madalosso

Fullstack Developer

Experience: 3 years

Yearly salary: $140,000

Hourly rate: $70

Nationality: 🇧🇷 Brazil

Residency: 🇧🇷 Brazil


Experience

Lead Software Engineer
Rubicon
2021 - 2022
DeFi protocol and Dapp development. Responsible for the Dapp (frontend) and backend applications to support Rubicon's open order book protocol. Implementation and maintenance of a fast response backend system to communicate order changes. Integration with Subgraph to track order history. Dapp Multi-layer support (L2 Optimism network support). Team building. Infrastructure maintenance.
Senior Software Developer
Mercado Bitcoin
2021 - 2021
Led the development of a microservice responsible for managing and generating trade reports for LatAm's leading digital currency exchange.
Software Developer
Jobylon
2017 - 2021
Contributed to most of the core features of Jobylon ATS tool. Extract and index data from candidate files (like CVs and cover letters) with ElasticSearch. Support asynchronous file upload and file anti-virus scan for job applications, all done using AWS tools (S3 signed URL and Lambda functions). Designed and configured async workers' services to process heavy load operations. Integrations with multiple job boards to promote job ads. Set up a docker-compose environment to speed up DevOps processes and on-board new developers. Participate in the interviewing process to hire more devs.

Skills

ethereumjs
golang
graphql
nextjs
node
python
react
web3js
english
portuguese