.NET Integration Engineer – Trading & FinTech

About the role

We are a fast‑growing online trading company in Dubai looking for a .NET Integration Engineer who loves making systems talk to each other cleanly and hates flaky integrations. You will own and improve the integrations that sit at the heart of our business – trading platforms, payment providers, internal services, and everything in between.

Key responsibilities

• Build and maintain .NET/C# services that support high‑volume trading and fintech workflows.
• Develop integrations with trading platforms and payment providers, including MT4/MT5 and FIX protocol bridges.
• Design, implement and maintain REST APIs for internal and external systems.
• Collaborate closely with product and business teams to turn requirements into scalable solutions.
• Troubleshoot production and integration issues quickly and methodically.
• Improve performance, security and reliability across the platform.
• Contribute to code reviews, unit tests and CI/CD pipelines.
• Continuously refine how the team builds, ships and supports software.

Required profile

• 5+ years of hands‑on experience with C#, ASP.NET and .NET Core.
• Strong MS SQL Server expertise (query optimisation, performance tuning).
• Solid trading/FinTech background (Forex, online trading, order execution, account management).
• Experience with MT4, MT5, bridge integrations and FIX protocol.
• Proven ability to integrate third‑party APIs and payment gateways.
• Good engineering fundamentals – design patterns, best practices.
• Calm under pressure, strong communicator and problem‑solver.

Required skills

• .NET
• C#
• ASP.NET
• .NET Core
• REST APIs
• MT4
• MT5
• FIX protocol
• Third‑party API integration
• Payment gateway integration
• MS SQL Server
• SQL performance tuning
• Query optimisation
• Microservices
• CI/CD
• Unit testing
• Code reviews