Senior Software Engineer
Current
Aug 2022 - Present
AeroLeads people directory · profile
Yassi Mortensen Email & Phone Number
Senior Software Engineer at Squarespace
at
Squarespace
1 work email found
@squarespace.com
2 phones found area 858
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior Software Engineer at Squarespace
Location
New York, New York, United States
Company size
Who is Yassi Mortensen? Overview
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Quick answer
Yassi Mortensen is listed as Senior Software Engineer at Squarespace at Squarespace, a company with 501 employees, based in New York, New York, United States. AeroLeads shows a work email signal at squarespace.com, phone signal with area code 858, and a matched LinkedIn profile for Yassi Mortensen.
Yassi Mortensen previously worked as Senior Software Engineer at Squarespace and Software Engineer at The New York Times. Yassi Mortensen holds Bachelor'S Degree, Molecular, Cell, And Developmental Biology from University Of California, Santa Cruz.
Company email context
Email format at Squarespace
This section adds company-level context without repeating Yassi Mortensen's masked contact details.
{first_initial}{last}@squarespace.com
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AeroLeads found 1 current-domain work email signal for Yassi Mortensen. Compare company email patterns before reaching out.
Profile bio
About Yassi Mortensen
Full stack software engineer with a passion for making the web a beautiful place. With experience in Ruby on Rails and JavaScript/React and a background in molecular biology, I discovered web development through my experience with genetic data analysis. I bring strong skills in critical thinking and creative problem solving that help companies design and build beautiful consumer products.
Listed skills include Full Stack Web Development, Javascript, Ruby On Rails, Responsive Web Design, and 38 others.
Current workplace
Yassi Mortensen's current company
Company context helps verify the profile and gives searchers a useful next step.
Squarespace
12 roles
Yassi Mortensen work experience
A career timeline built from the work history available for this profile.
Software Engineer
Frontend engineering lead on the cross-functional team that built and continues to maintain a new Online Cancel application for digital subscribers, for which I received the Publisher’s AwardFullstack lead on the Offboarding project, which involves scoping, building, and maintaining a Google Cloud service to send recapture emails to recently canceled.
Jul 2020 - Jul 2022
Associate Software Engineer
Feb 2019 - Jun 2020
Software Engineer
Was the primary point of contact for Refinery29's user-facing React/Redux web application, refinery29.com.Wrote consumer-facing code for the website of Refinery29, impacting the experience of millions of users worldwide. Worked with members from the Product team to improve ad visibility, clickthrough rates, and customer loyalty by using engineering best.
Jul 2018 - Nov 2018
Software Engineering Intern
Apr 2018 - Jun 2018
Full Stack Web Developer
Flatiron School
An intensive training program designed to equip New Yorkers with the skills necessary to launch careers in web development. This program includes three months of full-time on-campus training, including classes/lectures, individual, pair and group programming projects, code challenges, presentations and more.Studied a variety of web development languages.
Oct 2017 - Jan 2018
Research Specialist
Constructed over 4,000 gene deletion strains for the human fungal meningitis pathogen Cryptococcus neoformans Executed high throughput biolistic transformations on highly virulent strainsSubmitted complete library into the national Fungal Genetic Stock Center for unrestricted use by the scientific community. Designed experiments on each deletion strain to.
Jun 2015 - May 2017
Research Assistant
Conducted independent genetic research projects with supervision of the Principal Investigator Performed plasmid stability experiments and generational studies on yeast histone mutants and yeast controlsBuilt continual subject matter knowledge in genetic innovations through relevant primary and secondary scientific literature
Mar 2014 - Jun 2015
Undergraduate Research Intern
Supported the Principal Investigator with experimental procedures involving hazardous organic chemicalsMaintained cleanliness, organization, and efficiency of the materials and tools used in the laboratory
Jun 2014 - Sep 2014
Sea-Phages Phagehunter
Isolated a novel bacteriophage, Critter, from the Santa Cruz mountains and characterized its structure and genome using learned molecular biology and genetics techniques.Created online profile of phage Critter on the Mycobacteriophage Database, PhagesDB.com, including discovery information, characterization, and images of plaque morphology, restriction.
Sep 2013 - Jun 2014
Resident Assistant
Maintained the Judicial responsibilities for the Housing Contact and Rules of Conduct as part of the University Housing units for 24 students. Planned, mentored and led social events for undergraduate residing in six housing units. Provided information and resources to students about the organization and programs available on university campus.
