Software Architect (Contractor) – Composable Commerce & Event-Driven Design

CobbleWeb Limited; Remote; GBP 125,000 - 150,000; Part time

Job summary

A leading technology company is seeking a remote Software Architect contractor to enhance its composable commerce platform. This part-time role focuses on modular architecture and event-driven design. Ideal candidates will drive foundational changes for scalability and customization, utilizing their expertise in Node.js, TypeScript, and React. Join a team with over a decade of experience in the marketplace space.

Qualifications

• Strong expertise in composable modular architecture and event-driven design.
• Experience with Node.js and TypeScript.
• Ability to audit and strengthen module isolation.

Responsibilities

• Audit and strengthen module isolation.
• Push toward a stronger event-driven architecture.
• Lay the foundation for customization.

Skills

Composable modular architecture

Event-driven design

Node.js

TypeScript

Next.js

React

PostgreSQL

Job description

Overview

Software Architect (Contractor) – Composable Commerce & Event-Driven Design. 100% remote, part-time.

We’re looking for a Software Architect contractor with strong expertise in composable modular architecture and event-driven design to support the next evolution of Sharewise: our marketplace framework that helps entrepreneurs and small businesses launch world-class platforms faster. This isn’t a “keep the lights on” role. You’ll be shaping the backbone of a framework designed to democratise marketplace creation and empower communities. Sharewise is built on 12+ years of CobbleWeb’s experience delivering high-performance marketplaces, and we’re evolving it into a platform that is modular, event-driven, and future-ready.

We Need Someone Who Can

• Audit and strengthen module isolation (reduce hidden coupling).
• Push toward a stronger event-driven architecture (pub/sub over direct calls).
• Lay the foundation for customization: moving from fragile inheritance overrides toward clear extension hooks, composition patterns, and well-documented integration points to enable external developers to adapt and extend features without compromising core stability.
• Make the platform easier to scale, extend, and maintain, both for our team and for external developers.

Stack

• Backend & Core: Node.js (TypeScript) – Fastify for REST, Apollo for GraphQL, TypeORM, Redis, PostgreSQL
• Side dependencies: chalk, chokidar, commander, winston, class-transformer, class-validator
• Frontend: Next.js v15 & React v19

Seniority level

• Mid-Senior level

Employment type

• Contractor (remote, part-time)

Job function

• Engineering and Information Technology

Industries

• Technology, Information and Internet