Senior Software Engineer

Senior Software Engineer

London Full-Time 85000 - 110000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Develop innovative applications and enhance existing systems in a dynamic FinTech environment.
  • Company: Join a cutting-edge FinTech start-up with ambitious growth plans.
  • Benefits: Enjoy a competitive salary, fully remote work, and opportunities for professional development.
  • Why this job: Make a real impact by building greenfield applications and collaborating with C-suite executives.
  • Qualifications: 5+ years in C#, .NET, and experience with cloud-based microservices.
  • Other info: Be part of a fast-paced team with excellent career growth potential.

The predicted salary is between 85000 - 110000 £ per year.

This range is provided by Harrington Starr. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Direct message the job poster from Harrington Starr

Recruiting for C# .NET Software Engineers within the Financial Services Technology space in The City of London and Greater London. Get in touch for…

Senior Full Stack Engineer

London, UK – Fully Onsite

Harrington Starr has partnered with a leading financial institution on a mission to transform investment banking through cutting-edge technology. Their Investment Banking Middle Office Technology team plays a crucial role in enabling efficient trade management with institutional counterparties.

As part of their greenfield initiative, they\’re rebuilding their Middle Office Systems using modern, scalable technologies to support business growth and innovation.

Key Responsibilities:

  • Design and develop next-generation Middle Office System
  • Build highly scalable and performant applications
  • Take ownership of full automation, production deployments, and monitoring
  • Collaborate closely with business stakeholders to shape solutions
  • Contribute to agile best practices

Key Requirements:

  • 5+ years of core Java development experience
  • Expertise in microservices architectures (Spring Boot, Docker, Kubernetes)
  • Strong experience with GUI technologies (React, TypeScript, HTML5)
  • Experience in full SDLC (Git, Maven, Bamboo)
  • Strong understanding of modern software design & architecture
  • A proactive mindset and a collaborative approach
  • Up to £110,000 base salary
  • Private health & life insurance
  • Enhanced parental leave

Please apply via the link or reach out to me directly to discuss this opportunity in more detail – ollie.bluck@harringtonstarr.com

Seniority level

  • Seniority level

    Mid-Senior level

Employment type

  • Employment type

    Full-time

Job function

  • Job function

    Engineering and Information Technology

  • Industries

    Investment Banking, Financial Services, and Software Development

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Senior Software Engineer employer: Harrington Starr

Join an innovative FinTech start-up that offers a fully remote working model, allowing you to thrive in a flexible environment while contributing to cutting-edge projects. With a competitive salary of up to £110,000 and opportunities for professional growth, you'll be at the forefront of developing scalable applications and collaborating with key stakeholders, making a significant impact on the company's success.
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Contact Detail:

Harrington Starr Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Software Engineer

Tip Number 1

Network like a pro! Reach out to your connections in the FinTech space, especially those who work with C#, .NET, or microservices. A friendly chat can lead to insider info about job openings that aren't even advertised yet.

Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving low-latency applications or cloud-based solutions. This gives potential employers a taste of what you can bring to their team.

Tip Number 3

Prepare for the interview by brushing up on TDD and Event Driven Development. Be ready to discuss how you've used these methodologies in your past roles. We want to see your thought process and problem-solving skills in action!

Tip Number 4

Don't forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who take the initiative to connect directly with us.

We think you need these skills to ace Senior Software Engineer

C#
.NET
Microservices
Docker
Kubernetes
AWS
Azure
TDD (Test Driven Development)
Event Driven Development
Scalable Application Development
Low-Latency Application Development
Greenfield Application Development
Collaboration Skills
Communication Skills
Ownership and Initiative

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with C#, .NET, and microservices. We want to see how your skills align with our needs, so don’t be shy about showcasing your relevant projects!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Tell us why you’re excited about the role and how your background in developing low-latency applications makes you a perfect fit for our team.

Showcase Your Problem-Solving Skills: In your application, share examples of how you've tackled challenges in previous roles. We love seeing candidates who can take ownership and drive solutions, especially in a start-up environment!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from our team!

How to prepare for a job interview at Harrington Starr

Know Your Tech Stack Inside Out

Make sure you’re well-versed in C#, .NET, and the microservices architecture. Brush up on Docker and Kubernetes, as these are crucial for the role. Be ready to discuss your past projects and how you’ve used these technologies to solve real-world problems.

Showcase Your Problem-Solving Skills

Prepare to talk about specific challenges you've faced in previous roles, especially in developing low-latency applications. Use the STAR method (Situation, Task, Action, Result) to structure your answers and demonstrate your thought process.

Emphasise Collaboration and Communication

As a Senior Software Engineer, you’ll need to work closely with various stakeholders. Be prepared to share examples of how you’ve successfully collaborated with teams or communicated complex ideas to non-technical colleagues. This will show that you can bridge the gap between tech and business.

Demonstrate Ownership and Initiative

This role requires an independent self-starter who can take ownership of projects. Share instances where you’ve led initiatives or developed greenfield applications. Highlight your ability to drive projects from concept to completion, showcasing your proactive approach.

Senior Software Engineer
Harrington Starr
Location: London
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