Mid-Level .NET Software Engineer — API & Platform

Ocho People; Belfast; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading technology firm in Belfast is seeking a mid-level Software Engineer specializing in .NET and C#. You'll work on a mission-critical platform, building robust software solutions and collaborating with experienced engineers. The role offers exposure to distributed systems and APIs, alongside a strong technical team. Benefits include a competitive salary and employer-paid private health insurance. Join a supportive engineering culture that values curiosity, ownership, and continuous improvement.

Benefits

Highly competitive salary

Employer-paid private health insurance

Pension scheme with employer-matched contributions

Generous annual leave

Occasional international exposure

Regular team events

Qualifications

• 3+ years of commercial software engineering experience.
• Strong hands-on experience with .NET and C#.
• Demonstrable debugging and problem-solving skills in live systems.
• Comfortable developing in Windows-based environments.
• Experience working on complex, data-heavy or transaction-driven systems is beneficial.

Responsibilities

• Build and evolve robust software solutions using .NET and C#.
• Contribute to the design and extension of APIs and backend services.
• Analyse and resolve issues across user-facing systems, services and data layers.
• Collaborate with engineering, infrastructure and support teams.
• Engage with end users to clarify requirements.

Skills

Commercial software engineering experience

.NET

C#

Debugging skills

Problem-solving skills

Communication skills

Education

Degree in Computer Science, Engineering, Mathematics or equivalent

Tools

Visual Studio

Windows

Linux

Job description

A leading technology firm in Belfast is seeking a mid-level Software Engineer specializing in .NET and C#. You'll work on a mission-critical platform, building robust software solutions and collaborating with experienced engineers. The role offers exposure to distributed systems and APIs, alongside a strong technical team. Benefits include a competitive salary and employer-paid private health insurance. Join a supportive engineering culture that values curiosity, ownership, and continuous improvement.