Full Stack Developer – Java, React

Job not on LinkedIn

🕒 March 25

🏢🏡 Paris – Hybrid

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

🗣️🇫🇷 French Required

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Logo of MARGO

MARGO

WebsiteLinkedIn

201 - 500 employees

Founded 2005

🤖 Artificial Intelligence

💳 Fintech

Artificial Intelligence • Fintech • Digital Transformation

MARGO is a digital consulting firm specializing in high-complexity IT missions across various sectors. As data, AI, and digital experts, MARGO partners with ambitious clients to drive progress through digital transformation. With a focus on industries such as finance, insurance, energy, and technology, MARGO provides expertise in artificial intelligence, cloud transformation, data architecture, and software engineering.

📋 Description

• Design and develop full‑stack features using Java 21 and React • Participate in a full redesign of the user interface • Help modernize the backend (upgrade from Java 11 to 17, then to 21; framework evolution) • Contribute to application architecture and make foundational technical decisions • Work directly with end users to understand their needs • Own your topics end-to-end, from design through production rollout • Ensure the quality of deliverables: robustness, performance, and maintainability

🎯 Requirements

• At least 5 years of experience in software development • Strong proficiency in Java (in modern backend environments) and React for frontend development • Experience working on production systems with high volume or criticality requirements • Comfortable working autonomously and taking ownership of end‑to‑end topics • Eager to understand the functional/business stakes behind technical solutions • Proactive and comfortable challenging the status quo and proposing improvements

🏖️ Benefits

• Ambitious and varied assignments, selected for their clear added value • Close mentorship and support from recognized experts • A community of passionate engineers with regular workshops, conferences, and knowledge sharing • A culture of technical excellence, knowledge sharing, and continuous professional development

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