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Opis oferty

Fullstack Developer w Warszawa, Polska

Cyclad

  • ZdalniePraca z dowolnego miejsca
  • KontraktUmowa czasowa lub freelancing

100,00 – 130,00 zł

Warszawa, Polska

Your responsibilities

  • Develop and maintain backend, web, and mobile solutions
  • Build secure and scalable backend services and REST APIs using C#, .NET, https://jobeax.com/link/GrYTXLZMpxEMJknV Web API, Entity Framework Core, and SQL Server
  • Develop responsive web and mobile features using React, React Native, TypeScript, JavaScript, HTML5, and CSS3
  • Develop business logic and optimize SQL Server database structures
  • Apply Clean Code, SOLID principles, and design patterns
  • Write and maintain unit and integration tests
  • Use AI-assisted development tools such as GitHub Copilot, Claude Code, ChatGPT, or OpenAI API to support development and improve workflows
  • Participate in technical discussions, code reviews, and task estimation
  • Collaborate with developers and other team members within a distributed international environment
  • Create and maintain technical documentation in Polish and English

Our requirements

  • Minimum 3 years of commercial software development experience
  • Strong experience with C# and .NET Core / .NET 8+
  • Experience with https://jobeax.com/link/GrYTXLZMpxEMJknV Web API, Entity Framework Core, and SQL Server
  • Practical experience with React and React Native
  • Good knowledge of TypeScript, JavaScript, HTML5, and CSS3
  • Knowledge of Clean Code, SOLID principles, and design patterns
  • Experience with unit and integration testing
  • Practical experience using AI-assisted development tools such as GitHub Copilot, Claude Code, ChatGPT, or OpenAI API
  • Fluent Polish – mandatory
  • Minimum B2 level of English, both written and spoken
  • Ability to work independently and effectively in a fully remote environment
  • Strong communication and collaboration skills

Optional

  • Knowledge of Domain-Driven Design (DDD) and CQRS
  • Experience with microservices architecture and cloud-native solutions
  • Experience with Microsoft Azure services, such as App Services, Service Bus, Azure SQL, and Azure DevOps
  • Knowledge of Docker and containerization
  • Familiarity with Azure Cosmos DB and Cloud/DevOps patterns
  • Interest in integrating AI/ML into commercial applications
  • Experience in fitness, health & wellness, or other B2C solutions
  • Experience publishing or maintaining applications in the App Store and Google Play

What we offer

  • 100% remote working model
  • Full-time cooperation agreement based on B2B
  • Opportunity to work on an international project for a US-based client
  • Opportunity to work with modern .NET, React, and React Native technologies
  • Collaboration within a distributed international team
  • Opportunity to develop your skills in modern software development and AI-assisted engineering
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