Adzuna
R&D Software Engineer
FDM Group
London, UK
£70,000 – £70,000
Contract
On-site
13 days ago
About The Role FDM is a global business and technology consultancy seeking a Software Engineer to support our client within the Defence and…
FDM is a global business and technology consultancy seeking a Software Engineer to support our client within the Defence and Secure Technology sector. This is an initial 6-month contract with potential to extend, offered on a hybrid basis in London with two days per week onsite. Candidates must be eligible for UK security clearance (or already hold clearance).
The role will support a new secure innovation project focused on early-stage R&D and rapid prototyping. The position will contribute to the delivery of a Technology Readiness Level (TRL) 3 proof of concept, demonstrating how security-first engineering and emerging technologies such as AI can enhance collaboration and information sharing in high-trust, defence-aligned environments.
This opportunity is well suited to engineers who enjoy experimentation, fast iteration, and working in environments where requirements evolve as new discoveries and requirements emerge.
Responsibilities
Design and build rapid proof-of-concept applications within a secure development environment.
Develop user-focused solutions with a strong emphasis on usability, user experience, and rapid iteration.
Contribute to the enhancement and extension of an existing .NET-based platform and distributed computing architecture.
Apply distributed computing principles to build scalable, resilient, and secure solutions.
Integrate AI and machine learning capabilities into prototype applications, including the selection, evaluation, and implementation of appropriate models.
Collaborate with technical architects and engineering teams to align new capabilities with existing platform architecture.
Apply security-first engineering principles to collaboration and information-sharing challenges.
Produce maintainable, well-structured code and supporting technical documentation.
Work closely with engineers, security specialists, and product stakeholders throughout the prototyping lifecycle.
About You
Minimum of 5 years' experience in software engineering, R&D, or prototyping-focused roles.
Strong experience developing applications within the Microsoft .NET ecosystem, including modern C# development.
Experience working with distributed systems, distributed computing concepts, or actor-based architectures.
Proven track record of delivering rapid prototypes, proofs of concept, or innovation-focused software solutions.
Strong appreciation for user-centred design and building intuitive user experiences.
Experience integrating AI, machine learning, or advanced analytics capabilities into software applications.
Ability to evaluate, select, and integrate appropriate AI models, including large language models and related technologies.
Understanding of software architecture, systems design, and modern development practices.
Experience working within secure, restricted, regulated, or defence-aligned environments is advantageous.
Ability to operate effectively in ambiguous environments where requirements evolve rapidly.
Eligibility for UK Security Clearance or the ability to obtain clearance.
Desirable Experience
Competent in a .NET ecosystem and with distributed computing concepts
Experience working with AI frameworks, LLM integrations, and model orchestration tools.
Exposure to cloud-native architectures and secure deployment environments.
Experience supporting research, innovation, or experimental technology programmes.
Experience developing solutions for defence, national security, or highly regulated sectors.
Neutral 2–4 sentence summary of what working at this company is like, drawn from public reviews and press coverage. Tone, collaboration style, pace, benefits highlights.
About The Role FDM is a global business and technology consultancy seeking a Software Engineer to support our client within the Defence and…