Fullstack Developer .NET + React

Moondigo Sp. z o.o. is offering a position to work on a long-term project for a global professional services firm in the banking and financial services sector, serving a UK-based banking client in a regulated, enterprise-scale environment. The role is fully remote from Poland with occasional visits to the Warsaw office.

• 3+ years of experience in full-stack development
• Proficiency in C#, ASP.NET Core, .NET Web API
• Experience with React including state management and component architecture
• Knowledge of HTML5, CSS3, JavaScript, and TypeScript
• Experience in RESTful API design and integration
• Proficient with SQL Server including queries, stored procedures, functions, and views
• Experience with Entity Framework
• Understanding of design patterns and database normalization
• Experience with Azure DevOps for source control and CI/CD
• Knowledge of application security, performance, and scalability best practices
• Bachelor's degree in Computer Science or related field

Nice to have:

• Experience with Azure Cloud Services and cloud-native architecture
• Knowledge of SFTP and encryption/secure file transfer protocols
• Experience with vendor software integration and custom interfaces

• Design, develop, and maintain web applications using .NET (C#, ASP.NET Core) and React
• Build responsive user interfaces with HTML, CSS, JavaScript, and React
• Develop and consume RESTful APIs to connect client-side and server-side components
• Implement and optimize data storage using SQL Server (stored procedures, functions, views)
• Perform coding, debugging, testing, and troubleshooting throughout the development lifecycle
• Maintain and enhance existing systems, fixing complex bugs and escalating risks where needed
• Capture detailed requirements from stakeholders and translate them into technical specifications
• Ensure adherence to coding standards, design patterns, and security best practices
• Collaborate with vendor teams and third-party integrations
• Monitor emerging technologies and contribute ideas for continuous improvement

Location: 100% Remote (Poland) with occasional visits to Warsaw office