Fullstack Developer Medium
Confidential
Posted: March 30, 2026
Interested in this position?
Create a free account to apply with AI-powered matching
Quick Summary
We are looking for a Fullstack Developer to design, develop, and maintain modern web applications using React.js and Next.js, with a strong focus on scalability and performance.
Required Skills
Job Description
ABOUT SAMY
SAMY is a global network of independent marketing and communications agencies, using research, technology, strategy, creativity, and performance to deliver impactful, data-driven solutions and drive growth for brands. With over 1000 employees in 15+ offices across 18 countries (Europe, U.S., Latin America) and operating in 55 markets, SAMY serves over 100 leading clients, specializing in award-winning, end-to-end digital campaigns.
MISSION
Design, develop, and maintain modern web applications using React.js and Next.js, ensuring high-quality, scalable user experiences aligned with business needs. This role will work closely with product, design, and engineering teams, contributing to architectural decisions and helping strengthen both front-end and back-end capabilities. As an added value, experience or knowledge of Salesforce Marketing Cloud will be considered a plus to support integrations or initiatives within the company’s digital ecosystem.
JOB FUNCTIONS
• Develop, optimize, and maintain production web applications using React.js and Next.js, including SSR, SSG, and ISR where applicable.
• Build reusable components, design systems, and a scalable front-end architecture.
• Implement and integrate APIs (REST/GraphQL), managing authentication, authorization, and secure data flows.
• Contribute to back-end development within a full-stack scope, including endpoint creation, data modeling, and integrations.
• Ensure best practices in performance, accessibility, and SEO across web applications.
• Write and maintain automated tests (unit, integration, and end-to-end), while ensuring quality standards within CI/CD pipelines.
• Actively participate in code reviews, technical discussions, estimations, and delivery planning.
• Diagnose and resolve production issues, improving application observability and reliability.
• Manage and work with Salesforce Marketing Cloud, including creating and optimizing journeys, structuring and handling Data Extensions, and defining segmentation and automation strategies.