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Senior Python & React Full-Stack Developer – Client Product
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Offer summary

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

The project involves an existing software product in a single-client environment focused on maintenance, development, and UI/UX enhancement. Key technologies include Python, React, databases, and Azure. Responsibilities cover system maintenance, bug fixing, feature implementation, and stakeholder collaboration. The offer includes flexible working hours, medical package, access to Pluralsight and Multisport.

newyou can start ASAP

Senior Python & React Full-Stack Developer – Client Product

Company: ITDS Polska Sp. z o.o.

from: 17 June 2026
to: 17 July 2026
25 200 - 31 500 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

Python
React.js

Optional technologies

Microsoft Azure

Our requirements

  • 6+ years of experience as a Full Stack Developer / Full Stack Engineer
  • Hands-on backend experience with Python
  • Solid frontend experience with React
  • Basic to solid experience with databases and cloud-based environments (preferably Azure)
  • A strong understanding of the software development lifecycle across frontend and backend
  • Experience maintaining and improving existing products (not only building new systems)
  • Strong debugging and issue-resolution skills with clean, practical fixes
  • A product-minded approach with sensitivity to UI/UX and user needs
  • English (Fluent)

Optional

  • Experience working on client-facing internal tools or single-client product environments
  • Exposure to product support, user onboarding, or post-launch optimization
  • Enthusiasm for AI and a practical understanding of how it works (without training models)
  • Familiarity with Azure cloud-based application architecture

Your responsibilities

  • Support the ongoing development and maintenance of an existing software product
  • Troubleshoot and fix bugs reported by users during onboarding and day-to-day usage
  • Implement improvements and new features based on user feedback and business needs
  • Enhance the UI/UX experience to keep the platform intuitive and user-friendly
  • Work across both backend and frontend layers of the application
  • Collaborate with stakeholders to understand issues, prioritize enhancements, and deliver practical solutions
  • Help onboard new users by ensuring the platform remains stable and effective
  • Continuously improve code quality, usability, and performance

About the project

As a Senior Python & React Full-Stack Engineer, you will be working for our client on an existing software product used within a single-client environment. Instead of starting from scratch, you will maintain, troubleshoot, and enhance a live solution—helping it grow as new users onboard and new needs emerge. If you enjoy practical problem-solving across frontend and backend, this is the kind of role where your work has immediate impact.
Build what matters—stabilize, improve, and evolve a live product used every day.
Remote (EU) • Up to 5 remote days/week
Only candidates with an existing legal right to work in Europe will be considered for this role.

This is how we organize our work

This is how we work

at the client's siteagilescrum

#GETREADY to meet with us!

ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people.
We would like to meet you. If you are interested please apply and attach your CV in English or Polish, including a statement that you agree to our processing and storing of your personal data.

ITDS’s Whistleblower Procedure

📌 You can report violations in accordance with ITDS’s Whistleblower Procedure available here: https://itds.pl/wp-content/uploads/2025/03/INFORMATION-ON-PROCEDURE-FOR-REPORTING-BREACHES-AND-PROTECTION-OF-WHISTLEBLOWERS-AT-ITDS-POLSKA.pdf
Company

What we offer

  • Stable and long-term cooperation with very good conditions
  • Enhance your skills and develop your expertise in the financial industry
  • Work on the most strategic projects available in the market
  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years
  • Participate in Social Events, training, and work in an international environment
  • Access to attractive Medical Package
  • Access to Multisport Program
  • Access to Pluralsight
  • Flexible hours

Benefits

  • sharing the costs of sports activities
  • private medical care
  • flexible working time
  • fruits
  • integration events
  • corporate gym
  • saving & investment scheme
  • no dress code
  • coffee / tea
  • drinks
  • christmas gifts
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • access to +100 projects
  • access to Pluralsight

Recruitment stages

  • 1.
    online interview
  • 2.
    online interview

ITDS Polska Sp. z o.o.

ITDS supports financial service providers to take the next steps.
We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization.
We see where banks, insurers, payment companies, or fintech can go and how they can get there.
That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality.
ITDS in Poland - Pure player in new Technologies & Financial Industry
+300 IT implementation professionals
+20 clients in the Banking, Insurance, Payment & Fintech Industry
ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities.

This is how we work

Senior Python & React Full-Stack Developer – Client Product
25.2k–31.5k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Warszawa, Masovian
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