My Experience

9+ years architecting distributed platforms for food delivery, mobility, fintech, and consumer communities—owning everything from event-driven services and data pipelines to the operational tooling teams rely on every day.

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Senior Software Engineer

Just Eat Takeaway · Help Experience / Platform

Enschede, Netherlands

Current

May 2023 – Present

Own end-to-end automation for customer support operations across Europe, partnering with product, operations, and data teams to design resilient platforms that keep millions of orders moving smoothly.

Highlights:

Designed an event-driven orchestration layer (Java, Spring Boot, Kafka, AWS SQS, Redis) for the help chatbot, cutting manual interventions by 60% and improving stability.
Architected JETMS, a unified operational platform with multi-tenant routing and a shared data model that consolidates 20+ services and trims resolution SLAs by ~33%.
Built a centralized logging pipeline with Benthos, Kafka, AWS SQS, and OpenSearch to process 50K+ logs/day and reduce MTTR by 25%.
Drove instrumentation, documentation, and incident reviews that strengthened on-call readiness across the platform.

Java Spring Boot Kafka AWS Redis TypeScript

Senior Software Engineer

Grab · Geo – Map Collection

Beijing, China

Feb 2021 – Apr 2023

Led geospatial data platforms that power Grab's ride-hailing and delivery experiences, balancing contributor workflows, data quality, and downstream service requirements.

Highlights:

Built Jarvis, a crowdsourced task management platform (Go, PostgreSQL, ElasticSearch, Kafka) scaling to 300K tasks and 400K+ geospatial data points.
Engineered KartaView, a high-performance street-view service backed by PostGIS and the Douglas–Peucker algorithm to shrink geospatial data size by 70% and accelerate queries.
Delivered a distributed notification system with Redis locks, Kafka, and ElasticSearch providing exactly-once delivery for 10K+ monthly notifications.
Partnered with product ops to prioritize roadmap, instrumentation, and rollout strategies across Southeast Asia markets.

Go PostgreSQL Kafka Redis ElasticSearch Distributed Systems PostGIS

Senior Software Engineer

Ant Group · AI Data Platform

Beijing, China

Jan 2018 – Jul 2020

Re-architected experimentation infrastructure used by Ant Group's consumer and merchant products, enabling faster iteration while maintaining rigorous governance.

Highlights:

Rebuilt Darwin experimentation platform (client SDKs + Java APIs) with standardized contracts supporting 15M+ DAUs and 1,000+ experiments annually.
Developed a full-stack traffic-splitting SDK with secondary hashing and client caching to cut server compute cost by 40% while ensuring consistent experiment allocation.
Partnered with data scientists and PMs to craft governance that delivered a 2% conversion lift and $10M+ annual impact.

TypeScript Java Experimentation SDK Design

Software Engineer

Douban · User Product

Beijing, China

Jul 2015 – Sep 2017

Delivered core social and media features for one of China's largest cultural communities, collaborating with designers and product managers on experiences used by 100M+ users.

Highlights:

Shipped and maintained high-traffic Python and JavaScript services across web and mobile surface.

Python JavaScript Web Development Product Engineering

B.Sc. Electronic Engineering

University of Electronic Science and Technology of China

2015 - 2019

Focused on embedded systems, signal processing, and software engineering fundamentals while collaborating on multidisciplinary projects that sparked my interest in large-scale platforms.

Highlights:

Studied C programming, embedded systems, digital circuits, and analog circuits.
Gained an understanding of the underlying computer hardware components and computer system architecture.
I still find software development interesting, so I taught myself web development before graduation.

Electronic Engineering Signal Processing Algorithms Embedded Systems