Arthur Costa
Staff Software Engineer at Function Health
Ceará, Brazil
Summary
🤩
Rockstar🎓
Top SchoolArthur Costa is a Staff Software Engineer with over a decade of hands-on experience designing resilient, cloud-native systems and leading product-focused engineering teams. He has driven measurable impact—cutting document-processing manual work by 70%, speeding model inference by ~40% through PyTorch vs quantized ONNX experiments, and shrinking contract-signing flows from 24 hours to one while boosting sales. Comfortable across system design, databases, DevOps, and crisis management, he combines deep backend expertise (including contributions to the DataStax C# driver for Apache Cassandra) with a pragmatic interest in new AI and infrastructure tooling. His career spans startup CTO responsibilities and senior technical roles at remote-first companies, reflecting both strategic leadership and day-to-day implementation. Based in Ceará, Brazil, he pairs continuous hands-on engineering with a habit of prototyping PoCs to validate technical choices before scaling.
10 years of coding experience
21 years of employment as a software developer
B.Sc. Information Technology, B.Sc. Information Technology at Universidade de Fortaleza
English, Portuguese
Stackoverflow
384reputation
11kreached
16answers
0questions
Github Skills (20)
cassandra10
testing10
net10
asp-net10
dotnet-core10
csharp10
cassandra-database10
linq9
dotnet9
database8
driver8
database-administration8
dotnet-new8
databases8
admin8
Programming languages (6)
Github contributions (5)
datastax/csharp-driver
Jan 2016 - Oct 2017
DataStax C# Driver for Apache Cassandra
Role in this project:
Back-end Developer & QA Engineer / Test Automation Engineer
Back-end Developer & QA Engineer / Test Automation EngineerContributions:33 commits, 60 PRs, 343 pushes in 1 year 9 months
Contributions summary:Arthur contributed to the DataStax C# Driver for Apache Cassandra by implementing various tests to improve the driver's functionality. These tests cover areas such as heartbeats, DSE test harnesses, dictionary parameters, TTL insertions, and Timeuuid comparisons. The user also focused on addressing issues related to serialization, geometry, and read timeouts, ensuring the driver's stability and reliability. Furthermore, the user added tests to cover counter increments, Linq queries and several other features.
dotnetdriverdatastax-drivernosqlcassandra
landim/landim.github.io
Feb 2023 - Jul 2023
Contributions:6 PRs, 63 pushes, 4 branches in 4 months
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