Sangmin Lee
Palisades Park,NJ
Summary
Dynamic technology leader with a proven track record at Peraton Labs, specializing in AI product development and full stack solutions. Achieved a 28% reduction in load times through UI optimization. Adept at collaborating across teams and driving innovative SaaS integrations, while mentoring peers to foster a culture of excellence.
Overview
10
10
years of professional experience
Work History
Co-Founder
Mindcraftor
Palisades Park, NJ
03.2025 - Current
- Created AI SaaS product from scratch using Next.js, Node.js, Supabase, OpenAI, and Stripe.
- Developed features such as AI business idea generation, validation engines, and autonomous customer support agent.
- Managed RAG workflows and implemented analytics tracking for performance monitoring.
- Launched product, acquiring over 2,000 users within initial months.
- Integrated payment systems, onboarding flows, and usage-based pricing models.
- Handled design, development, infrastructure management, and customer support tasks.
Experimental Engineer
SAE.SO
06.2021 - Current
- Engineered client-side A/B test implementations with Optimizely and Google Optimize on Next.js and WordPress platforms.
- Developed custom DOM-diffing and mutation observer strategies for variant logic injection in WordPress.
- Created reusable experimentation utilities for consistent variant rendering and exposure tracking across various front-end environments.
Senior Research Scientist
Peraton Labs
01.2021 - 05.2025
- Executed UI performance optimization initiatives, achieving 28% reduction in load times and enhancing responsiveness of mission-critical web applications.
- Developed interactive 3D geospatial visualizations with CesiumJS, facilitating real-time data rendering in secure environments.
- Collaborated with design, product, and backend teams to create scalable interfaces compliant with federal accessibility and security standards.
- Delivered high-fidelity prototypes and demos to internal stakeholders and government partners, supporting contract renewals and program continuation.
Senior Full Stack Engineer
Verdocs
New York, New York
12.2016 - 01.2021
- Architected and maintained technologies using Node and latest Angular from inception.
- Collaborated with business stakeholders and engineering teams to align objectives and prioritize backlogs.
- Established strategic vision for technological solutions to support organizational growth.
Lead Front End Developer
Complex Networks
New York, New York
09.2015 - 12.2016
- Revamped high-traffic websites to ensure modern design and cross-device compatibility.
- Collaborated with CRO specialists, designers, and project managers to achieve business objectives.
- Trained and mentored new hires, facilitating knowledge-sharing of emerging technologies.
Education
Master of Science - Computer Science
New York Institute of Technology
New York12-2013
Bachelor of Science - Accounting
New York Institute of Technology
New York, NY05-2008
Some College (No Degree) - Computer Science
Stony Brook University
Stony Brook, NYSkills
- AI product development
- Software architecture
- A/B testing implementation
- UI performance optimization
- Full stack development
- SaaS integration
Languages
Korean
Native/ Bilingual
Timeline
Co-Founder
Mindcraftor
03.2025 - Current
Experimental Engineer
SAE.SO
06.2021 - Current
Senior Research Scientist
Peraton Labs
01.2021 - 05.2025
Senior Full Stack Engineer
Verdocs
12.2016 - 01.2021
Lead Front End Developer
Complex Networks
09.2015 - 12.2016
Master of Science - Computer Science
New York Institute of Technology
Bachelor of Science - Accounting
New York Institute of Technology
Some College (No Degree) - Computer Science
Stony Brook University
Similar Profiles
Angel RoaAngel Roa
Student Leader / Volunteer at VolunterStudent Leader / Volunteer at Volunter
James MascoloJames Mascolo
Humanities Department Supervisor at Palisades Park Board EducationHumanities Department Supervisor at Palisades Park Board Education
Justin SchultzJustin Schultz
General Manager at Magna HospitalityGeneral Manager at Magna Hospitality
Hailey TiptonHailey Tipton
Travel Medical Assistant With Aya Travel Health at Providence Medical Center- Women's Health ClinicTravel Medical Assistant With Aya Travel Health at Providence Medical Center- Women's Health Clinic
Mahammad BaharovMahammad Baharov
Co-Founder at İnnorareCo-Founder at İnnorare