Senior JavaScript/Node.js MCP Developer – FinTech

About the role

We are looking for a senior JavaScript/Node.js developer to join a fast‑growing FinTech client. The role focuses on building large‑scale, secure financial services platforms, integrating virtual cards, wire transfers and account management.

Key responsibilities

• Design and implement high‑performance components using Node.js, ReactJS and TypeScript.
• Maintain code quality through testing, documentation and adherence to engineering best practices.
• Collaborate closely with product and design teams to translate specifications into robust solutions.
• Mentor junior engineers, provide technical guidance and promote clean‑code principles.
• Ensure security and reliability of AI‑agentic and MCP integrations.

Required profile

• 5+ years of back‑end development experience.
• 4+ years of professional Node.js experience and 3+ years with TypeScript.
• Strong understanding of microservices, distributed systems and API design.
• Upper‑intermediate English communication skills.

Required skills

• Node.js
• ReactJS
• TypeScript
• MCP architecture & agentic system design
• Security for AI‑agentic systems
• REST and GraphQL APIs
• Microservices architecture
• DevOps practices
• AWS cloud services
• Automated testing frameworks