Resume

Rafael has 7+ years of experience in various industries, ranging from seed- stage SaaS startups to growth-stage scaleups. Proven track record of working with Ruby on Rails, Python + Django, Typescript + React, and Elixir + Phoenix, building reliable and scalable software. He's motivated by creating new and engaging customer-centric apps loved by clients.

His passion is to build products that are both functional and aesthetically pleasing. More importantly, he wants the product to do exactly what the customers needs it to do. He has a strong background in both front-end and back-end development, and he is always looking for new challenges to tackle.

• Working on the Web Analytics small team, building a new product to help companies understand their customers and improve their products.
• Leading the Core Web Vitals + Performance tracking feature.

• Built the company's flagship product in Ruby on Rails + React/TS, with a fully-fledged GraphQL API, deploying tens of times every day.
• Implemented integrations with 4 big players in the Proptech industry, including 2-way sync PubSub-based infrastructure
• Reduced frontend bundle size by 95% by applying modern frontend bundling practices while migrating from CRA to Vite.
• Grew company by 2 orders of magnitude while making sure both the database and app architecture were capable of sustaining the higher load by migrating the company infrastructure from Heroku to AWS.

• Developed a novel logistics IaaC microservice architecture, integrating with tens of shipping companies, to handle 70k deliveries/month in a continental country such as Brazil, using Terraform.
• Maintained a legacy Django monolith responsible for the subscription process, while rewriting the old fiscal/billing system on Serverless.
• Built an internal CLI to coordinate the company software deployment process, decreasing deployment time by 60%.

• Led the initial MVP for the Brazilian government in a 3-month timeframe with a team of 3 junior engineers, and got the project greenlit by the government.
• Built a fully-dockerized Ruby on Rails MVC application for the Brazilian public health system UPSs (small health clinics spread through Brazilian neighborhoods)
• Provisioned infrastructure in AWS, using EC2, RDS, ELB, Route 53, and Cloudwatch.

• 2022: <i>summa cum laude</i> Bachelor's degree in Computer Science from Universidade Federal do Rio Grande do Sul (UFRGS), Brazil
• 2021: Exchange student at the Technische Universität Kaiserslautern (TUK), Germany
• 2019/2020: 2-time finalist in the Brazilian Competitive Programming Contest (ICPC)

• Portuguese (Native)
• English (Professional Working Proficiency)
• Spanish (Limited Working Proficiency)
• German (Elementary Proficiency)

In no specific order (help with Ctrl/Cmd + F):

• Programming Languages: Ruby, Python, Typescript, Javascript, Elixir
• Frameworks: Ruby on Rails, Django, React, Phoenix, NextJS, Gatsby, Astro
• Databases: PostgreSQL, Clickhouse, Redis, Elasticsearch
• Cloud: AWS (Lambda, DynamoDB, S3, CloudFront, CloudWatch, RDS, ELB, Route 53), Vercel, Netlify
• Tools: Docker, Kubernetes, Terraform, Git, GitHub, GitLab, CI/CD, Semaphore CI, Github Actions, GA4, PostHog