React Developer with Node.js

Sii PolandWarszawa, Województwo mazowieckie, Polska

13 days ago

Job description

Join to apply for the React Developer with Node.js role at Sii Poland .

The project involves developing an internal platform—a central API directory for a banking organization—using Backstage, an open-source developer portal built with TypeScript and React. The team’s goal is to extend platform functionality to support developers, analysts, and operations teams in their daily work with APIs.

Your tasks

Development and maintenance of front-end components in React + TypeScript
Implementation of logic on the Node.js side
Integration of catalog with key banking systems (product, billing, authorization)
Creation and maintenance of configuration in YAML
Participation in the design of new functionalities and platform enhancements
Implementing API validation, reporting, and relationship management mechanisms
Collaborating with development, analysis, and operations teams

Requirements

Minimum 3 years of commercial experience in React + TypeScript

Good knowledge of Node.js

Practical knowledge of YAML

Experience working with Backstage platform

Ability to work with Git repositories and CI / CD tools

Good knowledge of English to work freely in an international team

Residency in Poland and knowledge of Polish language required

Nice to have

Experience in system integrations

Familiarity with container environments (Docker, OpenShift)

Understanding of microservices architecture and API management

Benefits for You

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

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React Developer • Warszawa, Województwo mazowieckie, Polska

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