Software Engineer – C# / Java

Back to results Software Engineer – C# / Java 22531 Posted: 09/10/2026

• £60000 - £80000 plus bonus and benefits
• London, , United Kingdom
• Permanent
• Software Engineering

Software Engineer – C# / Java
Key Technologies: C# and or Java Developers needed.
London
Perm Role | 3 Days a week in the office.
£55,000 - £65,000
Harrington Starr has partnered with a well-established Financial Consultancy to find a Full Stack Developer at the Associate level. This is a hands-on development role, supporting a range of internal systems across trading and business operations.
Key Responsibilities:

• Develop and maintain software using C#, and or Java
• Integrate real-time and historical data from third-party APIs
• Follow agile sprint plans and deliver reliable, secure solutions
• Ensure systems meet regulatory and cybersecurity standards

Key Benefits:

• Salary up to £80000 depending on experience
• 3 days onsite in a central London office
• Exposure to front-to-back-office technology and teams
• Strong bonus and benefits package

Key Requirements:

• Experience in financial services or trading environments
• Proficiency in C#, and or Java OOP
• Experience working with APIs and market data (e.g. Bloomberg, Fidessa)
• Strong communication, problem-solving, and collaboration skills

Other Information:

• Agile working culture in a fast-paced environment
• No visa sponsorship – candidates must have full UK working rights
• Ideal for developers looking to grow in a cross-functional financial tech team
• Direct communication with business and technical stakeholders

We are looking for Engineers who are client facing and interested in exploring the world of Financial Consulting – You will be working with both external and internal stakeholders. A great opportunity to join a Global Consultancy where you will work on a range of Engineering projects within the Financial Space.
  Hari Sopal Vice President

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