Senior Developer specializing in full-stack development using .NET and React in a technology transformation company. Developing scalable tech solutions with a focus on automation and integration.
Responsibilities
Develop and maintain Callisto platform UI components using React and TypeScript
Build and refactor C#/.NET Core backend APIs and microservices
Implement receipt processing workflows for API-based and non-API registries
Design and optimize database schemas in Azure SQL and Cosmos DB
Integrate with ION Carbon Zero platform APIs for receipt and parcel management
Connect to operational databases and data warehouse for trade data synchronization
Build middleware integrations using Azure Logic Apps and Azure Function Apps
Implement secure API authentication and authorization patterns
Participate in knowledge transfer sessions with the transitioning development team
Write comprehensive unit and integration tests with high code coverage
Optimize application performance and scalability for high-volume processing
Follow SDLC best practices, code review standards, and documentation requirements
Collaborate with trade operations stakeholders to understand business requirements
Support production deployments and troubleshoot issues as needed
Requirements
5+ years of full-stack development experience with .NET and React
Backend Development:
C#, .NET Core / .NET 6+
ASP.NET Core
RESTful API design and development
Microservices architecture patterns
Entity Framework Core or Dapper
LINQ and async/await patterns
Dependency injection and IoC containers
Front-end Development:
React 18+, React Hooks, Context API
TypeScript, JavaScript (ES6+)
Modern CSS, CSS-in-JS, or CSS modules
State management (Redux, Zustand, or similar)
Responsive web design principles
Database:
Azure SQL Server, T-SQL
Cosmos DB (NoSQL)
Database design, optimization, and indexing
Complex queries and stored procedures
Cloud & DevOps:
Microsoft Azure (App Services, Function Apps, Azure Storage, Key Vault)
CI/CD pipelines (Azure Pipelines, GitHub Actions)
Git / GitHub for source control
Docker containerization (preferred)
Testing:
Unit testing (xUnit, NUnit, MSTest)
Integration testing
Front-end testing (Jest, React Testing Library)
Benefits
Health and dental insurance
Food and meal allowance
Childcare assistance
Extended parental leave
Partnerships with gyms and health & wellness professionals via Wellhub (Gympass) / TotalPass
Profit-sharing (PLR)
Life insurance
Continuous learning platform (CI&T University)
Discount club
Free online platform dedicated to physical and mental health and well-being
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