Joni Collinge
Founding Software Engineer at Diagrid
Stevenage, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolJoni Collinge is a founding software engineer with 11 years’ experience building cloud-native developer platforms and distributed systems, currently leading engineering for Diagrid’s cloud services. He brings deep B2B expertise across cloud, distributed compute and open source, with prior senior roles at Microsoft where he combined hands-on engineering and technical evangelism. An active contributor to Dapr and its components, he’s improved HTTP middleware, tracing/metrics and implemented an Azure ServiceBus PubSub component—work that underscores his focus on resilient, observable runtime infrastructure. Comfortable presenting at conferences and managing customer relationships, he blends product-facing communication with low-level systems craftsmanship. Based in Stevenage, UK, he also has a background tutoring core languages and systems programming, reflecting a practical teaching mindset alongside delivery.
11 years of coding experience
6 years of employment as a software developer
BSc Software Engineering, BSc Software Engineering at Sheffield Hallam University
Spanish, English
Github Skills (21)
kubernetes10
middleware10
tracer10
http10
microservices-application10
message-queue10
go10
prometheus10
kubernetes-pods10
azure-service-bus10
error-handling10
microservices10
pubsub10
trace10
server10
Programming languages (17)
Github contributions (5)
dapr/components-contrib
Nov 2019 - Jan 2023
Community driven, reusable components for distributed apps
Role in this project:
Back-end Developer
Back-end DeveloperContributions:46 reviews, 88 commits, 32 PRs in 3 years 3 months
Contributions summary:Joni primarily contributed to the implementation of the Azure ServiceBus PubSub component. Their work involved the initial creation and refinement of the component's core functionality, including features like message handling, session management, lock renewal, and throttling mechanisms. Key improvements included handling message metadata, adding support for sessions, and incorporating retry logic to enhance the component's reliability and robustness.
sqlserverevent-hubscommunity-drivenmongodbcosmos-db
dapr/dapr
Jan 2020 - Nov 2022
Dapr is a portable, event-driven, runtime for building distributed applications across cloud and edge.
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:19 reviews, 44 commits, 32 PRs in 2 years 10 months
Contributions summary:Joni's commits primarily focus on enhancing the Dapr project's HTTP server and infrastructure. They implemented a middleware to add and correctly set HTTP headers, specifically related to proxying and forwarding requests. Additionally, the user worked on adding an initial Prometheus metrics endpoint and related testing, integrating with existing tracing, and making adjustments to the runtime configuration.
sidecarserverlessruntimeevent-drivenmicroservice
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