Marlen Istambaev
@marlenistambaev
Full-stack engineer building AI recruiting and predictive web apps with Next.js, FastAPI, and PostgreSQL.
ZimbabweWhat I'm looking for
I’m a founder and full-stack engineer focused on turning real user needs into production-ready products. With my AI Recruiting & OSINT SaaS, I launched an AI-powered platform that automates candidate sourcing and generates Boolean search strings using the OpenAI API.
I build scalable, secure systems end-to-end—Next.js and TypeScript for the UI, FastAPI for APIs, and PostgreSQL via Supabase, with JWT authentication and protected routes. I also created an admission probability prediction platform and an AI Resume Builder, and I’m proud of deploying reliably with Vercel/Render, CI/CD, and clean backend services.
Experience
Work history, roles, and key accomplishments
Founder & Full-Stack Engineer
GhostIn
May 2026 - Present (1 month)
Built and launched an AI-powered recruiting SaaS automating candidate sourcing workflows and generating Boolean search queries from natural-language requirements. Developed a production-ready full-stack system with Next.js, TypeScript, FastAPI, PostgreSQL (Supabase), and secure authentication.
Full-Stack Developer
AI Resume Builder
Mar 2026 - Apr 2026 (1 month)
Created a full-stack resume builder using React/TypeScript and FastAPI with OAuth2/JWT authentication, full CRUD flows, and validated data models. Deployed the frontend on Vercel and backend on Render with CORS, environment configuration, and database migrations.
Founder & Full-Stack Developer
University Admission Prediction Platform
Dec 2025 - Mar 2026 (3 months)
Built a predictive web application estimating university admission probability using academic metrics and external data inputs. Implemented a full-stack architecture with React, TypeScript, FastAPI, PostgreSQL (Supabase), and REST API integrations with responsive UI and robust error handling.
Education
Degrees, certifications, and relevant coursework
University of Messina
Bachelor's Degree, Data Analysis
Expected to complete a Bachelor’s Degree in Data Analysis at the University of Messina by 2028.
College (Bishkek)
Associate Degree, Programmer Technician
Graduated in 2025 with an Associate Degree in Programmer Technician.
Tech stack
Software and tools used professionally
Availability
Location
ZimbabweAuthorized to work in
Website
marlen-portfolio.vercel.appJob categories
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