Senior Fullstack Developer – AI SaaS Builder

Jobtailor; Valbonne; Sur place; EUR 65 000 - 90 000; Plein temps

Résumé du poste

Jobtailor is seeking a highly capable Fullstack Developer in Provence-Alpes-Côte d’Azur to turn visionary ideas into scalable SaaS products. You will build end-to-end solutions using Next.js, React, and TypeScript, and you will integrate AI APIs to automate complex workflows while collaborating directly with the founders.

Ideal candidates bring 3+ years of production experience, strong PostgreSQL and serverless architecture skills, and a proven ability to ship code confidently without

Qualifications

• 3+ years of fullstack development with production products.
• Proven expertise in Next.js, React, and TypeScript.
• Strong PostgreSQL and serverless architecture experience.
• Experience integrating AI APIs (OpenAI/Claude) and embeddings.

Responsabilités

• Translate founders' vision into high-impact SaaS features.
• Build end-to-end SaaS products in rapid sprints.
• Maintain boilerplate and shipping processes.
• Lead multiple projects in parallel while delivering quality.
• Collaborate with stakeholders to shape technical decisions.

Connaissances

Next.js

React

TypeScript

Fullstack development

AI API integration (OpenAI/Claude)

Serverless architectures

Autonomy

Non-technical stakeholderCommunication

Product mindset

Outils

PostgreSQL

AI tooling integration

Description du poste

Responsibilities

• Turn entrepreneurs' visions into high-impact products that gain traction
• Build end-to-end SaaS products from A to Z in rapid sprints
• Implement intelligent AI agents that automate complex workflows
• Work directly with the founders to understand their vision and translate it into features that generate traction
• Maintain our in-house boilerplate and contribute to the continuous improvement of our shipping processes
• Manage two projects in parallel without sacrificing quality (yes, we’re ambitious)
• Participate in strategic technical decisions that directly impact the success of our SaaS products

Requirements

• 3+ years of fullstack development experience with production products
• Deep expertise in Next.js, React, and TypeScript (you can code almost with your eyes closed)
• Strong experience with PostgreSQL and serverless architectures
• Proven ability to integrate AI APIs (OpenAI, Claude, embeddings, structured outputs, RAG, agnostic connectors, memory, etc.)
• Full autonomy: you understand a business need and turn it into a technical solution without hand-holding
• Shipping-obsessed: you prioritize working code in production over perfect code on localhost
• Direct communicator: you can explain technical concepts to non-technical stakeholders without condescension

Core Competencies

Demonstrates expertise in Fullstack Development, particularly with Next.js, React, and TypeScript, while effectively managing multiple projects and translating business needs into technical solutions. Proficient in integrating AI APIs and optimizing SaaS product shipping processes.