Full-Stack AI-Driven E‑Commerce Engineer | Flexible Hours

Blockchain Solutions Ltd.; Hong Kong; On-site; HKD 420,000 - 620,000; Full time

Benefits offered by this job

5-day Work Week

Flexible Working Hours

Medical Insurance

Public Holiday & Annual Leave

Mandatory Provident Fund Contribution

Job summary

Blockchain Solutions Ltd. in Hong Kong is seeking an experienced Full-Stack Developer to build end-to-end features for web portals and mobile apps using React, Node.js, and Python.

You will own frontend, backend, and DevOps tasks, collaborate with designers, PMs, and stakeholders, implement payment integrations, and advance AI workflows with RAG pipelines and MCP tooling. Proficiency in Cantonese, English, and Mandarin is required, with strong collaboration and an agile mindset in a fast-paced

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related discipline.
• Minimum 2–3+ years of professional hands-on full-stack software development experience.

Responsibilities

• Full-Stack and Mobile Development. Build and maintain end-to-end features across web platforms and mobile apps.
• Cross-Functional Collaboration. Collaborate with UI/UX designers, project managers, and stakeholders.
• Backend and API Architecture. Design, build, and maintain scalable RESTful APIs using Node.js (TypeScript) and Python.
• Payment and System Integrations. Implement payment gateway integrations and third-party services.
• AI and LLM Engineering. Integrate LLMs, build RAG pipelines, and MCP tooling.
• Database and DevOps. Design and optimize databases while maintaining CI/CD pipelines.

Skills

JavaScript/TypeScript

React.js

Next.js

Vue.js

Cross-functional collaboration

Agile mindset

Languages: Cantonese, English, Mandar"

Education

Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or related discipline

Tools

Node.js (TypeScript)

Nest.js

Express.js

Python

PostgreSQL

MongoDB

Prisma

TypeORM

Sequelize

Docker

AWS

GCP

Cloudflare

GitHub

GitLab

Figma

Jira

ClickUp

Job description

Blockchain Solutions Ltd. in Hong Kong is seeking an experienced Full-Stack Developer to build end-to-end features for web portals and mobile apps using React, Node.js, and Python.

You will own frontend, backend, and DevOps tasks, collaborate with designers, PMs, and stakeholders, implement payment integrations, and advance AI workflows with RAG pipelines and MCP tooling. Proficiency in Cantonese, English, and Mandarin is required, with strong collaboration and an agile mindset in a fast-paced