Senior Full-Stack Engineer

2 weeks ago

Tel Aviv, Tel Aviv, Israel ENI-ONE LTD Full time ₪120,000 - ₪180,000 per year

Tel Aviv or Haifa | Hybrid / In-Office

About Us:

We are a fast-growing AI SaaS company in the iGaming space, helping operators deliver better, more human customer experiences. Our stack blends , React, modern databases, and LLM-powered services to create AI agents that solve real player issues with empathy and compliance. We're looking for a Senior Full-Stack Engineer who can be a core contributor — someone equally strong in polishing frontends and delivering robust backend functionality end-to-end.

The Role:

This role is for a builder who thrives on taking features from concept to production. You'll create smooth, high-quality user experiences in React while also ensuring the backends and databases that power them are solid, secure, and scalable. You'll integrate LLM-based workflows, mentor peers in code reviews, and raise the overall engineering bar.

What You'll Do:

  • Frontend Excellence: Build highly usable, polished UIs in , ensuring smooth interactions and a professional look-and-feel.
  • Backend Depth: Design and implement secure, reliable APIs and services in , with robust database integrations (SQL + NoSQL).
  • Deliver end-to-end functionality: from UI to backend to database to deployment.
  • Integrate and optimize LLM-based services and AI workflows into the core product.
  • Peer-review code, mentor mid-level engineers, and drive best practices in both frontend and backend development.
  • Collaborate closely with Product and Design to turn requirements into scalable, production-ready features.
  • Own features across the lifecycle: design → code → test → deploy → monitor.

What We're Looking For:

  • 5+ years of experience in full-stack product engineering.
  • Strong, proven skills in — with a portfolio or track record of building smooth, polished user interfaces.
  • Deep backend expertise with and API design, plus experience in relational and non-relational databases.
  • Experience integrating LLM APIs or AI/ML-driven systems is a strong plus.
  • Familiarity with DevOps and cloud (CI/CD, Docker, cloud hosting).
  • A strong eye for detail in the frontend, and a disciplined approach to backend architecture.
  • Track record of owning features end-to-end in production SaaS environments.
  • Based in Israel (Tel Aviv or Haifa area), with ability to work hybrid.

Why Join Us:

  • Be a core engineering voice in a scaling AI company.
  • Ship polished features that directly impact thousands of users worldwide.
  • Work with cutting-edge LLM and AI integrations in real-world production systems.
  • Hybrid flexibility, competitive compensation, and high ownership culture.
  • A team that values speed, polish, and technical excellence.

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