Backend Developer

EDPS Systems Limited is currently seeking a Backend Developer to join our team.

Responsibilities:

• Design, develop, and maintain robust backend services and APIs (RESTful / GraphQL) with strong logical workflows.

• Lead and optimise ETL (Extract, Transform, Load) processes for ingesting and transforming data from diverse internal/external sources.

• Work extensively with JSON data formats for API communication and configuration.

• Build and maintain data collection pipelines to ensure reliable, secure, and scalable system data flows.

• Collaborate with data engineers and software teams to support AI/ML model integration into backend services.

• Manage both relational (PostgreSQL/MySQL) and NoSQL (MongoDB) databases with performance and security in mind.

• Apply QA testing principles: write unit/integration tests for APIs and ETL workflows, support automated test pipelines, and follow the team’s QA workflow to ensure reliability.

• Participate in Agile sprints, contributing to CI/CD pipelines and peer reviews.

• Monitor, troubleshoot, and optimise backend systems for performance and fault tolerance.

• Participate in deployment workflows, understanding progression from development → staging → production.

• Collaborate with frontend and data engineers to ensure smooth system integration.

Requirements:

• Bachelor’s degree in Computer Science, Software Engineering, IT, or equivalent practical experience.

• 2+ year backend development experience (junior–mid level).

• Proficiency in at least one backend language (Node.js, Python, or Java).

• Solid experience working with JSON for API communication.

• Basic knowledge of API design (REST/GraphQL) and microservices concepts.

• Familiarity with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB).

• Understanding of deployment workflows (staging, production, CI/CD basics).

• Experience with Git for version control and team collaboration.

Preferred (Bonus) Skills:

• Exposure to ETL tools (Airflow, Luigi) or custom ETL pipelines.

• Familiarity with AI/ML system integration.

• Knowledge of real-time streaming platforms (Kafka, RabbitMQ).

• Hands-on with cloud platforms (AWS, GCP, Azure) and containerisation basics (Docker).

Salary:
Salary will be commensurate with qualifications and experience.

Application:
Please submit your resume along with your current and expected salary. Personal data collected will be treated confidentially for recruitment purposes. Candidates not invited for an interview within six weeks may consider their applications unsuccessful.

Equal Opportunity Employer:
We are an equal opportunity employer and welcome applications from all qualified candidates. Personal data collected will be handled confidentially by authorized personnel for recruitment-related purposes.

Address:
Room 1202, 12/F, Harcourt House, 39 Gloucester Road, Wanchai, Hong Kong.
Website: www.edps.com.hk