Joel Quiles - Software Engineer Resume

Summary

Very enthusiastic about Clojure/Script with prior experience, while having achieved expertise developing browser applications using JavaScript and React. Proactive about application security. Curiosity drives me and I enjoy creating a positive environment for people around me. Varied interests that span research, involvement in web applications across the full stack, mobile, and desktop applications. Desire to continue working in a distributed workplace.

Interested in full-stack application development in general, while having achieved expertise developing front-end browser applications using JavaScript & React. Multiple years of Clojure development experience. Proactive about security. Curiosity drives me and I enjoy creating a positive environment around me. Varied interests that span research, involvement in web development across the full stack, mobile, and desktop applications. Blockchain, Web3, and Decentraland SDK world included.

Competencies

Expert

JavaScript, HTML5, CSS/SASS, REST, AJAX, SPAs, responsive web design
React: Redux, Apollo graphQL react integration. Hooks, higher-order components, render props
Package managers, webpack & bundle builds, task automation
Test-driven development & testing pyramid
Engineering processes, product lifecycle, code reviews
vim and spacemacs, git, tmux
Linux filesystem, tools and terminal

Proficient

Clojure, Python, nodeJs
Jira & jql, agile methodologies, project deliverables & organization
SQL, Cassandra databases. Data Modeling, query design, and application integration
graphQL, nginx, D3js, API design
Application Security: CSRF, XSS Protection & CSP, server security, configuration of HTTP headers
Immutable, asynchronous, and functional programming

Light Experience in

Ruby, bash programming, C++/C
Django Web Framework
Ruby on Rails Web Framework
AngularJs, EmberJs JavaScript Frameworks

Professional Experience

@ Kevel, remote

2020 - 2022

Provides the APIs to quickly build a custom ad platform so that you can take back the Internet and drive more revenue.

Management Systems, Kevel Studio Application - Sr. Software Engineer

Clojure, Clojurescript, ring-jetty, Pedestal, React+Helix, Material UI, Hoplon, Cypress testing, MS SQL.
Work with the Product team and designer to discover customer needs: gather data, create hypotheses, test and validate prototypes and proof-of-concepts to create new applications.
Support Rotation, PagerDuty on-call shifts: maintain a cloud-based distributed system.
Usage of AWS services: Cloudfront, CloudFormation, EC2, RDS, S3, Route53, and lambda services.
Use of deps.edn, shadow-cljs, and npm builds. AWS Codebuild and Github Actions for CI/CD.
Use of craft.js to build a no-code app builder.
Modified app backend and public API

@ DataStax | distributed, remote

2016 - 2020

Built on Apache Cassandra, DataStax delivers the ultimate always-on hybrid and multi-cloud database.

Cloud Applications – UI Technical Lead

Design, gather requirements, and code. Participate in planning and tech-debt management.
Coordinate with senior engineers and drive decisions by consensus. Write proposals and internal application documentation.
Assorted technologies: JavaScript (ES6), React, Material UI, Apollo graphQL, webpack, babel, emotionJs, jest, enzyme, DevExpress, npm+yarn, and testcafe for integration tests.
Work on delivering features on a cloud application SaaS offering.
Creation and maintenance of an internal UI components library for use across company products, hosted on a private repository.
Use of toggle flags for feature delivery, whitelisting, and A/B testing.

OpsCenter Lifecycle Manager: Provisioning – Senior Software Engineer

Definition files (edn) used to generate all possible configurations for Cassandra database settings.
Clojure for backend server, compojure for API. Boot used for builds, tooling. Mount for application state.
JavaScript + React + redux, for an UI that parses definition files and generates form fields for users to customize supported settings, across configuration files, across all supported database versions.
Jenkins CI: in order to run development tests during build, as well as a build matrix of all combinations of scenarios for our Automated Functional Tests.

OpsCenter: Monitoring – Software Engineer

Clojure-based monitoring agent installed on each Cassandra node. Each agent instance Interfaces with JMX metrics and events published by a running Cassandra instance. Leinengen for build and project configuration.
Python daemon for metric collection, API routes. JavaScript front-end.
Off-the-shelf installable product. Pseudo-Scrum with backlog and standups.

@ IRONHACK | Miami, FL

2015

Preparing the next generation of digital creators.

Lab Teacher Assistant & Project Mentor

Enable and supervise new software development students on their assignments.
Mentor select students for their final project, on a 1-1 basis.
Ruby on Rails, HTML, CSS, JavaScript.

@ SeamlessDocs | Miami, FL

2015

Government forms and task pipelines can be a beautiful experience.

Sr. Software Engineer, Lead

Create and maintain multiple EmberJs single page applications.
Maintain multiple microservices built with NodeJs, Java (+itext), and Python.
Deployment configurations for nginx, and some AWS management.
Introduced git and onboarded all applications to version control and github.
Implement security on server instances, analyze security with tiger, add swap space, rootkit detection, ulimit for nginx processes.
Use tsung/taurus to benchmark server load & capacity.
Create WBS spreadsheets and try to come up with creative ways for the team to practice estimation techniques (planning poker).
Use of phantomjs to prerender a JavaScript website for a search crawler to consume.
Wrote a blog article featuring the company products & technical details of the refactor.
Mentor new members of the team as well as junior engineers.

@ Urban4m

2014 - 2015

Discover and evaluate the best area to expand your business, relocate your family, or find statistical patterns with APIs and a easy-to-use openlayers maps application.

Front-End Web Developer

Started a single-page web application using AngularJs, openlayers maps, D3js, and a thin NodeJs application server. Interfaced with elasticsearch.
Programmatically generate screenshots of portions of the web interface.
Re-worked and re-designed landing pages for a modern feel and a maintainable code base. Use of bootstrap and various CSS grid libraries.

@ Verizon Wireless POS | Atlanta, GA

2012 - 2014

Systems Engineer at Point of Sale IT Department

JavaScript, jQuery, JSP, and Java across various applications.
Rewrite of the kiosk application previously used in Verizon stores.
Use of JMVC and AngularJs JavaScript frameworks.

@ Rock Solid Technologies | San Juan, PR

2009

Intern Developer

Worked with client on site to retrofit security of an existing application.
Removed previous user database and replaced with Active Directory roles.
Effort to comply with the Sarbanes–Oxley Act; included reporting and role assignment dashboard.
Light exposure to C#, ASP.NET, Microsoft SQL Server.

@ Nic.pr | San Juan, PR

2008

Puerto Rico Top Level Domains; .pr domain names.

Part-Time Developer

Familiarized with basic dns concepts and domain name registrars internals.
Exposure to ASP, VBscript, PHP, Javascript, HTML, CSS.
Worked on Domains of the Caribbean project.

Education

Bachelor of Science in Computer Engineering. Computer Science Minor. University of Puerto Rico, 2012.

Research topic: Optimized Strategies for the Mastermind Game.

Implemented various algorithms from research papers from popular computer scientists (Donald Knuth) including Worst-Case, Entropy, Best-Case.
Created a C console application, in order for computer to play and emulate all possible game variations and outcomes per turn, of the Mastermind Game.
Based on a brute force approach. Flexibility to run as separate sub programs and report compiled results.
Presented results at a conference and published a research paper.

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