Full Stack Engineer

Role: Senior Full Stack Developer

Job Type: Permanent

Location: London, UK / Hybrid

Number of Hours: 40 hours per week – full time

Ready to apply your expertise in full stack development?

We have an exciting opportunity for you – Senior Full Stack Developer!

Careers at TCS: It Means More.

TCS is a purpose‑led transformation company, built on belief. We don’t just help businesses transform through technology — we support them in making a meaningful difference to the people and communities they serve. Our clients include some of the biggest brands in the UK and worldwide. For you, it means more — more opportunity, more challenge, and more impact through high‑value, innovative programmes.

• Build strong relationships with a diverse range of stakeholders.
• Gain access to extensive learning and development opportunities.
• Collaborate closely with teams across the business to bring products to life.

The Role

As a Senior Full Stack Developer, you will design and deliver end‑to‑end application solutions using cloud platforms such as Azure, AWS or GCP, alongside modern technologies including NoSQL databases, Python, React, TypeScript and DevOps tooling. You will work on cutting‑edge projects, develop scalable applications and collaborate with cross‑functional teams to deliver high‑quality solutions.

Key Responsibilities

• Own the end‑to‑end architecture across front‑end, back‑end, APIs, data and system integrations.
• Define reference architectures, technology standards and design principles for development teams.
• Make strategic technical decisions balancing scalability, security, cost efficiency and delivery speed.
• Design and develop accessible, secure and scalable front‑end applications using React and TypeScript.
• Establish standards for state management, authentication flows and UI/UX consistency.
• Architect back‑end services using Node.js or Python, including REST APIs and event‑driven patterns.
• Apply microservices principles, resiliency patterns and fault‑tolerant design.
• Model and manage relational and NoSQL databases such as MongoDB and Postgres, including caching and data access strategies.
• Architect cloud‑native solutions on AWS, Azure or GCP, incorporating CI/CD pipelines and Infrastructure as Code.
• Build for high availability, disaster recovery, cost optimisation and embedded observability.
• Apply secure coding practices and design robust authentication, authorisation and data‑protection models.
• Ensure compliance with enterprise security policies and regulatory standards.

Your Profile

Essential skills / knowledge / experience

• Hands‑on experience in software development and solution architecture.
• Deep expertise in Azure, AWS or GCP cloud services.
• Strong background in backend development (TypeScript, React, Node.js, Python), REST APIs and microservices.
• Experience working with NoSQL databases such as MongoDB or Postgres.
• Proficiency with CI/CD pipelines, Infrastructure as Code and DevOps practices.
• Excellent communication and presentation skills, with the ability to articulate complex concepts clearly.
• Familiarity with AI/ML integration and secure cloud architecture is an advantage.

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.

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 believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity and inclusion motto is ‘Inclusion without Exception’. Our continued commitment to Culture and Diversity is reflected across our workforce implemented through equitable workplace policies and processes.

You’ll find a welcoming culture and many internal volunteering and social networks to join (these are optional). Our diversity, inclusion and social activities include 12 employee networks such as gender diversity, LGBTQIA+ & Allies, mental health, disability & neurodiversity inclusion and many more, as well as health & wellness initiatives and sports events and we sponsor the London Marathon.

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.

If you are an applicant who needs any adjustments to the application process or interview, please contact us at UKI.recruitment@tcs.com with the subject line: “Adjustment Request” or call TCS London Office 02031552100 to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.

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