Michel Fernando da Silva Gatti
Verified Expert in Engineering
Full-stack Developer
Araraquara - State of São Paulo, Brazil
Toptal member since October 25, 2024
Michel is an experienced full-stack developer and tech leader with over 15 years of expertise in the Ruby and PHP ecosystems. He has led teams to develop robust and scalable applications, leveraging skills spanning the entire software lifecycle, from requirement gathering to system maintenance. Michel is committed to delivering efficient, user-focused solutions that drive business value while fostering technical excellence within his teams.
Portfolio
Experience
- REST - 5 years
- Laravel - 5 years
- Symphony - 5 years
- PHP - 5 years
- React - 4 years
- Apache Kafka - 4 years
- GraphQL - 4 years
- Ruby on Rails (RoR) - 4 years
Preferred Environment
Ruby on Rails (RoR), PHP, GraphQL, Symphony, REST, React, Laravel
The most amazing...
...solution I've built is a mortgage validation system that validates and calculates interest amounts for about 80% of all mortgage requests in the Netherlands.
Work Experience
Senior Back-end Engineer
Toptal
- Worked as a key engineer extracting billing documents, including invoices, memorandums, payments, and multiple payment methods.
- Improved system security by ensuring access for authorized teams only.
- Led a multi-team project to capture and sync contract terms from Salesforce to the platform, ensuring staff adherence to contract terms while enhancing DocuSign integration to enable the legal team to generate draft contracts with pre-filled terms.
- Handled a project that improved the communication system between clients and staff, introducing automated replies with both Slack and Twilio webhooks, bringing space for AI-powered chatbots.
- Started a multi-team initiative to implement a project-based workflow, enabling the company to manage and deliver complete projects, resulting in over 100 new projects and new revenue streams.
- Introduced a new internally signed contract type, reducing costs and eliminating the need for 3rd-party integration through DocuSign.
- Collaborated closely with the billing team to implement and optimize Stripe integrations for credit card and ACH payments, invoice processing, and dispute management.
Software Specialist
Invillia
- Acted as a tech lead in successful projects for the company's first international partner, ensuring team growth and a contract with the partner.
- Managed 12 people working on multiple projects under the same client.
- Implemented tools used by most intermediaries in the Netherlands to calculate interest rates and validate mortgages.
Team Leader
Monitora
- Handled successful projects within four big products for an international partner.
- Led a Brazilian team, connecting projects with teams spread around the world.
- Implemented the cash expenses flow, dealing with pilots' expenses abroad and different exchange rates.
Senior Engineer
Cast
- Leveraged Java on multiple projects for the Brazilian government.
- Managed 20+ people for two years, taking full accountability for my team's performance and deliverables.
- Grew internally from an intern engineering role to a management position.
Experience
Toptal's Managed Delivery Platform
https://www.toptal.com/managed-deliveryInterest Table and Calculation System for Dutch Mortgages
https://www.solidbriq.nl/actuele-rentetarieven/Skills
Libraries/APIs
Slack API, Twilio API, React, Google Drive API, Vue, Stripe
Tools
AWS ELB
Languages
PHP, GraphQL, Java
Frameworks
Ruby on Rails (RoR), Laravel, Oracle ADF
Paradigms
REST, Service-oriented Architecture (SOA)
Platforms
Apache Kafka
Storage
Amazon S3 (AWS S3)
Other
DocuSign, Symphony, Oracle BPM, API Integration
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