98 Backend Staff jobs in Hong Kong

Seeking a highly skilled Backend Engineer with strong expertise in C++ to join our growing technology team. In this role, you will be instrumental in designing and optimizing high-performance, secure financial systems, and contributing to the evolution of our core platforms. If you thrive in a dynamic, innovative environment and have a passion for building scalable systems, we'd love to hear from you.

Job Responsibilities

• Participate in the architecture design and optimization of the financial service system to achieve high-quality, high-performance and high-security financial service solutions;
• Responsible for the continuous upgrading and optimization of the existing system to improve system performance and stability;
• Realize the open source application of ecological capability of financial service products, and write product technical manuals and protocol documents;

Job Requirements

• Bachelor's degree in Computer Science, Engineering or related field;
• At least 5 years of experience in developing large-scale enterprise applications using C++;
• Proficiency in C++ programming and development language, in-depth understanding of the C++ platform and ecosystem, and familiarity with understanding common application microservice architectures and related principles;
• Proficient in database technologies, including SQL and NoSQL solutions;
• Experience working in a highly concurrent, high availability and distributed systems environment;
• Proficient in software development life cycle and experience with Agile development;
• Strong problem solving skills and excellent communication skills;

Welcome QMAS / TTPS  / ASMTP Visa are welcome.

We are an equal opportunity employer and welcome applications from all qualified candidates. The information provided will be treated in strict confidence and be used only for consideration of your application for relevant/similar posts within the Magic Compass.

Applicants not hearing from us within 6 weeks from the date of advertisement may consider their applications unsuccessful. All personal data of unsuccessful applicants will be destroyed within 12 months from the date of application.

Job Description: Backend Developer (One-Click Platform Redesign)

Location: Hong Kong (or remote with strong collaboration overlap)

Position: Full-time

About Flowcite

Flowcite is an all-in-one research and publishing platform, enabling academics, students, and professionals to streamline their entire research workflow — from literature discovery and citation management to AI-powered writing, collaboration, and publishing.

We are now entering a new phase: transforming Flowcite into a truly "One-Click Platform" — radically simplifying the academic research experience with intuitive, seamless workflows. To achieve this, we are looking for a visionary Backend Developer who can rebuild the entire platform experience from the ground up.

Role Overview

As the Backend Developer, you will be an integral part of the development cycle of Flowcite's user experience. You will combine design thinking, modern interface design, and backend development skills to create a highly intuitive, elegant, and user-centric platform.

This role is ideal for someone with both a strong academic background (to deeply understand researcher needs) and proven expertise in turning complex SaaS products into simple, delightful digital experiences.

Key Responsibilities

• Conduct deep user research with academics, students, and institutional partners to map workflows and pain points.
• Design, develop, and maintain backend applications using Python or Typescript.
• Implement and optimize APIs for seamless integration with front-end components and third-party services.
• Write comprehensive unit and integration tests to ensure code quality and reliability.
• Collaborate with cross-functional teams to gather and refine requirements and specifications.
• Continuously monitor application performance and identify opportunities for improvements.
• Document and maintain technical specifications and guidelines.
• Explore and integrate Large Language Models (LLMs) to enhance our tools and user experiences.
• Participate in code reviews and provide constructive feedback to team members.
• Stay current with emerging technologies and industry trends to ensure best practices.

Qualifications & Experience

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 3+ years of experience in backend development with a strong focus on Python or TypeScript.
• Solid understanding of testing frameworks and methodologies (e.g., unittest, pytest).
• Experience with relational and non-relational databases (e.g., PostgreSQL, MongoDB).
• Familiarity with RESTful API design and modular architecture.
• Knowledge of containerization technologies (e.g., Docker, Kubernetes) is a plus.
• Experience with LLMs or related NLP technologies is highly desirable.
• Strong problem-solving skills and the ability to work independently with minimal supervision.
• Excellent communication skills and the ability to collaborate with diverse teams.

What We Offer

• Competitive salary and the chance to own the UX/UI vision of a global SaaS platform.
• Opportunity to transform how academic research is done — simplifying millions of researchers' daily workflows.
• Collaborative work with an international team of developers, product leaders, and academic experts.
• A creative and ambitious environment where your designs directly shape Flowcite's success.

How to Apply

Please send your CV, portfolio (with relevant UX/UI projects), and a short cover letter explaining how you would approach redesigning Flowcite into a "One-Click Platform."

Job Type: Full-time

Pay: $12, $22,416.70 per month

Work Location: Remote

Responsibilities :

• Development of back end services and APIs to server our Mobile and Web front ends
• DevOps automation
• Performance testing, capacity planning and scalability engineering
• Management of relational databases such as MySQL and Postgres
• Writing test automation
• Scripting
• Management of AWS or similar cloud based backend infrastructures
• Defining best practices and guidelines for our backend engineering.

Requirements :

• At least 3 years of back end related development experience
• Experienced with JSON, Graphql,
• Strong respect for Databases both SQL and non-SQL
• Experience with MySQL or Postgress and MongoDB
• Experience using Digital Ocean, AWS, or Google Cloud.

