Dan Barclay

Dan Barclay

Mentor
Rising Codementor
US$8.00
For every 15 mins
ABOUT ME
Passionate about developing software that makes users smile.
Passionate about developing software that makes users smile.

Tech lead with 8+ years of experience, driven by a passion for crafting intuitive software that delivers magical user experiences. Proven expertise in building and scaling web applications using TypeScript, React, Node.js, and Rust for over 40 million users. Demonstrated success in hiring and leading top-performing, cross-functional teams, architecting scalable, maintainable systems. Adept at aligning technical vision with business objectives to drive innovation and growth for mission-critical projects.

London (+00:00)
Joined October 2024
EXPERTISE
6 years experience
8 years experience
5 years experience
3 years experience
8 years experience
8 years experience
3 years experience

REVIEWS FROM CLIENTS

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SOCIAL PRESENCE
GitHub
YouTube-Downloader
Download and convert any YouTube video to MP4 or MP3. Built using Node.js
JavaScript
57
47
IoT-Learning-Platform
Learning Platform for IoT devices built using React with advanced Redux for async CRUD, Node.js backend, Websockets and Firebase Real Time Database
JavaScript
5
4
Stack Overflow
7635 Reputation
2
22
22
EMPLOYMENTS
Technical Lead
Lloyds Banking Group
2022-07-01-Present

• Lead team of 12 engineers to deliver a flagship pensions visualisation web app that generated £400mil revenue using generative AI, B...

• Lead team of 12 engineers to deliver a flagship pensions visualisation web app that generated £400mil revenue using generative AI, BigQuery, Tableau, GCP, Rust and React

• Team leader and lead engineer on 8 time award winning Pension Mirror web app. Used by more than 1 million people to improve their outcome in retirement

• International and national public speaker on frontend development, speaking at Dubai Fintech Summit (UAE,

2024) and TECHSPO (South Africa, 2024)

• Lloyds Banking Group ‘Rising Star of the Year’ winner (2023)

• Recruited, line managed and mentored 8 employees, all were promoted within 6 months of mentorship

HTML/CSS
Node.js
TypeScript
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HTML/CSS
Node.js
TypeScript
React
Google Cloud Platform
JavaScript
Rust
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Senior Software Engineer
Lloyds Banking Group
2021-07-01-2023-07-01

Lead engineer on pot consolidation web app available to 20 million customers. Designed for scalability. Responsible for £1billion of n...

Lead engineer on pot consolidation web app available to 20 million customers. Designed for scalability. Responsible for £1billion of new AoM in 2023

• Modernised the bank’s frontend frameworks and architecture by moving to React 18 and GCP to implement a scalable cloud-based orchestration system that reduced running costs by 70% and ensuring 99.99% SLA

• Creator and maintainer of the bank’s first component library to improve UI generation and efficiency. Improving lighthouse scores for performance and accessibility by 87%

• Drove a 150x increase in release frequency by leading the re-architecture of CI/CD pipelines and approach to testing

Node.js
TypeScript
React
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Node.js
TypeScript
React
Google Cloud Platform
JavaScript
React Router
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Software Engineer
Moonpig
2021-01-01-2022-07-01

Manchester, United Kingdom

Swift

• Migrated legacy .NET codebase and SQL database to TypeScript Node.js through AWS to sto...

Manchester, United Kingdom

Swift

• Migrated legacy .NET codebase and SQL database to TypeScript Node.js through AWS to store over 20 million customer card designs

• Led cross team discussions to deliver a new rendering API for HTML & CSS/SCSS pdf generation up to 5x faster whilst being more accurate than previous api, serving over 200 million pdfs renders in production

• Designed advanced, asynchronous event driven server less patterns to handle customer lifecycle events affecting designs

• Redesigned an accessible-first React based photo upload experience that generated £10million revenue uplift compared

Node.js
TypeScript
React
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Node.js
TypeScript
React
AWS
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PROJECTS
Move 4 Mental HealthView Project
2022
B2B SaaS for improving employee mental health
B2B SaaS for improving employee mental health
TypeScript
React
Next.js
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TypeScript
React
Next.js
AWS
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