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Hi, I’m Emmett Harper, a Senior/Lead Software Engineer with 9+ years of experience delivering complex web and mobile products. I specialize in React and TypeScript, and I love shaping architecture and leading technical delivery across the stack. After a planned career break, I’m based in Melbourne and available for immediate start. I enjoy solving hard problems, mentoring engineers, and delivering high-impact features in fast-paced, high-traffic environments.…Hi, I’m Emmett Harper, a Senior/Lead Software Engineer with 9+ years of experience delivering complex web and mobile products. I specialize in React and TypeScript, and I love shaping architecture and leading technical delivery across the stack. After a planned career break, I’m based in Melbourne and available for immediate start. I enjoy solving hard problems, mentoring engineers, and delivering high-impact features in fast-paced, high-traffic environments.

Emmett Harper

Full Stack Developer, Web Developer, Front-End Developer, +2

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Hi, I’m Emmett Harper, a Senior/Lead Software Engineer with 9+ years of experience delivering complex web and mobile products. I specialize in React and TypeScript, and I love shaping architecture and leading technical delivery across the stack. After a planned career break, I’m based in Melbourne and available for immediate start. I enjoy solving hard problems, mentoring engineers, and delivering high-impact features in fast-paced, high-traffic environments.…Hi, I’m Emmett Harper, a Senior/Lead Software Engineer with 9+ years of experience delivering complex web and mobile products. I specialize in React and TypeScript, and I love shaping architecture and leading technical delivery across the stack. After a planned career break, I’m based in Melbourne and available for immediate start. I enjoy solving hard problems, mentoring engineers, and delivering high-impact features in fast-paced, high-traffic environments.

Available to hire

Hi, I’m Emmett Harper, a Senior/Lead Software Engineer with 9+ years of experience delivering complex web and mobile products. I specialize in React and TypeScript, and I love shaping architecture and leading technical delivery across the stack.

After a planned career break, I’m based in Melbourne and available for immediate start. I enjoy solving hard problems, mentoring engineers, and delivering high-impact features in fast-paced, high-traffic environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Senior Software Engineer at Cleo AI

February 1, 2025 - October 1, 2025

Led the development of the React Native chat experience powering Cleo's AI financial assistant, serving over 1M monthly active users. Built internal tooling for AI model training used by hundreds of annotators to label and review chat interactions. Worked across the stack to integrate conversation logic, AI model orchestration, and supporting services, collaborating with backend and data teams. Made architectural decisions and maintained reliable, event-driven systems in a high-traffic consumer product.

Engineering Lead at On The Beach

September 1, 2023 - February 1, 2025

Led a diverse engineering team, directing the end-to-end technical launch of the Ireland brand, contributing to £1.1m in early revenue and targeting 300k annual passengers at scale. Owned the architecture for all primary landing pages, SEO, CDN and CMS—supporting content delivery across 20,000+ hotel listings. Planned and implemented parts of the development stage ranging from Kubernetes pods to GraphQL implementations. Responsible for recruiting, conducting interviews and hiring 10+ engineers across the various teams within our domain.

Senior / Lead Software Engineer at Cinch

November 1, 2021 - September 1, 2023

Took charge of a sub team of engineers, overseeing the architecture and implementation of multiple greenfield tools. Led development across multiple components, from UI to implementing serverless AWS architecture. Mentored multiple graduate engineers helping them up-skill and progress on their career paths.

UI Engineer at Thales UK

June 1, 2020 - November 1, 2021

Acting as a staff engineer across multiple teams designing (UX) and implementing UI work for the flagship project.

Software Engineer (Full Stack) at Thales UK

September 1, 2017 - June 1, 2020

Completed a 2 year graduate scheme, rotating through multiple projects allowing hands-on experience with different code bases.