Key Responsibilities:

• Develop and maintain real-time, low-latency backend systems and services using Java.
• Analyze business and user requirements and translate them into technical specifications.
• Collaborate with frontend developers and other teams to integrate APIs and services.
• Optimize backend applications for maximum performance, scalability, and reliability.
• Assist in system, database, and architectural design to meet project needs.
• Implement and maintain unit and integration tests to ensure code quality.
• Conduct code reviews to ensure adherence to best practices and maintain code quality.
• Stay updated on industry trends and technologies for backend development.

Job Requirements:

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 5+ years of professional experience in backend development and system analysis.
• Must have hands-on experience and proficiency in Golang.
• Proficiency in MySQL and Redis.
• Experience with Kafka; knowledge of other NoSQL databases like MongoDB is preferred.
• Strong understanding of RESTful APIs and full SDLC execution.
• Experience in conducting code reviews to ensure quality and standards.
• Excellent problem-solving skills and attention to detail.
• Good at spoken and written Chinese (Cantonese and Mandarin).

Preferred Qualifications:

• Experience with cloud platforms (e.g., AWS, Azure, AliCloud, Tencent Cloud).
• Familiarity with event-driven microservice architecture or system modeling tools (e.g., UML, ERD).
• Exposure to real-time system optimization or low-latency applications.

Benefits:

• 12 annual leave days + 1 birthday leave day.
• Group medical insurance.
• 5-day work week.
• 1 day of remote work per week.
• Paid sick leave.

About The Company
Impact Foundation is a non-profit organization dedicated to creating positive social change through innovative technology solutions. We focus on empowering communities by providing access to essential resources and services. Our team is passionate about leveraging technology to address pressing global challenges and improve the quality of life for underserved populations. Join us in making a meaningful impact on the world.

Job Responsibilities

• Design, develop, and maintain scalable backend systems and APIs to support our web and mobile applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Optimize applications for maximum speed and scalability.
• Implement security and data protection measures.
• Troubleshoot and debug applications to ensure optimal performance.
• Participate in code reviews to maintain high-quality code standards.
• Stay up-to-date with emerging technologies and industry trends to continuously improve our backend infrastructure.

Job Requirements

• Bachelor's degree in Computer Science, Engineering, or a related field.
• Proven experience as a Backend Engineer or similar role.
• Strong proficiency in server-side languages such as Python, Java, or
• Experience with database management systems like MySQL, PostgreSQL, or MongoDB.
• Familiarity with RESTful APIs and web services.
• Understanding of code versioning tools, such as Git.
• Excellent problem-solving skills and attention to detail.
• Strong communication and teamwork abilities.

Job Benefits

• Competitive salary and performance-based bonuses.
• Comprehensive health, dental, and vision insurance.
• Generous paid time off and holidays.
• Opportunities for professional development and career growth.
• Flexible work schedule and remote work options.
• Supportive and inclusive work environment.
• Chance to make a meaningful impact on global communities.

Hong Kong - Remote

As a Backend Engineer at 9GAG you will help to deliver the best-in-class products that transform how millions of people discover and collect inspiration everyday. You will need to support the development of our products. You will work side-by-side with product managers, designers, in-house developers and appreciate the details that make a user experience memorable, and demonstrate enthusiasm for new technologies.

Responsibilities

• Work closely with product managers, designers, in-house developers to build highly scalable and available digital products.
• Design robust high-level systems architecture and code structure to allow fast iterations and rapid growth.
• Provide technical advice on project specifications, documentation, scope, schedule, cost, quality, and measure of success.
• Hands-on development of new product features according to business requirements.
• Improve backend performance, carry out experiments and tests to help the team make data-informed decisions.
• Enthusiastic with new technologies and look for constant improvement of both technical performance and user experience.

Requirements

• Live our values - H2O: Hustle to go all-in to achieve the goal, work hard and work smart; Humble to embrace the better ideas of others; Open to welcome differences and possibilities.
• Excellent written and oral communication skills.
• Bachelor's degree in Computer Science or a related field, or equivalent work experience.
• Minimum 1 year of relevant experience is preferred.
• Expertise in NodeJS and Typescript.
• Knowledge of RDBMS, NoSQL, Message Queue, Caching and Edge Computing (Vercel / Cloudflare Workers).
• Knowledge of MVC/MVVM and API design.
• Able to work independently.
• Proficient to use AI tools to improve quality of works.

Bonus

• Experience in Web3.
• Experience in financial or trading industry

You can teach us something new We love to hire people who are way more knowledgeable than us in some areas and can be good teachers and mentors.

Benefits & Perks

We take care of our teammates to take great care of themselves and their families so we all can perform our best at work

• 100% remote work
• 25-day paid time off, 20-week maternity, 8-week paternity, plus family/pet care, marriage, birthday Leave, and more.
• US$1.5M Health insurance per teammate
• Life insurance
• Home Office Setup Allowance

Overview:

We are seeking a highly skilled Backend Engineer to design, build, and maintain the server-side components of our applications. The ideal candidate will have strong expertise in backend technologies, databases, APIs, and system architecture, with a focus on building scalable and high-performance solutions.

