Senior Dotnet Developer

Senior .NET Developer Location: Spain (Fluency in Spanish required)
Industry: Sports Betting & Gaming
Tech Stack: .NET Core, C#, ASP.NET Core, SQL Server, Microservices, Azure/AWS, Docker, Kubernetes
Company Overview: Join a leading company in the sports betting and gaming industry, delivering cutting-edge digital experiences to millions of users.
With a strong presence in Spain, the company focuses on scalability, high-performance applications, and innovation, ensuring a seamless customer experience across platforms.

Project Overview: The team is working on key platform enhancements to improve performance, scalability, and financial operations .
Two major initiatives include:
? Feed Integration System – Transitioning to a new feed supplier , optimizing data ingestion , and ensuring real-time updates for sports betting.
? Cashier Module – Developing a cash flow management system to enhance payment processing, transactions, and compliance .

We are looking for a Senior .NET Developer to play a key role in building and optimizing backend services that power the platform.
You will work on critical projects , including integrating a new feed supplier and developing a cashier module to manage platform cash flow.
This role requires strong expertise in .NET, high-performance backend development, and API integrations , with a focus on scalability and reliability within an Agile SAFe environment .

Requirements: 5+ years of experience in backend development with .NET Core/.NET Framework .
Strong expertise in C#, ASP.NET Core, and API development .
Experience with SQL Server, Entity Framework , and database performance optimization.
Knowledge of microservices architecture, event-driven systems, and caching strategies .
Experience integrating with third-party APIs, payment providers, and real-time data feeds .
Familiarity with cloud services (Azure, AWS) and containerization (Docker, Kubernetes ).
Understanding of Agile methodologies (SAFe preferred, training available) .
Fluency in Spanish is mandatory .
At least B2 speaking English .
Responsibilities: Develop, optimize, and maintain scalable backend services using .NET Core/.NET Framework .
Design and implement RESTful APIs and microservices for seamless integration with frontend and third-party systems.
Contribute to real-time data processing for the new feed supplier integration.
Build and enhance payment processing and transaction management within the cashier module.
Ensure high availability, fault tolerance, and security of backend services.
Work closely with frontend developers, architects, and product managers to align technical solutions with business needs.
Participate in code reviews, performance tuning, and database optimization .
Support Agile processes , contributing to sprint planning, stand-ups, and retrospectives.