Senior Software Engineer- London

About The Role FDM is a global business and technology consultancy seeking a Software Engineer to work for our client within the Finance sector. This is initially a short-term engagement through to 31 December. The successful candidate will be expected to contribute quickly with minimal onboarding and work effectively within an established development environment. About You Requirements: Strong software engineering background with the ability to hit the ground running. Commercial experience in at least two of the following technologies: C# Python TypeScript Experience developing, maintaining and supporting production applications. Ability to work independently and contribute within an existing team structure. Strong problem-solving and debugging skills. Experience working in Agile development environments. Desirable Skills Experience across all three core technologies (C#, Python and TypeScript). Full-stack development experience. Exposure to cloud platforms and modern software development practices. Experience working on business-critical or enterprise-scale applications. Ideal Candidate Self-sufficient engineer requiring minimal ramp-up time. Proven track record of delivering quality code in fast-paced environments. Comfortable collaborating with cross-functional teams and adapting quickly to existing processes and codebases. About Us FDM is an award-winning global leader in tech and business talent solutions, backed by more than 35 years of industry experience. We have centres across Europe, North America, and Asia-Pacific, and a global workforce of over 2500 employees. FDM has shown exponential growth throughout the years, firmly establishing itself as an award-winning employer, currently listed on the FTSE4Good Index and as a 2026 Financial Times UK ‘Best Employer’. Diversity and Inclusion FDM Group is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, national origin, age, disability, veteran status or any other status protected by federal, provincial or local laws. Why join us Career coaching, mentoring and access to upskilling throughout your entire FDM career Assignments with global companies and opportunities to work abroad Opportunity to re-skill and up-skill into new areas, develop non-linear career paths and build a skillset within your field Annual leave and work-place pension