Currently seeking internships (Summer '25)
Hi! I'm
Jonathan Wrenn
a
Comp Sci & Math Student
at
Columbia University ('26)
who turns ideas into quality code
Skilled in
Python
Skilled in
Java
Skilled in
Javascript
Skilled in
SQL
Skilled in
Python
Skilled in
Java
Skilled in
Javascript
Skilled in
SQL
{01} — Featured projects
I apply technical skill for measurable impact
Past Projects
{
Computational Research
}
.......
Jun 1, 2024
-
Aug 31, 2024
Princeton University
Result: Reduced Quantum Cascade Laser data analysis time by 90%+.
{
Software Engineering
}
.......
May 1, 2023
-
Jun 1, 2024
Veo Careers
Result: Reduced recruitment cycle times by 65%+.
{
Custom Applications
}
.......
Jan 1, 2024
-
Apr 1, 2024
Second Chancer Connect
Result: Built a scalable AI-powered mentorship platform for over 2M incarcerated individuals.
{
Software Engineering
}
.......
Dec 1, 2023
-
May 1, 2024
Cool Beans
Result: Built an MVP e-commerce platform with user authentication, product browsing, cart, and checkout features, along with responsive design and inventory tracking.
{02.A} — Tools & Skills
Backend Technical Skills
{02.A} — Tools & Skills
Backend Technical Skills
{02.A} — Tools & Skills
Backend Technical Skills
Python
Backend Development
Experienced
Python
Backend Development
Experienced
Python
Backend Development
Experienced
Java
Backend Development
Experienced
Java
Backend Development
Experienced
Java
Backend Development
Experienced
Node js
Backend Development
Intermediate
Node js
Backend Development
Intermediate
Node js
Backend Development
Intermediate
PHP
Backend Development
Basic
PHP
Backend Development
Basic
PHP
Backend Development
Basic
Ruby
Backend Development
Basic
Ruby
Backend Development
Basic
Ruby
Backend Development
Basic
HTML
Frontend Development
Intermediate
HTML
Frontend Development
Intermediate
HTML
Frontend Development
Intermediate
CSS
Frontend Development
Intermediate
CSS
Frontend Development
Intermediate
CSS
Frontend Development
Intermediate
Javascript
Frontend Development
Intermediate
Javascript
Frontend Development
Intermediate
Javascript
Frontend Development
Intermediate
React
Frontend Development
Basic
React
Frontend Development
Basic
React
Frontend Development
Basic
{02.B} — Tools & Skills
Frontend Technical Skills
{02.B} — Tools & Skills
Frontend Technical Skills
{02.B} — Tools & Skills
Frontend Technical Skills
Software Engineering
Quantitative Analysis
Data Mining
System Design
Research
Software Engineering
Quantitative Analysis
Data Mining
System Design
Research
{03} — Resume
Work Experience
Princeton, NJ
/
01
Princeton University, Computational Biology Research Intern
Conducted advanced data mining and machine learning research on Quantum Cascade Laser (QCL) design, successfully filtering and analyzing a dataset of 151 million potential structures.
Developed and implemented custom Python scripts for efficient data processing, visualization, and parameter filtering, significantly reducing analysis time from 5+ minutes to under 30 seconds.
Simulated and validated the theoretical performance of optimized QCL designs, identifying high-performance structures that can be used in chemical sensing, environmental monitoring, and self-driving car technologies.
Jun 2024 - Aug 2024
Princeton, NJ
/
01
Princeton University, Computational Biology Research Intern
Conducted advanced data mining and machine learning research on Quantum Cascade Laser (QCL) design, successfully filtering and analyzing a dataset of 151 million potential structures.
Developed and implemented custom Python scripts for efficient data processing, visualization, and parameter filtering, significantly reducing analysis time from 5+ minutes to under 30 seconds.
Simulated and validated the theoretical performance of optimized QCL designs, identifying high-performance structures that can be used in chemical sensing, environmental monitoring, and self-driving car technologies.
