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.NET Full Stack Senior Software Engineer

00070643261

.NET Full Stack Senior Software Engineer

We are seeking talented professionals to join a high-profile digital transformation programme for a leading global fashion retailer. This team plays a pivotal role in delivering the high-quality imagery, video, and digital content that power customer experiences across multiple markets. Supported by significant investment in advanced technologies, AI-enabled content solutions, and cloud-native platforms, the programme is evolving from traditional production workflows to a scalable, data-driven content ecosystem. This transformation enables faster speed to market, enhanced personalisation, and more immersive shopping experiences for millions of customers worldwide. The role offers a unique opportunity to contribute to innovative solutions at the intersection of creativity, technology, and operational excellence, while working within a collaborative, forward-thinking delivery team focused on driving measurable business impact.

What you’ll be doing

As a Senior Software Engineer, you'll play a pivotal role in shaping the technology behind a business-critical content production and delivery platform for a leading global fashion retailer. Working with modern agentic AI and accelerated development practices, you'll help build and evolve applications using .NET Core, React, Docker, and Kubernetes, while championing engineering best practices such as TDD and CI/CD automation. Your work will directly support the creation, management, and delivery of high-quality digital content at scale, enabling engaging customer experiences for millions of users worldwide.

  • Work as part of an enthusiastic and motivated Agile development team that takes pride in delivering high-quality software into production.
  • Collaborate closely with business analysts, product stakeholders, and engineers to break down feature requirements into well-defined backlog items for development.
  • Continuously enhance and improve existing codebases, platforms, and technologies while contributing to the design and delivery of new features and capabilities.
  • Contribute to the adoption of engineering best practices, ensuring solutions are scalable, maintainable, and aligned with modern software development standards.
  • Mentor junior team members, share technical knowledge, and support the team in achieving sprint goals and delivery commitments.
  • Work collaboratively across cross-functional teams to deliver innovative solutions that drive operational efficiency and business value.


Key Skills and Experience

  • A customer first mind set
  • Expertise and experience in a broad base of technologies, ideally .NET Core (C#) & ASP.NET Core, CosmosDB, SQL, Azure ServiceBus, AKS, React/node.js
  • Agentic & vibe coding practices
  • A good understanding of the Application Lifecycle and a solid understanding of Quality Assurance, Database Engineering and Build and deployment
  • An appreciation for a properly layered architecture
  • An ability to understand and model the business domain
  • In-depth knowledge of the tools and practices available and appropriate to each phase of software delivery, such as:
    • DDD, TDD, BDD, Integration Testing, Performance Testing
    • CQRS, Event Sourcing, Event Storming
    • CI, Continuous Delivery, Build Automation
    • JavaScript and associated UI frameworks and web technologies
    • Relational and non-relational database technologies (e.g. SQL Server and Cosmos)
    • Cloud based development & delivery platforms (ideally Microsoft Azure)
  • Strong interpersonal and communication skills
  • A constant drive for self-improvement
  • An ability to actively promote ideas and techniques within the team
  • A desire to be at the forefront of technical discussion and design
  • A product focus with a desire to build great experiences for our customers

Additional eligibility requirements:

· Candidates must currently reside in the UK.

  • Candidates must be available to start within 4 weeks of receiving an offer.

Things to know before you apply

  • Work authorization: Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.
  • Accommodations: If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.
  • AI in hiring: We use artificial intelligence (AI) tools to help us screen and assess applications more efficiently. Our team performs additional human review and ultimately decides who moves forward in our hiring process.
  • Open position: Unless otherwise stated, this job posting is for an open position on our team.
  • Language proficiency: We ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.
  • Inclusion: Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, provincial or local laws.

About Cognizant
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.

Benefits that help you thrive and grow

Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.

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Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include financial education, a pension plan with matching contributions, etc.

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Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more. 

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Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.

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Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Your path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

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Step 1: Apply to the right opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

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Step 2: Connect with your recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

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Step 3: Show off your skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

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Step 4: Decision time

Our team will then review each candidates’ potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us—but you can count on us to keep you updated.

CAN Brigitte
Cognizant is great for those wanting to make the world a better place, as we create solutions with top technology partners to address complex problems for our clients.
Brigitte Roy Director of Strategy Alliances
CAN Rahul
I’m supported by motivational leaders who empower me to grow in my career through learning programs, industry conferences and internal job moves. I’m proud of the career progression I’m making here.
Rahul Sathe Principal Product Architect – Insurance
Can Amita
The moment I joined Cognizant, I felt like I belonged. I was heard and empowered to challenge ideas—and I still am to this day.
Dr. Amita Oppal Gill Service Line Sales Manager
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Cognizant has one of the best learning ecosystems you can ask for. From sponsored certifications to training platforms to mentorship, we have all that we need to grow.
Debashish Mishra SAP MM Developer

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