This is a remote position.
We are looking for a Senior Backend Engineer to join an Investment FinTech focused on digital wealth management and automated investment solutions. You will work with a highly specialized international engineering team, helping build and evolve a modern, scalable, and high-availability platform.
Important: L-V 12:00h - 22:00h España.
Requirements
8+ years of backend development experience.
Strong experience with .NET Core and C#.
Advanced experience building and designing REST APIs.
Strong knowledge of SQL and NoSQL databases (MongoDB, Firestore, or similar).
Experience working with AWS, Azure, or GCP.
Experience integrating external services and third-party systems.
Technical and conversational English (B2+ or higher).
Ability to work independently in distributed environments.
Highly Preferred Experience
Investment FinTech.
Robo Advisors.
Neobrokers.
Wealth Management platforms.
Investment or trading platforms.
Integrations with brokers, custodians, or financial institutions.
Responsibilities
Design, develop, and maintain backend services using .NET Core and C#.
Design and build scalable, secure REST APIs.
Develop integrations with third-party providers, payment services, and financial systems.
Write maintainable, scalable, and fault-tolerant code.
Improve platform performance, reliability, and maintainability.
Participate in code reviews and technical discussions.
Contribute to Cloud, CI/CD, and microservices initiatives.
Collaborate with a distributed senior engineering team.