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Open to workDesired start date: Flexible
Open To Work
Emma Lee
Paranaque,Manila
Work Preference
Summary
Backend Engineer with 5 years of experience building distributed backend systems focused on financial transaction platforms and scalable microservice architecture. Experienced in developing backend services with Java, Python, Golang and Node.js, integrating external systems such as blockchain networks for wallet-related operations, and utilizing AI/LLM APIs to enhance backend workflows. Strong background in building reliable, high-performance backend systems where multiple technologies are integrated into production services.
Overview
6
6
years of professional experience
3
3
Languages
4
4
years of post-secondary education
Work History
Backend Engineer
CyberMedia Technologies
McLean, VA
04.2022 - Current
- Led backend development using mainly Java and golang, focusing on system reliability, high availability, and performance optimization.
- Designed and implemented event-driven systems using Kafka-like messaging patterns, improving transaction processing flow and system decoupling.
- Worked on integration of crypto wallet services into backend systems, supporting deposit/withdrawal flows and synchronization with external blockchain networks.
- Developed backend features integrated with AI chatbot services using LLM APIs, enabling automated user interaction and internal system assistance.
- Improved system stability through Redis caching, SQL optimization, asynchronous processing, and distributed system debugging techniques.
- Participated in production operations including incident troubleshooting, system monitoring, and backend reliability improvements under high-load conditions.
Java Backend Developer
CyberMedia Technologies
McLean, VA
04.2020 - 03.2022
- Worked primarily with Java and Spring Boot, building REST APIs for payment workflows, account services, and internal ledger operations.
- Used MySQL and Redis for data storage and caching to support stable financial operations.
- Contributed to backend logic involving basic financial workflows such as transaction validation, balance updates, and reconciliation support in distributed systems.
- Supported system integration tasks using Python and Node.js, mainly for service communication and lightweight automation scripts.
- Gained exposure to integrating external services, including basic blockchain wallet interaction APIs for transaction tracking and status updates.
Education
Bachelor's Degree - Engineering and Applied Science
University of Virginia
Charlottesville, VA 04.2016 - 03.2020
Skills
- Java 8/11/17
- Spring Boot
- Spring Security
- Spring Cloud
- Python
- Javascript/Typescript
- Nodejs
- Web3js
- Golang
- Graphql
- Restful API
- OpenAI
- Machine Learning
- LLM
- SQL
- MySQL
- NoSQL
- Redis
- Git
- Docker
- Postman
- Swagger
- Linux
- CI/CD
- Microservices
- Kafka
- Backend development
- Asynchronous processing
- Data consistency design
- Software Development Lifecycle
- Financial services
- Economics
- Concurrency
- Agile programming methodologies
- Jira
- Testing
- Communication skills
Languages
English
Bilingual or Proficient (C2)
Chinese
Advanced (C1)
Japanese
Elementary (A2)
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Interests
Ping-pong
Listening to Musics
Reading Books
Drawing
Timeline
Backend Engineer
CyberMedia Technologies
04.2022 - Current
Java Backend Developer
CyberMedia Technologies
04.2020 - 03.2022
Bachelor's Degree - Engineering and Applied Science
University of Virginia
04.2016 - 03.2020