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Azure Cosmos DB Admin and Developer-with Python, pyspark, CosmosDB, Azure

Azure Cosmos DB Admin and Developer-with Python, pyspark, CosmosDB, Azure

Hybrid

London, United kingdom

Freelance

25-02-2026

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Skills

Python C# SQL NoSQL CI/CD DevOps Monitoring Version Control Azure DevOps Azure Functions Azure Cosmos DB Test git Asp.Net Azure node.js Agile .NET .NET Core CI/CD Pipelines PySpark Microservices

Job Specifications

Job Title: Azure Cosmos DB Admin and Developer-with python, pyspark, Cosmos, Azure

Location: Hybrid, London UK (3days/Week Onsite)

Duration: 6months+ Contract Inside IR35

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

Desirable skills/knowledge/experience

Advanced proficiency in C#, ASP.NET, and .NET Core with strong object-oriented design principles

Priyanka Sharma

Senior Delivery Consultant

Office: 02033759240

Email: psharma@vallumassociates.com

About the Company

Vallum Associates offer best in class talent acquisition on a contingency, retained, or project basis. Through our dedicated sector consultants, our specialised brands have the knowledge and connections to provide tailored hiring and project services across industries : * Banking & Financial * Energy, Utilities & Commodities * Engineering & Renewable * Insurance Services Our specialised industry and sector specific consultants are able to offer a personalised experience to fit your needs. Our unique associate consultativ... Know more