Software Engineer

JUST; Paris; In loco; EUR 55.000 - 85.000; Tempo pieno

Descrizione del lavoro

JUST is expanding its Tech & Product team in Paris, building a plug‑and‑play checkout experience for merchants. You will contribute to scalable web apps, touching both frontend and backend, and collaborating with product, design, and engineering teams to deliver high-quality solutions.

The role requires 2+ years as a full‑stack engineer, strong JS/TS skills, and experience with modern frameworks (React/Angular/Vue) plus Node-based backends. AWS serverless experience is a plus.

Competenze

• At least 2 years of experience as a full‑stack engineer in ecommerce or fintech.
• Strong knowledge of modern web development and JavaScript/TypeScript.
• Proficiency with React, Angular, or Vue.js and back-end Express or Django.
• Experience with serverless architecture is a big plus.
• Familiarity with cloud services (AWS, GCP) and Docker is a bonus.

Mansioni

• Develop scalable, high-performance web applications for a seamless e-commerce checkout experience.
• Work across frontend and backend to ensure high-quality code and system reliability.
• Collaborate with cross-functional teams to design and implement new features aligned with business goals.
• Incorporate innovative technologies and best practices to continuously enhance our platform.

Conoscenze

JavaScript/TypeScript

Full-stack development

React

Angular

Vue.js

Formazione

Bachelors in CS/SE

Advanced degree or cert in full‑stack

Strumenti

Docker

AWS

GCP

GitHub Actions

Datadog

Sentry

Express

Django

Descrizione del lavoro

Software Engineer

Location: Paris HQ

Department: Tech & Product

Required Experience: > 2 years

Status: Published

We are building a plug‑and‑play checkout experience that combines high-performance checkout with marketing triggers, enabling merchants to increase revenues and margins by 10‑15%. We serve over 500 merchants in France and are expanding to the UK.

What is the focus of the role?

• Develop scalable, high-performance web applications for a seamless e‑commerce checkout experience.
• Work across both frontend and backend, ensuring high-quality code and system reliability.
• Collaborate with cross‑functional teams to design and implement new features aligned with business goals.
• Incorporate innovative technologies and best practices to continuously enhance our platform.

How About You and Your Approach to the Role?

• Strong education in Computer Science, Software Engineering, or a related field; advanced degree or certifications in full‑stack development is a bonus.
• At least 2 years of experience as a full‑stack engineer, ideally within e‑commerce or fintech environments.
• Strong knowledge of modern web development, with proficiency in JavaScript/TypeScript.
• Highly proficient with modern frameworks such as React, Angular, or Vue.js, and back‑end frameworks like Express or Django; experience with serverless architecture is a big plus.
• Enjoy cross‑functional collaboration, working closely with product, design and engineering teams to deliver high-quality solutions.
• Lead initiatives to improve team efficiency and product development processes.
• Bonus: familiarity with cloud services such as AWS, GCP, containerization (Docker) and microservices architecture.

Our Stack

• Frontend: React, Next.js, TypeScript
• Backend: Node.js, Serverless architecture (AWS Lambda), REST and GraphQL APIs
• CI/CD: GitHub Actions
• Hosting & Monitoring: AWS, Datadog, Sentry

This is a full-time, permanent position with competitive benefits. If this sounds like a fit, please submit your application.