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Harrington Starr

Senior Software Engineer

United Kingdom
£85k – £110k/yr
Posted about 17 hours ago
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Senior Software Engineer

Tech Stack: C#,.NET, Microservices, Docker, Kubernetes, AWS/ Azure

Location: United Kingdom

Role: Full Remote: Perm Role

Salary: £85,000 - £110,000

Harrington Starr has partnered with an innovative start-up FinTech who specialise in providing market access and data from their ultra low-latency platform to financial service firms, leading exchanges and single dealers across digital assets, FIX and more.

They are looking to hire a Senior C#,.NET Engineer with strong experience in start-up/ scale up firms, able to take ownership of developing new applications, adding features to existing systems and contributing to the growth and success of the companies core products.

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Strong

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Key Requirements:

  • Extensive C#,.NET development experience (5+ years)
  • Strong experience developing highly scalable, low-latency applications
  • Good hands on development experience with cloud based, microservice architecture (Docker, Kubernetes)
  • Extensive experience with TDD and Event Driven Development.
  • Independent self starter, confident with taking ownership of developing greenfield applications
  • Strong collaborator and communicator
  • 2:1 in BSc Computer Science or related Mathematics based degree

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Key Benefits:

  • Excellent base salary up to £110,000 based on experience
  • Fully remote working model
  • Involvement with a very exciting FinTech with huge plans for growth and opportunities to build greenfield applications and add features to their existing products
  • Interaction with key internal stakeholders (C-Suite)

If you would like to book in a confidential phone call to discuss this opportunity in further detail, please apply below or send through a copy of your up-to-date CV via email to ollie.bluck@harringtonstarr.com.

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Skills

C#
.NET
Microservices
Docker
Kubernetes
AWS
Azure
TDD
Event Driven Development
Low-latency applications
Scalable applications
Software Development

Location

United Kingdom

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