Fabian Hernandez
Staff AI - Machine Learning Operations Engineer
San José, Costa Rica
Summary
👤
Senior🎓
Top SchoolFabian Hernandez is a Staff AI and MLOps engineer with 12 years of experience building scalable ML systems and data platforms from Costa Rica. He blends deep software engineering roots—shipping Golang microservices and CI/CD at Huli—with applied ML and data architecture expertise, having designed end-to-end MLOps frameworks with Databricks, Snowflake, dbt and Terraform. Fabian has led teams as Field CTO and Senior Data Architect, delivered agentic LLM solutions for customer-specific insights, and published Bayesian inference research while at the University of Nottingham. An active open-source contributor, he improved Swagger generation for the widely used grpc-gateway project, showing attention to API ergonomics and interoperability. Known for turning research-grade methods into production-ready pipelines, he pairs statistics training with practical cloud-native engineering to accelerate GenAI initiatives.
12 years of coding experience
11 years of employment as a software developer
Chevening AwardsHigh school degree Mathematics and Computer Science, High school degree Mathematics and Computer Science at Costa Rica Scientific High School programBachelor's degree at Computer Science Computer Science, Bachelor's degree at Computer Science Computer Science at Tecnológico de Costa RicaMaster's degree Professional Statistics, Master's degree Professional Statistics at Universidad de Costa Rica UCRMSc Machine Learning in Science, MSc Machine Learning in Science at University of Nottingham
English, Spanish
Github Skills (9)
rest-api10
swagger10
go10
grpc-gateway10
openapi10
protobuffer10
protobuf10
grpc10
restful-api9
Programming languages (5)
Github contributions (5)
grpc-ecosystem/grpc-gateway
Jan 2019 - Mar 2019
gRPC to JSON proxy generator following the gRPC HTTP spec
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 commits, 4 PRs, 29 comments in 1 month
Contributions summary:Fabian primarily contributed to the implementation of Swagger annotation support within the gRPC-gateway project, which included features for enums, nested objects, and primitive fields. Their work focused on integrating annotations to properly generate Swagger documentation. This involved modifying protobuf definitions and updating the code generator to correctly reflect the API structure in the Swagger output. They also fixed tests related to swagger generation.
to-jsonproxyfollowinggrpcspec
fahernandez/kima
Feb 2015 - Mar 2017
Contributions:16 PRs, 12 pushes, 6 branches in 2 years 1 month
phpphp-frameworkframework
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