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Sigma Software Group

Senior JavaScript/Node.js MCP Developer (FinTech Project)

Kraków, Lesser Poland Voivodeship, PolandPosted 1 weeks ago
Full-timeremoteMid-Senior Level
No longer available

Job Description

  • 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 
  • 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 
  • Experience with AI Agentic systems and MCP (Model Context Protocol) 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 
Senior JavaScript/Node.js MCP Developer (FinTech Project) at Sigma Software Group | Renata