/3-5 weeks/
Princeton, NJ
/
01
Princeton University, Computational Biology Research Intern
Conducted advanced data mining and machine learning research on Quantum Cascade Laser (QCL) design, successfully filtering and analyzing a dataset of 151 million potential structures.
Developed and implemented custom Python scripts for efficient data processing, visualization, and parameter filtering, significantly reducing analysis time from 5+ minutes to under 30 seconds.
Simulated and validated the theoretical performance of optimized QCL designs, identifying high-performance structures that can be used in chemical sensing, environmental monitoring, and self-driving car technologies.
Jun 2024 - Aug 2024
Remote
/
02
Veo Careers, Junior Software Engineer
Designed and implemented AI-driven processes to review candidate applications, reducing recruitment cycles from 2–4 weeks to 10 days, substantially increasing revenue potential and accelerating client onboarding.
Developed a bot to automatically upload PDFs from major job boards into our database, eliminating 2 hours of daily manual work and allowing employees to focus on higher-impact tasks.
Designed workflows for pre-screen video interviews, utilizing AI to analyze transcripts and automatically determine pass or fail, saving over 20 hours in interview screening time and improving efficiency and consistency in candidate evaluations.
Oct 2023 - June 2024
Remote
/
02
Veo Careers, Junior Software Engineer
Designed and implemented AI-driven processes to review candidate applications, reducing recruitment cycles from 2–4 weeks to 10 days, substantially increasing revenue potential and accelerating client onboarding.
Developed a bot to automatically upload PDFs from major job boards into our database, eliminating 2 hours of daily manual work and allowing employees to focus on higher-impact tasks.
Designed workflows for pre-screen video interviews, utilizing AI to analyze transcripts and automatically determine pass or fail, saving over 20 hours in interview screening time and improving efficiency and consistency in candidate evaluations.
/3-5 weeks/
Remote
/
02
Veo Careers, Junior Software Engineer
Designed and implemented AI-driven processes to review candidate applications, reducing recruitment cycles from 2–4 weeks to 10 days, substantially increasing revenue potential and accelerating client onboarding.
Developed a bot to automatically upload PDFs from major job boards into our database, eliminating 2 hours of daily manual work and allowing employees to focus on higher-impact tasks.
Designed workflows for pre-screen video interviews, utilizing AI to analyze transcripts and automatically determine pass or fail, saving over 20 hours in interview screening time and improving efficiency and consistency in candidate evaluations.
Oct 2023 - June 2024
Remote
/
03
Veo Careers, Software Engineer Intern
Developed and deployed an AI chatbot on the company website, serving 600 monthly users and providing a valuable resource for job seekers at a cost of 5 dollars per month to the company.
Set up website analytics to capture and analyze traffic data, generating insights that boosted site traffic by 20% and added 10 new client leads per month.
Developed automated workflows for a nonprofit’s mentoring program within jails/prisons, eliminating physical handling of letters by digitizing mail and sending contents directly to mentors’ email inboxes, allowing the program to scale rapidly and serve hundreds of people nationwide.
May 2023 - Oct 2023
Remote
/
03
Veo Careers, Software Engineer Intern
Developed and deployed an AI chatbot on the company website, serving 600 monthly users and providing a valuable resource for job seekers at a cost of 5 dollars per month to the company.
Set up website analytics to capture and analyze traffic data, generating insights that boosted site traffic by 20% and added 10 new client leads per month.
Developed automated workflows for a nonprofit’s mentoring program within jails/prisons, eliminating physical handling of letters by digitizing mail and sending contents directly to mentors’ email inboxes, allowing the program to scale rapidly and serve hundreds of people nationwide.
/3-5 weeks/
Remote
/
03
Veo Careers, Software Engineer Intern
Developed and deployed an AI chatbot on the company website, serving 600 monthly users and providing a valuable resource for job seekers at a cost of 5 dollars per month to the company.
