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Emma Estrada

Full-Stack Developer

I build enterprise integrations, web applications, and automation systems that handle real business impact — from inventory sync across 4 platforms to 30K+ daily communications.

Let's talkSee my work

About Me

Code on a screen

Full-stack developer with 8+ years shipping production systems — enterprise integrations, web apps, APIs, and automation that businesses depend on daily.

I work across Ruby on Rails, Python, React, PostgreSQL, GraphQL, Salesforce, and cloud platforms. My sweet spot is the intersection of complex data flows and clean, maintainable code.

I've been integrating AI tools into my workflow since before it was trendy — using Claude, Cursor, and custom RAG pipelines to accelerate delivery without sacrificing quality.

8+
Years shipping
30K+
Daily messages
40%
Revenue lift
150%
Traffic growth

My Skills

💻

Languages & Frameworks

Ruby / Ruby on RailsPythonReact / Next.jsTypeScript / JavaScriptGraphQL / REST APIsPHP / Laravel
🤖

AI & Data

TensorFlow / PyTorchRAG / Fine-Tuning / NLPClaude / OpenAI APIHugging Face / AWS BedrockLangChain / Prompt Engineering
🗄️

Databases

PostgreSQLSQL ServerMongoDBFirebase FirestoreSQLite / CoreData
☁️

Cloud & DevOps

AWS (EC2, Cognito, S3)Azure (Blob, SQL, Functions)Docker / KubernetesGitHub Actions / Azure PipelinesGit / GitHub / GitLabSalesforce / D365

Work Experience

Software Engineer

ArkusNexus

Feb 2023 – Present
  • Designed and shipped integrations between SKUSavvy, Microsoft Dynamics 365, RMS, and Salesforce — syncing inventory across 4 business systems in real time
  • Built Python and Ruby on Rails services automating inventory adjustments, transfers, reporting, and data synchronization
  • Developed GraphQL and REST APIs processing inventory and operational data across enterprise platforms
  • Implemented automated CSV generation and SFTP delivery workflows for enterprise data pipelines
  • Built APIs and backend services supporting order management and customer communication workflows
  • Contributed to systems responsible for delivering 30,000+ transactional communications daily
  • Integrated AI tools (ChatGPT, Claude, Cursor, Ollama) into the development workflow to accelerate troubleshooting, design, and delivery
PythonRuby on RailsPostgreSQLGraphQLSalesforceD365AWS

Full Stack Software Engineer

Villagroup

Apr 2019 – Feb 2023
  • Developed booking engines, reservation systems, and customer-facing web applications for hospitality brands
  • Built backend services and frontend experiences supporting hotel reservations and membership management
  • Drove a 40% increase in reservation revenue, 60% revenue growth, and 150% increase in website traffic
  • Built content management systems, promotional landing pages, and internal business tools
Ruby on RailsReactPostgreSQLAWSJavaScript

Full Stack Web Developer

OH! Travel Marketing

May 2017 – Apr 2019
  • Developed websites, CMS platforms, and e-commerce solutions for tourism industry clients
  • Implemented technical SEO improvements and performance optimizations
  • Built custom WordPress and Laravel applications based on client business requirements
PHPLaravelWordPressJavaScriptMySQL

Featured Projects

Enterprise Inventory Integration

Enterprise Inventory Integration

Real-time inventory sync between SKUSavvy, Dynamics 365, RMS, and Salesforce — automating transfers, reporting, and data pipelines across 4 business systems.

  • Real-time sync across 4 platforms
  • Automated CSV/SFTP workflows
  • Enterprise-scale data processing
PythonRailsGraphQLPostgreSQLAWS
Reservation & Hospitality Platform

Reservation & Hospitality Platform

Booking engines and reservation systems for hospitality brands — driving a 40% increase in reservation revenue and 150% growth in website traffic.

  • 40% revenue increase
  • 150% traffic growth
  • Full-stack booking system
ReactRuby on RailsPostgreSQLAWS
Customer Communications Engine

Customer Communications Engine

Backend services for order management and customer communication workflows, delivering 30,000+ transactional messages daily via Salesforce Marketing Cloud.

  • 30K+ daily communications
  • Order management APIs
  • Finance reporting dashboards
Ruby on RailsSalesforceMarketing CloudSQL
AI-Assisted Development Workflows

AI-Assisted Development Workflows

Integrated Claude, Cursor, and Ollama into the development process to accelerate debugging, integration design, documentation, and delivery across projects.

  • Reduced implementation time
  • AI-assisted debugging
  • Documentation automation
ClaudeOpenAICursorOllamaRAG

Education

Bachelor of Computer Systems Engineering

Instituto Tecnológico de Tepic

2017

Get in touch

Have a project in mind or want to discuss opportunities? I'd love to hear from you.

Connect

Quick info

  • Open to remote opportunities
  • Available for freelance projects
  • Full-stack development specialist
  • Enterprise integrations & AI workflows