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June 23, 2026

Fullstack Senior Software Engineer

Senior • Remote

Krakow, MA, Poland

Do you want to build the next generation of cloud services? Would you like an opportunity to effect change at a leading technology organization? Join our Compute Team. Our mission is to accelerate innovation by making computing simple, scalable, accessible, and affordable. We provide the infrastructure and services that enable developers to build next-generation applications, hosting hundreds of thousands of virtual machines and petabytes of data for customers worldwide.

Quick Facts

  • Role: Fullstack Senior Software Engineer
  • Product: Cloud Manager (web-based UI serving 10,000 daily users)
  • Technologies: TypeScript, React, Python, Flask, SQLAlchemy, REST APIs, Docker
  • Development approach: Agile

Description

Your role involves developing new features and maintaining existing ones in Cloud Manager, including implementing corresponding backend service updates. The team emphasizes agile development and innovative solutions.

Responsibilities

  • Designing solutions by gathering specifications and identifying appropriate approaches
  • Implementing bug fixes and new features
  • Writing and maintaining unit tests
  • Researching, proposing, and integrating relevant open-source projects aligned with product objectives
  • Continuously improving internal processes and systems

Requirements

  • Proficiency in TypeScript and front-end development
  • Proficiency with Python
  • Understanding of algorithms and root cause analysis
  • Ability to write organized, efficient, well-documented code

Benefits

  • Support for health, well-being, finances, and life beyond work
  • Flexible work arrangements through the FlexBase program, enabling work from home, in the office, or a hybrid model

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Warsaw, Poland

25,200 - 31,500 PLN

🏢 Summary: Senior Python & React Full-Stack Engineer role focused on maintaining, troubleshooting, and enhancing an existing live product within a single-client environment. The position involves full-stack development, improving UI/UX, onboarding users, and ensuring system stability and performance. This is a remote EU-based role with strong emphasis on practical problem-solving and product evolution. 🗂️ Requirements: 6+ years of experience as Full Stack Developer/Engineer, Hands-on backend experience with Python, Solid frontend experience with React, Experience with databases, Experience with cloud environments (preferably Azure), Understanding of software development lifecycle, Experience maintaining and improving existing products, Strong debugging and issue-resolution skills, Fluent English, Legal right to work in Europe 📃 Skills: Python, React, SQL, Azure, Cloud, UI, UX, Debugging 🏢 Description: 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 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. Your main 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 You're ideal for this role if you have: 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 It is a strong plus if you have: (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 Language Required for the role : English (Fluent) Eligibility for the role : Only candidates with an existing legal right to work in Europe will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.