<h1 id="db_shard"><a aria-hidden="true" class="anchor-heading icon-link" href="#db_shard"></a>Db_shard</h1>
<p><a href="https://www.notion.so/blog/sharding-postgres-at-notion">Herding elephants: Lessons learned from sharding Postgres at Notion</a></p>

Db_shard

dendron

aCommerce Thailand (June 2015 - June 2016)


Name: Supakorn Warodom

Interesting design and implement [easy to change, scalable, secure]

Strong understanding of the technology, regulations, and operations involved in Cryptocurrency exchange industry in Thailand.


## Techs

- [[Golang|t.lang.go]]
- [[PostgreSQL|t.tool.postgres]], RabbmitMQ, Redis
- Docker, Kubernetes
- [[Neovim|t.texteditor.vim]] > VSCode


## EXPs

### Satang Corporation (June 2016 - Present)

#### Lead Sotware Achitect (September 2020)

- Participate in the entire development life cycle, including planning, analysis, design, implementation, and maintenance.
- Write system architect and technical specifications based on conceptual design and stated business and technical requirements.
- Design, build, and maintain a performant core API system that serves the customer-facing front-end and internal user from the ground up.
- Oversee the software development lifecycle, implementing agile methodologies, continuous integration, and continuous delivery practices.
- Provide technical guidance and mentoring of software engineering for multiple concurrent projects.
- Identify technical bottleneck (or pain point) and find the solution to improve the system, developer experience, and CI/CD pipeline.

#### Sotware Engineer (June 2016)

- Solely developed a production matching engine backend and Cryptocurrency exchange web UI trading page in React.js in a quarter.
- Developed blockchain integration system on Bitcoin, Ethereum,  Ripple, and Stellar under tight deadlines while making it fast, reliable, and free from costly mistakes.
  - Transaction monitoring for customer deposit
  - Transaction signing and the mechanism to prevent transaction duplication for customer withdrawal
- Set up CI&CD pipeline, configuration management using Ansible, and deployment script.
- Set up a monitoring system and dashboard using Grafana, Statsd, and Prometheus.
- Rewrote the entire system in a new architectural style for scalability, maintainability, and new database design to better fit the business model and related required (financial, operational) reports
- Integrate Thai Promptpay QR Code into the Thai baht deposit system and operation-related system on two different banks
- Develop various financial report generators.


### aCommerce Thailand (June 2015 - June 2016)

#### Associate Software Engineer

- Implemented web API in Django (Python)
- Implemented new web UI in React.js

