LIU_HONGYE
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LIU HONGYE / Java Expert / Data Architect / Technical Team Lead

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High-concurrency systems · risk control · AI graduate study

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Tokyo, Japan

SYSTEM STATUS: ONLINE
BACKEND ARCHITECT · DATA SYSTEMS · TECHNICAL LEADERSHIP

Geek style.
Serious engineering.

I build resilient backend systems, high-scale data infrastructure, and business-facing technical solutions. A bridge between complex code and business value.

Trusted in high-pressure production environments, from risk-control platforms to globally scaled event traffic.

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QPS PRESSURE -90%+

Bitmap-based push optimization under large-scale traffic

SEARCH EFFICIENCY +80%

Search performance improvement through architecture and query redesign

STORAGE COST -70%+

Media storage cost reduction with system redesign and cloud optimization

RELIABILITY ZERO DOWNTIME

Major-event stability mindset in production-critical environments

experience 7+ years
team lead 3 years
languages EN / JP / CN
CORE VALUE High-concurrency architecture

Experienced in billion-level messaging, distributed systems, and mission-critical backend stability.

LEADERSHIP Bridge between tech and business

Capable of aligning engineering execution with stakeholder goals in international teams.

HIRING SIGNAL Ready for senior backend / architect roles

Strong fit for backend architect, technical lead, data platform, and risk-control engineering positions.

[ 01 ] ABOUT

Backend and data architecture engineer with strong hands-on experience in distributed systems, risk-control platforms, large-scale indexing, and high-traffic stability.

Strong at aligning technology with business value, communicating with stakeholders, and leading engineering execution in international environments.

[ 02 ] CORE_STACK
Java / Spring Cloud Distributed Systems Kafka / RabbitMQ ElasticSearch Redis / MySQL / TiDB Risk Control Team Leadership AI / MS Student
[ 03 ] EXPERIENCE_LOG
Click each experience card to expand detailed achievements.
IMPACT

Reduced QPS pressure by over 90% through bitmap-based multi-platform push optimization and millisecond-level querying.

SCOPE

Owned risk-control middle platform design, asynchronous settlement architecture, and SLA stability during global traffic peaks.

STACK

Spring Cloud / TiDB / ElasticSearch / Kafka / Redis / Sentinel / Grafana / XXL-JOB

IMPACT

Reduced media storage cost by over 70% and improved search efficiency by about 80% through architecture and query optimization.

SCOPE

Worked on media systems, high-concurrency comments, search migration, JWT + RBAC security, and content audit support.

STACK

Spring Boot / MongoDB / ElasticSearch / RabbitMQ / Wasabi Cloud / JWT

IMPACT

Enabled core digital transformation by migrating monolithic flows into scalable services with reliable order assembly and delivery logic.

SCOPE

Led backend delivery for order management, merchant coordination, distributor sorting, and WeChat OAuth2 permission separation.

STACK

Spring Cloud Gateway / Nacos / OpenFeign / Redis Geo / MySQL

IMPACT

Compressed controller-to-DAO latency to around 150ms and supported millions of active users with multi-level caching strategy.

SCOPE

Worked on distributed services, legacy refactoring, shell automation, and database performance optimization with DBA collaboration.

STACK

Spring / Dubbo / Zookeeper / Redis + Caffeine / Kafka / MySQL / Shell

[ 04 ] HIGHLIGHTS
  • Expert in high-concurrency Java architecture and large-scale data systems
  • 3 years of team leadership in English-speaking environments
  • Strong stakeholder communication and business-technical translation
  • Zero-downtime mindset during global peak traffic events
  • English fluent, Japanese JLPT N2, Chinese native
[ 05 ] EDUCATION + INTERESTS

Golden Gate University

MS in Artificial Intelligence · 2025 - 2026

Qingdao Agriculture University

Bachelor · 2014 - 2018

Sports, day trading, reading, AI, Web3, macro economics, history, psychology, health.

[ 07 ] WHY_HIRE_ME
Can own architecture

Able to design, implement, and stabilize backend systems under real business pressure.

Can lead execution

Experienced in sprint planning, technical coordination, and cross-team delivery.

Can communicate upward

Good at translating complex systems into business language for stakeholders and management.

[ 06 ] CONTACT_ENDPOINTS

Let’s build something serious.

Open to backend architecture, platform engineering, technical leadership, and data-intensive product opportunities.

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EMAIL milesrestart@gmail.com
PHONE 070-8527-5279
LOCATION Tokyo, Japan
GITHUB github.com/vual