Frontend Platform Engineer - Equity & Monorepo Migrations

Mitti; Sydney; On-site; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Equity

Best Place to Work award

Job summary

Mitti is hiring a SWE II for the Web Platform & Standards team to consolidate frontend codebases into a single monorepo, enabling faster, safer delivery across web surfaces. You will bridge the Web Platform team and product teams migrating code with minimal disruption.

The role emphasizes proficiency in TypeScript/React, building tooling, and improving CI/CD. You will ride AI-assisted refactors and grow into independent platform ownership within the first year.

Qualifications

• Solid working proficiency in TypeScript and React.
• Comfortable reading and changing code they did not write.
• Familiar with how a frontend application gets built and shipped—package management, dependency graphs, CI. Appetite to learn more.
• Willing to script or automate repetitive work rather than do it by hand.
• Prior platform, build tooling or infrastructure experience is not required.

Responsibilities

• Migrate frontend codebases into the new monorepo, one team at a time.
• Partner with product teams to land migrations with minimal disruption and plan cutover.
• Build tooling, scripts and docs to make migrations repeatable and scalable.
• Improve day-to-day developer experience of the monorepo (CI times, pipeline reliability, local setup).
• Keep migration progress and blockers visible to engineering managers and product teams.
• Grow into independent ownership of a platform area within the first year.

Skills

TypeScript

React

Code reading

Build tooling

Automation scripting

Tools

Monorepo tooling

CI/CD

Job description

Mitti is hiring a SWE II for the Web Platform & Standards team to consolidate frontend codebases into a single monorepo, enabling faster, safer delivery across web surfaces. You will bridge the Web Platform team and product teams migrating code with minimal disruption.

The role emphasizes proficiency in TypeScript/React, building tooling, and improving CI/CD. You will ride AI-assisted refactors and grow into independent platform ownership within the first year.