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Senior React Frontend Developer
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Offer summary

(Summary generated by AI based on the full job description)

The project involves building systems supporting the bonds and commodities market within banking. It uses React, JavaScript, TypeScript, and OpenFin for high-performance desktop applications. Responsibilities include designing, developing, maintaining frontends, integrating with backend via REST APIs, and contributing to architectural decisions. Requires 6+ years React experience and ability to work in US Eastern timezone.

newyou can start ASAP

Senior React Frontend Developer

Company: VISTULO sp. z o.o.

from: 24 June 2026
to: 24 July 2026
200 - 230 złnet (+ VAT)/ hr.B2B contract
Offer parameters
level:senior
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

React.js
JavaScript
TypeScript
API

Optional technologies

Java
Electron
OpenFin

Our requirements

  • 6+ years of professional experience with React and JavaScript/TypeScript.
  • Strong analytical and problem-solving skills.
  • Open mind, curiosity, and a strong desire to learn new technologies and business domains.
  • Ability to clearly explain non-trivial systems and algorithms.
  • Ability to follow and understand technical conversations.
  • Humility to ask questions where necessary.
  • Ability to align your working schedule to US Eastern business hours during onboarding.

Optional

  • Exposure to backend Java (reading backend code occasionally required).
  • Experience developing with OpenFin, Electron, or similar desktop runtimes.
  • Financial market experience.
  • A computer science degree from a top Polish technical university.

Your responsibilities

  • Design, develop, and maintain desktop applications written in React in JavaScript and TypeScript using the OpenFin framework.
  • Ensure high performance and reliability by writing well-structured code.
  • Work with backend systems via REST APIs and data streaming. Ability to read backend Java code is a plus.
  • Participate in team discussions and contribute to architectural decisions for improving system scalability and maintainability.

About the project

Are you a skilled React developer and are interested in capital markets? Join us to build new systems to support the bank’s bonds and commodities business. This role is a unique opportunity to shape new apps used daily as part of the bank’s capital markets product offering. If you thrive on feedback, iteration, and creating applications that are a pleasure to use, this position is for you.
The Role at a Glance
  • Senior Frontend Engineer with React expertise
  • Fully remote for a top N. American bank (for residents of Poland only)
  • Openings on multiple teams in the capital markets division
  • Part of the core team - this is not a legacy support role or an outsourced B team
    • We’re hiring experienced frontend engineers (6+ years) to join a major N. American bank, directly supporting the development of frontends for systems used to support the bank’s bonds and commodities business. This is not a legacy maintenance or support role — you’ll be part of the core product team, building highly-performant frontends used across the firm.
    Join us and work on interesting financial system engineering problems.

    This is how we organize our work

    This is how we work

    at the client's siteyou have influence on the choice of tools and technologiesyou have influence on the technological solutions appliedyou have influence on the product

    Interview Process

    Step 1: Written Programming exercise - A short questionnaire and programming exercise to assess your skills.
    Step 2: Preliminary Interview - Conducted in the Polish timezone, focusing on your experience and problem-solving skills.
    Step 3: Technical Interview (60 minutes) - One-on-one interview with a team member in US Eastern timezone.
    Step 4: Final Round of 3 interview (2–2.5 hours) - Three interviews in US Eastern timezone, covering coding, technical discussions, and system design.
    Successful candidates will need to pass a standard background check.

    Why Join Us?

  • Join an actively developed system. The engineers who built it originally are still on the team.
  • Collaborate with a world-class team of developers across North America and Europe.
  • Enjoy the stability of a long-term, fully remote role that only a bank can offer.
    • A successful candidate will be a very strong frontend programmer with current TypeScript development experience. They must also be curious, open-minded, and desire to learn new things. English proficiency is a must.
    This role is for developers who are good at programming, and not merely applying learned techniques. We’re looking for people who understand how things work and are not merely practitioners or technicians. If you’re fascinated by understanding systems ‘under the hood,’ this role is for you. Successful candidates enjoy geeking out on the internals and debugging application performance issues.
    This is a fully remote frontend React development role for a developer in Poland. You will be working through a Polish company that will provide the support and administrative assistance to make you successful in the role. We are looking for people to join the team long-term.
    To ensure efficient onboarding, you’ll work in sync with the American team during US Eastern business hours for the first two months. Working this way maximizes your time overlap for answering questions, which means you can learn quickly. That means working until 21:00 CET. After you demonstrate that you can work independently, you’ll have flexibility to shift closer to standard Polish business hours.
    Only open to residents of Poland. Polish citizens, as well as legal residents with permission to work in Poland are welcome.
    Company

    Recruitment stages

    • 1.
      Step 1: Written Programming exercise
    • 2.
      Step 2: Preliminary Interview
    • 3.
      Step 3: Technical Interview (60 minutes)
    • 4.
      Step 4: Final Round of 3 interview (2–2.5 hours)

    VISTULO sp. z o.o.

    We have expertise in designing offshore teams, hiring locally, and setting up processes, tools, and communications for continued success. We've have in-house experience building software development teams in Poland, Ukraine, and across Europe for American companies.
    Senior React Frontend Developer
    200–230 zł / hr. (B2B)
    I apply to:
    VISTULO sp. z o.o.
    Warszawa, Masovian
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