Senior Python & React Full-Stack Engineer

Senior • Remote

25,200 - 31,500 PLN

Warsaw, Poland

Build what matters—stabilize, improve, and evolve a live product used every day.
Remote (EU) • Up to 5 remote days/week

As a Senior Python & React Full-Stack Engineer, you will be working 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.

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

Requirements

6+ years of experience as a Full Stack Developer / Full Stack Engineer
Hands-on backend experience with Python
Solid frontend experience with React
Experience with databases and cloud-based environments (preferably Azure)
Strong understanding of the software development lifecycle across frontend and backend
Experience maintaining and improving existing products
Strong debugging and issue-resolution skills
Product-minded approach with sensitivity to UI/UX and user needs
Fluent English
Legal right to work in Europe

Nice to Have

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 practical understanding of how it works
Familiarity with Azure cloud-based application architecture

Language Required: English (Fluent)
Eligibility: Only candidates with an existing legal right to work in Europe will be considered.

ITDS

ITDS Business Consultants is a company that operates within the IT consulting industry, focusing on delivering innovative and professional IT projects for international companies, particularly in the financial sector across Europe. The company is committed to providing an environment that fosters professional growth, ambition, and drive. ITDS is involved in strategic projects that are crucial to the market, offering opportunities for skill enhancement and expertise development. The company values stable and long-term cooperation, providing a supportive environment for career development. ITDS also emphasizes a collaborative and international work environment, with access to various benefits such as medical packages, sports programs, and flexible working conditions. The company is dedicated to aligning its solutions with business needs and maintaining high standards in its development practices.

Check if your resume is ATS-ready before applying →Build an ATS-optimized resume