100% remote | General team | Full-time
If you're looking to work oncutting-edge AI products, solvechallenging problems, and be part of a fast-moving,high-talent team, you'll love it here.
We buildAI-powered web and mobile appsfor big brands and fast-moving startups.
We do high-quality work, and we do it right.
We focus on products with a positive impact in various domains fromsports and health, to logistics and nuclear.
But if you're into gambling, adult entertainment, or crypto, we're not your place.
Lead, not just code— Seniors at NineTwoThree don't just write great code—they lead projects, guide teams, and ensure execution quality:
Lead projects end-to-end — from technical strategy to execution
Guide and mentor engineers, ensuring quality while delivering fast
5+ years of experience in Full Stack Software Development (React, Node.js, JavaScript, TypeScript, SQL)
Strong knowledge of cloud platforms (AWS, Azure or GCP)




Clear and thorough understanding of design patterns and software development best practices
Experience with React.js, Node.js, JavaScript and Typescript (at least 5 years);
Leaders who ensure execution quality, push teams forward, and keep projects on track
Relational and no-SQL databases — MySQL, PostgreSQL, Redis etc;
Solid understanding of principles of JavaScript/TypeScript languages
Ability to freely express/present/discuss ideas in English (B2-C1 level)
If you're looking for a pure coding role where someone else makes the decisions, this isn't it.
Paid sick leave, 10 national holidays and 2 company days-off
Well-being budget
Health Insurance allowance
Reimbursement of expenses for professional development courses/certifications (up to 100% in agreement with the Manager)

📌 Senior Full Stack Engineer (JS/TypeScript) (Melilla)
🏢 NineTwoThree AI Studio
📍 Melilla