Senior Full-Stack Engineer (React & Python) – Amsterdam

Syntera; Amsterdam; On-site; EUR 60,000 - 80,000; Full time

Job summary

A YC AI Scale-up in Amsterdam is seeking a Full Stack Engineer with expertise in React.js, TypeScript, and Python. This on-site role involves developing core product features and collaborating closely with the team to drive innovation. Candidates should have 3+ years of experience in full-stack development and be fluent in English. This position offers a unique opportunity to contribute significantly to an early-stage startup.

Qualifications

• 3+ years of experience in full‑stack development, preferably as a Senior Software Engineer.
• Proven knowledge of TypeScript, React, and server-side development.
• Experience designing multi-tenancy SaaS products.

Responsibilities

• Develop core product features on both the frontend and backend.
• Collaborate with founders and customers for new features.
• Maintain and improve the codebase's performance.

Skills

Full-stack development

React.js

TypeScript

Server-side development

SaaS product design

Fluent English

Tools

Cursor

Windsurf

Claude

IntelliJ

Junie

Job description

A YC AI Scale-up in Amsterdam is seeking a Full Stack Engineer with expertise in React.js, TypeScript, and Python. This on-site role involves developing core product features and collaborating closely with the team to drive innovation. Candidates should have 3+ years of experience in full-stack development and be fluent in English. This position offers a unique opportunity to contribute significantly to an early-stage startup.