Azure Cosmos DB Developer

Azure Cosmos DB Developer

Full-Time 60000 - 80000 £ / year (est.) Home office (partial)
Tata Consultancy Services

At a Glance

  • Tasks: Develop cloud-native applications using Azure Cosmos DB and optimise data performance.
  • Company: Join TCS, a purpose-led transformation company making a meaningful impact.
  • Benefits: Enjoy competitive salary, hybrid working, and opportunities for professional growth.
  • Other info: Dynamic team culture with excellent career advancement opportunities.
  • Why this job: Be part of transformative projects in a leading financial services environment.
  • Qualifications: Strong experience with Azure Cosmos DB and cloud development practices required.

The predicted salary is between 60000 - 80000 £ per year.

Role: Azure Cosmos DB Developer

Job Type: Permanent

Location: London, UK

Mode of Working: Hybrid

Working Hours: 40 hours per week (Full-time)

Are you looking to build scalable cloud-native applications and data platforms using Azure technologies? We have an exciting opportunity for you!

At TCS, we enable businesses to make a meaningful difference to the people and communities they serve. Our clients include leading organizations across the UK and globally. This role offers more opportunity to make an impact that matters through challenging projects that demand innovation, collaboration, and thought leadership.

The Role

As an Azure Cosmos DB Developer, you will play a key role in transforming critical application and data engineering capabilities within a leading financial services environment. You will be responsible for developing cloud-native solutions using Azure Cosmos DB and Microsoft Fabric, optimizing data performance, and supporting scalable, high-quality data engineering practices. The role requires strong technical expertise in NoSQL databases, distributed computing, and modern cloud development practices.

Key Responsibilities

  • Develop cloud-native applications using Azure Cosmos DB, including SQL API and MongoDB API.
  • Design and implement efficient NoSQL data models aligned with application and business requirements.
  • Optimize database performance through effective partitioning, indexing strategies, and query tuning.
  • Develop and maintain Cosmos DB queries to improve performance and minimize RU consumption.
  • Leverage Cosmos DB Change Data Feed (CDF) capabilities to support data integration and processing solutions.
  • Design and implement PySpark data pipelines using Microsoft Fabric.
  • Establish and maintain CI/CD pipelines using GitLab to support automated deployment and delivery.
  • Develop and maintain unit and integration tests using Pytest and associated testing frameworks.
  • Collaborate with architects, developers, and DevOps teams to integrate Cosmos DB into microservices-based solutions.
  • Ensure compliance with security, governance, and data protection requirements.
  • Troubleshoot performance, integration, and data processing issues across cloud-native environments.

Your Profile

Essential skills/knowledge/experience

  • Strong hands-on experience with Azure Cosmos DB, including query optimization, throughput management, and performance tuning.
  • Thorough understanding of Cosmos DB Change Data Feed (CDF) and integration with Spark-based solutions.
  • Experience working with Cosmos DB SDKs in technologies such as .NET, Java, Python, or Node.js.
  • Strong understanding of distributed computing concepts and Apache Spark architecture.
  • Hands-on experience developing data pipelines using PySpark.
  • Experience with Pytest and automated testing frameworks.
  • Strong understanding of partitioning, indexing strategies, and consistency models within Cosmos DB.
  • Experience building scalable applications and working with concurrency patterns.
  • Experience with Git, version control systems, and CI/CD tooling.
  • Strong analytical, problem-solving, communication, and stakeholder management skills.

Desirable skills/knowledge/experience

  • Advanced proficiency in C#, ASP.NET, and .NET Core.
  • Strong understanding of object-oriented design principles and software engineering best practices.
  • Experience developing microservices-based architectures.
  • Familiarity with Azure cloud-native services and modern DevOps practices.
  • Experience within financial services or highly regulated environments.

Azure Cosmos DB Developer employer: Tata Consultancy Services

Tata Consultancy Services (TCS) is an exceptional employer that prioritises purpose-led transformation, offering employees the chance to work on impactful projects within a dynamic and collaborative environment. Located in London, TCS provides a hybrid working model, fostering a culture of innovation and continuous learning, while also supporting employee growth through diverse opportunities in cloud-native application development. With a commitment to diversity, inclusion, and wellbeing, TCS stands out as a place where you can truly make a difference in the communities you serve.

Tata Consultancy Services

Contact Details:

Tata Consultancy Services Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Azure Cosmos DB Developer

Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Tata Consultancy Services or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Tata Consultancy Services.

Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Tata Consultancy Services.

Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Tata Consultancy Services that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Azure Cosmos DB Developer

SQL
Python
Problem-Solving Skills
Data Engineering
Communication Skills
Data Pipeline Development
API Integration

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Tata Consultancy Services.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Tata Consultancy Services and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at Tata Consultancy Services

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Tata Consultancy Services uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.