Aaron Oliver Email & Phone Number

United Kingdom

Promoted to technical architect after three months as a full stack developer. Provided hands-on technical leadership to three agile development teams within the Issuer Services department. Duties included full stack development, technical direction & ownership, architectural design, prototyping, feature refinement, requirement gathering and management of internal & external stakeholders.Spearheaded the development of a B2C Angular web app. Took full ownership from concept to release… Show more Promoted to technical architect after three months as a full stack developer. Provided hands-on technical leadership to three agile development teams within the Issuer Services department. Duties included full stack development, technical direction & ownership, architectural design, prototyping, feature refinement, requirement gathering and management of internal & external stakeholders.Spearheaded the development of a B2C Angular web app. Took full ownership from concept to release, including requirement gathering, architectural design, implementation, and delivery. Designed the product's OAuth 2.0 user auth flow, REST API stack and PostgreSQL integration using a 3-tier serverless AWS architecture.Optimised performance across the full stack, improving the API caching implementation and reducing package size with esbuild. This resulted in a 35% increase in the Google Lighthouse score for the platform’s web apps.Mentored junior developers on coding standards, often guiding them using pair programming. Shared AWS serverless best practices with the team, and how to use CloudWatch to monitor and troubleshoot issues. Took ownership of Confluence wiki, easing onboarding by adding step-by-step instructions.Reduced departmental cloud infrastructure costs by 27% on the previous year by carefully monitoring AWS metrics and re-configuring infrastructure with more cost effective solutions. Show less

Supported the development of the Issuer Services platform, building new Angular UI components, REST APIs and AWS infrastructure.Introduced content projection for improved code reusability and consolidated the applications’ usage of Redis by introducing a centralised caching service.

Kent, England, United Kingdom

Founded a tech start-up that aimed to help people who feel overwhelmed by the quantity of news articles they are served. The Neutrify app was a customisable B2C news aggregator that gave users greater control over their news consumption.Developed a B2C Angular web application and hybrid mobile apps for mass consumption. It used IonicUI components and Cordova to convert the app to mobile devices. Implemented reactive UI with RxJSobservables in a smart/dumb component… Show more Founded a tech start-up that aimed to help people who feel overwhelmed by the quantity of news articles they are served. The Neutrify app was a customisable B2C news aggregator that gave users greater control over their news consumption.Developed a B2C Angular web application and hybrid mobile apps for mass consumption. It used IonicUI components and Cordova to convert the app to mobile devices. Implemented reactive UI with RxJSobservables in a smart/dumb component architecture.Constructed a serverless GraphQL API using AWS AppSync and DynamoDB, written in TypeScript.Built serverless Python ETL jobs that scraped online news articles, analysed them using Natural LanguageProcessing, then transformed and loaded them into DynamoDB. Show less

Kings Hill, England, United Kingdom

Introduced to the fundamentals of Angular, Node.js REST APIs and serverless cloud development using IaC tools for AWS and Azure.Worked alongside senior developers to rewrite an Angular application using Redux to implement the Flux architecture.Entrusted with the design and development of an AI tool that used NLP to classify and sort customer emails. The design was approved at the group-level architectural review board and the POC was presented to the company's Managing Director… Show more Introduced to the fundamentals of Angular, Node.js REST APIs and serverless cloud development using IaC tools for AWS and Azure.Worked alongside senior developers to rewrite an Angular application using Redux to implement the Flux architecture.Entrusted with the design and development of an AI tool that used NLP to classify and sort customer emails. The design was approved at the group-level architectural review board and the POC was presented to the company's Managing Director and the group CTO. Show less