Senior .NET Developer

Ocho People; Lisburn; Hybrid; GBP 65,000 - 70,000; Full time

Job summary

A financial technology company in Lisburn is seeking a Senior Software Engineer specializing in .NET to contribute to a major digital transformation. This role includes the development of enterprise-level software, designing scalable microservices, and impacting architectural decisions. Ideal candidates have experience in regulated environments, a strong command of cloud technologies, and excellent communication skills. The position offers a salary between £65,000 and £70,000 and a hybrid working pattern.

Benefits

Hybrid working pattern

Direct impact on digital transformation

Genuine progression and leadership potential

Qualifications

• Strong background in backend engineering using .NET Core and C#.
• Proven experience building robust systems in financial or other regulated environments.
• Solid grasp of cloud technologies, preferably Azure.

Responsibilities

• Develop and enhance enterprise-level software using C# and .NET Core.
• Design microservices and APIs that support scalable, cloud-first platforms.
• Work collaboratively with product, DevOps and QA to deliver production-ready features.

Skills

Backend engineering using .NET Core and C#

Building robust systems in regulated environments

Cloud technologies (especially Azure)

Database design knowledge (SQL, NoSQL)

CI/CD pipelines and automated testing

Excellent communication skills

Job description

Senior Software Engineer (.NET) - Financial Systems | Lisburn | £65-70k

A rapidly growing financial technology business is undertaking a complete modernisation of its digital ecosystem and is looking for an experienced .NET engineer to play a key role in that journey. You'll help design and deliver high-performing software that underpins critical financial services, shaping both the technical direction and engineering culture.

This position offers a mix of greenfield product development and modernisation of core systems, with the freedom to influence architecture, development practices and technical standards.

What you'll do

• Develop and enhance enterprise-level software using C# and .NET Core
• Design microservices and APIs that support scalable, cloud-first platforms
• Work collaboratively with product, DevOps and QA to deliver production-ready features
• Apply modern design patterns, testing frameworks and CI/CD principles
• Participate in architectural discussions and mentor team members
• Contribute to the organisation's wider technology roadmap and delivery improvements

What we're looking for

• Strong background in backend engineering using .NET Core and C#
• Proven experience building robust systems in financial or other regulated environments
• Solid grasp of cloud technologies (preferably Azure) and containerised deployments
• Strong database design knowledge, ideally with SQL and exposure to NoSQL options
• Experience with CI/CD pipelines, automated testing, and modern DevOps tooling
• Excellent communicator who can engage confidently with technical and non-technical stakeholders

What's on offer

• £65,000-£70,000 depending on experience
• Hybrid working pattern based from Lisburn
• Direct impact on a long-term digital transformation programme
• Genuine progression and leadership potential

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