Reynald Borer
Senior Product Engineer at Romande Energie
Lausanne, Vaud, Switzerland
Summary
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Senior🎓
Top SchoolReynald Borer is a Senior Product Engineer based in Lausanne with 15 years of experience designing and operating resilient, data-heavy systems across startups and enterprises. He blends hands-on backend engineering (Clojure, Java, Kafka, Cassandra, Elasticsearch, BigQuery) with infrastructure and DevOps expertise—having led architecture, CI/CD and deployment automation at scale. As a former CTO and engineering director he has built and merged teams, led GDPR and security initiatives including a bug-bounty program, and prepared technical due diligence for exits. He contributes to the Aleph Clojure project, improving Netty integration and robustness, reflecting a focus on maintainability in asynchronous systems. At Romande Energie he co-founded an enterprise architecture division to align IT with strategic goals, showing he pairs technical depth with organizational impact.
15 years of coding experience
20 years of employment as a software developer
10gen certified MongoDB Java developer, MongoDB for Java Developers (M101J), 90%, 10gen certified MongoDB Java developer, MongoDB for Java Developers (M101J), 90% at 10gen educationFunctional Programming Principles in Scala, Accomplished with distinction, Functional Programming Principles in Scala, Accomplished with distinction at Ecole polytechnique fédérale de Lausannematurité gymnasiale, mathematics & physics, maturité gymnasiale, mathematics & physics at Gymnase de BeaulieuEngineer Diploma, Software Development, Engineer Diploma, Software Development at HEIG-VD - School of Business and Engineering, Vaudnone, Computer Science, none, Computer Science at EPFL
French, English, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
clojure10
webserver10
http10
netty10
clojure-cli10
websocket8
tcp7
udp7
Programming languages (14)
Github contributions (5)
clj-commons/aleph
Jun 2018 - Oct 2019
Asynchronous streaming communication for Clojure - web server, web client, and raw TCP/UDP
Role in this project:
Back-end Developer
Back-end DeveloperContributions:14 commits, 22 PRs, 42 comments in 1 year 4 months
Contributions summary:Reynald primarily contributed to the Aleph library's core functionality, focusing on HTTP client middleware, Netty integration, and general improvements. They addressed bugs and made enhancements to existing features, such as cookie handling, and refactored deprecated Netty methods. Furthermore, they improved the project by updating dependencies and introducing logging enhancements. These efforts suggest a focus on the robustness and maintainability of the library.
asynchronousclojuretcpudpwebserver
finity-ai/aws-java-sdk-awis
Jan 2018 - Mar 2021
Contributions:2 PRs, 5 pushes, 1 branch in 3 years 2 months
service-clientamazonalexaawsjava
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