Web Engineer / Assistant Web Engineer

Envisage Digital Technology Limited; Hong Kong; On-site; HKD 480,000 - 720,000; Full time

Job summary

Envisage Digital Technology Limited is seeking a motivated Web Engineer to develop and maintain data‑driven web applications for the construction sector. You will build scalable backend services with Node.js and create interactive UIs using React, delivering robust solutions grounded in practical data use.

The role emphasizes full‑stack development, collaboration with researchers and data scientists, and a strong focus on quality, testing, and documentation to ensure scalable, reliable platforms.

Qualifications

• Bachelor’s degree in CS or related field, or equivalent practical experience.
• Strong frontend skills with HTML, CSS, and JavaScript (ES6+).
• Proficiency in React.js and modern React patterns (Hooks, Context API).
• Experience with Node.js and Express.js for backend services.
• Solid knowledge of SQL Server and complex queries.
• Familiar with Git version control and collaborative workflows.
• Excellent problem‑solving and attention to detail.

Responsibilities

• Front‑End Development: design, develop, and maintain responsive React web apps.
• Back‑End Development: build server‑side logic and RESTful APIs using Node.js.
• Database & Data Management: integrate data sources and optimize SQL Server queries.
• Data Collection: help develop data pipelines feeding core applications.
• Collaboration: work with researchers and data scientists to translate requirements.
• Prototyping & Testing: prototype, test, and deploy applications with iterations.
• Documentation: document APIs, processes, and database schemas.

Skills

React.js

Node.js

SQL Server

HTML/CSS/JS

Git

Problem solving

Full-stack development

Responsive UI

Education

Bachelor’s degree in Computer Science, Web Development, or related field

Tools

Express.js

Job description

Position Overview

We are seeking a motivated Web Engineer / Assistant Web Engineer to join our dedicated research team. This role is pivotal in building and maintaining sophisticated web applications that make complex data accessible and actionable for the construction industry.

You will be instrumental in developing our data-driven platforms, focusing on building scalable backend services with Node.js and dynamic, interactive user interfaces with React. The ideal candidate is a skilled problem‑solving passionate about data, full‑stack development, and creating solutions that have a real‑world impact.

Key Responsibilities

• Front‑End Development: Design, develop, and maintain responsive, high‑performance web applications using React and its ecosystem.
• Back‑End Development: Build and manage server‑side logic, RESTful APIs, and microservices using Node.js (e.g., Express.js) to support front‑end applications.
• Database & Data Management: Integrate applications with various data sources. Design, optimize, and execute complex queries, stored procedures, and views, primarily using SQL Server.
• Data Collection: Assist in developing and implementing data collection pipelines and services that feed into our core applications.
• Collaboration: Work closely with researchers, data scientists, and other team members to translate project requirements into robust and efficient technical solutions.
• Prototyping & Testing: Prototype, test, and deploy applications, iterating based on user feedback and performance metrics to ensure high‑quality, reliable solutions.
• Documentation: Document engineering processes, API specifications, and database schemas for internal knowledge sharing.

Qualifications & Skills

• Bachelor’s degree in Computer Science, Web Development, or a related field (or equivalent practical experience).
• Proven experience in front‑end development using HTML, CSS, and JavaScript (ES6+).
• Strong proficiency in React.js and its core principles (e.g., Hooks, Context API, component‑based architecture).
• Solid experience in backend development using Node.js and frameworks like Express.js.
• Demonstrable knowledge of SQL Server or other relational databases, including writing complex queries and understanding database design.
• Familiarity with version control systems, particularly Git.
• Excellent problem‑solving skills and meticulous attention to detail.

Preferred (Nice‑to‑Have)

• Knowledge of data visualization libraries (e.g., D3.js, Chart.js) integrated with React.
• Familiarity with TypeScript.
• Experience with cloud platforms (e.g., Azure, AWS) and CI/CD pipelines.
• Strong communication skills, with the ability to articulate technical concepts to diverse stakeholders.
• A keen interest in research and building user‑centric web solutions.