winterchill jobs
← all jobs
linkedin

Staff Engineer C# .Net AWS Python - FinTech

Client Server· London, England, United Kingdom· Up to £120,000/yr
Posted 21 Sept 2026 · Added 21 Sept 2026, 14:59
Client ServerRecruitment agencyfounded 1999
Levels.fyi · global comp
View original on linkedin
See how well this job fits your CV.

Free Tailor for ATS: 10/10 runs left

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

Would you like to join a growing and profitable scale-up recognised as a leading FinTech disruptor, where you'll have significant influence, visibility and genuine opportunities for progression?

As a Staff Engineer, you'll play a key role in shaping the technology strategy, architecting and building highly performant, scalable solutions across the Microsoft technology stack. Collaborating closely with cross-functional Agile teams in two week sprints, you'll champion engineering best practice, drive technical standards and ensure high quality software is delivered on schedule.

There's plenty of new development ahead, with a range of new features and initiatives to shape. You'll also play a key role in driving the adoption of AI across the business, exploring opportunities such as chatbots, automation and AI powered process improvements.

This is a high-impact position with excellent visibility across the organisation. Reporting directly to and working closely with the CTO, you'll have a genuine voice in technical direction and the opportunity to see the direct results of your work as the business continues to grow.

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 Engineer / Developer with a strong knowledge of modern software engineering best practices

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 Staff Engineer / 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

Apply now to find out more about this Staff Engineer / Developer (C# .Net AWS Python) opportunity.