At a Glance
- Tasks: Build scalable cloud-native applications using Azure Cosmos DB and optimise data performance.
- Company: Join TCS, a purpose-led transformation company making a meaningful impact globally.
- Benefits: Enjoy competitive salary, health care, training resources, and wellness initiatives.
- Other info: Diverse and inclusive workplace with excellent career growth opportunities.
- Why this job: Be part of transformative projects in a dynamic financial services environment.
- Qualifications: Strong experience with Azure Cosmos DB and cloud development practices required.
The predicted salary is between 50000 - 70000 £ 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 - Azure Cosmos DB Developer!
TCS is a purpose-led transformation company, built on belief. We go beyond helping businesses transform through technology; we enable them to make a meaningful difference to the people and communities they serve. Our clients include leading organizations across the UK and globally.
At TCS, it means more, more opportunity to make an impact that matters through challenging projects that demand innovation, collaboration, and thought leadership.
Align technology solutions with business outcomes while building expertise in modern cloud and data platforms. Contribute to transformative projects within a global financial services environment. Design secure, scalable, and resilient solutions that support critical business operations and customer trust.
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.
Rewards & Benefits
TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network. We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon.
Diversity, Inclusion and Wellbeing
Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998. We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.
As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role.
Next Steps: Application Process
- Online application: You can apply directly through LinkedIn/ by uploading your CV.
- Skill-Based discussion: This will be a level 1 interview with the project team, it can be via video or in-person.
- Managerial discussion: This discussion will focus on behavioral aspects and person-organization fit.
- HR Discussion: This will be with one of the members of the HR team and will cover your career journey, aspirations for growth, compensation and any other questions you may have.
Beware of Fraudulent offers: This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorized any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests!
Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.
Join us and do more of what matters. Apply online now.
Azure Cosmos DB Developer in London employer: Tata Consultancy Services
At TCS, we pride ourselves on being a purpose-led transformation company that values innovation and collaboration. As an Azure Cosmos DB Developer in London, you'll enjoy a hybrid working model, competitive salary packages, and extensive training resources, all while contributing to impactful projects within a leading financial services environment. Our commitment to diversity, inclusion, and employee wellbeing ensures a supportive work culture where you can thrive and grow your career.
StudySmarter Expert Advice🤫
We think this is how you could land Azure Cosmos DB Developer in London
✨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
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✨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
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We think you need these skills to ace Azure Cosmos DB Developer in London
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.
