Senior C# .NET Backend Engineer — Fintech, Systems

Client Server; Newcastle upon Tyne; On-site; GBP 100,000 - 120,000; Full time

Benefits offered by this job

Salary to £120k + Bonus

25 days holiday

Social team atmosphere

Job summary

Client Server in Newcastle is seeking a Senior Software Engineer to design and develop backend services using modern C# and .NET. You will influence architecture and product direction within a high-caliber team.

As a senior engineer, you will tackle data-intensive distributed systems with performance and reliability requirements, contributing across the full software lifecycle from design to production delivery.

Qualifications

• Minimum 2.1 BSc in Computer Science or similar from a top-tier university with A-levels.
• Expertise with modern C# and .Net development.
• Strong knowledge of software architecture and distributed systems.
• Solid CS fundamentals: algorithms, data structures, OO design and system design.
• Experience with Python or fintech environments is a plus but not essential.

Responsibilities

• Design and develop backend services using C# and .NET.
• Influence architecture, design and product direction.
• Work on distributed, data-intensive systems with performance and reliability requirements.
• Collaborate with colleagues to deliver robust, production-grade software.

Skills

C# .NET

Distributed systems

Software architecture

Algorithms & data structures

Team collaboration

Python

Education

2.1 BSc in Computer Science or equivalent

Tools

Python

Job description

Client Server in Newcastle is seeking a Senior Software Engineer to design and develop backend services using modern C# and .NET. You will influence architecture and product direction within a high-caliber team.

As a senior engineer, you will tackle data-intensive distributed systems with performance and reliability requirements, contributing across the full software lifecycle from design to production delivery.