Hello, World!
- github @ ccjoel
- joel@radcoding.com
- LinkedIn @ joelquiles
- 🏖️ Florida, USA
Summary
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.
Competencies
- JavaScript, nodeJs, Clojure, Python
- HTML5, CSS/SASS, REST, AJAX, SPAs, responsive web implementation
- Immutable, asynchronous, and functional programming
- Distributed systems and web application architecture
- SQL, Cassandra, Elasticsearch: data Modeling, query design, and application integration
- Test-driven development; unit, integration and e2e tests: TestCafe & Cypress
- ReactJs with redux-toolkit and Material-UI, graphQL client integrations
- Package managers, bundle builds, task automation and deployments
- Engineering processes, product lifecycle, code reviews, Jira
- Linux filesystem, git, terminal environment, tmux
- Application & Server Security. API design
Professional Experience
Jataware
2022 - Current
Fast prototyping and innovative research-driven projects for government agencies and programs.
- Rewrite, maintain, and extend web apps to register arbitrary scientific datasets and standardize their output format for external consumption.
- Document (PDF) ingest and exploration pipeline; semantic search and ai assistant integration.
- Adapt and extend a PHP board game web app for Tournaments and data collection.
- Technologies: Python (FastAPI, pandas, Redis Queue, poetry), Javascript (ReactJs).
- MariaDB, ElasticSearch, deployments, AWS management and auth integration.
- Docker compose container setup and caddy server for deployments.
- Create new features for a Openlayers application, using HTMX, FastAPI, tailwindCSS, js.
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.