Senior JavaScript/Node.js MCP Developer (FinTech Project)
Sigma Software
Company Description
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We are seeking a highly skilled Node.js expert, who excels as a collaborative team member. The role goes beyond coding, encompassing responsibilities such as handling feature aspects, specifications, technical design, development, testing, documentation, and maintenance.
**CUSTOMER**
Our client has rapidly become one of Europe's most swiftly expanding FinTech companies. They oversee all aspects of financial operations, from generating virtual cards to facilitating wire transfers and maintaining customer account balances. As a payment institution, our client provides a platform that integrates financial services into its product, offering features such as account management, card payments, bank transfers, and additional services.
Job Description
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* Design and implement large-scale software solutions and components using multiple technologies, with a primary focus on Node.js and ReactJS
* Maintain a consistently high level of quality throughout all stages of the development
* Communicate effectively to collaborate closely with the team and gain full context for complex tasks
* Follow the best engineering practices, as well as company and client guidelines
* Play supervisory, advisory, and coaching roles for less-experienced engineers on the team
* Promote clean code, as well as design patterns and principles
Qualifications
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* Over 5 years of experience in Back-end software development
* At least 3 years of experience with TypeScript
* Over 4 years of experience working with Node.js
* Practical understanding of MCP architecture and agentic system design
* Experience with security aspects of AI Agentic systems and MCP integrations
* Strong experience in designing distributed and secure systems
* Good Front-end development skills
* Good understanding of microservices architectures
* Experience in designing, building, and maintaining APIs
* Experience in building and consuming REST and/or GraphQL APIs
* Familiarity with DevOps practices
* Strong experience working with AWS
* Good knowledge of testing best practices
* At least an Upper-Intermediate level of English
**WOULD BE A PLUS**
* Experience with modern JavaScript and ES6 libraries
