Senior Full Stack Engineer
Serob Khurshudyan
Backend-Focused · AI Integrations
Backend-focused engineer building production SaaS platforms — APIs, data modeling, payment infrastructure, and AI integrations — for U.S.-based companies.
$ whoami
serob-khurshudyan
$ role
Senior Full Stack Engineer
$ focus
Node.js · PostgreSQL · AI Integrations
$ location
Gyumri, Armenia
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About
5+ years of experience designing, building, and owning production SaaS platforms for U.S.-based companies, with a strong backend focus. Specializes in Node.js/NestJS API design, PostgreSQL data modeling, payment infrastructure (Stripe, Chargebee), and production AI integrations (Claude, OpenAI). Comfortable owning a feature from architecture through deployment.
Tech Stack
Languages
Backend
Frontend
Databases
Auth
Payments
AI / LLM
Cloud / DevOps
Experience & Projects
Senior Full Stack Engineer · Confidential US PropTech SaaS Client
Apr 2026 – PresentContract · via Toptal
- Own backend architecture for a real estate SaaS platform built on NestJS APIs with PostgreSQL and Supabase.
- Implemented Magic Link authentication and billing across Stripe and Chargebee.
- Built AI-powered property analysis features using the Claude API.
- Integrated third-party services including Persona, Twilio, and DocuSeal.
- Delivered the customer-facing frontend with Next.js App Router.
NestJSPostgreSQLSupabaseStripeChargebeeClaude APINext.jsSenior Full Stack Developer · AppsGeyser
Jan 2024 – PresentFull-time
- Build backend services and REST APIs powering core product features.
- Handle async processing with BullMQ and Redis, plus a Redis caching layer.
- Develop automation and webhook services.
- Led a Next.js migration of legacy features.
- Maintain PostgreSQL/MySQL infrastructure on Nginx/Linux.
Node.jsBullMQRedisNext.jsPostgreSQLMySQLNginxFrontend Engineer · Software Development Hub (SDH)
2025 – 2026Contract · Pharmacy-One project
- Built a healthcare dashboard with React, TypeScript, Vite, and Tailwind CSS.
- Integrated the frontend with a Django REST API backend.
- Implemented role-based access control (RBAC).
- Delivered analytics dashboards with real-time updates.
ReactTypeScriptViteTailwind CSSDjango RESTRBACFull Stack Developer · Metacade
Jul 2023 – Dec 2023Contract · Web3
- Built a Web3 application with Next.js, React, and TypeScript.
- Implemented blockchain wallet integration.
- Built Web3 authentication flows.
Next.jsReactTypeScriptWeb3Full Stack Developer · Gauge Automotive
Jan 2023 – Jun 2023Full-time
- Built automotive management software with React, Node.js, and PostgreSQL.
- Developed dashboards and scheduling tools.
- Built REST APIs with role-based access control.
ReactNode.jsPostgreSQLREST APIsRBACAI App Builder Platform · Independent Project
Personal · Founder & Architect
- Designed the system architecture for an AI-powered app builder.
- Built the backend with NestJS, PostgreSQL, and Prisma.
- Built a Docker-based build pipeline.
- Designed queue architecture for mobile build orchestration.
NestJSPostgreSQLPrismaDockerQueues
Education
Bachelor's Degree
Armenian State University of Economics (ASUE)