C# .Net Developer

Damia Group Ltd; City Of London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A technology solutions provider in London seeks an experienced C# .Net Developer with GenAI expertise for a hybrid role. The position involves developing AI solutions using Azure and AWS, optimizing models, and collaborating with experts. Candidates should possess strong C# .Net skills, familiarity with AI principles, and the ability to assist non-technical stakeholders. Experience with Azure and AWS tools is essential. Competitive rates from £500 to £650 are offered.

Qualifications

• Strong experience with C# .Net is essential.
• Knowledge of Azure functions is a plus.
• Familiarity with AI principles and ethics is required.

Responsibilities

• Develop AI solutions using C# .Net across Azure and AWS.
• Collaborate with domain experts to enhance GenAI capabilities.
• Provide guidance to non-technical team members.

Skills

C# .Net

Azure Functions

AI Principles

Data Safety in LLM Usage

AWS Technologies

Retrieval-Augmented Generation

Graph RAG

Tools

AWS (boto3, Bedrock, SageMaker, Lambda, S3, EC2)

Azure (OpenAI Service, Cosmos DB)

Job description

C# .Net Developer - 3 months+ - Hybrid - Rate circa 500- 650

We are looking for an experienced C# .Net Developer with experience of GenAI to join a team developing cutting edge AI solutions who will either have current and active SC clearance or have the ability to be able to obtain SC clearance.

You will provide solutions across both Azure and AWS technologies and importantly have a demonstrable background in C#.Net . This will be a very much collaborative role working with a range of domain experts. You will work on projects developing GenAI capabilities and provide guidance to non-technical people.

What you will bring to the team

• Solid C# .Net experience
• Fine-tune Large Language Models (LLMs) and other generative architectures.
• Optimise pre-trained models (OpenAI, Anthropic, or open-source LLMs) for business use cases using prompt engineering and reinforcement learning.
• Experiment with model configurations to balance performance, cost, and scalability.
• Build robust data pipelines for continuous model improvement and retraining.
• Ensure compliance with ethical AI and data governance standards (privacy, bias mitigation).
• Develop APIs, microservices, and integrations to embed GenAI models into enterprise workflows.
• Work with frontend and backend teams to deliver AI-driven features in production.

Required Skills

• Programming: C# .Net essential
• Azure functions knowledge
• Knowledge of AI principles and AI ethics
• Knowledge of data safety in LLM usage
• Experience with:
  • AWS: boto3, Bedrock, SageMaker, Lambda, S3, EC2
  • Azure: Azure OpenAI Service, Cosmos DB
• Retrieval-Augmented Generation (RAG), Graph RAG
• Embedding models and LLM training fundamentals

Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website.

Please note that no terminology in this advert is intended to discriminate on the grounds of a person's gender, marital status, race, religion, colour, age, disability or sexual orientation. Every candidate will be assessed only in accordance with their merits, qualifications and ability to perform the duties of the job.

Damia Group is acting as an Employment Business in relation to this vacancy and in accordance to Conduct Regulations 2003.