C# .Net Developer

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

Job summary

A leading tech recruitment agency is seeking a C# .Net Developer to join their team for 3 months, working in a hybrid model. The ideal candidate will have extensive experience in C# .Net, specifically in developing and fine-tuning GenAI capabilities across Azure and AWS environments. Responsibilities include building robust data pipelines and ensuring compliance with data governance standards. Offering a competitive rate between £500 and £650, this role requires current SC clearance or the ability to obtain it.

Qualifications

• Solid C# .Net experience essential for development.
• Knowledge of Azure and AWS technologies is required.
• Understanding of AI ethics and compliance standards.

Responsibilities

• Develop innovative AI solutions using C# .Net.
• Collaborate with teams on GenAI projects across Azure and AWS.
• Ensure ethical AI practices and data governance.

Skills

C# .Net

Azure Functions

AI principles

AWS experience

Retrieval-Augmented Generation

Tools

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

Azure (Azure OpenAI Service, Cosmos DB)

Job description

Job Title & Overview

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. You must have current and active SC clearance or be able to obtain SC clearance.

Responsibilities

You will provide solutions across both Azure and AWS technologies and work collaboratively with domain experts 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 and other generative architectures
• Optimize 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
• Experience with Azure: Azure OpenAI Service, Cosmos DB
• Retrieval-Augmented Generation (RAG), Graph RAG
• Embedding models and LLM training fundamentals

Agency / EEO Statement

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.