Monterail

Senior React Developer with Java - Freelancer

🇵🇱 Remote, Poland Remote IT Full time Senior Posted Jun 5, 2026
Location Remote, Poland
Workplace Remote
Employment Full time
Seniority Senior
Category IT
IT Category Front End Engineer
Language English
Posted June 5, 2026
Last verified June 7, 2026
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Role summary by JobGrid

Senior React Developer with Java - Freelancer at Monterail is a remote, full-time Senior IT role in Poland. JobGrid presents the normalized role facts, keeps the source boundary separate from the employer description, and links candidates to the original public application page with non-personal referral parameters. This listing is part of JobGrid's Remote software engineer jobs from public company career pages.

  • Location and workplace are normalized as Remote, Poland; the job is listed from Warsaw, Poland in the source data.
  • Employment type is Full time, seniority is Senior, and the subcategory is Front End Engineer.
  • No salary is published in the payload, so JobGrid does not add salary context.
  • Source freshness is visible: posted on 2026-06-05 and last checked on 2026-06-07 to show how recent the listing is.

Hi!

We are Monterail - a team of ~ 130 experts working together to create meaningful software. We are looking for a Senior React Developer to join us as a freelancer and help us create different projects for our clients.

We're looking for a Senior React Developer (7+ years) with some Java skills to join a product team building a multi-app system centered around an operator console - a real-time interface for controlling and managing robotic machinery.