Vinicius Mesel
Founder at talkdai & sharpi-ai
São Paulo, São Paulo, Brazil
Summary
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RockstarVinicius Mesel is a founding software engineer and entrepreneur in São Paulo with 10 years building production ML and web systems. He founded and maintains talkd.ai, an open-source tool to deploy LLMs in under five minutes, and was the first Brazilian—and sole representative in the AI cohort—of the GitHub Accelerator. At Buser he built an award-winning GenAI chat agent (LangGraph, OpenAI, pgvector) with a human-in-the-loop workflow that improved CSAT by 9%. His hands-on stack covers Linux sysadmin for LLM servers, Python microservices (FastAPI, Celery, Redis), PostgreSQL and SSO/Django systems. An active open-source contributor, he has made pragmatic backend improvements to projects like pREST by extending Postgres operators and tests. Trained in computer engineering with an MBA in Data Engineering and early research in biomathematics/bioinformatics, he pairs scientific rigor with product-focused GenAI engineering.
11 years of coding experience
Stackoverflow
157reputation
5kreached
1answer
8questions
Github Skills (25)
postgress10
postgresql10
postgre10
testing10
postgres10
postgrest10
go10
golang10
api-automation9
databases9
apiautomation9
api9
database9
rest-api9
salesforce-rest-api8
Programming languages (18)
Github contributions (5)
prest/prest
Oct 2022 - Jan 2023
PostgreSQL ➕ REST, low-code, simplify and accelerate development, ⚡ instant, realtime, high-performance on any Postgres application, existing or new
Role in this project:
Back-end Developer
Back-end DeveloperContributions:31 reviews, 56 commits, 18 PRs in 2 months
Contributions summary:Vinicius primarily contributed to the pREST project by implementing and testing new features related to database operators, specifically focusing on `NOT LIKE` and `NOT ILIKE` operations. They added these new operators to the `postgres.go` and `postgres_test.go` files, which indicates a focus on extending the core functionality of the API's database interaction capabilities. Furthermore, they modified the `doc.go` and `config/config_test.go` files. These changes show the user's involvement in improving the testing coverage, and maintaining code consistency.
realtimelow-codedockerdatabasepostgres
talkdai/dialog-lib
Apr 2024 - Oct 2024
Contributions:3 releases, 5 reviews, 13 PRs in 6 months
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