Senior Fullstack Developer Python and React

iTeamly WARSZAWA 2026-09-10
・Strong commercial experience in full-stack software development
・Advanced knowledge of Next.js 16, including server-side rendering, Server Actions, caching, and templates
・Strong knowledge of React 19, including Context API, modern hooks, memoization, and performance optimization
・Very good knowledge of TypeScript, including generics and template literal types
・Experience building backend services and REST APIs with Python and FastAPI
・Practical experience designing and developing microservices
・Experience working with Google Cloud Platform
・Good understanding of data structures and algorithms, including arrays, sets, maps, graphs, and recursion
・Strong knowledge of clean-code practices, object-oriented programming, SOLID principles, and common design patterns
・Experience using Tailwind CSS 4 and established styling patterns
・Experience writing unit, snapshot, and integration tests with Jest
・Strong problem-solving and analytical skills
・Strong written and verbal communication skills
・Ability to collaborate effectively within a global, cross-functional team

We are looking for a skilled Senior Fullstack Developer to drive the development of scalable, high performance applications. Join our team and take ownership of both frontend and backend solutions in a collaborative, fastpaced environment.

What We Offer

  • Flexible remote work with occasional travel.
  • Opportunity to lead high impact projects and work with cutting-edge technologies.
  • Collaborative and growth oriented environment.
,[ Design and develop full-stack applications using Next.js 16, React 19, TypeScript, and Python, Build scalable backend services and REST APIs using Python and FastAPI, Design and implement microservices-based architectures, Develop server-side rendered applications using Next.js features such as Server Actions, caching, and templates, Build reusable, maintainable, and responsive user interfaces, Optimize frontend performance using modern React hooks, memoization, and appropriate state-management patterns, Write clean, testable, and maintainable code following OOP, SOLID principles, and established design patterns, Create unit, snapshot, and integration tests using Jest, Support the development and deployment of applications in the GCP environment, Participate in technical design discussions, code reviews, and architectural decisions, Collaborate with engineering, product, and other stakeholders in a global, cross-functional team] Requirements: Python, React, GCP