Fullstack Developer (Node.js & Typescript)

6 924.71 - 8 771.30 USDNet per month - B2B
JavaScript

Fullstack Developer (Node.js & Typescript)

JavaScript
Warszawa (Centrum), Warszawa

7N

Full-time
B2B
Mid
Hybrid
6 924.71 - 8 771.30 USD
Net per month - B2B

Job description

About the Project:

 

Our client is a Swedish fintech company expanding in Poland.

 

This project focuses on developing a data and analytics platform designed to revolutionize investment decision-making by leveraging machine learning and strategic data. As a Fullstack Engineer, you will design, develop, and maintain scalable solutions, collaborating with cross-functional teams to ensure the delivery of high-quality features.

 

Work Mode: Hybrid – 2/3 days in the Warsaw office  



Job Responsibilities:


  • Collaborate with cross-functional teams to ensure the delivery of high-quality features.
  • Contribute to all stages of the development lifecycle.
  • Design, develop, and maintain scalable solutions that support investment operations.
  • Leverage machine learning and strategic data to deliver exceptional insights.
  • Work closely with passionate professionals who believe in collaboration, innovation, and making a meaningful impact.
  • Ensure the platform's scalability and performance through continuous improvement and optimization.



Expectations:


Must have:

  • 4+ years of experience developing production-grade applications using TypeScript and Node.js
  • Strong understanding of HTML, CSS, and design principles
  • Knowledge of database management with SQL and PostgreSQL
  • Experience with software craftsmanship practices, including automated testing, pair programming, and peer review
  • Ability to write and integrate APIs in various formats such as GraphQL and Rest


Nice to have: 

  • Experience with Google Cloud Platform (GCP) and DevOps practices.
  • Familiarity with cloud-native development and scalable system architectures.


We offer:


  • Ongoing support from a dedicated agent who is caring about your project continuity, contact with clients, necessary formalities, work comfort, and development. 
  • Career Development Program – advice on career planning based on the latest trends and market needs in IT, including consultations with career agents and mentors. 
  • Access to 7N Learning & Development – a development and educational platform offering webinars, a library of articles and industry reports, and frequent invitations to both one-time and recurring events focused on technical, business, and lifestyle topics. 
  • Spectacular events, both for you (e.g., annual Kick-Off trip, Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g. family picnics), 
  • Professional growth Professional growth beyond your current project. You can actively engage in knowledge sharing through the 7N Services offering, designed for 7N clients. 
  • Connections and access to the expertise of top IT professionals in the market – the average professional tenure of our consultants in Poland is over 10 years, 
  • A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad. 

 

Tech stack

    PostgreSQL

    regular

    TypeScript

    regular

    REST

    regular

    Node.js

    regular

    HTML

    regular

    CSS

    regular

    SQL

    regular

    GraphQL

    regular

    GCP

    nice to have

Office location

Published: 24.02.2026

About the company

7N

Ciągłe szukanie nowych projektów IT, negocjacje stawek, brak realnego wsparcia w rozwoju - brzmi znajomo? Freelancing ma wiele zalet, ale nie zawsze jest „bułką z masłem”. Doskonale znamy tę perspektywę. Dlatego w 7N stw...

Company profile

Fullstack Developer (Node.js & Typescript)

6 924.71 - 8 771.30 USDNet per month - B2B
Summary of the offer

Fullstack Developer (Node.js & Typescript)

Warszawa (Centrum), Warszawa
7N
6 924.71 - 8 771.30 USDNet per month - B2B
By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. Informujemy, że administratorem danych jest 7N Sp. z o. o. z siedzibą w Warszawie, ul.Puławska 182 (dalej jako "administrator"). Masz ... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.