About
My name is Ka-Ho “Kelvin” Lee.
Summary
Backend software engineer and architect with 13+ years of hands-on experience delivering enterprise-grade, scalable solutions across banking, telecommunications and social-impact services in the United Kingdom and Hong Kong.
Specialises in high availability, site resilience, redundancy, cloud and on-premise architecture, RESTful API servers and HTTP proxies.
Experienced in regulated financial systems and cross-functional delivery with engineers, product teams, operations, legal, compliance, external vendors and business stakeholders.
My professional experience includes JPMorganChase, Monzo, Zensis Limited and Thomson Reuters. Explore my professional experience.
Specialization
- High availability
- site resilience
- redundancy
- cloud and on-premise
- RESTful APIs
- HTTP proxies
Domain knowledge
- Retail banking
- loans
- overdrafts
- SEPA payments
- telecommunications
- RADIUS
- SMS / SMSC / SMPP
- MMS
- real estate
- enterprise integration
- Payments and telecom billing
Technology stacks
- Kotlin / Spring Boot
- TypeScript
- JavaScript / Node.js
- Express
- Sails
- Python
- Perl
- PHP
Documentation and specifications
- OpenAPI 3.0
Cloud
- AWS
- Microsoft Azure
Databases
- CockroachDB
- MariaDB / MySQL
- Galera
- MongoDB
- replica sets
- Ops Manager
- Redis
Event streaming
- Apache Kafka
Networking
- Wireshark
Operating systems
- Linux
- Fedora
- CentOS