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Clark Liu

Fontrip co.,ltd / Backend EngineerHsinchu, Taiwan

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Clark Liu

Fontrip co.,ltd / Backend Engineer

About me

Passionate backend engineer with 3 years of experience designing high-performance systems in the payment and travel domains. Proven ability to deliver secure and scalable REST APIs using Spring Boot and cloud-based technologies (AWS, Redis, RabbitMQ). Excel in translating complex business needs into robust technical solutions. Experienced in microservice architecture and agile development.

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Recent stories

Greeting !

5 months ago

Greeting !

5 months ago

Ambition

In the future

I want to challenge myself by working overseas, leveraging my professional skills to become globally competitive.

Fontrip co.,ltd1 year

Backend EngineerPresent

Jun 2024 - Present

● Developed Java-based web applications using Spring Boot and Grails, took ownership of the company’s payment platforms. Designed user-friendly web pages for clients using HTML, CSS, JavaScript and jQuery. Experienced in introducing new payment solutions from scratch and managing the full integration process.

Transaction Report Performance Optimization
Jul 2025
90%

ACpay Co., Ltd.2 years

Java Backend Engineer

Jan 2023 - Jun 2024

● Developed the company's core payment system using the Spring Boot. Improved the system performance with Redis and leveraged RabbitMQ to decouple complex payment workflows, significantly reducing the Microsoft SQL Server's load. Supported cloud-native infrastructure on AWS and monitored the system status in real time using Amazon CloudW

Union Bank Payment API Integration
May 2023 - Aug 2023

Career co.,ltd7 months

Software Engineer

Jul 2022 - Jan 2023

● Built a custom data parser for newly launched IC chips, reducing manual analysis time by over 60% and accelerating product validation cycles. ● Conducted data analytics using Python Pandas and created interactive dashboards with Plotly to identify test anomalies and performance trends. Use Git for version control.