Jang Si
Fueling success with trust and over a decade of tech expertise: With over 10 years of experience in software engineering and a rich background in mentoring and guiding teams, I am well-equipped to support companies in achieving their goals. My technical skills include:
- JavaScript
- TypeScript
- React
- HTML
- CSS
- Python
- Node.js
- Go
- SQL
- Solr
Coupled with a passion for fostering a positive and productive working environment, drive me to share my knowledge and experiences to propel your projects to success. I understand the value of reliability and stability, and I am committed to bringing these qualities to your team.
REVIEWS FROM CLIENTS
• Full-stack engineer building Typescript/React interfaces used by thousands of customers daily
• Build services written in Go tha...
• Full-stack engineer building Typescript/React interfaces used by thousands of customers daily
• Build services written in Go that run in kubernetes containers and leverage GCP products such as pub/sub and cloudstore
• Invent custom visualizations and graphing libraries using javascript, css, and vector graphics to convey complex data in easy to use ways
• Maintain and extend statistical algorithms that compute user journeys and bottlenecks
• Write, maintain, and review technical design documents distributed among cross-team engineers
• Build functionality into an existing data streaming pipeline that ingests petabytes of data monthly in real time
• Mentored multiple students on a weekly basis in the Software Engineering track
• Covered a curriculum of topics including beginn...
• Mentored multiple students on a weekly basis in the Software Engineering track
• Covered a curriculum of topics including beginner and intermediate React, Express, MongoDB, and Nodejs
• Successfully guided a student with no technical background from the start of the curriculum to obtaining a full-time job as a Full Stack Developer
• Use Reactjs to scale a video interviewing platform used by candidates globally, utilizing WebRTC and browser Media APIs
• Develo...
• Use Reactjs to scale a video interviewing platform used by candidates globally, utilizing WebRTC and browser Media APIs
• Developed a video processing pipeline using Scala, Play, and Ffmpeg with an AWS infrastructure, including SQS, S3, EC2, and Cloudfront
• Created BI tools and dashboards utilizing Google BigQuery, Google Sheets, MongoDB, and DataStudio
• Developed and maintained an iOS app for use by candidates in the video interviewing process using ReactNative
• Developed and supported an operations framework that utilized services such as Pagerduty and Pingdom, Sendgrid, and Twiliousing custom made, comprehensive health checks embedded in services
• Designed and developed Chrome extensions as a product offering to be used by enterprise customers
• Designed and developed Microsoft Office Add-ins for Outlook, using Reactjs and Typescript as a product offering to be used by enterprise customers
• Designed and maintained service infrastructure on a mixed-cloud platform using AWS and GCP
• Configured and maintained network infrastructure, including VPC, load balancer, reverse proxy, and firewalls up to and exceeding industry standard
• Used Python scripting to automate processes for Operations, Sales and Marketing, including text mining and structuring data