Senior .NET Developer

Enso Recruitment; Belfast City District; On-site; GBP 70,000 - 90,000; Full time

Benefits offered by this job

Pension

Ongoing learning and support

Job summary

Enso Recruitment is partnering with a globally recognised organisation in international financial markets to recruit a Senior .NET Developer in Belfast. You will join a collaborative engineering team designing and delivering high-impact, scalable backend systems.

You’ll work across the full SDLC, partnering with Architects and Principal Engineers on business-critical software for internal and external clients. Strong .NET/C#, WPF, SQL, and cloud experience are essential for success.

Qualifications

• 5+ years experience as a Senior Software Engineer in a delivery-focused environment.
• Strong expertise in .NET (C#) across modern .NET Framework and .NET Core environments.
• Proven experience developing distributed, real-time systems and designing scalable components.
• Relational databases such as MS SQL Server or MySQL, including schema design and optimisation.
• Proficiency in WPF application development.
• Hands-on experience with event-driven and asynchronous messaging architectures.
• Experience working with cloud platforms, preferably AWS, including deployment and management of cloud-based services.
• Strong understanding of CI/CD pipelines, version control (GitHub/GitLab), and package management.
• Comfortable working in Agile environments and delivering across geographically distributed teams.
• A solid understanding of AI capabilities in software engineering and the ability to apply them responsibly within enterprise frameworks.

Responsibilities

• Design and deliver high-quality software solutions in close collaboration with Architects and Principal Engineers.
• Take full ownership of key features from initial design through to timely, defect-free delivery.
• Partner with QA to ensure robust testing practices are embedded throughout the development process.
• Champion engineering best practices including unit testing, code reviews, and maintainable design principles.
• Leverage AI-enabled development tools such as Copilot and code assistants to enhance productivity and delivery velocity within appropriate governance frameworks.
• Design solutions that meet functional and non-functional requirements including performance, scalability, and resilience.
• Mentor and support junior engineers, contributing to a high-performing and collaborative team environment.
• Proactively communicate progress, risks, and dependencies, escalating blockers early to keep delivery on track.

Skills

Senior Software Engineer

.NET (C#)

Distributed systems

Real-time systems

SQL databases

WPF

Event-driven messaging

AWS

CI/CD

GitHub

GitLab

Agile

AI in software

Tools

Copilot

AWS

GitHub

GitLab

WPF

Job description

Enso Recruitment are excited to be working with a globally recognised organisation operating at the heart of international financial markets, who are now looking to bring a talented Senior .NET Developer into their growing Belfast engineering team.

The Opportunity

This is a brilliant opportunity for an experienced back end engineer who wants to work on complex, high-impact systems at genuine scale.

You'll be part of a collaborative, cross-functional team working across the full software development lifecycle, from design and development through to deployment and post-release support.

It's a role with real influence, working closely with Architects and Principal Engineers on business-critical software that supports both an internal broking division and a global external client base.

Key Responsibilities

• Design and deliver high-quality software solutions in close collaboration with Architects and Principal Engineers
• Take full ownership of key features from initial design through to timely, defect-free delivery
• Partner with QA to ensure robust testing practices are embedded throughout the development process
• Champion engineering best practices including unit testing, code reviews, and maintainable design principles
• Leverage AI-enabled development tools such as Copilot and code assistants to enhance productivity and delivery velocity within appropriate governance frameworks
• Design solutions that meet both functional and non-functional requirements including performance, scalability, and resilience
• Mentor and support junior engineers, contributing to a high-performing and collaborative team environment
• Proactively communicate progress, risks, and dependencies, escalating blockers early to keep delivery on track

About You

• 5+ years' experience as a Senior Software Engineer within a complex, delivery-focused environment
• Strong expertise in .NET (C#) across modern .NET Framework and .NET Core environments
• Proven experience developing distributed, real-time systems and designing scalable components
• Solid experience with relational databases such as MS SQL Server or MySQL, including schema design and optimisation
• Proficiency in WPF application development
• Hands-on experience with event-driven and asynchronous messaging architectures
• Experience working with cloud platforms, preferably AWS, including deployment and management of cloud-based services
• Strong understanding of CI/CD pipelines, version control (GitHub/GitLab), and package management
• Comfortable working in Agile environments and delivering across geographically distributed teams
• A solid understanding of AI capabilities in software engineering and the ability to apply them responsibly within enterprise frameworks
• Bonus
• Pension
• Ongoing learning and support