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Full-stack software engineer,
building with AI.

I'm Yassine, a full-stack engineer focused on AI agents and the backend systems behind them. I'm CTO of Soorce AI, and I co-founded Seleqt and Repeto, which were both acquired.

Acquired
Seleqt
65 paying customers
Acquired
Repeto
3K users in 2 weeks
Product of the Day
#3
Repeto · 212 upvotes
Used by
100+ orgs
Soorce AI
Monthly active
30K+
users · freelance clients
1/5 Create a vacancy

7 products built end to end. 6 generated revenue and 2 were acquired.

More products

5 more

Skills

What I work with

Every skill below shipped in at least one of the products on this site. The dots show which ones; hover a skill or a product to trace it.

Backends in Python and Node.js

Django backends for Soorce AI, Seleqt and Repeto; Node.js and Express backends for Trailing.io, Hyre.io and freelance work.

Queues, schedulers & pipelines

A campaign planner under per-account limits, an LLM screening pipeline at 11K+ profiles a day, Celery jobs over WebSockets.

AI agents & LLM products

A web research agent that qualifies leads, an LLM screening pipeline at 11K+ profiles a day, RAG for chat over documents, and an MCP server so AI assistants can use Soorce AI.

Postgres & Supabase

Row-level security, locked credit debits, 40+ Edge Functions, webhook-driven flows and Realtime.

Payments & integrations

Stripe in six of these products, LinkedIn automation, HubSpot and other CRMs, enrichment providers, Chrome extensions.

Shipping whole products

Web, a Chrome extension and a native iOS app, from schema to UI, with demos of each on this site.

· the logos next to each skill show where I used it

Backend

  • PythonSoorce AI logoSeleqt logoRepeto logo
  • DjangoSoorce AI logoSeleqt logoRepeto logo
  • Node.js / ExpressTrailing.io logo
  • Job queues & schedulersSoorce AI logoSeleqt logoRepeto logo
  • WebSocketsSoorce AI logoSeleqt logoRepeto logoTrailing.io logo
  • Public APIs & webhooksSoorce AI logoSeleqt logoSynce logo22night logo
  • OAuth2Soorce AI logoSeleqt logoTrailing.io logo
  • Serverless functionsSynce logo22night logoMorningpass logo

Data

  • PostgreSQLSynce logo22night logoMorningpass logoTrailing.io logo
  • MySQLSoorce AI logoSeleqt logoRepeto logo
  • RedisSoorce AI logoSeleqt logoRepeto logo
  • SupabaseSynce logo22night logoMorningpass logo
  • Vector storesSeleqt logoRepeto logo
  • SwiftDataMorningpass logo

AI & LLMs

  • LLM structured outputsSoorce AI logoSeleqt logo
  • RAGRepeto logo
  • LLM streamingRepeto logoTrailing.io logo
  • OpenAISoorce AI logoSeleqt logoRepeto logoTrailing.io logo
  • Google GeminiSeleqt logoMorningpass logo
  • MCPSoorce AI logo

Frontend

  • ReactSoorce AI logoSeleqt logoSynce logo22night logoRepeto logoTrailing.io logo
  • TypeScriptSoorce AI logoSeleqt logoSynce logoRepeto logoTrailing.io logo
  • Next.jsRepeto logo
  • Tailwind CSSSoorce AI logoSeleqt logoSynce logo22night logoRepeto logoTrailing.io logo
  • State managementSoorce AI logoSeleqt logo22night logoRepeto logoTrailing.io logo
  • Chrome extensionsSoorce AI logoSeleqt logoSynce logo

Mobile

  • Swift / SwiftUIMorningpass logo
  • Apple frameworksMorningpass logo
  • Mobile-first web22night logo

Payments & integrations

  • StripeSoorce AI logoSeleqt logoSynce logo22night logoRepeto logoTrailing.io logo
  • LinkedIn automationSoorce AI logoSeleqt logo
  • CRM integrationsSeleqt logoSynce logo
  • Transactional emailSeleqt logo22night logoRepeto logoTrailing.io logo
  • Product analyticsSeleqt logoSynce logo22night logoMorningpass logoRepeto logo

Infra & delivery

  • DockerSoorce AI logoTrailing.io logo
  • VercelSoorce AI logo22night logo
  • CI/CDMorningpass logoTrailing.io logo
  • Automated testingSoorce AI logoSeleqt logoMorningpass logo

Also, outside these seven products: Kubernetes and Azure DevOps CI/CD (Sterck!) · Laravel and Angular (Sterck!) · React Native and Expo · Elasticsearch · Express + LangChain RAG (Hyre.io) · C, flex and bison (compiler, university) · PyTorch and OpenCV (university)