Hylke Visser
Staff Engineer at 1Password
The Hague, South Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolHylke Visser is a Staff Engineer with 13 years of experience building cloud-native, distributed systems and developer-facing APIs, currently at 1Password in The Hague. He has led design and implementation of The Things Stack, a production-grade LoRaWAN network server, owning API design (Protobuf/gRPC/REST), data models and global SaaS deployment patterns in Go on AWS and Kubernetes. His work blends backend systems engineering—MQTT, observability, scalability—and practical infrastructure services, with notable open-source contributions to projects like TheThingsArchive/ttn and protoc-gen-doc that improved API documentation and RPC semantics. Trained in distributed systems (M.Sc., Aalto) and cloud infrastructures (Rennes), he pairs academic depth with a history of shipping reliable IoT and backend platforms. Colleagues describe him as a hands‑on builder who learns by doing, often improving developer experience in subtle ways (e.g., validation and streaming indicators in generated docs) that pay dividends across teams.
13 years of coding experience
14 years of employment as a software developer
Master of Science (M.Sc.), Distributed Systems and Services, Master of Science (M.Sc.), Distributed Systems and Services at Aalto UniversityMaster of Science (M.Sc.), Cloud Infrastructures, Master of Science (M.Sc.), Cloud Infrastructures at Université de Rennes IBachelor of Science (B.Sc.), Computer Science, Bachelor of Science (B.Sc.), Computer Science at Delft University of Technology
Dutch, English
Stackoverflow
21reputation
64reached
2answers
0questions
Github Skills (18)
api-design10
protocol-buffers10
protoc10
go10
golang10
protobuffer10
protobuf10
documentation10
grpc10
lorawan9
iot9
googleapis8
google-api8
open-source7
ruby-on-rails6
Programming languages (14)
Github contributions (5)
TheThingsArchive/ttn
Jan 2016 - Nov 2021
The Things Network Stack V2
Role in this project:
Back-end Developer
Back-end DeveloperContributions:28 releases, 4 reviews, 1621 commits in 5 years 11 months
Contributions summary:Hylke primarily contributed to the back-end components of the project, modifying core application logic through the addition of new features, as indicated by the code differences within the API. Their contributions included the implementation of functions and data types, as well as extending core aspects of the API. These changes were focused on expanding the capabilities of the backend while maintaining existing functionality of the project.
golangthe-things-networklorawan-serverlora-serverlora
pseudomuto/protoc-gen-doc
Aug 2018 - May 2020
Documentation generator plugin for Google Protocol Buffers
Role in this project:Back-end Developer
Back-end DeveloperContributions:19 commits, 3 PRs, 10 comments in 1 year 8 months
Contributions summary:Hylke primarily focused on enhancing the documentation generation plugin for Google Protocol Buffers. Their contributions involved adding stream indicators to RPC requests and responses within the generated documentation and templates. They added options and extensions to the template including support for Google's HTTP API annotations and validation rules using two different extension libraries, `validator.field` and `validate.rules`. These modifications enhanced the clarity and functionality of the documentation.
golangprotocol-buffersgoogle-protocol-buffersprotobufdocumentation-generator
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