravel ASP.NET, Node.js, Express.js, Docker, MariaDB, Django, NoSQL, MongoDB, AWS, Core Java, J2EE, MVC, Ajax, jQuery, JSP, HTML, JavaScript, Angular JS, Struts, Spring, Hibernate, SQL, REST, JSON, SOAP, SVN, Mockito, JUnit, JDBC and Maven

Intello Group, Inc (Wilmington, DE) Apr 2013–May 2014

Full-Stack Developer Intern (Contract - Onsite)

Responsibilities:

Developed RESTful API webservices using Java Spring framework.

Worked on MongoDB and HBase databases.

Designed and implemented 50+ E2E tests using Selenium & Protractor, simulating each user group’s actions.

Developed web scraping program in Python to help the firm download public data, including over 10000 company descriptions and stock quotes, enriching internal data and increasing research efficiency by over 50%.

Implemented designs and style guides into functional user interfaces, ensuring high performance and compatibility across all major browsers using the JavaScript libraries jQuery, Moo Tools and Knockout.

Learned and the codebase, improved coding skills writing structured, tested, readable and maintainable code

Facilitated maintain code quality, organization, and automation for 6+ applications.

Co-ordinated in developing and implementing systems architecture designs, patterns, and approaches.

Environment: Apollo, GraphQL, Flutter, PHP, Laravel ASP.NET, Node.js, Express.js, Docker, MariaDB, Django, NoSQL, jQuery, JSP, HTML, JavaScript, Angular JS,

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