Principal C# Developer.Net Aws - Fintech

Client Server; Greater London; Hybrid; GBP 72,000 - 120,000; Full time

Benefits offered by this job

Bonus (20%)

Pension (5% employer contribution)

25 days holiday (increasing to 27 then

Life Assurance (4x base salary)

Employee Assistance Programme

Training and development

Job summary

Client Server in London is seeking a Principal C# Developer to architect and build scalable solutions using the Microsoft stack, with exposure to AWS and Python. You will contribute across Agile teams and help drive AI initiatives in a growing FinTech environment.

This role offers hybrid working with two days in the London office and two days remote, reporting into the CTO with visibility into impact and career progression.

Qualifications

• Strong C# backend development skills and experience with .Net AWS.
• Experience with building highly scalable systems and solid CS fundamentals.
• Interest in Artificial Intelligence and exploring AI tooling like ChatGPT or similar.

Responsibilities

• Architect and build scalable solutions using the Microsoft tech stack.
• Advocate best practices and ensure delivery to schedule.
• Collaborate with cross-functional teams in Agile sprints and drive AI adoption.

Skills

C# backend development

Python coding

AWS knowledge

OOP fundamentals

Design patterns

Job description

Principal C# Developer.Net AWS - FinTech Client Server London, England

Principal C# Developer / Engineer (C# .Net AWS Python) London / WFH to £120k

Would you like to join a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression?

As a Principal C# Developer you will architect and build highly performant and scalable solutions using the Microsoft tech stack and SOLID design principles, collaborating with cross functional Agile project teams in 2 week Sprints, you'll be an advocate of best practice and ensure software is delivered to schedule.

There's a host of new features and development work and you'll also help to drive the adoption of AI within the business, introducing things like chat bots and exploring the use of AI to make process improvements.

This is an impactful role where you'll report into and collaborate with the CTO, you'll have a lot of visibility and quickly see the results of your work.

Location / WFH:

There's a hybrid policy, with two days in the brand new London offices and flexibility to work from home two days a week (Thursdays and Fridays).

About you:

• You are an experienced Software Developer / Engineer with a strong knowledge of modern best practice
• You have strong C# backend development skills, ideally also Python coding skills
• You have a good knowledge of AWS
• You have experience of working on highly scalable systems
• You have a strong knowledge of Computer Science fundamentals such as OOP, Data Structures, Design Patterns
• You have experience with, or a strong interest in Artificial Intelligence and are keen to explore the possibilities further e.g. ChatGPT, Claude, Cursor, Copilot
• You have strong analysis and problem solving skills alongside organisation and planning abilities
• You have business acumen and advanced communication / stakeholder management skills

What's in it for you:

As a Principal C# Developer you will earn a competitive package including:

• Salary to £120k
• Bonus (c20%)
• Pension (5% employer contribution)
• 25 days holiday (increasing to 27 after two years and 30 after)
• Life Assurance (4x base salary)
• Employee Assistance Programme
• Range of training, career development and supported learning
• Impactful role working on cutting edge technology

Full-time