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.

• 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

• 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

• 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

• 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.