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Yeiner Fernández
Mentor
Rising Codementor
US$15.00
For every 15 mins
ABOUT ME
Specialized on the LAMP Stack, Laravel, RoR and React
Specialized on the LAMP Stack, Laravel, RoR and React
Product-minded engineer with 16+ years building customer-facing products from 0→1 and scaling them to millions of users. Expert in translating business requirements into elegant technical solutions, working directly with customers and stakeholders, and owning features end-to-end from discovery through launch and iteration.
French, Spanish, English
Bogota (-05:00)
Joined June 2019
EXPERTISE
10 years experience
The LAMP stack has been my main focus since the beggining of my career. I can handle from simple to very complex codebase in any kind of ...
The LAMP stack has been my main focus since the beggining of my career. I can handle from simple to very complex codebase in any kind of applications. Mostly Laravel, and also projects with no frameworks.
I can handle Linux Server setup, and Databases (raw SQL) with ease.
5 years experience
I've worked with both React.js and React Native. I can build and maintain React.js apps, and I have a great understanding of the inner wo...
I've worked with both React.js and React Native. I can build and maintain React.js apps, and I have a great understanding of the inner workings. React Native is secondary skill that I can handle in case of being strictly necessary.
6 years experience
Laravel is the PHP Framework I've worked with the most. Since version 4 back in 2013.
I can handle all the application flow, and the whol...
Laravel is the PHP Framework I've worked with the most. Since version 4 back in 2013.
I can handle all the application flow, and the whole framework API is pretty familiar to me.
5 years experience
Ruby on Rails, limited experience (2 yrs), I can handle an existing RoR codebase, add features and add bugs applying TDD. Ruby is a langu...
Ruby on Rails, limited experience (2 yrs), I can handle an existing RoR codebase, add features and add bugs applying TDD. Ruby is a language I'm pretty familiar with.
10 years experience
10 years experience
REVIEWS FROM CLIENTS
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SOCIAL PRESENCE
121 Reputation
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8
EMPLOYMENTS
Technical Support and Integrations Lead
Attention
2024-09-01-Present
Product Work:
- Owned integrations product for 40+ platforms (Gong, Outreach, Salesforce, R...
Product Work:
- Owned integrations product for 40+ platforms (Gong, Outreach, Salesforce, RingCentral), directly gathering requirements from customers and prioritizing roadmap
- Reduced integration request turnaround by 80% (1 week → 1-2 days) through improved processes, improving customer onboarding experience
- Handled 100s of integration support cases during tenure, reducing escalations to Engineering
- Supported closure of multi-6-figure enterprise deals through technical integration expertise and stakeholder management
Technical Execution:
- Built data pipeline processing 50K+ sales calls daily with 99.5% uptime
- Designed webhook processing infrastructure handling thousands of real-time events
Zapier
AWS Lambda
Golang
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Zapier
AWS Lambda
Golang
N8n
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Shopify Consultant (Part-Time)
Riess Group (acquired by CQL)
2025-03-01-2026-01-01
- Designed 3-tier multi-tenant architecture (Super Admin → Organizations → Store Divisions) serving B2B2C western ...
- Designed 3-tier multi-tenant architecture (Super Admin → Organizations → Store Divisions) serving B2B2C western wear retail model with isolated data per tenant
- Built unified data aggregation layer designed to consolidate 20K+ historical Shopify orders with custom metadata for special orders, invoices, work orders, and credit memos
- Architected payment orchestration system integrating Stripe ACH (bank transfers), Shopify CC processing, and check payments with automated reconciliation
- Implemented real-time inventory calculation engine using Shopify API live queries, coordinating stock across e-commerce, POS, and external inventory systems (migrated from Stocky to SKU Savvy)
- Designed special orders workflow engine with conditional logic for automatic e-commerce triggering vs manual POS entry based on live stock availability
- Built embroidery work order tracking system managing production lifecycle end-to-end with status transitions and completion tracking
- Implemented credit memo system with automatic generation from Shopify draft order refunds and redemption logic across future invoices
- Established trunk-based development workflow enabling 10-20 production deployments daily with automated QA gates
PHP
MySQL
Laravel
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PHP
MySQL
Laravel
Shopify
Vue.js
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Senior Software Engineer
GlossGenius
2023-12-01-2024-09-01
- Led the high level initiatives around the SMS business line and its migration to a new product infrastructure. Coordinated this proj...
- Led the high level initiatives around the SMS business line and its migration to a new product infrastructure. Coordinated this project and dealt with a lot of uncertainty during the process.
- Developed solutions in Kotlin and Ruby on Rails
- Planned the execution of the new service around messaging and notifications
- Participated in key decisions in the Payment Platform team
Ruby on Rails
PostgreSQL
Kotlin
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Ruby on Rails
PostgreSQL
Kotlin
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PROJECTS
GardenOSView Project
2026
GardenOS is an iOS app currently in the making, targetted to Plant parents. It uses native APIs to provide a pristine UX and experience
GardenOS is an iOS app currently in the making, targetted to Plant parents. It uses native APIs to provide a pristine UX and experience
Django
Swift
Django
Swift
Hayeshi Martial ArtsView Project
2026
Multi-tenant Django app for Martial Arts Schools, currently with a single tenant called Hayeshi
Multi-tenant Django app for Martial Arts Schools, currently with a single tenant called Hayeshi
Python
Django
PostgreSQL
Python
Django
PostgreSQL