Principal .NET Engineer

Ocho People; Belfast; Hybrid; GBP 78,000 - 90,000; Full time

Job summary

A leading technology company is seeking a Principal Software Engineer to lead a cross-functional team in delivering front office solutions. The ideal candidate will have a strong background in .NET, cloud-native systems, and Agile management. This role offers a salary between £78k and £90k and provides hybrid working options in the UK, fostering innovation and high-quality delivery.

Qualifications

• Proven track record managing cross-functional Agile teams.
• Experience in designing and maintaining cloud-native systems.
• Deep expertise in .NET technologies.

Responsibilities

• Lead and manage a cross-functional engineering team.
• Collaborate with architects to maintain engineering standards.
• Drive experimentation with tools and methodologies.

Skills

Agile management

.NET Core

Cloud deployment (AWS, Azure)

API development (REST, GraphQL)

Database design and optimisation

Problem-solving skills

Communication skills

Tools

MSSQL

MySQL

WPF

Job description

Principal Software Engineer - £78k - £90k

We're looking for a Principal Software Engineer to lead delivery of business-critical front office systems within a global trading and data environment. You'll head up a cross-functional team, collaborating with architects and engineers across regions to design distributed, event-driven, cloud-native solutions. This is a hands-on leadership role focused on quality, scalability and continuous improvement, with hybrid working available in the UK.

What you'll be doing

• Leading and managing a cross-functional engineering team delivering front office solutions
• Collaborating with architects and regional principal engineers to set and maintain engineering standards
• Designing and implementing distributed, event-driven cloud-native systems
• Taking ownership of delivery quality, ensuring solutions meet business needs and best practice
• Driving experimentation with tools, technologies and methodologies to improve delivery outcomes
• Communicating clearly on progress, raising impediments early to protect timelines

What we're looking for

Essential

• Proven track record managing and building cross-functional Agile engineering teams
• Experience designing, developing and maintaining distributed, event-driven, cloud-native systems
• Deep expertise in .NET Core and .NET Framework (C#)
• Experience designing and developing APIs (REST, GraphQL)
• Strong database design and optimisation (MSSQL, MySQL, etc.)
• Cloud deployment and management (AWS, Azure)
• Broad understanding of the SDLC with proactive involvement from design to post-release support
• Delivery-focused approach, able to challenge and refine designs to achieve best outcomes
• Excellent attention to detail and problem-solving skills, including use of POCs to validate approaches
• Strong communication and influencing skills across teams and stakeholders
• Experience building scalable and maintainable automated testing solutions

Desired

• WPF application development
• Experience with financial/trading platforms and financial markets
• Knowledge of FIX protocol and handling FIX interactions
• Deep knowledge of AWS services
• Experience with Java, JavaScript or React
• Familiarity with serverless architecture and microservices
• Experience with TDD, BDD or similar approaches

Apply here or reach out to Aaron Somers at Ocho for more information via LinkedIn.