Principal Software Engineer C# .Net AWS - FinTech

Client Server Limited; Little London; Ibrido; GBP 117.000 - 143.000; Tempo pieno

Vantaggi offerti da questo lavoro

Bonus (20%)

Pension 5% employer contribution

25 days holiday

Life Assurance 4x base salary

Employee Assistance Programme

Training & development

Descrizione del lavoro

Client Server Limited in London is seeking a Principal Software Engineer to architect and build scalable solutions using C#/.NET on AWS, with Python, in a FinTech scale-up.

This senior role offers hybrid work with two days in the London office and two days remote, reporting to the CTO. You will drive AI initiatives and lead cross-functional technical projects with strong stakeholder engagement.

Competenze

• Experience in C# backend development and Python.
• Strong knowledge of AWS and scalable systems.
• Ability to lead technical projects and coordinate with cross-functional teams.

Mansioni

• Architect and build scalable solutions on the Microsoft stack.
• Collaborate with Agile teams in 2-week sprints.
• Drive adoption of AI initiatives (e.g., chat bots) within the business.
• Report to the CTO and influence architectural decisions.

Conoscenze

C# backend

Python

AWS

Scalable systems

Technical leadership

Descrizione del lavoro

Principal Software Engineer / Developer (C# .Net AWS Python) London / WFH to £130k

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 Software Engineer 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 good knowledge of AWS
• You have experience of working on highly scalable systems
• You have technical project leadership experience
• You have experience in a FinTech or start-up environment
• 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 Software Engineer you will earn a competitive package including:

• Salary to £130k
• 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

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