Full Stack Developer

emagine; Warszawa; Hybrid; PLN 205,000 - 291,000; Full time

Benefits offered by this job

B2B Contract

Hybrid from office Warszawa

Rate: 180 PLN/h + VAT

Job summary

emagine, Warsaw, is seeking a skilled Full Stack Developer to build a data-rich web application using React, TypeScript, and Node.js. You will implement front-end interfaces from UI/UX designs and develop a robust backend that handles large datasets with SQL and cloud services.

The role emphasizes data integrity, secure access, audit logging, and collaboration with analysts and designers. Hybrid work from the Warszawa office is offered, with a B2B contract and a competitive hourly rate.

Qualifications

• Strong experience building full-stack apps with React, TS and Node.js.
• Proven ability to deliver production-grade web apps.
• Solid SQL skills, with joins and aggregations.
• Experience integrating frontend with backend services.
• Experience writing unit and integration tests.
• Knowledge of web accessibility best practices.
• Ability to translate designs into working software.

Responsibilities

• Build the React and TypeScript interface from UI/UX designs and develop the Node.js backend.
• Write SQL queries to retrieve data displayed in the application.
• Connect the application to Databricks objects for data analysis and monitoring.
• Implement audit logging of user actions.
• Ensure the interface is accessible and performs well with large datasets.
• Write unit and integration tests for frontend and backend.
• Collaborate closely with UI/UX designers and analysts.

Skills

React

TypeScript

Node.js

SQL

Unit testing

Integration testing

Web accessibility

Tools

Databricks

Azure

Playwright

Vitest

Job description

Introduction & Summary

We are seeking a Full Stack Developer/Engineer to join our team. The ideal candidate will have strong professional experience in building full-stack web applications utilizing React, TypeScript, and Node.js. You will play a vital role in developing a web application that facilitates financial analysts in reviewing, investigating, and correcting processing results while ensuring data integrity and compliance with access rights.

What we offer

• B2B Contract ( first till 06.2027 + prolangations)
• Hybrid from office Warszawa
• Rate: 180 pln/ h + VAT

Main Responsibilities

• Build the React and TypeScript interface from the UI/UX designs and develop the Node.js application backend.
• Write SQL queries to retrieve data displayed in the application.
• Connect the application to Databricks objects for efficient data analysis and monitoring.
• Implement audit logging of user actions.
• Ensure the interface is accessible and performs well with large datasets.
• Write unit and integration tests for both frontend and backend.
• Collaborate closely with UI/UX designers and analysts.

Key Requirements

• Strong professional experience building full-stack web applications with React, TypeScript, and Node.js.
• A track record of delivering reliable, performant, production-grade applications.
• Good SQL skills, including joins, aggregations, and query performance optimization.
• Experience integrating web interfaces with backend services.
• Experience writing unit and integration tests for frontend and backend code.
• Experience implementing audit logging and secure application development.
• Good knowledge of web accessibility principles.
• Ability to translate designs and business requirements into functional software.

Nice to Have

• Experience building data-heavy applications for internal business users.
• Familiarity with Databricks, Databricks AppKit, or Microsoft Azure.
• Experience with financial or other business-critical applications.
• Experience using Playwright/Vitest for testing.