Sep 2012 - Jun 2013
Chief Executive Assistant
Advanced Rehabilitation Technologies
Sent out notification letters for rehabilitation machines usage when the patient or their insurance stopped making payments for the services. Contacted insurance companies and adjustors by phone regarding court cases and lawsuits that the company was involved. Scanned databases of patient files for fraudulent cases to provide reports for executive.
Jun 2012 - Sep 2012
Team & coworkers
Colleagues at Squarespace
Other employees you can reach at squarespace.com. View company contacts for 501 employees →
MD
Mike Durussel
Colleague at Squarespace
New York, New York, United States, United States
View →
LS
Luke Scott
Colleague at Squarespace
Port Townsend, Washington, United States, United States
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NR
Nicole Romeo
Colleague at Squarespace
New York City Metropolitan Area, United States, United States
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MM
Mariana Mora
Colleague at Squarespace
New York, New York, United States, United States
View →
HB
Herman Bathla
Colleague at Squarespace
United States, United States
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CB
Chip Brazell
Colleague at Squarespace
Ball Ground, Georgia, United States, United States
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AH
Andrada Hossu
Colleague at Squarespace
Dublin, County Dublin, Ireland, Ireland
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JC
Junelle Cacatian
Colleague at Squarespace
Kailua-Kona, Hawaii, United States, United States
View →
NS
Nicklesh Soni
Colleague at Squarespace
Brooklyn, New York, United States, United States
View →
OS
Oliver Saks
Colleague at Squarespace
Brooklyn, New York, United States, United States
View →
Mike Durussel
Colleague at Squarespace
New York, New York, United States, United States
View →
LS
Luke Scott
Colleague at Squarespace
Port Townsend, Washington, United States, United States
View →
NR
Nicole Romeo
Colleague at Squarespace
New York City Metropolitan Area, United States, United States
View →
MM
Mariana Mora
Colleague at Squarespace
New York, New York, United States, United States
View →
HB
Herman Bathla
Colleague at Squarespace
United States, United States
View →
CB
Chip Brazell
Colleague at Squarespace
Ball Ground, Georgia, United States, United States
View →
AH
Andrada Hossu
Colleague at Squarespace
Dublin, County Dublin, Ireland, Ireland
View →
JC
Junelle Cacatian
Colleague at Squarespace
Kailua-Kona, Hawaii, United States, United States
View →
NS
Nicklesh Soni
Colleague at Squarespace
Brooklyn, New York, United States, United States
View →
OS
Oliver Saks
Colleague at Squarespace
Brooklyn, New York, United States, United States
View →
2 education records
Yassi Mortensen education
Bachelor'S Degree, Molecular, Cell, And Developmental Biology
University Of California, Santa Cruz
Full-Stack Web Development
Flatiron School
FAQ
Frequently asked questions about Yassi Mortensen
Quick answers generated from the profile data available on this page.
What company does Yassi Mortensen work for?
Yassi Mortensen works for Squarespace.
What is Yassi Mortensen's role at Squarespace?
Yassi Mortensen is listed as Senior Software Engineer at Squarespace at Squarespace.
What is Yassi Mortensen's email address?
AeroLeads has found 1 work email signal at @squarespace.com for Yassi Mortensen at Squarespace.
What is Yassi Mortensen's phone number?
AeroLeads has found 2 phone signal(s) with area code 858 for Yassi Mortensen at Squarespace.
Where is Yassi Mortensen based?
Yassi Mortensen is based in New York, New York, United States while working with Squarespace.
What companies has Yassi Mortensen worked for?
Yassi Mortensen has worked for Squarespace, The New York Times, Refinery29, Inc., Flatiron School, and Ucsf.
Who are Yassi Mortensen's colleagues at Squarespace?
Yassi Mortensen's colleagues at Squarespace include Mike Durussel, Luke Scott, Nicole Romeo, Mariana Mora, and Herman Bathla.
How can I contact Yassi Mortensen?
You can use AeroLeads to view verified contact signals for Yassi Mortensen at Squarespace, including work email, phone, and LinkedIn data when available.
What schools did Yassi Mortensen attend?
Yassi Mortensen holds Bachelor'S Degree, Molecular, Cell, And Developmental Biology from University Of California, Santa Cruz.
What skills is Yassi Mortensen known for?
Yassi Mortensen is listed with skills including Full Stack Web Development, Javascript, Ruby On Rails, Responsive Web Design, Data Analysis, Research, Laboratory, and React.Js.
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