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R/S

Seoul, South Korea · Available for full-time roles

Rayan
Sekkat.

Full-Stack Engineer

Backend Engineering · Cloud & DevOps

I build reliable products end-to-end, from architecture and API design to deployment, observability and production support.

View case studies →Download CV

Proven in production

5+ years
Full-Stack & DevOps experience
170+
CI/CD pipelines supported per day
30%
less release time via Kubernetes & Ansible automation
Seoul
based in Korea, seeking a long-term engineering role

Selected case studies

Featured

GoodCall

A multilingual esports prediction platform for League of Legends, Valorant, CS2 and Rocket League.

Role

Creator & Full-Stack Engineer: mobile and backend architecture, product, and deployment workflows.

Challenge

Settling predictions against live match data without double-crediting points or corrupting standings when providers resend or correct results.

Stack

  • TypeScript
  • React Native
  • Expo
  • NestJS
  • PostgreSQL
  • Prisma
  • Redis
  • Docker
  • GitHub Actions
  • pnpm
  • Turborepo

Engineering decisions

  • Provider ingestion layer normalizing external esports match data.
  • Versioned scoring engine so rule changes never rewrite past results.
  • Idempotent match settlement: reprocessing a result is always safe.
  • Append-only points ledger as the audit trail for every balance.
  • Global, regional and private-league leaderboards.
  • CI/CD with feature branches, pull requests, code reviews and GitHub Actions.
Visit goodcall.gg

Pick4Me

Delivery and collaborative-shopping marketplace.

Built mission workflows, real-time chat and notifications, helper operations, location tracking and payment flows.

Stack

  • NestJS
  • PostgreSQL
  • Prisma
  • Redis
  • Socket.IO
  • Stripe
  • FCM
Visit pick4me.be

Pont Factur-X

AI-powered B2B invoice SaaS.

Built document extraction pipelines, API logic, structured e-invoice generation and subscription monetization.

Stack

  • FastAPI
  • PostgreSQL
  • Redis
  • Docker
  • MinIO
  • Stripe
  • Mistral AI
Visit pont-facturx.com

Experience

  1. 2025 - Present

    Independent Full-Stack / DevOps Engineer

    Freelance · Seoul / Remote

    • Architect and deliver SaaS products, web/mobile applications and automation workflows from scoping to production.
    • Backend services with NestJS/FastAPI, PostgreSQL/Prisma, Redis, real-time events and external API integrations.
    • Own Docker/VPS/AWS deployments, CI/CD, monitoring, security and production incident resolution.
    • Stripe payment flows: pre-authorization, capture, refunds, subscriptions and webhook processing.

  2. Jan 2024 - Dec 2024

    DevOps Engineer

    STMicroelectronics, via Davidson Consulting

    • Administered a GitLab CI/CD platform supporting 170+ embedded software pipelines per day.
    • Automated deployments with Kubernetes and Ansible, reducing release time by 30%.
    • Infrastructure as code with Terraform across hybrid AWS environments.
    • Monitoring and observability with Prometheus, Grafana and Alertmanager.

  3. Sep 2020 - Sep 2023

    Full-Stack Developer / DevOps Apprentice

    UNYC

    • Built internal web platforms centralizing service status, operational data and customer-facing information.
    • Worked across database modeling, frontend/backend development, automated testing and production delivery.
    • Implemented CI/CD pipelines, containerized deployments and microservice-based applications.

Capabilities

Backend
TypeScript · JavaScript · Node.js · NestJS · Express · Python · FastAPI · Django/DRF · REST APIs · WebSockets
Frontend & Mobile
React · Next.js · React Native · Expo · Vue.js · Nuxt · Angular · Tailwind CSS
Data
PostgreSQL · MongoDB · Prisma · Redis · MinIO/S3
Cloud & DevOps
Docker · Kubernetes · GitHub Actions · GitLab CI · Terraform · Ansible · AWS · VPS · Nginx · Prometheus · Grafana
Integrations
Stripe · Revolut Business · SendGrid · FCM · third-party APIs · automation workflows

Education

  • EPSI Graduate School

    Master's Degree in Computer Science Engineering, 2018 - 2023

  • Yonsei University · Korean Language Institute

    Korean Language Program, Seoul, 2025

Languages

  • French (native)
  • English (fluent, C1)
  • Korean (elementary, actively improving)

Looking for my next engineering team in Korea

Based in Seoul, available immediately, and looking for a long-term full-time role. If your team needs an engineer who owns products from architecture to production, let's talk.

rayan.sekkat@gmail.comLinkedInDownload CV (PDF)