Sr. Fullstack Engineer - React & Node.js/Python

Senior • Remote in Europe • B2B • 40-45 euros per hour

Number of open positions: 4

About the Opportunity

The client is seeking a Senior Full-Stack Engineer who is technically advanced and ready to drive the development of secure, scalable digital platforms. This role demands extensive experience in both frontend (React, TypeScript) and backend (Node.js/Python), with a focus on high-performance cloud-native applications. You will work closely with architects and product managers, turning intricate requirements into robust technical solutions while ensuring top-tier code quality.

Key Deliverables

  • Develop full-stack production applications using React,TypeScript and Node.js or Python (FastAPI/Django).

  • Design and secure scalable microservices and APIs (REST/GraphQL), including state-of-the-art caching and state management.

  • Build reusable UI components, micro frontends, and responsive designs.

  • Integrate services with various databases (PostgreSQL, MongoDB, Redis) and external APIs, ensuring full observability.

  • Optimize application performance using profiling, async operations, and effective caching.

  • Ensure application security and compliance through rigorous secure coding practices.

  • Implement and maintain comprehensive test coverage (PyTest, Jest) and automated CI/CD pipelines.

  • Manage monitoring and logging with tools like Prometheus, Grafana, and ELK Stack.

  • Contribute to the agile process, helping break down user stories and collaborating with all functional teams (Product, QA, Design, DevOps).

  • Drive continuous improvements in code quality, test automation, and team productivity.

Core Competencies

  • Bachelor's degree in a technical field.

  • 10+ years of dedicated full-stack development experience.

  • Expert proficiency in React/Next.js and TypeScript.

  • Advanced experience in either Python (FastAPI/Django) OR Node.js (Express/NestJS), with both being highly valued.

  • Solid grasp of microservices, APIs (REST/GraphQL), event-driven architecture, and cloud environments (AWS/Azure/GCP).

  • Hands-on experience with Docker, Kubernetes, and CI/CD tools (GitHub Actions, etc.).

  • Working knowledge of SQL, NoSQL, caching, and message queues.

  • Deep expertise in performance optimization, secure coding, and TDD.

  • Proven ability to work autonomously, deliver quality software on time, and communicate effectively.

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