If you need support in completing the application or if you require a different format of this document, please get in touch with at UKI.recruitment@tcs.com or call TCS London Office number 02031552100 with the subject line: “Application Support Request”.
Job Type: Permanent
Location: Belfast (Hybrid)
Number of hours: 40 hours per week – full time
Are you looking for an exciting opportunity within Gen AI?
We have an exciting role for you – Gen AI Developer!
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.
* Build strong relationships with a diverse range of stakeholders.
* Gain access to endless learning opportunities.
* Work closely with the range of teams within the business to bring products to life.
The Role
As a Gen AI developer you are responsible to work with Large Language Models, prompt engineering, and AI‑driven architectures, turning emerging Gen AI capabilities into production‑ready solutions. You also need to integrate Gen AI into complex enterprise systems, APIs, and data platforms that support high‑volume, real‑time financial services. You will be required to continuously learn and innovate in a role where Gen AI evolves rapidly, and your ideas directly shape next‑generation platforms.
Key responsibilities
* Design, develop, and deploy Generative AI solutions using Large Language Models (LLMs).
* Perform prompt engineering and optimise prompts for enterprise‑scale use cases.
* Develop AI‑driven applications using Python and modern AI/ML frameworks.
* Integrate Gen AI capabilities with enterprise systems, APIs, and data platforms.
* Collaborate with business stakeholders and architects to translate requirements into AI solutions.
* Ensure responsible AI practices including security, governance, compliance, and ethical AI usage.
* Support model evaluation, tuning, monitoring, and performance optimisation.
* Document solution architecture, workflows, and operational guidelines.
Your Profile
Essential skills/knowledge/experience
* Hands‑on experience with Generative AI and Large Language Models (LLMs).
* Strong programming skills in Python.
* Experience with AI/ML frameworks such as TensorFlow, PyTorch, LangChain, or similar.
* Experience in prompt engineering and model integration.
* Exposure to cloud platforms (AWS, Azure, or GCP).
* API integration and microservices architecture knowledge.
* Experience working in Agile delivery environments.
* Experience with OpenAI, Azure OpenAI, or equivalent Gen AI platforms.
* Knowledge of MLOps or AI model lifecycle management.
* Experience working in BFSI or regulated enterprise environments.
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.
Next Steps
Due to a 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.
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