Gerald O'sullivan
Director at Archton
Pretoria, Gauteng, South Africa
Summary
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SeniorGerald O'sullivan is a pragmatic enterprise architect and director based in Pretoria with 28+ years of IT leadership across South African government and private sectors, and 11 years in senior roles delivering cloud-native solutions. He combines hands-on solution architecture and database design (PostgreSQL, Quarkus, Kubernetes) with enterprise governance expertise (TOGAF, Gov-Wide EA) honed as a former CIO and head of Innovation and Research at SITA. Gerald has led high-stakes public-sector programs—from the TRC’s information systems to national financial and land data warehouses—bringing a rare blend of policy-facing delivery and technical depth. Today he runs Archton, building cloud-native database services and secure Kubernetes platforms while continuing agile DevOps practice across AWS and Azure. Beyond leadership, he is a published technical author and practitioner who still codes and prototypes, often integrating modern stacks like HTMX and Quarkus into production-grade architectures.
11 years of coding experience
17 years of employment as a software developer
English, Afrikaans
Github Skills (130)
pgsql10
reactive10
api10
rest10
angular10
kubernetes10
blueprint10
postgresql-database10
yeoman-generator10
java10
spring-boot10
docker10
generator10
webpack10
jhipster10
Programming languages (10)
Github contributions (5)
GeraldScott/ProjectRegisterMap
Mar 2015 - Apr 2020
An example of PrimeFaces gmap to plot locations on Google maps
Contributions:8 commits, 9 pushes in 5 years 1 month
plotprimefacesgmapmaplocations
GeraldScott/trcdb-api
Dec 2018 - Mar 2019
RESTful API based on Dropwizard
Contributions:16 PRs, 47 pushes, 22 branches in 2 months
apidropwizardrestfulrestrest-api
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