Backend Developer

Welcome to BlockAI, a Hong Kong‑based web3 company developing software applications serving users worldwide, fostering the adoption of blockchain and AI technology since 2018. Comprising a team of software engineers, blockchain researchers, and marketing experts, we aim to deliver our first product—an automatic, seamless user experience in real‑time financial and on‑chain data analysis, supporting traders and investors to aggregate crypto market sentiment and formulate their own strategies. Headquartered in Hong Kong. Office located 5 minutes walk from Quarry Bay MTR station. As a member of our small and growing team, you will have the opportunity to work on building up trading tools for the web3 environment, collaborate with experts in the field, and be a part of a dynamic and rapidly growing industry. We believe blockchain will continue to act as an critical global infrastructure, while leveraging those open data on‑chain can make an impact for the industry and world at large. As a Backend Developer, you will have a good career prospect to become project leader and senior management. What you'll do: Collaborate with frontend developer, blockchain engineer and other backend developers for web3 backend development. Collaborate with blockchain engineer to extract data on‑chain / off‑chain. Design, lead, develop API, microservices, scripts, and GraphQL endpoints. Create and manage servers and databases, including PostgreSQL, for functionality. ETL of useful information from data. Implement and maintain message queue systems (e.g., RabbitMQ, Apache Kafka) to ensure efficient data processing and communication. What you'll bring: A passion for creating backend applications and using the latest tools and APIs. Excellent problem‑solving skills. A high standard for clean code. Experience writing unit tests. Good communication & interpersonal skills. Ability to take a project from scoping requirements through launch. What you'll need: 2+ years experience in system design and backend development. Degree in computer science or related disciplines. Experience with PostgreSQL for database management. Experience designing and implementing GraphQL APIs. Hands‑on experience with message queue systems such as RabbitMQ and Apache Kafka. Experience with using git and Github. Strong understanding of software architecture and design best practices. Demonstrated skills in writing high‑quality, readable, well‑architected and efficient code. Experience with Agile development methodology, and tools (Jira). Interest in learning how backend application can interact with web3 / blockchain. Guidance will be fully supplied. Lessexperience would be considered as junior position. Would be nice to have: Proficiency in Golang. Familiarity with DevOps practices, such as CI/CD pipelines, infrastructure as code, or cloud platforms. Experience with Docker and Kubernetes. A history of doing cool and difficult stuff. Interest in financial engineering. Good command of spoken and writtenin Cantonese / English. Unlock job insights AI Job match analysis Salary match Number of applicants How many years' experience do you have in a DevOps role? Which of the following statements best describes your right to work in Hong Kong? What's your expected monthly basic salary? Which of the following Relational Database Management Systems (RDBMS) are you experienced with? How many years' experience do you have as a backend developer? How many years' experience do you have as a Blockchain Developer? How many years' experience do you have as a Golang Engineer? How many years' experience do you have as a Data Analytics Analyst? #J-18808-Ljbffr