Fullstack Engineer (React) – Italia

Darwin Recruitment; Lombardia; Remote; EUR 83,000 - 131,000; Full time

Job summary

DRWN is seeking a Senior Full-Stack Developer (React / Java) to join the Italian engineering team. The role focuses on frontend, building features end-to-end in a Fintech SaaS platform, and collaborating on API design for web and mobile.

You will work with React, Java, and modern tooling in a fully remote team, contributing to planning, code reviews, and technical decisions. Strong English and Italian are required.

Qualifications

• Senior full-stack developer with frontend emphasis.
• Strong React and JavaScript (TypeScript a plus).
• Backend experience in recent Java version (Java 21+).
• Experience designing and building APIs/services for web and mobile.
• Background building SaaS or web products.

Responsibilities

• Build features end-to-end across React frontend and Java backend.
• Lead on frontend quality and performance improvements.
• Design APIs that serve web and mobile clients; participate in API planning.
• Contribute to planning, code review, and technical decision-making.

Skills

Front-end focus

React

JavaScript/TypeScript

Java 21+

API design

SaaS/Web apps

Multilingual IT/EN

AWS

DevOps collaboration

AI tools

Job description

Senior Full-Stack Developer (React / Java) (DRWN)

Job title – Senior Full-Stack Developer (React / Java)

Remote work offering – 100%

Client Industry – Fintech

Contract Length – 10-12 months, with scope to extend

Contract type – Freelance

Project focus

Join the Italian engineering team of an established, fast-growing Fintech business whose SaaS web and mobile platform is used by millions of people across Europe. You will work across the React front end and Java back end, with a front-end focus, as a fully embedded member of the team: building features end to end, leading on front-end quality, designing APIs that serve web and mobile, and taking part in planning, code review and technical decisions.

Key skills and Experience required

• Senior commercial experience as a full-stack developer, leaning towards the front end
• Strong React and JavaScript (TypeScript a plus), including component design, state management and performance
• Experience in backend development in a recent Java version (Java 21+)
• Experience designing and building APIs and services for web and mobile products
• Background building SaaS or web products
• Fluent, professional Italian and English
• AWS exposure and experience working alongside DevOps teams is a plus
• Comfortable with AI-assisted development tools is a plus