Senior JavaScript/Node.js MCP Developer (FinTech Project)
Sigma Software
full-time
Computer Occupations
Location
Kraków, Lesser Poland Voivodeship, Poland
Posted
May 31, 2026
Job Description
Job Description
Qualifications
- 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
- 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) integ...