Ranie User
@ranieuser
I build production AI, SaaS, and full-stack systems at scale.
What I'm looking for
At ClickFunnels, I lead architecture and end-to-end engineering for production AI capabilities, SaaS products, integrations, and cloud delivery. I build RAG pipelines and agentic workflows with LangChain, LangGraph, OpenAI-compatible LLMs, Claude, Gemini, Pinecone, and pgvector, while connecting product workflows to CRM, finance, reporting, and operational systems.
I’ve spent more than 10 years modernizing full-stack platforms across fintech, e-commerce, automation, and distributed systems. I led modernization work for Doodly, serving more than 600,000 users, improving startup performance by 45% and reducing production crashes by 50%; I also reduced loan approval processing time from three days to 1.5 days at Nextres.
Experience
Work history, roles, and key accomplishments
Senior AI Engineer
ClickFunnels
Jan 2022 - Present (4 years 7 months)
Lead architecture and end-to-end engineering for production AI capabilities, high-scale SaaS products, backend platforms, and integrations. Architect RAG pipelines and AI agent workflows, and modernize Doodly, improving startup performance by 45% and reducing crashes by 50%.
Senior DevOps Engineer
Bryxen
Feb 2019 - Dec 2021 (2 years 10 months)
Played a foundational role in building and scaling Doodly, establishing core architecture for rendering, persistence, and delivery. Supported cloud and DevOps workflows, developed frontend and backend capabilities, and mentored engineers.
Software Full Stack Engineer
Nextres
Oct 2016 - Dec 2018 (2 years 2 months)
Developed and modernized a financial and lending SaaS platform, reducing loan approval time from three days to 1.5 days. Built secure backend services, frontend workflows, and Power BI reports for operational KPIs.
Full Stack Developer
Self-Employed
Jun 2015 - Sep 2016 (1 year 3 months)
Delivered full-stack web, mobile, booking, e-commerce, marketplace, and lending solutions for multiple clients, owning architecture, implementation, and deployment. Built backend APIs, responsive frontends, and cross-platform mobile apps.
Contributed within a large enterprise engineering environment, developing responsive frontend interfaces and backend integrations. Implemented accessibility practices and supported Agile delivery activities.
Education
Degrees, certifications, and relevant coursework
Singapore University of Technology and Design
Bachelor of Science, Computer Science
2011 - 2015
Bachelor of Science in Computer Science from Singapore University of Technology and Design from 2011 to 2015.
Tech stack
Software and tools used professionally
Google Tag Manager
Amazon API Gateway
D3.js
Chart.js
Microsoft Azure
Google Cloud Platform
Amazon S3
GitHub
GitLab
RxJS
Kubernetes
Cloudflare
Amazon CloudFront
Jenkins
CircleCI
GitHub Actions
GitLab CI
React Native
MySQL
PostgreSQL
MongoDB
Microsoft SQL Server
MariaDB
Shopify
Magento
Node.js
Django
Laravel
Spring Boot
Ruby on Rails
Next.js
Symfony
NestJS
.NET
Material-UI
Google Analytics
Redis
Terraform
Pulumi
Angular Material
QUnit
React
Vue.js
AngularJS
WebGL
React-Vue
Webpack
ClickFunnels
JavaScript
Python
HTML5
Java
CSS 3
PHP
Kotlin
PowerShell
HubSpot
Kafka
RabbitMQ
Django REST framework
FastAPI
Amazon DynamoDB
Linux
iOS
Windows
Windows Server
Apollo
Gemini
GraphQL
Prisma
Firebase
Elasticsearch
WordPress
Strapi
AWS Lambda
Amazon RDS
Zustand
vuex
TypeScript
pytest
PHPUnit
React Testing Library
Amazon SES
Docker
Zapier
Wix
Amazon Web Services (AWS)
NetSuite
SQL
ServiceNow
Airtable
NgRx
Amazon EventBridge
Supabase
LangChain
Playwright
Pinecone
Anthropic Claude API
Vite
Bash
N8N
pgvector
Agentic
LangGraph
LangSmith
Middleware
Android
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
Skills
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