Senior Backend Engineer

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Overview

As a Senior Backend Engineer, you will play a crucial role in developing scalable REST APIs using C# and .NET technologies for a 3-month contract. Working primarily in a remote setting, you may occasionally collaborate with team members in person. This position focuses on integrating payment systems and enhancing backend processes to ensure high performance and reliability.

Responsibilities

  • Develop scalable REST APIs using C# and .NET technologies.
  • Implement payment flows and integration with platforms like Adyen, Stripe, or Worldpay.
  • Collaborate with cross-functional teams to design API contracts and domain models.
  • Optimize database queries and handle transactions effectively.
  • Ensure high-quality software delivery by adhering to best practices in architecture and design.
  • Utilize Azure cloud services for application deployment and management.
  • Manage dependency injection, middleware, and error handling frameworks.

Requirements

  • 7+ years of experience with C# and .NET technologies.
  • Strong expertise in ASP.NET Web API development.
  • Familiarity with SQL Server or PostgreSQL, including schema evolution and migrations.
  • Experience with cloud services, preferably Azure and its various components.
  • Knowledge of designing and implementing microservices architectures.
  • Understanding of payment processing solutions and relevant integrations.
  • Experience with event-driven patterns and API error frameworks.
  • Familiarity with PCI-DSS considerations is a plus.
SkillsC#, ASP.NET, SQL, Azure
LocationLondon Area
TypeHybrid
Rate
£500/day
SourceLinkedIn
RecruiterForsyth Barnes
Posted09/07/26