C#/.NET Software Engineer – Financial Markets | 12 Month Daily Rate Contract

Senior C#/.NET Software Engineer – Financial Markets | Contract

Build high-performance technology that powers global financial markets.

We’re looking for a Senior C#/.NET Software Engineer to join a high-performing technology team supporting a global financial markets business.

This is an opportunity to work on complex, business-critical systems where engineering quality, performance and reliability genuinely matter. You’ll be involved across the full software development lifecycle, from architecture and design through to development, testing, deployment and production support.

You’ll work alongside experienced Engineers, Traders and business Stakeholders to solve challenging problems and build resilient, scalable services for this completely in-house built Trade Capture platform for the FX Options and Credit Default Swaps (CDS) markets.

What you’ll be doingDesign and develop high-performance applications using C# and .NET

Build and evolve distributed, microservices-based systems

Take ownership across the full SDLC — architecture, design, development, testing and deployment

Modernise existing services and contribute to technology migration initiatives

Develop scalable RESTful APIs and service-to-service integrations

Work with messaging and streaming technologies such as Kafka, RabbitMQ or AWS SNS/SQS

Improve application performance, reliability and code quality

Work with relational and/or NoSQL databases

Contribute to engineering practices including TDD, code reviews, pair programming and CI/CD

Work with cloud and containerised environments including AWS, Docker and Kubernetes

Provide production support and troubleshoot complex technical issues when required

What you’ll bring6+ years of commercial C#/.NET development experience

Strong experience with modern .NET / .NET Core

Excellent understanding of object-oriented design, data structures, algorithms and software engineering principles

Strong experience designing and developing microservices

Experience building and consuming REST APIs

Solid understanding of concurrency, scalability and performance optimisation

Experience with SQL and/or NoSQL databases

Strong understanding of modern engineering practices including TDD, CI/CD, code reviews and Git

Experience working with AWS and/or cloud-native technologies

Experience with Docker and Kubernetes

Exposure to Kafka, RabbitMQ, SNS/SQS or similar messaging platforms

Experience with Angular or React would be advantageous

Comfortable working in Linux environments and with scripting

A strong focus on clean code, maintainability and engineering quality

• Previous Front Office/Trading systems Development experience (ideally Trade Capture or related FICC systems) highly adventageous

Apply now to secure a long term, lucrative daily rate contract before the festive period slow-down!