Nhat Anh Ngo

Due to family circumstance, continued working with Zen8Labs as a partner, additionally with a new challenge:

• Designed and developed a performant and highly optimized load absorbing backpressure system for Omega (another Zen8Labs partner) who was having trouble with spike load from third party event emitting services calling their webhooks.
• Technologies: Rust, Kafka, Redis, Nix

Employed fulltime at Zen8Labs, worked mostly as an engineer for the backend development team of a Zen8Labs partner named Nudge Inc, a payment instrument issuer based in Japan, and later as a fullstack (mostly backend) developer for 2030 Builders, a sustainability education startup in Denmark.

• Maintained and extended microservices in Nudge’s backend system
• Designed and implemented a new subsystem for a new business domain in Nudge's backend
• Provided guidance and training for new member of the backend team
• Developed the backend and a bit of the frontend of 2030 Builders's web application
• Developed an internally used high performance load testing tool to verify performance claims with customers
• Technologies: Golang, MySQL, Postgresql, AWS PaaS (Dynamodb, SQS, Lambda Function, Fargate, KMS, S3, CloudFront, CloudWatch, CodeBuild, CodeDeploy), Rust, Javascript/Typescript (Nestjs, React)

Worked on multiple projects for business partners of Zen8Labs

• Designed and implemented an async tasks subsystem for the backend of Spores, a partner of Zen8Labs
• Helped Spores with API development
• Designed and implemented a currency bridge system for customer (Welups)'s own blockchain for interoperation with Ethereum
• Technologies: Golang, NATS, Machinery, Redis, Cadence/Temporal, Ethereum

Working on iParking – a car parking system providing service for multiple parking lot companies in Hanoi, using the then-state of the art microservices architecture

• Maintained and extended microservices for the system’s backend
• Implemented new microservices
• Administrated and managed the dev servers
• Implemented an in-house automated deployment solution for the testing environment using Ansible
• Implemented an experimental then-novel Kubernetes cluster for the testing environment
• Situational frontend development
• Technologies: Golang, GRPC, etcd, MySQL, RocksDB (MyRocks in MySQL), in-house distributed sharding solution, Ansible, docker, Kubernetes

Outsourcing as a freelancer for another engineer, working together on a task queue for the server side of a mobile game

• Implemented Celery wrapper for workers and producers, using RabbitMQ as the broker
• Implemented workers and producers for async tasks
• Technologies: Python, Celery, RabbitMQ, Postgresql

Developing a video streaming system at a small scale

• Implemented RESTful APIs
• Maintained part of the server to client video streaming logic
• Technologies: Nodejs, MongoDB, websocket