Gen AI Senior Engineer

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Job Title: Gen AI Senior Engineer

Job Type: Permanent

Location: Norwich

Hours: 40 hours per week – Full time

Are you looking to apply your expertise in generative AI to design and deliver cutting‑edge solutions at enterprise scale?

We have an exciting opportunity for you – Gen AI Senior Engineer!

Careers at TCS: It means more

TCS is a purpose-led transformation company, built on belief. We do not just help businesses to 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 to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.

• Work on advanced AI solutions using the latest generative AI technologies.
• Collaborate within a highly skilled, cross‑functional engineering environment.
• Support leading organisations as they evolve their data and AI capabilities.

The Role

As a Gen AI Senior Engineer, you will design, build, and deploy advanced generative AI solutions to address real‑world business challenges. You will work closely with product, engineering, and data teams to integrate AI capabilities into scalable applications, while ensuring solutions are production‑ready, efficient, and aligned with responsible AI practices.

Key responsibilities

• Designing and implementing generative AI models using modern architectures such as large language models, diffusion models, and generative frameworks.
• Fine‑tuning and adapting models for domain‑specific use cases and business requirements.
• Building end‑to‑end pipelines for data preparation, model training, evaluation, and deployment.
• Collaborating with product and engineering teams to embed AI‑driven features into applications.
• Monitoring and optimising model performance, scalability, and reliability.
• Applying responsible AI practices, including bias mitigation, explainability, and safety measures.
• Staying up to date with advancements in generative AI and applying relevant innovations to ongoing work.

Your Profile

Essential skills/knowledge/experience

• Proficiency in Python and familiarity with machine learning frameworks such as PyTorch, TensorFlow, or Hugging Face Transformers.
• Solid understanding of deep learning, natural language processing, and generative modelling techniques.
• Hands‑on work with training, fine‑tuning, and deploying large‑scale models.
• Familiarity with cloud platforms such as AWS, Azure, or GCP.
• Understanding of MLOps practices, including model lifecycle management and deployment pipelines.
• Ability to work with large datasets and build scalable data processing workflows.
• Clear communication skills, with the ability to explain technical concepts to non‑technical stakeholders.
• Comfortable working in Agile or collaborative delivery 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. Please email us at ***email_hidden*** if you would like to opt in.

If you are an applicant who needs any adjustments to the application process or interview, please contact us at ***email_hidden*** with the subject line: “Adjustment Request” or call TCS London Office 02031552100 / +44 204 520 2575 to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.

Next Steps

Application Process

1. Online application: You can apply directly through LinkedIn/ by uploading your CV. In case you wish to submit your application via another format like audio/video, please, contact - ***email_hidden***
2. Skill-Based discussion: This will be a level 1 interview with the project team, it can be via video or in-person. Details will be confirmed by your recruiter.
3. Managerial discussion: This discussion will focus on behavioural aspects and person-organisation fit.
4. 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 authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests! You can write to ***email_hidden*** to report any fraudulent activity.

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.