Set up website analytics to capture and analyze traffic data, generating insights that boosted site traffic by 20% and added 10 new client leads per month.
Developed automated workflows for a nonprofit’s mentoring program within jails/prisons, eliminating physical handling of letters by digitizing mail and sending contents directly to mentors’ email inboxes, allowing the program to scale rapidly and serve hundreds of people nationwide.
May 2023 - Oct 2023
Key Work Outcomes
90%
Decrease
in Quantum Cascade Laser's data analysis time (5+ min to <30 sec)
90%
Decrease
in Quantum Cascade Laser's data analysis time (5+ min to <30 sec)
90%
Decrease
in Quantum Cascade Laser's data analysis time (5+ min to <30 sec)
65%
Reduction
in Veo Careers' recruitment cycle time (28 days to <10 days)
65%
Reduction
in Veo Careers' recruitment cycle time (28 days to <10 days)
65%
Reduction
in Veo Careers' recruitment cycle time (28 days to <10 days)
20hrs
Eliminated (per week)
of candidate screening time for Veo Careers
20hrs
Eliminated (per week)
of candidate screening time for Veo Careers
20hrs
Eliminated (per week)
of candidate screening time for Veo Careers
{05} — FAQ
Common Internship Questions
Common Internship Questions
01/
Are you willing to relocate for an internship, and are there any considerations we should be aware of?
Yes, I am willing to relocate for this internship. I would appreciate any information on housing support or resources the company might offer, but I am prepared to manage the logistics independently if needed.
02/
Are you comfortable working in a hybrid or in-person work environment, if required?
Yes, I am comfortable working in a hybrid or in-person setting and am willing to commute or relocate as necessary for the role.
03/
Are you available for the full duration of our summer internship program?
Yes, I am fully available for the entire duration of any summer internship program, and I can adjust my schedule to meet your program's requirements.
04/
Are you hoping to transition this internship into a full-time opportunity after graduating in May 2026?
Yes, I am very interested in the possibility of transitioning into a full-time role after graduation in May 2026. My goal is to contribute meaningfully during the internship, demonstrate my potential, and align my long-term career goals with the company's objectives.
01/
Are you willing to relocate for an internship, and are there any considerations we should be aware of?
Yes, I am willing to relocate for this internship. I would appreciate any information on housing support or resources the company might offer, but I am prepared to manage the logistics independently if needed.
02/
Are you comfortable working in a hybrid or in-person work environment, if required?
Yes, I am comfortable working in a hybrid or in-person setting and am willing to commute or relocate as necessary for the role.
03/
Are you available for the full duration of our summer internship program?
Yes, I am fully available for the entire duration of any summer internship program, and I can adjust my schedule to meet your program's requirements.
04/
Are you hoping to transition this internship into a full-time opportunity after graduating in May 2026?
Yes, I am very interested in the possibility of transitioning into a full-time role after graduation in May 2026. My goal is to contribute meaningfully during the internship, demonstrate my potential, and align my long-term career goals with the company's objectives.
01/
Are you willing to relocate for an internship, and are there any considerations we should be aware of?
Yes, I am willing to relocate for this internship. I would appreciate any information on housing support or resources the company might offer, but I am prepared to manage the logistics independently if needed.
02/
Are you comfortable working in a hybrid or in-person work environment, if required?
Yes, I am comfortable working in a hybrid or in-person setting and am willing to commute or relocate as necessary for the role.
03/
Are you available for the full duration of our summer internship program?
Yes, I am fully available for the entire duration of any summer internship program, and I can adjust my schedule to meet your program's requirements.
04/
Are you hoping to transition this internship into a full-time opportunity after graduating in May 2026?
Yes, I am very interested in the possibility of transitioning into a full-time role after graduation in May 2026. My goal is to contribute meaningfully during the internship, demonstrate my potential, and align my long-term career goals with the company's objectives.