Senior Web Developer - Commerce Platform

Haltech; Sydney; On-site; AUD 140,000 - 180,000; Full time

Job summary

Haltech is seeking a Senior Web Developer to lead the build, launch and ongoing development of a new commerce platform, migrating Haltech.com to a headless solution. You will drive the Catalyst storefront, maintain the B2B portal, and architect event-driven integrations with NetSuite, PIM, and AWS.

You will mentor junior and offshore developers, work with designers on UI/UX, performance and accessibility, and ensure code quality to Haltech engineering standards.

Qualifications

• 5+ years of commercial web development experience, including senior or lead responsibility.
• Strong production experience with TypeScript, React, Next.js, Node.js and Rust.
• Experience with GraphQL and REST API design, webhooks and third-party API integration.
• Experience building system integrations between ecommerce, ERP and PIM platforms.
• Knowledge of event-driven architecture on AWS (SQS, SNS, EventBridge, Lambda).
• Experience with Docker, CI/CD pipelines and automated testing (Jest, Playwright).
• Ability to write and optimise SQL (MySQL/PostgreSQL), and working knowledge of PHP/Laravel.
• Experience with Git (Bitbucket/GitHub), pull-request review and release management.
• Strong problem-solving, documentation and communication skills.

Responsibilities

• Develop and deliver the BigCommerce Catalyst (Next.js) storefront: D2C first, then B2B.
• Maintain and extend the in-house fork of the BigCommerce B2B Edition Buyer Portal, including merges from upstream releases.
• Design, build and support event flows on the AWS message bus between BigCommerce, NetSuite and UnoPIM.
• Extend and maintain the UnoPIM–BigCommerce catalogue connector.
• Implement webstore event processing in NetSuite, in line with the agreed system of record for inventory, price and product content.
• Develop year/make/model fitment search for ECUs, dash displays and engine components.
• Integrate and support Stripe, Avalara, Klaviyo, Cloudflare and Microsoft Entra External ID.
• Plan and run the migration from WooCommerce, including data migration, SEO and URL redirects.
• Write and review code to Haltech engineering standards: Docker, Jenkins CI/CD, Git, automated testing and SBOM.
• Run functional, load and end-to-end tests, and fix production defects.
• Work with designers on UI/UX, accessibility, mobile responsiveness and site performance.
• Mentor junior and offshore web developers, and document systems, integrations and technical decisions.

Skills

TypeScript

React

Next.js

Node.js

Rust

GraphQL

REST API

AWS

SQL

PHP/Laravel

Tools

Docker

Jenkins CI/CD

Git

Jest

Playwright

Bitbucket/GitHub

Job description

Work for a World Leader in Performance Vehicle Electronics

Fast Paced Manufacturing Environment

Western Sydney Location

Interested in performance cars or motorsports, then look no further Haltech is the company for you.

Haltech is a world-renowned leader in the design and manufacture of electronic engine management systems for modified performance vehicles, and motorsport applications. Our mission is to empower automotive enthusiasm using technology.

About the role

HALTECH ENGINE MANAGEMENT SYSTEMS is seeking a Senior Web Developer to lead the build, launch and ongoing development of our new commerce platform. We are moving haltech.com from WordPress/WooCommerce to a headless platform. It includes a Catalyst (Next.js) storefronts for B2B and D2C, and event-driven integrations with NetSuite ERP and our PIM (product information system) on AWS. The architecture is set and the build is under way. The successful candidate will take the platform to go-live, run the cutover from the current site, and lead web development after launch. The role reports to the IT Manager and provides technical leadership to web developers in Sydney and the Philippines.

Key responsibilities

Develop and deliver the BigCommerce Catalyst (Next.js) storefront: D2C first, then B2B.

Maintain and extend the in-house fork of the BigCommerce B2B Edition Buyer Portal, including merges from upstream releases.

Design, build and support event flows on the AWS message bus between BigCommerce, NetSuite and UnoPIM.

Extend and maintain the UnoPIM–BigCommerce catalogue connector.

Implement webstore event processing in NetSuite, in line with the agreed system of record for inventory, price and product content.

Develop year/make/model fitment search for ECUs, dash displays and engine components.

Integrate and support Stripe, Avalara, Klaviyo, Cloudflare and Microsoft Entra External ID.

Plan and run the migration from WooCommerce, including data migration, SEO and URL redirects.

Write and review code to Haltech engineering standards: Docker, Jenkins CI/CD, Git, automated testing and SBOM.

Run functional, load and end-to-end tests, and fix production defects.

Work with designers on UI/UX, accessibility, mobile responsiveness and site performance.

Mentor junior and offshore web developers, and document systems, integrations and technical decisions.

About you

At least 5 years' commercial web development experience, including senior or lead responsibility.

Strong production experience with TypeScript, React, Next.js, Node.js and Rust

Experience with GraphQL and REST API design, webhooks and third-party API integration.

Experience building system integrations between ecommerce, ERP and PIM platforms.

Knowledge of event-driven architecture on AWS (SQS, SNS, EventBridge, Lambda).

Experience with Docker, CI/CD pipelines and automated testing (Jest, Playwright).

Ability to write and optimise SQL (MySQL/PostgreSQL), and working knowledge of PHP/Laravel.

Experience with Git (Bitbucket/GitHub), pull-request review and release management.

Strong problem-solving, documentation and communication skills.

Nice to Have

BigCommerce experience, especially Catalyst or headless builds.

B2B commerce: quotes, company accounts, customer-specific price lists.

NetSuite (SuiteScript/SuiteQL) or Celigo integration experience.

An interest in cars, motorsport or performance tuning.

Haltech is an Equal Opportunity Employer.