Newton Ramos Garcia
Senior Software Engineer
About
Senior Software Engineer with 15+ years of experience, most recently leading the development of an AI voice assistant SaaS for healthcare providers. Built the platform from scratch, including core workflows, backend systems, and integrations with healthcare tools and EHR-related systems.
Background across SaaS, e-commerce, and cloud platforms, with a strong focus on backend-heavy systems, data-driven product work, and production reliability. Delivered measurable outcomes such as conversion improvements through A/B testing, major performance gains in analytics systems, and revenue from products built and shipped end to end.
Find Me
Technical Skills
Languages
Ruby, Python, JavaScript, TypeScript, Elixir, Rust, R
Backend & APIs
Ruby on Rails, NodeJS, REST APIs, GraphQL, WebSockets, Background Processing, Sidekiq, Kafka
Frontend
Turbo/Hotwire, React, Tailwind CSS, Stimulus
Data & Search
PostgreSQL, MySQL, Redis, Elasticsearch, Vector Databases (pgvector, Pinecone)
Infrastructure
AWS (Lambda, S3, RDS, CloudWatch), Docker, Kamal, Ansible, Terraform, Heroku, CI/CD
Observability
Datadog, New Relic, Sentry, Logtail, Error Monitoring, Performance Monitoring
AI & Voice
LLM Integrations, Conversational AI, RAG, Speech-to-Text, Text-to-Speech, LangChain, OpenAI, Prompt Engineering
Work
Backend Software Engineer
Action Network · New York City, United States (Remote, Contract)2018 —
- Core backend engineer on Action Builder, a new organizing CRM product.
- Designed and implemented GraphQL schema powering relationship mapping, network visualization, and organizer workflows.
Lead Software Engineer
Wendi · New York City, United States (Remote, Contract)2023 — 2025
- Led development of an AI voice assistant platform for automated patient intake, insurance verification, and multichannel conversations in healthcare.
- Architected end-to-end patient workflow engine and real-time conversational AI pipelines.
Full Stack Software Engineer
HuntClub · Chicago, United States (Remote, Contract)2022
- Developed and shipped features for a talent-matching platform used by thousands of recruiters and hiring managers.
- Built full-stack features improving recruiter workflows and candidate pipeline management.
Software Engineer
The Neat Company · Philadelphia, United States (Remote, Contract)2020 - 2022
- Built and maintained backend microservices for Neat's core platform, led a 3-month Rails upgrade across multiple major versions on a legacy application, and coordinated development with other engineers to modernize and support the company's backend services.
Software Engineer
CrazyEgg · Cerritos, United States (Remote, Contract)2019
- Re-architected signup flow and ran 12 A/B tests, lifting conversion by +18%.
- Integrated Elasticsearch into analytics dashboard, cutting load time from 4s to 800ms.
- Built Shopify integration driving 5% retention increase.
Software Engineer
Envato · Melbourne, Australia (Remote, Contract)2017 — 2018
- Built and improved a managed WordPress hosting platform with multi-service architecture.
- Designed and implemented automated WordPress backup system for thousands of hosted sites.
Software Engineer (Closed. Formerly pressed.net)
Pressed · New York City, United States (Remote, Contract)2016 — 2017
- Founding engineer on a greenfield WordPress hosting platform.
- Built the entire stack from scratch using Ruby on Rails on AWS, including site provisioning, DNS configuration, and SSL management.
Software Engineer
ReferralCandy · Singapore, Singapore (On-site, Contract)2015 — 2016
- Shipped product features and streamlined e-commerce platform integrations for a referral marketing SaaS serving thousands of merchants.
Software Engineer
Site5 · Dallas, United States (Remote, Contract)2015
- Built internal CRM and client-facing management tools, a white-label managed WordPress product, and custom automation tooling for staff operations.
Software Engineer (Closed)
WWWH · Goiânia, Brazil (Remote, Contract)2015
- Built internal CRM and client-facing management tools, a white-label managed WordPress product, and custom automation tooling for staff operations.
Python Developer (Closed)
Critsend · San Francisco, United States (Remote, Contract)2012 — 2013
- Built a next-generation email deliverability platform in Python and maintained a distributed transactional email service handling high-volume sends.
- Developed a server reputation monitoring module (blacklist tracker) and a billing application for the new product line.
Entrepreneurial Experience
Founder and Developer — Chatified
Goiânia, Brazil (Remote, Founder)
2025 - present
- AI-powered chat platform for businesses.
- Conversational AI assistant builder with multi-channel support.
Founder and Developer — MailMachine
Goiânia, Brazil (Remote, Founder)
2024 - present
- Modern email marketing platform with automation workflows, analytics, and deliverability tools.
Founder and Developer — Maior Desconto (Closed)
Goiânia, Brazil (Remote, Founder)
2011 — 2013
- Bootstrapped marketplace that reached $700K+ in sales, 41,000+ registered users, and 17,000 paying customers.
Founder and Developer — Mailtrack (Closed)
Goiânia, Brazil (Remote, Founder)
2009 — 2010
- Full-featured email marketing platform with campaign automation and analytics.
Earlier Career
Software Developer at OVG (2005–2010) — Managed a web application serving approximately 100,000 college students for a state government scholarship program.
Contractor for InboxMail (2008) — Built an email marketing solution delivering 1M+ emails per month.
Various web development and hosting projects (2004–2006).