Javier Mellado
Senior Software Engineer TypeScript AWS (Contractor) at Expian
City of Edinburgh, Scotland, United Kingdom
Summary
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SeniorJavier Mellado is a senior full-stack engineer with over two decades of experience delivering scalable web and mobile systems across media, finance, public sector and startup environments. He specialises in the JavaScript/TypeScript ecosystem, building serverless backends and high-throughput APIs on AWS (Lambda, DynamoDB, RDS, CDK) and shipping production React and React Native frontends. Recent engagements include modernising legacy systems, designing CDK-driven infrastructure, and improving observability and CI/CD for mission-critical services. Comfortable collaborating with non-technical stakeholders, he pairs pragmatic engineering and TDD practices with a focus on performance, maintainability and autonomy. Fluent in English and Spanish and based in Edinburgh, he brings a mix of enterprise-grade reliability and startup agility that often surfaces in cross-team architecture and migration projects.
11 years of coding experience
17 years of employment as a software developer
English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (105)
xmpp10
tree-widget9
lit9
chat9
omemo9
jqtree9
drag-and-drop9
jabber9
javascript8
testing8
messaging8
laravel-framework8
aws8
continuous-integration8
erlang8
Programming languages (8)
Github contributions (5)
teseo/fd-mobile
Feb 2019 - Jan 2023
Contributions:1 PR, 4 pushes in 3 years 11 months
teseo/the-gardian
Jun 2016 - Nov 2020
React Native IOS mobile app powered by The Guardian API
Contributions:36 commits, 36 pushes, 2 branches in 4 years 6 months
mobile-applicationreact-native-ios
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