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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