AeroLeads people directory · profile
Yi Sun Email & Phone Number
Senior Software Engineer
at
Alto Pharmacy
1 work email found
@alto.com
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior Software Engineer
Location
San Francisco, California, United States
Who is Yi Sun? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Yi Sun is listed as Senior Software Engineer at Alto Pharmacy, based in San Francisco, California, United States. AeroLeads shows a work email signal at alto.com and a matched LinkedIn profile for Yi Sun.
Yi Sun previously worked as Software Engineer at Alto Pharmacy and Software Engineer Leaper at Microsoft. Yi Sun holds Advanced Software Engineering Immersive Program from Hack Reactor.
Company email context
Email format at Alto Pharmacy
This section adds company-level context without repeating Yi Sun's masked contact details.
{first}.{last}@alto.com
89% confidence
AeroLeads found 1 current-domain work email signal for Yi Sun. Compare company email patterns before reaching out.
Profile bio
About Yi Sun
Yi Sun is a Senior Software Engineer at Alto Pharmacy. They possess expertise in microsoft office, microsoft excel, microsoft word, powerpoint, customer service and 5 more skills. They is proficient in English.
Listed skills include Microsoft Office, Microsoft Excel, Microsoft Word, Powerpoint, and 6 others.
Current workplace
Yi Sun's current company
Company context helps verify the profile and gives searchers a useful next step.
8 roles · 14 years
Yi Sun work experience
A career timeline built from the work history available for this profile.
Software Engineer
Software Engineer Leaper
2021 - 2021
Full Stack Developer
2020 - 2021
~1 yr
Full Stack Engineer
A full-stack hostel booking application, where I focused on the listing description microservice.• Created a listing description microservice using React,MongoDB and Express• Achieved 80% test coverage of JavaScript and React using Jest and Enzyme• Deployed the full-stack microservice using Docker and AWS EC2 for simple reproducibility• Optimized test speed by 20% and reached 99 out of 100 with Gzip and image compression
2019 - 2019
Back End Engineer
Back-end System Design for the gallery module, to handle 500 RPS on AWS EC2 with 50M records • Improved PostgreSQL queries with B tree indexing to achieve read speed from 30,000ms to 3ms• Performed stress tests with K6 and Loader.io to simulate sustained high traffic load to identify performance bottlenecks• Cached with Redis and Horizontally scaled 4 services on AWS EC2 with Nginx load balancers to support 500 requests per second
2019 - 2019
Full Stack Engineer
An User-facing food ordering website with Bootstrap, JavaScript, React, and Express• Deployed authentication system with Passport library and MongoDB• Architected an Express Server which routed to multiple endpoints with serving multiple static assets
2019 - 2019
Immigrantion Investment Coordinator
2013 - 2019
~6 yrs
Team & coworkers
Colleagues at Alto Pharmacy
Other employees you can reach at alto.com. View company contacts →
WP
Wasai Phung
Colleague at Alto PharmacyLos Angeles, California, United States
View →
PX
Pearl Xin
Colleague at Alto PharmacySan Francisco Bay Area, United States
View →
DE
Danny Eiden
Colleague at Alto PharmacyChicago, Illinois, United States
View →
CJ
Chae Joon L.
Colleague at Alto PharmacyUnited States
View →
EJ
Emmy Juliette
Colleague at Alto PharmacyNew York City Metropolitan Area, United States
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SS
Stephanie Schmitz
Colleague at Alto PharmacyNew York, United States
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MS
Megha Shitole
Colleague at Alto PharmacyPune, Maharashtra, India
View →
SG
Stephanie Green
Colleague at Alto PharmacyAustin, Texas Metropolitan Area, United States
View →
AH
Alexia Harris
Colleague at Alto PharmacyGreater Seattle Area, United States
View →
VH
Veronica Hein
Colleague at Alto PharmacyDenver Metropolitan Area, United States
View →
Wasai Phung
Colleague at Alto PharmacyLos Angeles, California, United States
View →
PX
Pearl Xin
Colleague at Alto PharmacySan Francisco Bay Area, United States
View →
DE
Danny Eiden
Colleague at Alto PharmacyChicago, Illinois, United States
View →
CJ
Chae Joon L.
Colleague at Alto PharmacyUnited States
View →
EJ
Emmy Juliette
Colleague at Alto PharmacyNew York City Metropolitan Area, United States
View →
SS
Stephanie Schmitz
Colleague at Alto PharmacyNew York, United States
View →
MS
Megha Shitole
Colleague at Alto PharmacyPune, Maharashtra, India
View →
SG
Stephanie Green
Colleague at Alto PharmacyAustin, Texas Metropolitan Area, United States
View →
AH
Alexia Harris
Colleague at Alto PharmacyGreater Seattle Area, United States
View →
VH
Veronica Hein
Colleague at Alto PharmacyDenver Metropolitan Area, United States
View →
2 education records
Yi Sun education
Advanced Software Engineering Immersive Program
Hack Reactor
Bachelor Of Science (Bs), Business Administration In Finance
San Francisco State University
FAQ
Frequently asked questions about Yi Sun
Quick answers generated from the profile data available on this page.
What company does Yi Sun work for?
Yi Sun works for Alto Pharmacy.
What is Yi Sun's role at Alto Pharmacy?
Yi Sun is listed as Senior Software Engineer at Alto Pharmacy.
What is Yi Sun's email address?
AeroLeads has found 1 work email signal at @alto.com for Yi Sun at Alto Pharmacy.
Where is Yi Sun based?
Yi Sun is based in San Francisco, California, United States while working with Alto Pharmacy.
What companies has Yi Sun worked for?
Yi Sun has worked for Alto Pharmacy, Microsoft, Aim-Hi, Personal Projects, and Law Offices Of Vaughan De Kirby A.P.C..
Who are Yi Sun's colleagues at Alto Pharmacy?
Yi Sun's colleagues at Alto Pharmacy include Wasai Phung, Pearl Xin, Danny Eiden, Chae Joon L., and Emmy Juliette.
How can I contact Yi Sun?
You can use AeroLeads to view verified contact signals for Yi Sun at Alto Pharmacy, including work email, phone, and LinkedIn data when available.
What schools did Yi Sun attend?
Yi Sun holds Advanced Software Engineering Immersive Program from Hack Reactor.
What skills is Yi Sun known for?
Yi Sun is listed with skills including Microsoft Office, Microsoft Excel, Microsoft Word, Powerpoint, Customer Service, Research, Photoshop, and Social Media.
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