/03—Selected Work

Shokunin Base (職人BASE)

B2B/B2C Platform — Workforce, Projects & Scheduling

Backend Engineer

Node.jsTypeScriptPostgreSQLPrismaREST APIsJWTExpress.js

Project Overview

Production B2B/B2C platform connecting skilled professionals and companies based on skills, experience, and project requirements. The platform supports end-to-end workflows including user and company profiles, skill-based discovery and matching, project posting, scheduling, contracts, reviews, and internal communication.

Backend & Engineering Highlights

  • —Developed backend services handling user and company profiles, skills management, and discovery workflows.
  • —Designed relational database schemas and REST API contracts for a multi-sided marketplace.
  • —Implemented skill-based matching and recommendation logic for connecting professionals with relevant opportunities.
  • —Built project lifecycle management: posting, application, scheduling, contracts, and review workflows.
  • —Implemented authentication, session management, and role-based authorization.
  • —Integrated communication services supporting real-time messaging and notifications between users and companies.
  • —Worked across backend architecture, API design, database modelling, and business logic implementation.