Key Responsibilities:

• Design, develop, and maintain backend services, APIs, and databases.
• Collaborate with front-end developers, product managers, and other stakeholders to deliver end-to-end solutions.
• Optimize application performance, scalability, and reliability.
• Implement security and data protection best practices.
• Write clean, maintainable, and testable code following best practices.
• Debug and resolve technical issues across development, testing, and production environments.
• Participate in code reviews and contribute to team knowledge sharing.
• Support deployment and monitoring of backend services.

Qualifications:

• Bachelors degree in Computer Science, Engineering, or related field (or equivalent experience).
• Proven experience as a Backend Engineer, Software Engineer, or similar role.
• Strong proficiency in one or more backend languages (e.g., Python, Java, Go, , C#).
• Experience with RESTful APIs, GraphQL, or gRPC.
• Knowledge of relational and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB, Redis).
• Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes).
• Solid understanding of software architecture, system design, and microservices.
• Experience with version control (Git) and CI/CD pipelines.

Nice-to-Have Skills:

• Exposure to event-driven systems and message queues (Kafka, RabbitMQ).
• Knowledge of monitoring and logging tools (Prometheus, Grafana, ELK).
• Understanding of DevOps practices and infrastructure-as-code (Terraform, Ansible).

Protection
Scalability
Salary
Reviews
Components
Reliability
Architecture
Developers
Databases
Security
Testing
Design

Responsibilities:

• Design, build, and maintain efficient backend systems.
• Manage and maintain version control.
• Create and maintain servers/databases.
• Collaborate with the development team to meet business requirements.

Requirements:

• Higher diploma or degree in Computer Science, IT, Engineering, or equivalent.
• Minimum of 1 years' relevant experience.

• Good hands-on experience in:

• Languages: PHP 8 (Laravel 12), HTML, CSS, jQuery, JavaScript

• Database: MySQL
• Knowledge of REST API, JSON, and SQL.
• Good communication skills in English.
• Knowledge of Docker and Ant Design is a plus.

Position offered would be depending on the qualifications and experience of the candidate.

About Us OneDragonPay is on a mission to build the engine of modern commerce. We engineer secure, scalable, and reliable infrastructure to make online payments seamless for businesses and consumers globally. We're looking for a skilled backend developer to help us build and scale our core systems.

As a Backend Developer at OneDragonPay, you will be a cornerstone of our engineering team, responsible for architecting and building the mission-critical services that power our entire platform. You will engineer the high-throughput, fault-tolerant systems that process every transaction, manage custodial wallets, and ensure the absolute integrity of our financial data. This is a high-impact role where your work will directly contribute to the security, reliability, and performance of a platform handling significant transaction volume.

• Develop Core Payment Services: Design, build, and maintain the core backend services for our payment processing engine using , TypeScript, and the NestJS framework. This includes transaction lifecycles, ledger systems, and payout mechanisms.
• Architect Secure Integrations: Implement robust and secure integrations with third-party payment gateways (e.g., Stripe, Adyen), banking APIs, custodial services, and KYC/AML verification providers.
• Enforce Rigorous Security & Compliance: Implement and uphold stringent security protocols (e.g., OWASP Top 10) and data protection measures. You will ensure all systems are designed to be compliant with standards like PCI-DSS and GDPR.
• Optimize for Performance & Scale: Engineer and optimize applications for maximum speed, low latency, and scalability to handle high-volume, concurrent transaction loads.
• Ensure Data Integrity: Design and implement idempotent APIs to guarantee safe and reliable transaction processing, preventing duplicate charges and data inconsistencies.
• Collaborate and Deploy: Work within a cross-functional agile team to deliver high-quality, tested code. You'll leverage our CI/CD pipelines to deploy services efficiently and reliably.
• Documentation: Create clear and thorough documentation for APIs, system architecture, and operational procedures.

• 3-5 years of professional experience in backend development using and TypeScript.
• Proven experience with NestJS or similar structured frameworks (e.g., with a strong architectural pattern).
• Deep understanding of relational databases (PostgreSQL preferred), including complex queries, transactional integrity (ACID), and performance optimization.
• Experience designing and building secure, scalable RESTful APIs.
• Hands-on experience with containerization (Docker) and modern CI/CD practices.
• Exceptional problem-solving, debugging, and analytical skills.

• Direct experience building backend systems for payment gateways, digital wallets, trading platforms, or other high-transaction fintech products.
• Experience with microservices or event-driven architectures (using tools like RabbitMQ or Kafka).
• Proficiency with cloud services (AWS, GCP, or Azure), particularly managed databases, serverless functions, and container orchestration (Kubernetes).
• Familiarity with infrastructure-as-code tools like Terraform.
• Knowledge of cryptocurrency principles and blockchain integration.