Ismael Velten
Technical Development Leader at Paybyrd
Brazil
Summary
👤
Senior🎓
Top SchoolIsmael Velten is a Technical Development Leader with a decade of experience building reliable backend systems for fintech and payments, specializing in .NET and F#. He leads teams at Paybyrd where he drives automated deployments, integration testing, and observability with Azure, Application Insights, Elastic and Grafana, while improving code quality and coverage. Previously at Neon and Braspag he optimized batch processing, billing systems and high-throughput reconciliation pipelines, and has mentored engineers on performance, design patterns and functional programming. He has contributed to open-source F# projects and built production document storage and PostgreSQL replication tooling, reflecting a pragmatic blend of systems thinking and hands-on engineering. Based in Brazil, he pairs operational rigor with developer productivity improvements, often automating boilerplate and monitoring to reduce toil and speed delivery.
10 years of coding experience
10 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Universidade Veiga de Almeida
English, Portuguese
Stackoverflow
622reputation
41kreached
25answers
2questions
Github Skills (68)
postgresql10
fsharp10
relay10
dotnet10
sql10
graphql-query10
database10
data-provider10
query-language10
npgsql10
facebook10
graphql10
react10
querying9
discord-js8
Programming languages (7)
Github contributions (5)
puri-tan/bible-api-client
Mar 2021 - Feb 2023
Client for Bible API
Contributions:8 releases, 1 PR, 15 pushes in 2 years
apibiblebible-api
ivelten/FSharp.Data.GraphQL
Feb 2018 - Apr 2020
FSharp implementation of Facebook GraphQL query language.
Contributions:4 PRs, 595 pushes, 67 branches in 2 years 2 months
queryqueryingfsharpquery-languagefacebook
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