Jon Hallam
Solutions Architect at Decisions
Sheffield, England, United Kingdom
Summary
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Rockstar🎓
Top SchoolJon Hallam is a Solutions Architect with nine years of senior development and architecture experience, currently focused on delivering Decisions-based no-code/low-code solutions for regulated industries such as tax, loans and insurance. He combines deep hands-on engineering—C#, CI/CD, Azure/AWS and automated deployments—with a long history of workflow and systems automation across enterprises like Volkswagen Financial Services and the NHS. Jon has delivered large-scale e-commerce and platform projects handling hundreds of partners and high transaction volumes, and contributed backend improvements to prominent public-sector open-source work (alphagov/whitehall). Comfortable leading professional services engagements and training customers, he blends presales consultancy with technical delivery to turn complex requirements into maintainable, auditable systems. A practical problem-solver, he often surfaces automation opportunities that unlock data previously trapped in legacy processes.
9 years of coding experience
9 years of employment as a software developer
2.1 BSC (Hons) Computer and Network Engineering, 2.1 BSC (Hons) Computer and Network Engineering at Sheffield Hallam University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (17)
ruby-rails10
web-application10
testing10
rspec10
rails10
ruby10
webapp10
minitest10
web-development10
unit-test10
erb9
datagovuk9
html9
frontend8
web-frontend8
Programming languages (13)
Github contributions (5)
alphagov/whitehall
Oct 2019 - Oct 2022
Publishes government content on GOV.UK
Role in this project:
Back-end Developer
Back-end DeveloperContributions:148 reviews, 42 commits, 72 PRs in 2 years 11 months
Contributions summary:Jon focused on improving the Whitehall application's back-end functionality. Their work included refactoring the document export process to exclude locked documents and optimizing the code to remove redundant fields related to attachments, like ISBN and order URLs. Furthermore, the user addressed issues related to official documents, adding a link for purchasing paper copies. The contributions involved code changes across multiple files, including controllers, models, and views.
govgovuk-publishing-frontendgovukgovernmentcontainer
Catgov/support
Dec 2016 - Aug 2019
Forms to raise Zendesk tickets to be used by various Government department personnel
Contributions:2 PRs, 1 push, 2 branches in 2 years 8 months
zendesk-ticketsphpzendeskraisedepartment
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