Senior .NET Developer
  • England,South East,East Sussex,Brighton and Hove
  • Full Time, Permanent
  • £60,000 - £70,000 per annum
Job Description:
Senior .NET Developer


(AWS & AI Architecture)


Brighton, East Sussex (Hybrid)


Tech Stack: .NET 8, AWS, SQL Server, DynamoDB, Anthropic Claude AI


We are building a sophisticated CRM and Asset Management platform from the ground up, and we need a Senior .NET Developer to take total ownership of the backend. You’ll be one of two developers in a tight knit team, working alongside a Front-end specialist.


This isn’t just about maintaining code; you will be the architect of our cloud infrastructure, the designer of our hybrid database strategy, and the lead on integrating Anthropic Claude AI for intelligent automation.


Technical Requirements:
*Core Backend: C# and .NET 6/7/8 using ASP.NET Core Web API.
*Hybrid Data: You’ll lead a dual-database approach using SQL Server (Entity Framework Core) for relational CRM data and AWS DynamoDB for flexible, user-defined asset records.
*AWS Infrastructure: Hands on management of EC2, ECS, RDS, and S3, including setting up CI/CD pipelines (GitHub Actions or CodePipeline).
*AI Integration: Experience with the Anthropic Claude API (or similar LLMs).
*Security: Implementing robust authentication via JWT, OAuth 2.0, and ASP.NET Core Identity.


Other Requirements:
*Autonomy: You are comfortable being the sole backend developer, making architectural decisions.
*Problem Solver: You know when to use a relational schema and when to lean on NoSQL for speed and flexibility.
*Collaborator: You can design clean, documented APIs (OpenAPI/Swagger) that make life easy for your front-end partner.
*Agile Mindset: You enjoy a fast-paced environment where you can influence the product roadmap.


Desirable:
*Building CRMs or complex platforms from scratch.
*Experience with MediatR, CQRS, or event-driven background processing (SQS/Lambda).
*AWS Certifications (Developer or Solutions Architect).


For more information please contact Charles Jenson Recruitment
Job number 3731351

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Company Details:
Charles Jenson Recruitment Ltd
Company size: 1–4 employees
Industry: IT
Charles Jenson Recruitment are a fast growing IT & Technical recruitment agency, recognised for placing professionals in some of the UK’s larges...
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