Jonathan Harden
Senior Site Reliability Engineer at Government Digital Service
Tamworth, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolJonathan Harden is a Senior Site Reliability Engineer with 11 years’ experience building and operating resilient, cloud-native systems and leading teams to do the same. He combines deep hands-on skills across AWS, containers, databases (Postgres, Cassandra, Aurora) and observability with a track record of zero-downtime migrations and cost-saving platform consolidations. As a mentor and technical lead he turns traditional dev and ops roles into effective SRE teams, documenting runbooks and wargaming risky changes to reduce incidents and alert fatigue. He has co-founded a serverless medical API startup, worked in large enterprise roles (Vodafone, GDS) and earlier cut his teeth optimising infrastructure for VFX at MPC on films such as Life of Pi. Known for pragmatic, incremental delivery, he also passed Mensa’s entrance exam—an underscored detail that reflects his analytical approach to complex systems.
11 years of coding experience
16 years of employment as a software developer
Bachelor of Computer Science (Hons), Computer Science, Bachelor of Computer Science (Hons), Computer Science at University of Salford
Stackoverflow
1reputation
0reached
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Github Skills (200)
slack-bot10
testing10
faction10
payment-gateway10
terraform10
infrastructure10
declarative10
bitrise10
terraform-module10
google-pay10
paypal10
client-library10
cloud-foundry10
terraform-cloud10
thin10
Programming languages (24)
Github contributions (5)
alphagov/paas-grafana-annotation-resource
Feb 2024 - Feb 2025
A concourse resource for creating and updating Grafana annotations, now maintained by GOV.UK Pay
Contributions:40 reviews, 47 PRs, 48 pushes in 1 year
annotationsgrafana-annotationsconcourseconcourse-resourcegrafana
alphagov/pay-adot
Jul 2023 - Jan 2025
GOV.UK Implementation of Amazon Distribution for Open Telemetry as a Fargate sidecar
Contributions:20 reviews, 26 PRs, 39 pushes in 1 year 5 months
govuk-pay
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