Juan Roldán

Company based in Chicago, Illinois. Solving complex business problems with elegant technical and consulting solutions.

Company Project: Agency Management System
Lead Engineer for the in-house time tracking system for company employees. In 3 months delivered new features like: time off request managing, special company retreats & automated reports sent via email on the 1st of the month with custom views for Admins & Users.

Generated best practices documents for the team on clean code and code-reviewing techniques within Github & Jira. Reduced number of meetings (from 6 per week to 2), increasing team’s efficiency in delivering features, solving issues and improving general rapport.

Client: Vital Source

Improved accessibility on API endpoints over many resources, carefully limited responses data structures based on roles provided in request, increased API parameters for a fine-grained set of API queries.

Analyzed and improved schools & universities signup process by reducing steps required, rearranging questions, using less and more efficient requirements leading to an increase in successful sign ups (UX & backend work provided).

Working within a distributed team to maintain the company's infrastructure (hosted in AWS) and providing support to internal teams working on clients projects in topics like: CI/CD, API Development, Deployment instructions, Bash scripts, Infrastructure as Code and Github Actions.

Client: Decisiv
Led efforts on refactoring legacy API codebase following TDD practices and red-green refactoring cycles so new third-party clients were supported without impacting existing 100K users per month & 1M service events per year.

Contributed in API integrations with public/private third party services. Developments coordinated through Zoom and Slack services.

Contributed in BulkData API efforts coordinated & documented across teams to provide clean and evolving interfaces where developers could add/modify/test their implementations.

Client: LocusHealth
Integrated AWS Cognito API with platform’s authentication base workflow and MFA authentication workflows implemented via SMS.

Promoted and validated TDD implementations across all application modules, documenting steps with new environment variables required. Documented every feature using Postman API Premium docs platform.

Developed a user-friendly customization feature, following CTO’s requirements, allowing platform admins to customize programs episode/medical fields as needed, making the entire process simpler, faster and more secure.

Client: DriverReach
Implemented Analytics from scratch through SegmentIO (Google Analytics & Intercom). Tracking 14 different events within the platform: registration steps, purchases, accepting driver applications, sending messages and more.

Improved signup process by providing insights to drivers before accessing the platform: number of matching companies based on location, license class, years of experience and job type preferences (part-time, full-time).

Developed CRM for recruiters improving communication with drivers, handling meetings and any missing requirements, ensuring each driver a successful application for trucking companies across the United States. Recruiters can now keep track of each driver's progress on a daily basis.

Ora is your Marketing Engine combining technology, research and data. Ora searches, tracks and delivers customers to you in easy to use software.

Led team efforts for 10 months straight on new functionalities related to critical areas of the company: Billing and Analytics. Performing database performance improvements and testings, generating PDF orders via background jobs, re-balancing work on each background queue and providing new interfaces for Admins to generate weekly reports in a much faster and logical way.

Analysis and troubleshooting of long term functionalities (2 years old and more), performing frontend/backend code refactoring.

Weekly sync up with Marketing & Product teams. Transformed ideas/requirements into new functionalities for the Ora App.

Implemented the first caching implementation across all areas of the platform and made it easy to adopt in new features, increasing general UX performance, drastically reducing daily API calls to Google Analytics and saving the startup lots of money in Google Analytics bill.

Performed lightning talks for colleagues regarding MVC Patterns, Agile Techniques and Caching implementations.