Azure Cosmos DB Admin and Developer

Avance Consulting; London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading consulting firm is seeking an Azure Cosmos DB Admin and Developer in London. You will design and develop scalable, high-performance applications for the banking sector using Azure Cosmos DB, C#/.NET, and Node.js. Candidates should have strong experience with Azure services and be adept at monitoring performance. This is a critical role to support digital transformation initiatives in financial applications.

Qualifications

• Experience with concurrency patterns, CLR, and scalable application design.
• Deep understanding of Azure services including Azure Functions and AKS.
• Hands-on experience with Azure Cosmos DB for query optimisation.
• Familiarity with distributed systems and NoSQL data modelling.
• Experience with Git and continuous integration tools.
• Advanced proficiency in C#, ASP.NET, and strong object-oriented design.

Responsibilities

• Architect and develop cloud-native applications using Azure Cosmos DB.
• Design and implement partitioning strategies, indexing, and consistency models.
• Build reusable libraries and frameworks in C#/.NET or Node.js.
• Develop and maintain CI/CD pipelines using Azure DevOps.
• Monitor and optimise Cosmos DB performance using Azure Monitor.
• Implement automated testing and unit test frameworks.
• Collaborate with solution architects to integrate Cosmos DB into microservices.

Skills

Concurrency patterns

Azure services

Azure Cosmos DB

Git

C#

ASP.NET

NoSQL data modelling

Tools

Azure DevOps

C#/.NET

Node.js

Job description

Azure Cosmos DB Admin and Developer, London

Client:

Avance Consulting

Location:

London, United Kingdom

Job Category:

Other

EU work permit required:

Yes

Job Reference:

9d6baa22a4c5

Job Views:

5

Posted:

12.08.2025

Expiry Date:

26.09.2025

Job Description:

The Role

The DB Admin and Developer will play a critical role in designing and developing scalable, secure, and high-performance applications tailored for banking and financial services.

This role involves architecting cloud-native solutions using Azure Cosmos DB (SQL API and Mongo API), implementing effective partitioning strategies, indexing, and consistency models to support real-time financial data processing.

The developer will build reusable libraries and frameworks using C#/.NET or Node.js and establish robust CI/CD pipelines through Azure DevOps to streamline delivery and reduce operational overhead.

A key responsibility includes monitoring and optimizing Cosmos DB performance using Azure Monitor and Application Insights to ensure reliability and responsiveness of mission-critical systems.

The role will collaborate closely with solution architects and DevOps teams to integrate Cosmos DB into microservices architectures, while ensuring strict compliance with industry security, governance, and data protection standards.

This position directly contributes to the customer’s digital transformation journey by enabling agile, compliant, and resilient financial applications.

Your responsibilities

• Architect and develop cloud-native applications using Azure Cosmos DB (SQL API, Mongo API)
• Design and implement partitioning strategies, indexing, and consistency models
• Build reusable libraries and frameworks in C#/.NET or Node.js
• Develop and maintain CI/CD pipelines using Azure DevOps
• Monitor and optimise Cosmos DB performance using Azure Monitor and Application Insights
• Implement automated testing and unit test frameworks
• Collaborate with solution architects and DevOps teams to integrate Cosmos DB into microservices
• Ensure compliance with security, governance, and data protection standards

Essential skills/knowledge/experience

• Experience with concurrency patterns, CLR, and scalable application design
• Deep understanding of Azure services including Azure Functions, App Services, AKS, and Logic Apps
• Hands-on experience with Azure Cosmos DB including query optimisation and throughput management
• Familiarity with distributed systems and NoSQL data modelling
• Experience with Git, version control, and continuous integration tools
• Advanced proficiency in C#, ASP.NET, and .NET Core with strong object-oriented design principles