Senior Software Engineer

Harrington Starr

London

On-site

GBP 70,000 - 110,000

Full time

14 days+

Get more replies from employers

Send a job-specific resume in minutes.

Benefits offered by this job

Private health & life insurance
Enhanced parental leave

Job summary

Harrington Starr seeks a C# .NET Software Engineer to help innovate in the financial services technology sector. This role involves designing and developing next-generation systems as part of a greenfield initiative to support business growth. With responsibilities spanning application development and collaboration with stakeholders, this position offers a competitive salary and distinctive perks.

Qualifications

  • 5+ years of core Java development experience.
  • Strong experience with GUI technologies (React, TypeScript, HTML5).
  • Expertise in microservices architectures.

Responsibilities

  • Design and develop next-generation Middle Office System.
  • Build highly scalable and performant applications.
  • Collaborate closely with business stakeholders.

Skills

Java
microservices
React
TypeScript
HTML5

Education

Bachelor's degree in Computer Science or equivalent

Tools

Spring Boot
Docker
Kubernetes
Git
Maven
Bamboo

Job description

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

Referrals increase your chances of interviewing at Harrington Starr by 2x

Sign in to set job alerts for “Software Engineer” roles.

London, England, United Kingdom 2 weeks ago

London, England, United Kingdom 1 week ago

London, England, United Kingdom 1 week ago

London, England, United Kingdom 2 weeks ago

London, England, United Kingdom 1 month ago

London, England, United Kingdom £35,000.00-£50,000.00 7 hours ago

London, England, United Kingdom 1 week ago

London Area, United Kingdom £35,000.00-£40,000.00 1 month ago

London, England, United Kingdom 4 weeks ago

London, England, United Kingdom 1 week ago

London, England, United Kingdom 11 months ago

London, England, United Kingdom 1 month ago

London, England, United Kingdom 1 week ago

London, England, United Kingdom 4 months ago

Front End Developer (Remote Fixed Term Contract)

London, England, United Kingdom 3 weeks ago

London, England, United Kingdom 2 weeks ago

Backend Junior Software Engineer - Remote 4 days a week (Europe)

London, England, United Kingdom $30,000.00-$40,000.00 1 week ago

London, England, United Kingdom 1 month ago

London Area, United Kingdom £55,000.00-£65,000.00 1 month ago

London, England, United Kingdom 3 weeks ago

London, England, United Kingdom 6 months ago

Graduate Software Engineer – Elite Fintech Startup (up to £100K + Bonus + Hybrid)

London, England, United Kingdom 5 months ago

London, England, United Kingdom 2 weeks ago

Associate / Junior Software Engineer (Full-Stack)

London, England, United Kingdom 2 weeks ago

London, England, United Kingdom 1 week ago

Romford, England, United Kingdom 2 weeks ago

Software Engineer Intern/Co-op (Fall 2025)

London, England, United Kingdom 1 week ago

London, England, United Kingdom 1 day ago

City Of London, England, United Kingdom £50,000.00-£60,000.00 2 weeks ago

London, England, United Kingdom 1 month ago

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

Get your free, confidential resume review.
or drag and drop your file here.
Similar jobs

Similar jobs worth comparing

Software Engineer (Real-Time Data/Distributed Systems) - Up to £300k + Industry Leading Bonus -[...]
Software Engineer (Real-Time Data/Distributed Systems) - Up to £300k + Industry Leading Bonus -[...]

Hunter Bond • London

Hybrid
Node.JS Engineer
Node.JS Engineer

Halian • London

On-site
GBP 50,000 - 60,000
Senior C++ Software Engineer Linux
Senior C++ Software Engineer Linux

Client Server • London

Hybrid
GBP 95,000 - 120,000
Pension (to 9% contribution)
Volunteer / charity days
Career development and training
Software Engineer
Software Engineer

Understanding Recruitment • City Of London

On-site
GBP 50,000 - 60,000
Junior Python Developer – Elite Trading Startup (up to £100K + Bonus + Hybrid)
Junior Python Developer – Elite Trading Startup (up to £100K + Bonus + Hybrid)

Hunter Bond • London

Hybrid
GBP 80,000 - 100,000
Exceptional professional growth opportunities
Access to state-of-the-art technologies
Highly competitive bonuses
+2
Junior C# Developer - Global Investment Firm - £80,000
Junior C# Developer - Global Investment Firm - £80,000

Saragossa • London

On-site
GBP 74,000 - 86,000
Software Engineer
Software Engineer

CipherTek Recruitment • Greater London

Hybrid
Senior C++ Developer
Senior C++ Developer

Peaple Talent • London

Remote
GBP 70,000 - 85,000
25 days of annual leave
Life Insurance
Critical Illness cover
+2
Senior Software Engineer - AWS, Node & Typescript
Senior Software Engineer - AWS, Node & Typescript

WRK digital • London

Hybrid
GBP 80,000 - 100,000
Personal development fund for training
MacBook Pro or preferred equipment
AXA Private Healthcare
+2
Software Engineer - Java
Software Engineer - Java

Starling Bank • London

Hybrid
GBP 50,000 - 80,000
25 days holiday plus bank holidays
Extra day off for birthdays
Company enhanced pension scheme
+3