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I'm Jingqi Deng, a Senior Backend Engineer with 5+ years of experience designing distributed systems at scale. I specialize in Java, microservices, and stream processing in cloud-native environments, building scalable architectures for complex workflows and asynchronous task orchestration. I enjoy tackling hard scalability and reliability challenges and thrive in fast-moving teams that ship robust platforms. I’m open to opportunities in Australia and beyond.…I'm Jingqi Deng, a Senior Backend Engineer with 5+ years of experience designing distributed systems at scale. I specialize in Java, microservices, and stream processing in cloud-native environments, building scalable architectures for complex workflows and asynchronous task orchestration. I enjoy tackling hard scalability and reliability challenges and thrive in fast-moving teams that ship robust platforms. I’m open to opportunities in Australia and beyond.

Jingqi Deng

Back-End Developer, Full Stack Developer, Web Developer, +2

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I'm Jingqi Deng, a Senior Backend Engineer with 5+ years of experience designing distributed systems at scale. I specialize in Java, microservices, and stream processing in cloud-native environments, building scalable architectures for complex workflows and asynchronous task orchestration. I enjoy tackling hard scalability and reliability challenges and thrive in fast-moving teams that ship robust platforms. I’m open to opportunities in Australia and beyond.…I'm Jingqi Deng, a Senior Backend Engineer with 5+ years of experience designing distributed systems at scale. I specialize in Java, microservices, and stream processing in cloud-native environments, building scalable architectures for complex workflows and asynchronous task orchestration. I enjoy tackling hard scalability and reliability challenges and thrive in fast-moving teams that ship robust platforms. I’m open to opportunities in Australia and beyond.

Available to hire

I’m Jingqi Deng, a Senior Backend Engineer with 5+ years of experience designing distributed systems at scale. I specialize in Java, microservices, and stream processing in cloud-native environments, building scalable architectures for complex workflows and asynchronous task orchestration.

I enjoy tackling hard scalability and reliability challenges and thrive in fast-moving teams that ship robust platforms. I’m open to opportunities in Australia and beyond.

Skills

Experience Level

Expert

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Intermediate

Work Experience

Senior Software Engineer at Alipay, Ant Group

September 1, 2020 - October 1, 2025

Delivered an AI-driven security system protecting all Alipay AI assistants from LLM-specific threats via real-time analysis and automated response. Architected a hyper-scale streaming pipeline processing 20M+ logs/sec with sub-second latency, implemented incremental risk aggregation and dynamic edge pruning via streaming graph engine, and engineered a proprietary CEP engine to match high-complexity risk patterns in real time. Delivered an operations platform with Spring Boot and built an AI Copilot for the operations platform, significantly reducing manual workload by 60%. Maintained 99.99% availability and MTTD/MTTR around 20-30 minutes.